/* Generated by Cython 0.23.1 */

#define PY_SSIZE_T_CLEAN
#include "Python.h"
#ifndef Py_PYTHON_H
    #error Python headers needed to compile C extensions, please install development version of Python.
#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03020000)
    #error Cython requires Python 2.6+ or Python 3.2+.
#else
#define CYTHON_ABI "0_23_1"
#include <stddef.h>
#ifndef offsetof
#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
#endif
#if !defined(WIN32) && !defined(MS_WINDOWS)
  #ifndef __stdcall
    #define __stdcall
  #endif
  #ifndef __cdecl
    #define __cdecl
  #endif
  #ifndef __fastcall
    #define __fastcall
  #endif
#endif
#ifndef DL_IMPORT
  #define DL_IMPORT(t) t
#endif
#ifndef DL_EXPORT
  #define DL_EXPORT(t) t
#endif
#ifndef PY_LONG_LONG
  #define PY_LONG_LONG LONG_LONG
#endif
#ifndef Py_HUGE_VAL
  #define Py_HUGE_VAL HUGE_VAL
#endif
#ifdef PYPY_VERSION
#define CYTHON_COMPILING_IN_PYPY 1
#define CYTHON_COMPILING_IN_CPYTHON 0
#else
#define CYTHON_COMPILING_IN_PYPY 0
#define CYTHON_COMPILING_IN_CPYTHON 1
#endif
#if !defined(CYTHON_USE_PYLONG_INTERNALS) && CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x02070000
#define CYTHON_USE_PYLONG_INTERNALS 1
#endif
#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
#define Py_OptimizeFlag 0
#endif
#define __PYX_BUILD_PY_SSIZE_T "n"
#define CYTHON_FORMAT_SSIZE_T "z"
#if PY_MAJOR_VERSION < 3
  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
  #define __Pyx_DefaultClassType PyClass_Type
#else
  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
  #define __Pyx_DefaultClassType PyType_Type
#endif
#ifndef Py_TPFLAGS_CHECKTYPES
  #define Py_TPFLAGS_CHECKTYPES 0
#endif
#ifndef Py_TPFLAGS_HAVE_INDEX
  #define Py_TPFLAGS_HAVE_INDEX 0
#endif
#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
#endif
#ifndef Py_TPFLAGS_HAVE_FINALIZE
  #define Py_TPFLAGS_HAVE_FINALIZE 0
#endif
#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
  #define CYTHON_PEP393_ENABLED 1
  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
                                              0 : _PyUnicode_Ready((PyObject *)(op)))
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
#else
  #define CYTHON_PEP393_ENABLED 0
  #define __Pyx_PyUnicode_READY(op)       (0)
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
#endif
#if CYTHON_COMPILING_IN_PYPY
  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
#else
  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
  #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
#endif
#define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
#else
  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBaseString_Type            PyUnicode_Type
  #define PyStringObject               PyUnicodeObject
  #define PyString_Type                PyUnicode_Type
  #define PyString_Check               PyUnicode_Check
  #define PyString_CheckExact          PyUnicode_CheckExact
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
#else
  #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
#endif
#ifndef PySet_CheckExact
  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
#endif
#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
#if PY_MAJOR_VERSION >= 3
  #define PyIntObject                  PyLongObject
  #define PyInt_Type                   PyLong_Type
  #define PyInt_Check(op)              PyLong_Check(op)
  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
  #define PyInt_FromString             PyLong_FromString
  #define PyInt_FromUnicode            PyLong_FromUnicode
  #define PyInt_FromLong               PyLong_FromLong
  #define PyInt_FromSize_t             PyLong_FromSize_t
  #define PyInt_FromSsize_t            PyLong_FromSsize_t
  #define PyInt_AsLong                 PyLong_AsLong
  #define PyInt_AS_LONG                PyLong_AS_LONG
  #define PyInt_AsSsize_t              PyLong_AsSsize_t
  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
  #define PyNumber_Int                 PyNumber_Long
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBoolObject                 PyLongObject
#endif
#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY
  #ifndef PyUnicode_InternFromString
    #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
  #endif
#endif
#if PY_VERSION_HEX < 0x030200A4
  typedef long Py_hash_t;
  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
#else
  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
#else
  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
#endif
#if PY_VERSION_HEX >= 0x030500B1
#define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
#define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
#elif CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
typedef struct {
    unaryfunc am_await;
    unaryfunc am_aiter;
    unaryfunc am_anext;
} __Pyx_PyAsyncMethodsStruct;
#define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
#else
#define __Pyx_PyType_AsAsync(obj) NULL
#endif
#ifndef CYTHON_RESTRICT
  #if defined(__GNUC__)
    #define CYTHON_RESTRICT __restrict__
  #elif defined(_MSC_VER) && _MSC_VER >= 1400
    #define CYTHON_RESTRICT __restrict
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_RESTRICT restrict
  #else
    #define CYTHON_RESTRICT
  #endif
#endif
#define __Pyx_void_to_None(void_result) (void_result, Py_INCREF(Py_None), Py_None)

#ifndef CYTHON_INLINE
  #if defined(__GNUC__)
    #define CYTHON_INLINE __inline__
  #elif defined(_MSC_VER)
    #define CYTHON_INLINE __inline
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_INLINE inline
  #else
    #define CYTHON_INLINE
  #endif
#endif

#if defined(WIN32) || defined(MS_WINDOWS)
  #define _USE_MATH_DEFINES
#endif
#include <math.h>
#ifdef NAN
#define __PYX_NAN() ((float) NAN)
#else
static CYTHON_INLINE float __PYX_NAN() {
  float value;
  memset(&value, 0xFF, sizeof(value));
  return value;
}
#endif


#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
#else
  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
#endif

#ifndef __PYX_EXTERN_C
  #ifdef __cplusplus
    #define __PYX_EXTERN_C extern "C"
  #else
    #define __PYX_EXTERN_C extern
  #endif
#endif

#define __PYX_HAVE__yt__utilities__lib__geometry_utils
#define __PYX_HAVE_API__yt__utilities__lib__geometry_utils
#include "string.h"
#include "stdio.h"
#include "stdlib.h"
#include "numpy/arrayobject.h"
#include "numpy/ufuncobject.h"
#include "math.h"
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */

#ifdef PYREX_WITHOUT_ASSERTIONS
#define CYTHON_WITHOUT_ASSERTIONS
#endif

#ifndef CYTHON_UNUSED
# if defined(__GNUC__)
#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
#     define CYTHON_UNUSED __attribute__ ((__unused__))
#   else
#     define CYTHON_UNUSED
#   endif
# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
#   define CYTHON_UNUSED __attribute__ ((__unused__))
# else
#   define CYTHON_UNUSED
# endif
#endif
#ifndef CYTHON_NCP_UNUSED
# if CYTHON_COMPILING_IN_CPYTHON
#  define CYTHON_NCP_UNUSED
# else
#  define CYTHON_NCP_UNUSED CYTHON_UNUSED
# endif
#endif
typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;

#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
#define __PYX_DEFAULT_STRING_ENCODING ""
#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#define __Pyx_uchar_cast(c) ((unsigned char)c)
#define __Pyx_long_cast(x) ((long)x)
#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
    (sizeof(type) < sizeof(Py_ssize_t))  ||\
    (sizeof(type) > sizeof(Py_ssize_t) &&\
          likely(v < (type)PY_SSIZE_T_MAX ||\
                 v == (type)PY_SSIZE_T_MAX)  &&\
          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
                                v == (type)PY_SSIZE_T_MIN)))  ||\
    (sizeof(type) == sizeof(Py_ssize_t) &&\
          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
                               v == (type)PY_SSIZE_T_MAX)))  )
#if defined (__cplusplus) && __cplusplus >= 201103L
    #include <cstdlib>
    #define __Pyx_sst_abs(value) std::abs(value)
#elif SIZEOF_INT >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) abs(value)
#elif SIZEOF_LONG >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) labs(value)
#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define __Pyx_sst_abs(value) llabs(value)
#elif defined (_MSC_VER) && defined (_M_X64)
    #define __Pyx_sst_abs(value) _abs64(value)
#elif defined (__GNUC__)
    #define __Pyx_sst_abs(value) __builtin_llabs(value)
#else
    #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
#endif
static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
#define __Pyx_PyBytes_FromString        PyBytes_FromString
#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
#if PY_MAJOR_VERSION < 3
    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#else
    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
#endif
#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
#define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
#define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
#define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
#if PY_MAJOR_VERSION < 3
static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
{
    const Py_UNICODE *u_end = u;
    while (*u_end++) ;
    return (size_t)(u_end - u - 1);
}
#else
#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
#endif
#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
#define __Pyx_PyBool_FromLong(b) ((b) ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False))
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
#if CYTHON_COMPILING_IN_CPYTHON
#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
#else
#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
#endif
#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
static int __Pyx_sys_getdefaultencoding_not_ascii;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    PyObject* ascii_chars_u = NULL;
    PyObject* ascii_chars_b = NULL;
    const char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    if (strcmp(default_encoding_c, "ascii") == 0) {
        __Pyx_sys_getdefaultencoding_not_ascii = 0;
    } else {
        char ascii_chars[128];
        int c;
        for (c = 0; c < 128; c++) {
            ascii_chars[c] = c;
        }
        __Pyx_sys_getdefaultencoding_not_ascii = 1;
        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
        if (!ascii_chars_u) goto bad;
        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
        if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
            PyErr_Format(
                PyExc_ValueError,
                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
                default_encoding_c);
            goto bad;
        }
        Py_DECREF(ascii_chars_u);
        Py_DECREF(ascii_chars_b);
    }
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    Py_XDECREF(ascii_chars_u);
    Py_XDECREF(ascii_chars_b);
    return -1;
}
#endif
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
#else
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
static char* __PYX_DEFAULT_STRING_ENCODING;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    return -1;
}
#endif
#endif


/* Test for GCC > 2.95 */
#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
  #define likely(x)   __builtin_expect(!!(x), 1)
  #define unlikely(x) __builtin_expect(!!(x), 0)
#else /* !__GNUC__ or GCC < 2.95 */
  #define likely(x)   (x)
  #define unlikely(x) (x)
#endif /* __GNUC__ */

static PyObject *__pyx_m;
static PyObject *__pyx_d;
static PyObject *__pyx_b;
static PyObject *__pyx_empty_tuple;
static PyObject *__pyx_empty_bytes;
static int __pyx_lineno;
static int __pyx_clineno = 0;
static const char * __pyx_cfilenm= __FILE__;
static const char *__pyx_filename;

#if !defined(CYTHON_CCOMPLEX)
  #if defined(__cplusplus)
    #define CYTHON_CCOMPLEX 1
  #elif defined(_Complex_I)
    #define CYTHON_CCOMPLEX 1
  #else
    #define CYTHON_CCOMPLEX 0
  #endif
#endif
#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    #include <complex>
  #else
    #include <complex.h>
  #endif
#endif
#if CYTHON_CCOMPLEX && !defined(__cplusplus) && defined(__sun__) && defined(__GNUC__)
  #undef _Complex_I
  #define _Complex_I 1.0fj
#endif


static const char *__pyx_f[] = {
  "yt/utilities/lib/geometry_utils.pyx",
  "__init__.pxd",
  "type.pxd",
};
#define IS_UNSIGNED(type) (((type) -1) > 0)
struct __Pyx_StructField_;
#define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
typedef struct {
  const char* name;
  struct __Pyx_StructField_* fields;
  size_t size;
  size_t arraysize[8];
  int ndim;
  char typegroup;
  char is_unsigned;
  int flags;
} __Pyx_TypeInfo;
typedef struct __Pyx_StructField_ {
  __Pyx_TypeInfo* type;
  const char* name;
  size_t offset;
} __Pyx_StructField;
typedef struct {
  __Pyx_StructField* field;
  size_t parent_offset;
} __Pyx_BufFmt_StackElem;
typedef struct {
  __Pyx_StructField root;
  __Pyx_BufFmt_StackElem* head;
  size_t fmt_offset;
  size_t new_count, enc_count;
  size_t struct_alignment;
  int is_complex;
  char enc_type;
  char new_packmode;
  char enc_packmode;
  char is_valid_array;
} __Pyx_BufFmt_Context;


/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":725
 * # in Cython to enable them only on the right systems.
 * 
 * ctypedef npy_int8       int8_t             # <<<<<<<<<<<<<<
 * ctypedef npy_int16      int16_t
 * ctypedef npy_int32      int32_t
 */
typedef npy_int8 __pyx_t_5numpy_int8_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":726
 * 
 * ctypedef npy_int8       int8_t
 * ctypedef npy_int16      int16_t             # <<<<<<<<<<<<<<
 * ctypedef npy_int32      int32_t
 * ctypedef npy_int64      int64_t
 */
typedef npy_int16 __pyx_t_5numpy_int16_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":727
 * ctypedef npy_int8       int8_t
 * ctypedef npy_int16      int16_t
 * ctypedef npy_int32      int32_t             # <<<<<<<<<<<<<<
 * ctypedef npy_int64      int64_t
 * #ctypedef npy_int96      int96_t
 */
typedef npy_int32 __pyx_t_5numpy_int32_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":728
 * ctypedef npy_int16      int16_t
 * ctypedef npy_int32      int32_t
 * ctypedef npy_int64      int64_t             # <<<<<<<<<<<<<<
 * #ctypedef npy_int96      int96_t
 * #ctypedef npy_int128     int128_t
 */
typedef npy_int64 __pyx_t_5numpy_int64_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":732
 * #ctypedef npy_int128     int128_t
 * 
 * ctypedef npy_uint8      uint8_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uint16     uint16_t
 * ctypedef npy_uint32     uint32_t
 */
typedef npy_uint8 __pyx_t_5numpy_uint8_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":733
 * 
 * ctypedef npy_uint8      uint8_t
 * ctypedef npy_uint16     uint16_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uint32     uint32_t
 * ctypedef npy_uint64     uint64_t
 */
typedef npy_uint16 __pyx_t_5numpy_uint16_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":734
 * ctypedef npy_uint8      uint8_t
 * ctypedef npy_uint16     uint16_t
 * ctypedef npy_uint32     uint32_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uint64     uint64_t
 * #ctypedef npy_uint96     uint96_t
 */
typedef npy_uint32 __pyx_t_5numpy_uint32_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":735
 * ctypedef npy_uint16     uint16_t
 * ctypedef npy_uint32     uint32_t
 * ctypedef npy_uint64     uint64_t             # <<<<<<<<<<<<<<
 * #ctypedef npy_uint96     uint96_t
 * #ctypedef npy_uint128    uint128_t
 */
typedef npy_uint64 __pyx_t_5numpy_uint64_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":739
 * #ctypedef npy_uint128    uint128_t
 * 
 * ctypedef npy_float32    float32_t             # <<<<<<<<<<<<<<
 * ctypedef npy_float64    float64_t
 * #ctypedef npy_float80    float80_t
 */
typedef npy_float32 __pyx_t_5numpy_float32_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":740
 * 
 * ctypedef npy_float32    float32_t
 * ctypedef npy_float64    float64_t             # <<<<<<<<<<<<<<
 * #ctypedef npy_float80    float80_t
 * #ctypedef npy_float128   float128_t
 */
typedef npy_float64 __pyx_t_5numpy_float64_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":749
 * # The int types are mapped a bit surprising --
 * # numpy.int corresponds to 'l' and numpy.long to 'q'
 * ctypedef npy_long       int_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longlong   long_t
 * ctypedef npy_longlong   longlong_t
 */
typedef npy_long __pyx_t_5numpy_int_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":750
 * # numpy.int corresponds to 'l' and numpy.long to 'q'
 * ctypedef npy_long       int_t
 * ctypedef npy_longlong   long_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longlong   longlong_t
 * 
 */
typedef npy_longlong __pyx_t_5numpy_long_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":751
 * ctypedef npy_long       int_t
 * ctypedef npy_longlong   long_t
 * ctypedef npy_longlong   longlong_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_ulong      uint_t
 */
typedef npy_longlong __pyx_t_5numpy_longlong_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":753
 * ctypedef npy_longlong   longlong_t
 * 
 * ctypedef npy_ulong      uint_t             # <<<<<<<<<<<<<<
 * ctypedef npy_ulonglong  ulong_t
 * ctypedef npy_ulonglong  ulonglong_t
 */
typedef npy_ulong __pyx_t_5numpy_uint_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":754
 * 
 * ctypedef npy_ulong      uint_t
 * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 */
typedef npy_ulonglong __pyx_t_5numpy_ulong_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":755
 * ctypedef npy_ulong      uint_t
 * ctypedef npy_ulonglong  ulong_t
 * ctypedef npy_ulonglong  ulonglong_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_intp       intp_t
 */
typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":757
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uintp      uintp_t
 * 
 */
typedef npy_intp __pyx_t_5numpy_intp_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":758
 * 
 * ctypedef npy_intp       intp_t
 * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_double     float_t
 */
typedef npy_uintp __pyx_t_5numpy_uintp_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":760
 * ctypedef npy_uintp      uintp_t
 * 
 * ctypedef npy_double     float_t             # <<<<<<<<<<<<<<
 * ctypedef npy_double     double_t
 * ctypedef npy_longdouble longdouble_t
 */
typedef npy_double __pyx_t_5numpy_float_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":761
 * 
 * ctypedef npy_double     float_t
 * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longdouble longdouble_t
 * 
 */
typedef npy_double __pyx_t_5numpy_double_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":762
 * ctypedef npy_double     float_t
 * ctypedef npy_double     double_t
 * ctypedef npy_longdouble longdouble_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_cfloat      cfloat_t
 */
typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    typedef ::std::complex< float > __pyx_t_float_complex;
  #else
    typedef float _Complex __pyx_t_float_complex;
  #endif
#else
    typedef struct { float real, imag; } __pyx_t_float_complex;
#endif

#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    typedef ::std::complex< double > __pyx_t_double_complex;
  #else
    typedef double _Complex __pyx_t_double_complex;
  #endif
#else
    typedef struct { double real, imag; } __pyx_t_double_complex;
#endif


/*--- Type declarations ---*/

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":764
 * ctypedef npy_longdouble longdouble_t
 * 
 * ctypedef npy_cfloat      cfloat_t             # <<<<<<<<<<<<<<
 * ctypedef npy_cdouble     cdouble_t
 * ctypedef npy_clongdouble clongdouble_t
 */
typedef npy_cfloat __pyx_t_5numpy_cfloat_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":765
 * 
 * ctypedef npy_cfloat      cfloat_t
 * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
 * ctypedef npy_clongdouble clongdouble_t
 * 
 */
typedef npy_cdouble __pyx_t_5numpy_cdouble_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":766
 * ctypedef npy_cfloat      cfloat_t
 * ctypedef npy_cdouble     cdouble_t
 * ctypedef npy_clongdouble clongdouble_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_cdouble     complex_t
 */
typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":768
 * ctypedef npy_clongdouble clongdouble_t
 * 
 * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
 * 
 * cdef inline object PyArray_MultiIterNew1(a):
 */
typedef npy_cdouble __pyx_t_5numpy_complex_t;
struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet;

/* "yt/utilities/lib/geometry_utils.pyx":477
 *         return rvg
 * 
 * cdef struct PointSet             # <<<<<<<<<<<<<<
 * cdef struct PointSet:
 *     int count
 */
struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet {
  int count;
  __pyx_t_5numpy_float64_t points[3][3];
  struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet *next;
};

/* --- Runtime support code (head) --- */
#ifndef CYTHON_REFNANNY
  #define CYTHON_REFNANNY 0
#endif
#if CYTHON_REFNANNY
  typedef struct {
    void (*INCREF)(void*, PyObject*, int);
    void (*DECREF)(void*, PyObject*, int);
    void (*GOTREF)(void*, PyObject*, int);
    void (*GIVEREF)(void*, PyObject*, int);
    void* (*SetupContext)(const char*, int, const char*);
    void (*FinishContext)(void**);
  } __Pyx_RefNannyAPIStruct;
  static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname);
  #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL;
#ifdef WITH_THREAD
  #define __Pyx_RefNannySetupContext(name, acquire_gil)\
          if (acquire_gil) {\
              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
              PyGILState_Release(__pyx_gilstate_save);\
          } else {\
              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
          }
#else
  #define __Pyx_RefNannySetupContext(name, acquire_gil)\
          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
#endif
  #define __Pyx_RefNannyFinishContext()\
          __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
#else
  #define __Pyx_RefNannyDeclarations
  #define __Pyx_RefNannySetupContext(name, acquire_gil)
  #define __Pyx_RefNannyFinishContext()
  #define __Pyx_INCREF(r) Py_INCREF(r)
  #define __Pyx_DECREF(r) Py_DECREF(r)
  #define __Pyx_GOTREF(r)
  #define __Pyx_GIVEREF(r)
  #define __Pyx_XINCREF(r) Py_XINCREF(r)
  #define __Pyx_XDECREF(r) Py_XDECREF(r)
  #define __Pyx_XGOTREF(r)
  #define __Pyx_XGIVEREF(r)
#endif
#define __Pyx_XDECREF_SET(r, v) do {\
        PyObject *tmp = (PyObject *) r;\
        r = v; __Pyx_XDECREF(tmp);\
    } while (0)
#define __Pyx_DECREF_SET(r, v) do {\
        PyObject *tmp = (PyObject *) r;\
        r = v; __Pyx_DECREF(tmp);\
    } while (0)
#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)

#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
    PyTypeObject* tp = Py_TYPE(obj);
    if (likely(tp->tp_getattro))
        return tp->tp_getattro(obj, attr_name);
#if PY_MAJOR_VERSION < 3
    if (likely(tp->tp_getattr))
        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
#endif
    return PyObject_GetAttr(obj, attr_name);
}
#else
#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
#endif

static PyObject *__Pyx_GetBuiltinName(PyObject *name);

static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);

static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);

static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
    const char* function_name);

static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
    const char *name, int exact);

static CYTHON_INLINE int  __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj,
    __Pyx_TypeInfo* dtype, int flags, int nd, int cast, __Pyx_BufFmt_StackElem* stack);
static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info);

static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name);

#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
#else
#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
#endif

static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);

#define __Pyx_BufPtrStrided2d(type, buf, i0, s0, i1, s1) (type)((char*)buf + i0 * s0 + i1 * s1)
#define __Pyx_BufPtrStrided1d(type, buf, i0, s0) (type)((char*)buf + i0 * s0)
#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
    __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\
    (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\
               __Pyx_GetItemInt_Generic(o, to_py_func(i))))
#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
    __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
    (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                              int wraparound, int boundscheck);
#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
    __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
    (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                              int wraparound, int boundscheck);
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
                                                     int is_list, int wraparound, int boundscheck);

static void __Pyx_RaiseBufferFallbackError(void);

#define __Pyx_BufPtrStrided3d(type, buf, i0, s0, i1, s1, i2, s2) (type)((char*)buf + i0 * s0 + i1 * s1 + i2 * s2)
static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb);
static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb);

static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);

#define __Pyx_BufPtrStrided4d(type, buf, i0, s0, i1, s1, i2, s2, i3, s3) (type)((char*)buf + i0 * s0 + i1 * s1 + i2 * s2 + i3 * s3)
static void __Pyx_WriteUnraisable(const char *name, int clineno,
                                  int lineno, const char *filename,
                                  int full_traceback, int nogil);

#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
#endif

static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);

#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
#else
#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL)
#endif

static void __Pyx_RaiseBufferIndexError(int axis);

#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
    PyObject *value;
    value = PyDict_GetItemWithError(d, key);
    if (unlikely(!value)) {
        if (!PyErr_Occurred()) {
            PyObject* args = PyTuple_Pack(1, key);
            if (likely(args))
                PyErr_SetObject(PyExc_KeyError, args);
            Py_XDECREF(args);
        }
        return NULL;
    }
    Py_INCREF(value);
    return value;
}
#else
    #define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key)
#endif

static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);

static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);

static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);

static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);

static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);

typedef struct {
    int code_line;
    PyCodeObject* code_object;
} __Pyx_CodeObjectCacheEntry;
struct __Pyx_CodeObjectCache {
    int count;
    int max_count;
    __Pyx_CodeObjectCacheEntry* entries;
};
static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
static PyCodeObject *__pyx_find_code_object(int code_line);
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);

static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename);

typedef struct {
  Py_ssize_t shape, strides, suboffsets;
} __Pyx_Buf_DimInfo;
typedef struct {
  size_t refcount;
  Py_buffer pybuffer;
} __Pyx_Buffer;
typedef struct {
  __Pyx_Buffer *rcbuffer;
  char *data;
  __Pyx_Buf_DimInfo diminfo[8];
} __Pyx_LocalBuf_ND;

#if PY_MAJOR_VERSION < 3
    static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags);
    static void __Pyx_ReleaseBuffer(Py_buffer *view);
#else
    #define __Pyx_GetBuffer PyObject_GetBuffer
    #define __Pyx_ReleaseBuffer PyBuffer_Release
#endif


static Py_ssize_t __Pyx_zeros[] = {0, 0, 0, 0, 0, 0, 0, 0};
static Py_ssize_t __Pyx_minusones[] = {-1, -1, -1, -1, -1, -1, -1, -1};

static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_Py_intptr_t(Py_intptr_t value);

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_npy_int64(npy_int64 value);

static CYTHON_INLINE __pyx_t_5numpy_int64_t __Pyx_pow___pyx_t_5numpy_int64_t(__pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t);

static CYTHON_INLINE npy_int64 __Pyx_PyInt_As_npy_int64(PyObject *);

static int __Pyx_Print(PyObject*, PyObject *, int);
#if CYTHON_COMPILING_IN_PYPY || PY_MAJOR_VERSION >= 3
static PyObject* __pyx_print = 0;
static PyObject* __pyx_print_kwargs = 0;
#endif

static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);

#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    #define __Pyx_CREAL(z) ((z).real())
    #define __Pyx_CIMAG(z) ((z).imag())
  #else
    #define __Pyx_CREAL(z) (__real__(z))
    #define __Pyx_CIMAG(z) (__imag__(z))
  #endif
#else
    #define __Pyx_CREAL(z) ((z).real)
    #define __Pyx_CIMAG(z) ((z).imag)
#endif
#if (defined(_WIN32) || defined(__clang__)) && defined(__cplusplus) && CYTHON_CCOMPLEX
    #define __Pyx_SET_CREAL(z,x) ((z).real(x))
    #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
#else
    #define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x)
    #define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y)
#endif

static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);

#if CYTHON_CCOMPLEX
    #define __Pyx_c_eqf(a, b)   ((a)==(b))
    #define __Pyx_c_sumf(a, b)  ((a)+(b))
    #define __Pyx_c_difff(a, b) ((a)-(b))
    #define __Pyx_c_prodf(a, b) ((a)*(b))
    #define __Pyx_c_quotf(a, b) ((a)/(b))
    #define __Pyx_c_negf(a)     (-(a))
  #ifdef __cplusplus
    #define __Pyx_c_is_zerof(z) ((z)==(float)0)
    #define __Pyx_c_conjf(z)    (::std::conj(z))
    #if 1
        #define __Pyx_c_absf(z)     (::std::abs(z))
        #define __Pyx_c_powf(a, b)  (::std::pow(a, b))
    #endif
  #else
    #define __Pyx_c_is_zerof(z) ((z)==0)
    #define __Pyx_c_conjf(z)    (conjf(z))
    #if 1
        #define __Pyx_c_absf(z)     (cabsf(z))
        #define __Pyx_c_powf(a, b)  (cpowf(a, b))
    #endif
 #endif
#else
    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex, __pyx_t_float_complex);
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex, __pyx_t_float_complex);
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex, __pyx_t_float_complex);
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex, __pyx_t_float_complex);
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex, __pyx_t_float_complex);
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex);
    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex);
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex);
    #if 1
        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex);
        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex, __pyx_t_float_complex);
    #endif
#endif

static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);

#if CYTHON_CCOMPLEX
    #define __Pyx_c_eq(a, b)   ((a)==(b))
    #define __Pyx_c_sum(a, b)  ((a)+(b))
    #define __Pyx_c_diff(a, b) ((a)-(b))
    #define __Pyx_c_prod(a, b) ((a)*(b))
    #define __Pyx_c_quot(a, b) ((a)/(b))
    #define __Pyx_c_neg(a)     (-(a))
  #ifdef __cplusplus
    #define __Pyx_c_is_zero(z) ((z)==(double)0)
    #define __Pyx_c_conj(z)    (::std::conj(z))
    #if 1
        #define __Pyx_c_abs(z)     (::std::abs(z))
        #define __Pyx_c_pow(a, b)  (::std::pow(a, b))
    #endif
  #else
    #define __Pyx_c_is_zero(z) ((z)==0)
    #define __Pyx_c_conj(z)    (conj(z))
    #if 1
        #define __Pyx_c_abs(z)     (cabs(z))
        #define __Pyx_c_pow(a, b)  (cpow(a, b))
    #endif
 #endif
#else
    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex, __pyx_t_double_complex);
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex, __pyx_t_double_complex);
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex, __pyx_t_double_complex);
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex, __pyx_t_double_complex);
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex, __pyx_t_double_complex);
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex);
    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex);
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex);
    #if 1
        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex);
        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex, __pyx_t_double_complex);
    #endif
#endif

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum__NPY_TYPES(enum NPY_TYPES value);

static int __Pyx_check_binary_version(void);

#if !defined(__Pyx_PyIdentifier_FromString)
#if PY_MAJOR_VERSION < 3
  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
#else
  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
#endif
#endif

static PyObject *__Pyx_ImportModule(const char *name);

static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);

static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);


/* Module declarations from 'cpython.buffer' */

/* Module declarations from 'libc.string' */

/* Module declarations from 'libc.stdio' */

/* Module declarations from '__builtin__' */

/* Module declarations from 'cpython.type' */
static PyTypeObject *__pyx_ptype_7cpython_4type_type = 0;

/* Module declarations from 'cpython' */

/* Module declarations from 'cpython.object' */

/* Module declarations from 'cpython.ref' */

/* Module declarations from 'libc.stdlib' */

/* Module declarations from 'numpy' */

/* Module declarations from 'numpy' */
static PyTypeObject *__pyx_ptype_5numpy_dtype = 0;
static PyTypeObject *__pyx_ptype_5numpy_flatiter = 0;
static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/

/* Module declarations from 'cython' */

/* Module declarations from 'yt.utilities.lib.fp_utils' */
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_2yt_9utilities_3lib_8fp_utils_fmax(__pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_2yt_9utilities_3lib_8fp_utils_fmin(__pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t); /*proto*/
static CYTHON_INLINE int __pyx_f_2yt_9utilities_3lib_8fp_utils_i64clip(__pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_2yt_9utilities_3lib_8fp_utils_fclip(__pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t); /*proto*/

/* Module declarations from 'libc.math' */

/* Module declarations from 'yt.utilities.lib.geometry_utils' */
static __pyx_t_5numpy_uint64_t __pyx_v_2yt_9utilities_3lib_14geometry_utils__const20;
static __pyx_t_5numpy_uint64_t __pyx_v_2yt_9utilities_3lib_14geometry_utils__const10;
static __pyx_t_5numpy_uint64_t __pyx_v_2yt_9utilities_3lib_14geometry_utils__const04;
static __pyx_t_5numpy_uint64_t __pyx_v_2yt_9utilities_3lib_14geometry_utils__const2a;
static __pyx_t_5numpy_uint64_t __pyx_v_2yt_9utilities_3lib_14geometry_utils__const2b;
static __pyx_t_5numpy_uint64_t __pyx_v_2yt_9utilities_3lib_14geometry_utils__const2c;
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_graycode(__pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_igraycode(__pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_direction(__pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_tsb(__pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_bitrange(__pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_rrot(__pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_lrot(__pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_transform(__pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_entry(__pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_setbit(__pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t); /*proto*/
static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_point_to_hilbert(int, __pyx_t_5numpy_int64_t *); /*proto*/
static void __pyx_f_2yt_9utilities_3lib_14geometry_utils_hilbert_to_point(int, __pyx_t_5numpy_int64_t, __pyx_t_5numpy_int64_t *); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_uint64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits(__pyx_t_5numpy_uint64_t); /*proto*/
static CYTHON_INLINE void __pyx_f_2yt_9utilities_3lib_14geometry_utils_get_intersection(__pyx_t_5numpy_float64_t *, __pyx_t_5numpy_float64_t *, int, __pyx_t_5numpy_float64_t, struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet *); /*proto*/
static PY_LONG_LONG __pyx_fuse_0__pyx_f_2yt_9utilities_3lib_14geometry_utils_position_to_morton(PyArrayObject *, PyArrayObject *, PyArrayObject *, double *, double *, double *, PyArrayObject *, int); /*proto*/
static PY_LONG_LONG __pyx_fuse_1__pyx_f_2yt_9utilities_3lib_14geometry_utils_position_to_morton(PyArrayObject *, PyArrayObject *, PyArrayObject *, double *, double *, double *, PyArrayObject *, int); /*proto*/
static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t = { "float64_t", NULL, sizeof(__pyx_t_5numpy_float64_t), { 0 }, 0, 'R', 0, 0 };
static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5numpy_int32_t = { "int32_t", NULL, sizeof(__pyx_t_5numpy_int32_t), { 0 }, 0, IS_UNSIGNED(__pyx_t_5numpy_int32_t) ? 'U' : 'I', IS_UNSIGNED(__pyx_t_5numpy_int32_t), 0 };
static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5numpy_int64_t = { "int64_t", NULL, sizeof(__pyx_t_5numpy_int64_t), { 0 }, 0, IS_UNSIGNED(__pyx_t_5numpy_int64_t) ? 'U' : 'I', IS_UNSIGNED(__pyx_t_5numpy_int64_t), 0 };
static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t = { "uint64_t", NULL, sizeof(__pyx_t_5numpy_uint64_t), { 0 }, 0, IS_UNSIGNED(__pyx_t_5numpy_uint64_t) ? 'U' : 'I', IS_UNSIGNED(__pyx_t_5numpy_uint64_t), 0 };
static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5numpy_float32_t = { "float32_t", NULL, sizeof(__pyx_t_5numpy_float32_t), { 0 }, 0, 'R', 0, 0 };
static __Pyx_TypeInfo __Pyx_TypeInfo_unsigned_PY_LONG_LONG = { "unsigned long long", NULL, sizeof(unsigned PY_LONG_LONG), { 0 }, 0, IS_UNSIGNED(unsigned PY_LONG_LONG) ? 'U' : 'I', IS_UNSIGNED(unsigned PY_LONG_LONG), 0 };
#define __Pyx_MODULE_NAME "yt.utilities.lib.geometry_utils"
int __pyx_module_is_main_yt__utilities__lib__geometry_utils = 0;

/* Implementation of 'yt.utilities.lib.geometry_utils' */
static PyObject *__pyx_builtin_range;
static PyObject *__pyx_builtin_KeyError;
static PyObject *__pyx_builtin_NotImplementedError;
static PyObject *__pyx_builtin_ValueError;
static PyObject *__pyx_builtin_RuntimeError;
static char __pyx_k_B[] = "B";
static char __pyx_k_H[] = "H";
static char __pyx_k_I[] = "I";
static char __pyx_k_L[] = "L";
static char __pyx_k_O[] = "O";
static char __pyx_k_Q[] = "Q";
static char __pyx_k_b[] = "b";
static char __pyx_k_c[] = "c";
static char __pyx_k_d[] = "d";
static char __pyx_k_f[] = "f";
static char __pyx_k_g[] = "g";
static char __pyx_k_h[] = "h";
static char __pyx_k_i[] = "i";
static char __pyx_k_j[] = "j";
static char __pyx_k_k[] = "k";
static char __pyx_k_l[] = "l";
static char __pyx_k_p[] = "p";
static char __pyx_k_q[] = "q";
static char __pyx_k_x[] = "x";
static char __pyx_k_y[] = "y";
static char __pyx_k_z[] = "z";
static char __pyx_k_Zd[] = "Zd";
static char __pyx_k_Zf[] = "Zf";
static char __pyx_k_Zg[] = "Zg";
static char __pyx_k_ax[] = "ax";
static char __pyx_k_bv[] = "bv";
static char __pyx_k_fi[] = "fi";
static char __pyx_k_gi[] = "gi";
static char __pyx_k_i0[] = "i0";
static char __pyx_k_i1[] = "i1";
static char __pyx_k_i2[] = "i2";
static char __pyx_k_mi[] = "mi";
static char __pyx_k_nf[] = "nf";
static char __pyx_k_np[] = "np";
static char __pyx_k_p0[] = "p0";
static char __pyx_k_p1[] = "p1";
static char __pyx_k_p2[] = "p2";
static char __pyx_k_p3[] = "p3";
static char __pyx_k_rf[] = "rf";
static char __pyx_k_rg[] = "rg";
static char __pyx_k_rv[] = "rv";
static char __pyx_k_xf[] = "xf";
static char __pyx_k_xg[] = "xg";
static char __pyx_k_yf[] = "yf";
static char __pyx_k_yg[] = "yg";
static char __pyx_k_zf[] = "zf";
static char __pyx_k_zg[] = "zg";
static char __pyx_k_DLE[] = "DLE";
static char __pyx_k_DRE[] = "DRE";
static char __pyx_k_dds[] = "dds";
static char __pyx_k_end[] = "end";
static char __pyx_k_ind[] = "ind";
static char __pyx_k_mas[] = "mas";
static char __pyx_k_max[] = "max";
static char __pyx_k_min[] = "min";
static char __pyx_k_mis[] = "mis";
static char __pyx_k_rvf[] = "rvf";
static char __pyx_k_rvg[] = "rvg";
static char __pyx_k_vxf[] = "vxf";
static char __pyx_k_vxg[] = "vxg";
static char __pyx_k_vyf[] = "vyf";
static char __pyx_k_vyg[] = "vyg";
static char __pyx_k_vzf[] = "vzf";
static char __pyx_k_vzg[] = "vzg";
static char __pyx_k_data[] = "data";
static char __pyx_k_file[] = "file";
static char __pyx_k_grid[] = "grid";
static char __pyx_k_last[] = "last";
static char __pyx_k_main[] = "__main__";
static char __pyx_k_ntri[] = "ntri";
static char __pyx_k_test[] = "__test__";
static char __pyx_k_coord[] = "coord";
static char __pyx_k_count[] = "count";
static char __pyx_k_dtype[] = "dtype";
static char __pyx_k_empty[] = "empty";
static char __pyx_k_field[] = "field";
static char __pyx_k_first[] = "first";
static char __pyx_k_int64[] = "int64";
static char __pyx_k_numpy[] = "numpy";
static char __pyx_k_order[] = "order";
static char __pyx_k_point[] = "point";
static char __pyx_k_pos_x[] = "pos_x";
static char __pyx_k_pos_y[] = "pos_y";
static char __pyx_k_pos_z[] = "pos_z";
static char __pyx_k_print[] = "print";
static char __pyx_k_range[] = "range";
static char __pyx_k_shape[] = "shape";
static char __pyx_k_zeros[] = "zeros";
static char __pyx_k_astype[] = "astype";
static char __pyx_k_center[] = "center";
static char __pyx_k_filter[] = "filter";
static char __pyx_k_import[] = "__import__";
static char __pyx_k_left_x[] = "left_x";
static char __pyx_k_left_y[] = "left_y";
static char __pyx_k_left_z[] = "left_z";
static char __pyx_k_nlines[] = "nlines";
static char __pyx_k_points[] = "points";
static char __pyx_k_uint64[] = "uint64";
static char __pyx_k_float32[] = "float32";
static char __pyx_k_float64[] = "float64";
static char __pyx_k_indices[] = "indices";
static char __pyx_k_KeyError[] = "KeyError";
static char __pyx_k_positions[] = "positions";
static char __pyx_k_triangles[] = "triangles";
static char __pyx_k_ValueError[] = "ValueError";
static char __pyx_k_dimensions[] = "dimensions";
static char __pyx_k_left_edges[] = "left_edges";
static char __pyx_k_left_index[] = "left_index";
static char __pyx_k_velocity_x[] = "velocity_x";
static char __pyx_k_velocity_y[] = "velocity_y";
static char __pyx_k_velocity_z[] = "velocity_z";
static char __pyx_k_field_names[] = "field_names";
static char __pyx_k_filter_bbox[] = "filter_bbox";
static char __pyx_k_obtain_rvec[] = "obtain_rvec";
static char __pyx_k_right_edges[] = "right_edges";
static char __pyx_k_RuntimeError[] = "RuntimeError";
static char __pyx_k_grid_objects[] = "grid_objects";
static char __pyx_k_bulk_velocity[] = "bulk_velocity";
static char __pyx_k_line_segments[] = "line_segments";
static char __pyx_k_obtain_rv_vec[] = "obtain_rv_vec";
static char __pyx_k_compute_morton[] = "compute_morton";
static char __pyx_k_morton_indices[] = "morton_indices";
static char __pyx_k_hilbert_indices[] = "hilbert_indices";
static char __pyx_k_YTDomainOverflow[] = "YTDomainOverflow";
static char __pyx_k_domain_left_edge[] = "domain_left_edge";
static char __pyx_k_domain_right_edge[] = "domain_right_edge";
static char __pyx_k_get_hilbert_points[] = "get_hilbert_points";
static char __pyx_k_get_morton_indices[] = "get_morton_indices";
static char __pyx_k_NotImplementedError[] = "NotImplementedError";
static char __pyx_k_get_field_parameter[] = "get_field_parameter";
static char __pyx_k_get_hilbert_indices[] = "get_hilbert_indices";
static char __pyx_k_find_values_at_point[] = "find_values_at_point";
static char __pyx_k_yt_utilities_exceptions[] = "yt.utilities.exceptions";
static char __pyx_k_Could_not_identify_dtype[] = "Could not identify dtype.";
static char __pyx_k_triangle_plane_intersect[] = "triangle_plane_intersect";
static char __pyx_k_get_morton_indices_unravel[] = "get_morton_indices_unravel";
static char __pyx_k_ndarray_is_not_C_contiguous[] = "ndarray is not C contiguous";
static char __pyx_k_Users_goldbaum_Documents_yt_hg[] = "/Users/goldbaum/Documents/yt-hg/yt/utilities/lib/geometry_utils.pyx";
static char __pyx_k_Simple_integrators_for_the_radi[] = "\nSimple integrators for the radiative transfer equation\n\n\n\n";
static char __pyx_k_unknown_dtype_code_in_numpy_pxd[] = "unknown dtype code in numpy.pxd (%d)";
static char __pyx_k_yt_utilities_lib_geometry_utils[] = "yt.utilities.lib.geometry_utils";
static char __pyx_k_Format_string_allocated_too_shor[] = "Format string allocated too short, see comment in numpy.pxd";
static char __pyx_k_Non_native_byte_order_not_suppor[] = "Non-native byte order not supported";
static char __pyx_k_ndarray_is_not_Fortran_contiguou[] = "ndarray is not Fortran contiguous";
static char __pyx_k_Format_string_allocated_too_shor_2[] = "Format string allocated too short.";
static PyObject *__pyx_kp_s_Could_not_identify_dtype;
static PyObject *__pyx_n_s_DLE;
static PyObject *__pyx_n_s_DRE;
static PyObject *__pyx_kp_u_Format_string_allocated_too_shor;
static PyObject *__pyx_kp_u_Format_string_allocated_too_shor_2;
static PyObject *__pyx_n_s_KeyError;
static PyObject *__pyx_kp_u_Non_native_byte_order_not_suppor;
static PyObject *__pyx_n_s_NotImplementedError;
static PyObject *__pyx_n_s_RuntimeError;
static PyObject *__pyx_kp_s_Users_goldbaum_Documents_yt_hg;
static PyObject *__pyx_n_s_ValueError;
static PyObject *__pyx_n_s_YTDomainOverflow;
static PyObject *__pyx_n_s_astype;
static PyObject *__pyx_n_s_ax;
static PyObject *__pyx_n_s_bulk_velocity;
static PyObject *__pyx_n_s_bv;
static PyObject *__pyx_n_s_c;
static PyObject *__pyx_n_s_center;
static PyObject *__pyx_n_s_compute_morton;
static PyObject *__pyx_n_s_coord;
static PyObject *__pyx_n_s_count;
static PyObject *__pyx_n_s_data;
static PyObject *__pyx_n_s_dds;
static PyObject *__pyx_n_s_dimensions;
static PyObject *__pyx_n_s_domain_left_edge;
static PyObject *__pyx_n_s_domain_right_edge;
static PyObject *__pyx_n_s_dtype;
static PyObject *__pyx_n_s_empty;
static PyObject *__pyx_n_s_end;
static PyObject *__pyx_n_s_fi;
static PyObject *__pyx_n_s_field;
static PyObject *__pyx_n_s_field_names;
static PyObject *__pyx_n_s_file;
static PyObject *__pyx_n_s_filter;
static PyObject *__pyx_n_s_filter_bbox;
static PyObject *__pyx_n_s_find_values_at_point;
static PyObject *__pyx_n_s_first;
static PyObject *__pyx_n_s_float32;
static PyObject *__pyx_n_s_float64;
static PyObject *__pyx_n_s_get_field_parameter;
static PyObject *__pyx_n_s_get_hilbert_indices;
static PyObject *__pyx_n_s_get_hilbert_points;
static PyObject *__pyx_n_s_get_morton_indices;
static PyObject *__pyx_n_s_get_morton_indices_unravel;
static PyObject *__pyx_n_s_gi;
static PyObject *__pyx_n_s_grid;
static PyObject *__pyx_n_s_grid_objects;
static PyObject *__pyx_n_s_hilbert_indices;
static PyObject *__pyx_n_s_i;
static PyObject *__pyx_n_s_i0;
static PyObject *__pyx_n_s_i1;
static PyObject *__pyx_n_s_i2;
static PyObject *__pyx_n_s_import;
static PyObject *__pyx_n_s_ind;
static PyObject *__pyx_n_s_indices;
static PyObject *__pyx_n_s_int64;
static PyObject *__pyx_n_s_j;
static PyObject *__pyx_n_s_k;
static PyObject *__pyx_n_s_last;
static PyObject *__pyx_n_s_left_edges;
static PyObject *__pyx_n_s_left_index;
static PyObject *__pyx_n_s_left_x;
static PyObject *__pyx_n_s_left_y;
static PyObject *__pyx_n_s_left_z;
static PyObject *__pyx_n_s_line_segments;
static PyObject *__pyx_n_s_main;
static PyObject *__pyx_n_s_mas;
static PyObject *__pyx_n_s_max;
static PyObject *__pyx_n_s_mi;
static PyObject *__pyx_n_s_min;
static PyObject *__pyx_n_s_mis;
static PyObject *__pyx_n_s_morton_indices;
static PyObject *__pyx_kp_u_ndarray_is_not_C_contiguous;
static PyObject *__pyx_kp_u_ndarray_is_not_Fortran_contiguou;
static PyObject *__pyx_n_s_nf;
static PyObject *__pyx_n_s_nlines;
static PyObject *__pyx_n_s_np;
static PyObject *__pyx_n_s_ntri;
static PyObject *__pyx_n_s_numpy;
static PyObject *__pyx_n_s_obtain_rv_vec;
static PyObject *__pyx_n_s_obtain_rvec;
static PyObject *__pyx_n_s_order;
static PyObject *__pyx_n_s_p;
static PyObject *__pyx_n_s_p0;
static PyObject *__pyx_n_s_p1;
static PyObject *__pyx_n_s_p2;
static PyObject *__pyx_n_s_p3;
static PyObject *__pyx_n_s_point;
static PyObject *__pyx_n_s_points;
static PyObject *__pyx_n_s_pos_x;
static PyObject *__pyx_n_s_pos_y;
static PyObject *__pyx_n_s_pos_z;
static PyObject *__pyx_n_s_positions;
static PyObject *__pyx_n_s_print;
static PyObject *__pyx_n_s_range;
static PyObject *__pyx_n_s_rf;
static PyObject *__pyx_n_s_rg;
static PyObject *__pyx_n_s_right_edges;
static PyObject *__pyx_n_s_rv;
static PyObject *__pyx_n_s_rvf;
static PyObject *__pyx_n_s_rvg;
static PyObject *__pyx_n_s_shape;
static PyObject *__pyx_n_s_test;
static PyObject *__pyx_n_s_triangle_plane_intersect;
static PyObject *__pyx_n_s_triangles;
static PyObject *__pyx_n_s_uint64;
static PyObject *__pyx_kp_u_unknown_dtype_code_in_numpy_pxd;
static PyObject *__pyx_n_s_velocity_x;
static PyObject *__pyx_n_s_velocity_y;
static PyObject *__pyx_n_s_velocity_z;
static PyObject *__pyx_n_s_vxf;
static PyObject *__pyx_n_s_vxg;
static PyObject *__pyx_n_s_vyf;
static PyObject *__pyx_n_s_vyg;
static PyObject *__pyx_n_s_vzf;
static PyObject *__pyx_n_s_vzg;
static PyObject *__pyx_n_s_x;
static PyObject *__pyx_n_s_xf;
static PyObject *__pyx_n_s_xg;
static PyObject *__pyx_n_s_y;
static PyObject *__pyx_n_s_yf;
static PyObject *__pyx_n_s_yg;
static PyObject *__pyx_n_s_yt_utilities_exceptions;
static PyObject *__pyx_n_s_yt_utilities_lib_geometry_utils;
static PyObject *__pyx_n_s_z;
static PyObject *__pyx_n_s_zeros;
static PyObject *__pyx_n_s_zf;
static PyObject *__pyx_n_s_zg;
static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_find_values_at_point(CYTHON_UNUSED PyObject *__pyx_self, PyArrayObject *__pyx_v_point, PyArrayObject *__pyx_v_left_edges, PyArrayObject *__pyx_v_right_edges, PyArrayObject *__pyx_v_dimensions, PyObject *__pyx_v_field_names, PyObject *__pyx_v_grid_objects); /* proto */
static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_2obtain_rvec(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_data); /* proto */
static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_4get_hilbert_indices(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_order, PyArrayObject *__pyx_v_left_index); /* proto */
static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_6get_hilbert_points(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_order, PyArrayObject *__pyx_v_indices); /* proto */
static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_8get_morton_indices(CYTHON_UNUSED PyObject *__pyx_self, PyArrayObject *__pyx_v_left_index); /* proto */
static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_10get_morton_indices_unravel(CYTHON_UNUSED PyObject *__pyx_self, PyArrayObject *__pyx_v_left_x, PyArrayObject *__pyx_v_left_y, PyArrayObject *__pyx_v_left_z); /* proto */
static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_12compute_morton(CYTHON_UNUSED PyObject *__pyx_self, PyArrayObject *__pyx_v_pos_x, PyArrayObject *__pyx_v_pos_y, PyArrayObject *__pyx_v_pos_z, PyObject *__pyx_v_domain_left_edge, PyObject *__pyx_v_domain_right_edge, PyObject *__pyx_v_filter_bbox); /* proto */
static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_14obtain_rv_vec(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_data); /* proto */
static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_16triangle_plane_intersect(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_ax, __pyx_t_5numpy_float64_t __pyx_v_coord, PyArrayObject *__pyx_v_triangles); /* proto */
static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info); /* proto */
static PyObject *__pyx_int_2;
static PyObject *__pyx_int_3;
static PyObject *__pyx_tuple_;
static PyObject *__pyx_tuple__2;
static PyObject *__pyx_tuple__3;
static PyObject *__pyx_tuple__4;
static PyObject *__pyx_tuple__5;
static PyObject *__pyx_tuple__6;
static PyObject *__pyx_tuple__7;
static PyObject *__pyx_tuple__8;
static PyObject *__pyx_tuple__9;
static PyObject *__pyx_tuple__10;
static PyObject *__pyx_tuple__11;
static PyObject *__pyx_tuple__12;
static PyObject *__pyx_tuple__13;
static PyObject *__pyx_tuple__14;
static PyObject *__pyx_tuple__15;
static PyObject *__pyx_tuple__16;
static PyObject *__pyx_tuple__18;
static PyObject *__pyx_tuple__20;
static PyObject *__pyx_tuple__22;
static PyObject *__pyx_tuple__24;
static PyObject *__pyx_tuple__26;
static PyObject *__pyx_tuple__28;
static PyObject *__pyx_tuple__30;
static PyObject *__pyx_tuple__32;
static PyObject *__pyx_codeobj__17;
static PyObject *__pyx_codeobj__19;
static PyObject *__pyx_codeobj__21;
static PyObject *__pyx_codeobj__23;
static PyObject *__pyx_codeobj__25;
static PyObject *__pyx_codeobj__27;
static PyObject *__pyx_codeobj__29;
static PyObject *__pyx_codeobj__31;
static PyObject *__pyx_codeobj__33;

/* "yt/utilities/lib/geometry_utils.pyx":40
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def find_values_at_point(np.ndarray[np.float64_t, ndim=1] point,             # <<<<<<<<<<<<<<
 *                          np.ndarray[np.float64_t, ndim=2] left_edges,
 *                          np.ndarray[np.float64_t, ndim=2] right_edges,
 */

/* Python wrapper */
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_1find_values_at_point(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_2yt_9utilities_3lib_14geometry_utils_1find_values_at_point = {"find_values_at_point", (PyCFunction)__pyx_pw_2yt_9utilities_3lib_14geometry_utils_1find_values_at_point, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_1find_values_at_point(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyArrayObject *__pyx_v_point = 0;
  PyArrayObject *__pyx_v_left_edges = 0;
  PyArrayObject *__pyx_v_right_edges = 0;
  PyArrayObject *__pyx_v_dimensions = 0;
  PyObject *__pyx_v_field_names = 0;
  PyObject *__pyx_v_grid_objects = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("find_values_at_point (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_point,&__pyx_n_s_left_edges,&__pyx_n_s_right_edges,&__pyx_n_s_dimensions,&__pyx_n_s_field_names,&__pyx_n_s_grid_objects,0};
    PyObject* values[6] = {0,0,0,0,0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_point)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        case  1:
        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_left_edges)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("find_values_at_point", 1, 6, 6, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  2:
        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_right_edges)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("find_values_at_point", 1, 6, 6, 2); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  3:
        if (likely((values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_dimensions)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("find_values_at_point", 1, 6, 6, 3); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  4:
        if (likely((values[4] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_field_names)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("find_values_at_point", 1, 6, 6, 4); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  5:
        if (likely((values[5] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_grid_objects)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("find_values_at_point", 1, 6, 6, 5); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "find_values_at_point") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 6) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
      values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
      values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
      values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
    }
    __pyx_v_point = ((PyArrayObject *)values[0]);
    __pyx_v_left_edges = ((PyArrayObject *)values[1]);
    __pyx_v_right_edges = ((PyArrayObject *)values[2]);
    __pyx_v_dimensions = ((PyArrayObject *)values[3]);
    __pyx_v_field_names = values[4];
    __pyx_v_grid_objects = values[5];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("find_values_at_point", 1, 6, 6, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
  __pyx_L3_error:;
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.find_values_at_point", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_point), __pyx_ptype_5numpy_ndarray, 1, "point", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_left_edges), __pyx_ptype_5numpy_ndarray, 1, "left_edges", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 41; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_right_edges), __pyx_ptype_5numpy_ndarray, 1, "right_edges", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_dimensions), __pyx_ptype_5numpy_ndarray, 1, "dimensions", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_r = __pyx_pf_2yt_9utilities_3lib_14geometry_utils_find_values_at_point(__pyx_self, __pyx_v_point, __pyx_v_left_edges, __pyx_v_right_edges, __pyx_v_dimensions, __pyx_v_field_names, __pyx_v_grid_objects);

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_find_values_at_point(CYTHON_UNUSED PyObject *__pyx_self, PyArrayObject *__pyx_v_point, PyArrayObject *__pyx_v_left_edges, PyArrayObject *__pyx_v_right_edges, PyArrayObject *__pyx_v_dimensions, PyObject *__pyx_v_field_names, PyObject *__pyx_v_grid_objects) {
  int __pyx_v_ind[3];
  int __pyx_v_gi;
  int __pyx_v_fi;
  int __pyx_v_nf;
  __pyx_t_5numpy_float64_t __pyx_v_dds;
  PyArrayObject *__pyx_v_field = 0;
  PyArrayObject *__pyx_v_rv = 0;
  PyObject *__pyx_v_grid = NULL;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_dimensions;
  __Pyx_Buffer __pyx_pybuffer_dimensions;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_field;
  __Pyx_Buffer __pyx_pybuffer_field;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_left_edges;
  __Pyx_Buffer __pyx_pybuffer_left_edges;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_point;
  __Pyx_Buffer __pyx_pybuffer_point;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_right_edges;
  __Pyx_Buffer __pyx_pybuffer_right_edges;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_rv;
  __Pyx_Buffer __pyx_pybuffer_rv;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  Py_ssize_t __pyx_t_1;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyArrayObject *__pyx_t_6 = NULL;
  npy_intp __pyx_t_7;
  int __pyx_t_8;
  int __pyx_t_9;
  Py_ssize_t __pyx_t_10;
  Py_ssize_t __pyx_t_11;
  Py_ssize_t __pyx_t_12;
  __pyx_t_5numpy_float64_t __pyx_t_13;
  int __pyx_t_14;
  Py_ssize_t __pyx_t_15;
  Py_ssize_t __pyx_t_16;
  int __pyx_t_17;
  Py_ssize_t __pyx_t_18;
  Py_ssize_t __pyx_t_19;
  Py_ssize_t __pyx_t_20;
  Py_ssize_t __pyx_t_21;
  Py_ssize_t __pyx_t_22;
  Py_ssize_t __pyx_t_23;
  Py_ssize_t __pyx_t_24;
  Py_ssize_t __pyx_t_25;
  Py_ssize_t __pyx_t_26;
  Py_ssize_t __pyx_t_27;
  int __pyx_t_28;
  Py_ssize_t __pyx_t_29;
  Py_ssize_t __pyx_t_30;
  Py_ssize_t __pyx_t_31;
  Py_ssize_t __pyx_t_32;
  Py_ssize_t __pyx_t_33;
  Py_ssize_t __pyx_t_34;
  Py_ssize_t __pyx_t_35;
  Py_ssize_t __pyx_t_36;
  Py_ssize_t __pyx_t_37;
  int __pyx_t_38;
  PyArrayObject *__pyx_t_39 = NULL;
  int __pyx_t_40;
  PyObject *__pyx_t_41 = NULL;
  PyObject *__pyx_t_42 = NULL;
  PyObject *__pyx_t_43 = NULL;
  Py_ssize_t __pyx_t_44;
  Py_ssize_t __pyx_t_45;
  Py_ssize_t __pyx_t_46;
  Py_ssize_t __pyx_t_47;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("find_values_at_point", 0);
  __pyx_pybuffer_field.pybuffer.buf = NULL;
  __pyx_pybuffer_field.refcount = 0;
  __pyx_pybuffernd_field.data = NULL;
  __pyx_pybuffernd_field.rcbuffer = &__pyx_pybuffer_field;
  __pyx_pybuffer_rv.pybuffer.buf = NULL;
  __pyx_pybuffer_rv.refcount = 0;
  __pyx_pybuffernd_rv.data = NULL;
  __pyx_pybuffernd_rv.rcbuffer = &__pyx_pybuffer_rv;
  __pyx_pybuffer_point.pybuffer.buf = NULL;
  __pyx_pybuffer_point.refcount = 0;
  __pyx_pybuffernd_point.data = NULL;
  __pyx_pybuffernd_point.rcbuffer = &__pyx_pybuffer_point;
  __pyx_pybuffer_left_edges.pybuffer.buf = NULL;
  __pyx_pybuffer_left_edges.refcount = 0;
  __pyx_pybuffernd_left_edges.data = NULL;
  __pyx_pybuffernd_left_edges.rcbuffer = &__pyx_pybuffer_left_edges;
  __pyx_pybuffer_right_edges.pybuffer.buf = NULL;
  __pyx_pybuffer_right_edges.refcount = 0;
  __pyx_pybuffernd_right_edges.data = NULL;
  __pyx_pybuffernd_right_edges.rcbuffer = &__pyx_pybuffer_right_edges;
  __pyx_pybuffer_dimensions.pybuffer.buf = NULL;
  __pyx_pybuffer_dimensions.refcount = 0;
  __pyx_pybuffernd_dimensions.data = NULL;
  __pyx_pybuffernd_dimensions.rcbuffer = &__pyx_pybuffer_dimensions;
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_point.rcbuffer->pybuffer, (PyObject*)__pyx_v_point, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_point.diminfo[0].strides = __pyx_pybuffernd_point.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_point.diminfo[0].shape = __pyx_pybuffernd_point.rcbuffer->pybuffer.shape[0];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_left_edges.rcbuffer->pybuffer, (PyObject*)__pyx_v_left_edges, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 2, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_left_edges.diminfo[0].strides = __pyx_pybuffernd_left_edges.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_left_edges.diminfo[0].shape = __pyx_pybuffernd_left_edges.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_left_edges.diminfo[1].strides = __pyx_pybuffernd_left_edges.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_left_edges.diminfo[1].shape = __pyx_pybuffernd_left_edges.rcbuffer->pybuffer.shape[1];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_right_edges.rcbuffer->pybuffer, (PyObject*)__pyx_v_right_edges, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 2, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_right_edges.diminfo[0].strides = __pyx_pybuffernd_right_edges.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_right_edges.diminfo[0].shape = __pyx_pybuffernd_right_edges.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_right_edges.diminfo[1].strides = __pyx_pybuffernd_right_edges.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_right_edges.diminfo[1].shape = __pyx_pybuffernd_right_edges.rcbuffer->pybuffer.shape[1];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_dimensions.rcbuffer->pybuffer, (PyObject*)__pyx_v_dimensions, &__Pyx_TypeInfo_nn___pyx_t_5numpy_int32_t, PyBUF_FORMAT| PyBUF_STRIDES, 2, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_dimensions.diminfo[0].strides = __pyx_pybuffernd_dimensions.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_dimensions.diminfo[0].shape = __pyx_pybuffernd_dimensions.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_dimensions.diminfo[1].strides = __pyx_pybuffernd_dimensions.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_dimensions.diminfo[1].shape = __pyx_pybuffernd_dimensions.rcbuffer->pybuffer.shape[1];

  /* "yt/utilities/lib/geometry_utils.pyx":51
 *     # strings and whatnot, but they should not be terribly slow.
 *     cdef int ind[3]
 *     cdef int gi, fi, nf = len(field_names)             # <<<<<<<<<<<<<<
 *     cdef np.float64_t dds
 *     cdef np.ndarray[np.float64_t, ndim=3] field
 */
  __pyx_t_1 = PyObject_Length(__pyx_v_field_names); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 51; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_v_nf = __pyx_t_1;

  /* "yt/utilities/lib/geometry_utils.pyx":54
 *     cdef np.float64_t dds
 *     cdef np.ndarray[np.float64_t, ndim=3] field
 *     cdef np.ndarray[np.float64_t, ndim=1] rv = np.zeros(nf, dtype='float64')             # <<<<<<<<<<<<<<
 *     for gi in range(left_edges.shape[0]):
 *         if not ((left_edges[gi,0] < point[0] < right_edges[gi,0])
 */
  __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_zeros); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyInt_From_int(__pyx_v_nf); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_GIVEREF(__pyx_t_2);
  PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_2);
  __pyx_t_2 = 0;
  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_t_2, __pyx_n_s_dtype, __pyx_n_s_float64) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_4, __pyx_t_2); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (!(likely(((__pyx_t_5) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_5, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_6 = ((PyArrayObject *)__pyx_t_5);
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_rv.rcbuffer->pybuffer, (PyObject*)__pyx_t_6, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {
      __pyx_v_rv = ((PyArrayObject *)Py_None); __Pyx_INCREF(Py_None); __pyx_pybuffernd_rv.rcbuffer->pybuffer.buf = NULL;
      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    } else {__pyx_pybuffernd_rv.diminfo[0].strides = __pyx_pybuffernd_rv.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_rv.diminfo[0].shape = __pyx_pybuffernd_rv.rcbuffer->pybuffer.shape[0];
    }
  }
  __pyx_t_6 = 0;
  __pyx_v_rv = ((PyArrayObject *)__pyx_t_5);
  __pyx_t_5 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":55
 *     cdef np.ndarray[np.float64_t, ndim=3] field
 *     cdef np.ndarray[np.float64_t, ndim=1] rv = np.zeros(nf, dtype='float64')
 *     for gi in range(left_edges.shape[0]):             # <<<<<<<<<<<<<<
 *         if not ((left_edges[gi,0] < point[0] < right_edges[gi,0])
 *             and (left_edges[gi,1] < point[1] < right_edges[gi,1])
 */
  __pyx_t_7 = (__pyx_v_left_edges->dimensions[0]);
  for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) {
    __pyx_v_gi = __pyx_t_8;

    /* "yt/utilities/lib/geometry_utils.pyx":56
 *     cdef np.ndarray[np.float64_t, ndim=1] rv = np.zeros(nf, dtype='float64')
 *     for gi in range(left_edges.shape[0]):
 *         if not ((left_edges[gi,0] < point[0] < right_edges[gi,0])             # <<<<<<<<<<<<<<
 *             and (left_edges[gi,1] < point[1] < right_edges[gi,1])
 *             and (left_edges[gi,2] < point[2] < right_edges[gi,2])):
 */
    __pyx_t_10 = __pyx_v_gi;
    __pyx_t_11 = 0;
    __pyx_t_12 = 0;
    __pyx_t_13 = (*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_point.rcbuffer->pybuffer.buf, __pyx_t_12, __pyx_pybuffernd_point.diminfo[0].strides));
    __pyx_t_14 = ((*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_left_edges.rcbuffer->pybuffer.buf, __pyx_t_10, __pyx_pybuffernd_left_edges.diminfo[0].strides, __pyx_t_11, __pyx_pybuffernd_left_edges.diminfo[1].strides)) < __pyx_t_13);
    if (__pyx_t_14) {
      __pyx_t_15 = __pyx_v_gi;
      __pyx_t_16 = 0;
      __pyx_t_14 = (__pyx_t_13 < (*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_right_edges.rcbuffer->pybuffer.buf, __pyx_t_15, __pyx_pybuffernd_right_edges.diminfo[0].strides, __pyx_t_16, __pyx_pybuffernd_right_edges.diminfo[1].strides)));
    }
    __pyx_t_17 = (__pyx_t_14 != 0);
    if (__pyx_t_17) {
    } else {
      __pyx_t_9 = __pyx_t_17;
      goto __pyx_L6_bool_binop_done;
    }

    /* "yt/utilities/lib/geometry_utils.pyx":57
 *     for gi in range(left_edges.shape[0]):
 *         if not ((left_edges[gi,0] < point[0] < right_edges[gi,0])
 *             and (left_edges[gi,1] < point[1] < right_edges[gi,1])             # <<<<<<<<<<<<<<
 *             and (left_edges[gi,2] < point[2] < right_edges[gi,2])):
 *             continue
 */
    __pyx_t_18 = __pyx_v_gi;
    __pyx_t_19 = 1;
    __pyx_t_20 = 1;
    __pyx_t_13 = (*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_point.rcbuffer->pybuffer.buf, __pyx_t_20, __pyx_pybuffernd_point.diminfo[0].strides));
    __pyx_t_17 = ((*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_left_edges.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_left_edges.diminfo[0].strides, __pyx_t_19, __pyx_pybuffernd_left_edges.diminfo[1].strides)) < __pyx_t_13);
    if (__pyx_t_17) {
      __pyx_t_21 = __pyx_v_gi;
      __pyx_t_22 = 1;
      __pyx_t_17 = (__pyx_t_13 < (*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_right_edges.rcbuffer->pybuffer.buf, __pyx_t_21, __pyx_pybuffernd_right_edges.diminfo[0].strides, __pyx_t_22, __pyx_pybuffernd_right_edges.diminfo[1].strides)));
    }
    __pyx_t_14 = (__pyx_t_17 != 0);
    if (__pyx_t_14) {
    } else {
      __pyx_t_9 = __pyx_t_14;
      goto __pyx_L6_bool_binop_done;
    }

    /* "yt/utilities/lib/geometry_utils.pyx":58
 *         if not ((left_edges[gi,0] < point[0] < right_edges[gi,0])
 *             and (left_edges[gi,1] < point[1] < right_edges[gi,1])
 *             and (left_edges[gi,2] < point[2] < right_edges[gi,2])):             # <<<<<<<<<<<<<<
 *             continue
 *         # We found our grid!
 */
    __pyx_t_23 = __pyx_v_gi;
    __pyx_t_24 = 2;
    __pyx_t_25 = 2;
    __pyx_t_13 = (*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_point.rcbuffer->pybuffer.buf, __pyx_t_25, __pyx_pybuffernd_point.diminfo[0].strides));
    __pyx_t_14 = ((*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_left_edges.rcbuffer->pybuffer.buf, __pyx_t_23, __pyx_pybuffernd_left_edges.diminfo[0].strides, __pyx_t_24, __pyx_pybuffernd_left_edges.diminfo[1].strides)) < __pyx_t_13);
    if (__pyx_t_14) {
      __pyx_t_26 = __pyx_v_gi;
      __pyx_t_27 = 2;
      __pyx_t_14 = (__pyx_t_13 < (*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_right_edges.rcbuffer->pybuffer.buf, __pyx_t_26, __pyx_pybuffernd_right_edges.diminfo[0].strides, __pyx_t_27, __pyx_pybuffernd_right_edges.diminfo[1].strides)));
    }
    __pyx_t_17 = (__pyx_t_14 != 0);
    __pyx_t_9 = __pyx_t_17;
    __pyx_L6_bool_binop_done:;

    /* "yt/utilities/lib/geometry_utils.pyx":56
 *     cdef np.ndarray[np.float64_t, ndim=1] rv = np.zeros(nf, dtype='float64')
 *     for gi in range(left_edges.shape[0]):
 *         if not ((left_edges[gi,0] < point[0] < right_edges[gi,0])             # <<<<<<<<<<<<<<
 *             and (left_edges[gi,1] < point[1] < right_edges[gi,1])
 *             and (left_edges[gi,2] < point[2] < right_edges[gi,2])):
 */
    __pyx_t_17 = ((!__pyx_t_9) != 0);
    if (__pyx_t_17) {

      /* "yt/utilities/lib/geometry_utils.pyx":59
 *             and (left_edges[gi,1] < point[1] < right_edges[gi,1])
 *             and (left_edges[gi,2] < point[2] < right_edges[gi,2])):
 *             continue             # <<<<<<<<<<<<<<
 *         # We found our grid!
 *         for fi in range(3):
 */
      goto __pyx_L3_continue;

      /* "yt/utilities/lib/geometry_utils.pyx":56
 *     cdef np.ndarray[np.float64_t, ndim=1] rv = np.zeros(nf, dtype='float64')
 *     for gi in range(left_edges.shape[0]):
 *         if not ((left_edges[gi,0] < point[0] < right_edges[gi,0])             # <<<<<<<<<<<<<<
 *             and (left_edges[gi,1] < point[1] < right_edges[gi,1])
 *             and (left_edges[gi,2] < point[2] < right_edges[gi,2])):
 */
    }

    /* "yt/utilities/lib/geometry_utils.pyx":61
 *             continue
 *         # We found our grid!
 *         for fi in range(3):             # <<<<<<<<<<<<<<
 *             dds = ((right_edges[gi,fi] - left_edges[gi,fi])/
 *                    (<np.float64_t> dimensions[gi,fi]))
 */
    for (__pyx_t_28 = 0; __pyx_t_28 < 3; __pyx_t_28+=1) {
      __pyx_v_fi = __pyx_t_28;

      /* "yt/utilities/lib/geometry_utils.pyx":62
 *         # We found our grid!
 *         for fi in range(3):
 *             dds = ((right_edges[gi,fi] - left_edges[gi,fi])/             # <<<<<<<<<<<<<<
 *                    (<np.float64_t> dimensions[gi,fi]))
 *             ind[fi] = <int> ((point[fi] - left_edges[gi,fi])/dds)
 */
      __pyx_t_29 = __pyx_v_gi;
      __pyx_t_30 = __pyx_v_fi;
      __pyx_t_31 = __pyx_v_gi;
      __pyx_t_32 = __pyx_v_fi;

      /* "yt/utilities/lib/geometry_utils.pyx":63
 *         for fi in range(3):
 *             dds = ((right_edges[gi,fi] - left_edges[gi,fi])/
 *                    (<np.float64_t> dimensions[gi,fi]))             # <<<<<<<<<<<<<<
 *             ind[fi] = <int> ((point[fi] - left_edges[gi,fi])/dds)
 *         grid = grid_objects[gi]
 */
      __pyx_t_33 = __pyx_v_gi;
      __pyx_t_34 = __pyx_v_fi;

      /* "yt/utilities/lib/geometry_utils.pyx":62
 *         # We found our grid!
 *         for fi in range(3):
 *             dds = ((right_edges[gi,fi] - left_edges[gi,fi])/             # <<<<<<<<<<<<<<
 *                    (<np.float64_t> dimensions[gi,fi]))
 *             ind[fi] = <int> ((point[fi] - left_edges[gi,fi])/dds)
 */
      __pyx_v_dds = (((*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_right_edges.rcbuffer->pybuffer.buf, __pyx_t_29, __pyx_pybuffernd_right_edges.diminfo[0].strides, __pyx_t_30, __pyx_pybuffernd_right_edges.diminfo[1].strides)) - (*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_left_edges.rcbuffer->pybuffer.buf, __pyx_t_31, __pyx_pybuffernd_left_edges.diminfo[0].strides, __pyx_t_32, __pyx_pybuffernd_left_edges.diminfo[1].strides))) / ((__pyx_t_5numpy_float64_t)(*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_int32_t *, __pyx_pybuffernd_dimensions.rcbuffer->pybuffer.buf, __pyx_t_33, __pyx_pybuffernd_dimensions.diminfo[0].strides, __pyx_t_34, __pyx_pybuffernd_dimensions.diminfo[1].strides))));

      /* "yt/utilities/lib/geometry_utils.pyx":64
 *             dds = ((right_edges[gi,fi] - left_edges[gi,fi])/
 *                    (<np.float64_t> dimensions[gi,fi]))
 *             ind[fi] = <int> ((point[fi] - left_edges[gi,fi])/dds)             # <<<<<<<<<<<<<<
 *         grid = grid_objects[gi]
 *         for fi in range(nf):
 */
      __pyx_t_35 = __pyx_v_fi;
      __pyx_t_36 = __pyx_v_gi;
      __pyx_t_37 = __pyx_v_fi;
      (__pyx_v_ind[__pyx_v_fi]) = ((int)(((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_point.rcbuffer->pybuffer.buf, __pyx_t_35, __pyx_pybuffernd_point.diminfo[0].strides)) - (*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_left_edges.rcbuffer->pybuffer.buf, __pyx_t_36, __pyx_pybuffernd_left_edges.diminfo[0].strides, __pyx_t_37, __pyx_pybuffernd_left_edges.diminfo[1].strides))) / __pyx_v_dds));
    }

    /* "yt/utilities/lib/geometry_utils.pyx":65
 *                    (<np.float64_t> dimensions[gi,fi]))
 *             ind[fi] = <int> ((point[fi] - left_edges[gi,fi])/dds)
 *         grid = grid_objects[gi]             # <<<<<<<<<<<<<<
 *         for fi in range(nf):
 *             field = grid[field_names[fi]]
 */
    __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_grid_objects, __pyx_v_gi, int, 1, __Pyx_PyInt_From_int, 0, 0, 0); if (unlikely(__pyx_t_5 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_v_grid = __pyx_t_5;
    __pyx_t_5 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":66
 *             ind[fi] = <int> ((point[fi] - left_edges[gi,fi])/dds)
 *         grid = grid_objects[gi]
 *         for fi in range(nf):             # <<<<<<<<<<<<<<
 *             field = grid[field_names[fi]]
 *             rv[fi] = field[ind[0], ind[1], ind[2]]
 */
    __pyx_t_28 = __pyx_v_nf;
    for (__pyx_t_38 = 0; __pyx_t_38 < __pyx_t_28; __pyx_t_38+=1) {
      __pyx_v_fi = __pyx_t_38;

      /* "yt/utilities/lib/geometry_utils.pyx":67
 *         grid = grid_objects[gi]
 *         for fi in range(nf):
 *             field = grid[field_names[fi]]             # <<<<<<<<<<<<<<
 *             rv[fi] = field[ind[0], ind[1], ind[2]]
 *         return rv
 */
      __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_field_names, __pyx_v_fi, int, 1, __Pyx_PyInt_From_int, 0, 0, 0); if (unlikely(__pyx_t_5 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_2 = PyObject_GetItem(__pyx_v_grid, __pyx_t_5); if (unlikely(__pyx_t_2 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      if (!(likely(((__pyx_t_2) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_2, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __pyx_t_39 = ((PyArrayObject *)__pyx_t_2);
      {
        __Pyx_BufFmt_StackElem __pyx_stack[1];
        __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_field.rcbuffer->pybuffer);
        __pyx_t_40 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_field.rcbuffer->pybuffer, (PyObject*)__pyx_t_39, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack);
        if (unlikely(__pyx_t_40 < 0)) {
          PyErr_Fetch(&__pyx_t_41, &__pyx_t_42, &__pyx_t_43);
          if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_field.rcbuffer->pybuffer, (PyObject*)__pyx_v_field, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack) == -1)) {
            Py_XDECREF(__pyx_t_41); Py_XDECREF(__pyx_t_42); Py_XDECREF(__pyx_t_43);
            __Pyx_RaiseBufferFallbackError();
          } else {
            PyErr_Restore(__pyx_t_41, __pyx_t_42, __pyx_t_43);
          }
        }
        __pyx_pybuffernd_field.diminfo[0].strides = __pyx_pybuffernd_field.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_field.diminfo[0].shape = __pyx_pybuffernd_field.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_field.diminfo[1].strides = __pyx_pybuffernd_field.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_field.diminfo[1].shape = __pyx_pybuffernd_field.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_field.diminfo[2].strides = __pyx_pybuffernd_field.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_field.diminfo[2].shape = __pyx_pybuffernd_field.rcbuffer->pybuffer.shape[2];
        if (unlikely(__pyx_t_40 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      }
      __pyx_t_39 = 0;
      __Pyx_XDECREF_SET(__pyx_v_field, ((PyArrayObject *)__pyx_t_2));
      __pyx_t_2 = 0;

      /* "yt/utilities/lib/geometry_utils.pyx":68
 *         for fi in range(nf):
 *             field = grid[field_names[fi]]
 *             rv[fi] = field[ind[0], ind[1], ind[2]]             # <<<<<<<<<<<<<<
 *         return rv
 *     raise KeyError
 */
      __pyx_t_44 = (__pyx_v_ind[0]);
      __pyx_t_45 = (__pyx_v_ind[1]);
      __pyx_t_46 = (__pyx_v_ind[2]);
      __pyx_t_47 = __pyx_v_fi;
      *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rv.rcbuffer->pybuffer.buf, __pyx_t_47, __pyx_pybuffernd_rv.diminfo[0].strides) = (*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_field.rcbuffer->pybuffer.buf, __pyx_t_44, __pyx_pybuffernd_field.diminfo[0].strides, __pyx_t_45, __pyx_pybuffernd_field.diminfo[1].strides, __pyx_t_46, __pyx_pybuffernd_field.diminfo[2].strides));
    }

    /* "yt/utilities/lib/geometry_utils.pyx":69
 *             field = grid[field_names[fi]]
 *             rv[fi] = field[ind[0], ind[1], ind[2]]
 *         return rv             # <<<<<<<<<<<<<<
 *     raise KeyError
 * 
 */
    __Pyx_XDECREF(__pyx_r);
    __Pyx_INCREF(((PyObject *)__pyx_v_rv));
    __pyx_r = ((PyObject *)__pyx_v_rv);
    goto __pyx_L0;
    __pyx_L3_continue:;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":70
 *             rv[fi] = field[ind[0], ind[1], ind[2]]
 *         return rv
 *     raise KeyError             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __Pyx_Raise(__pyx_builtin_KeyError, 0, 0, 0);
  {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

  /* "yt/utilities/lib/geometry_utils.pyx":40
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def find_values_at_point(np.ndarray[np.float64_t, ndim=1] point,             # <<<<<<<<<<<<<<
 *                          np.ndarray[np.float64_t, ndim=2] left_edges,
 *                          np.ndarray[np.float64_t, ndim=2] right_edges,
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_dimensions.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_field.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_edges.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_point.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_right_edges.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rv.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.find_values_at_point", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_dimensions.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_field.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_edges.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_point.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_right_edges.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rv.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_field);
  __Pyx_XDECREF((PyObject *)__pyx_v_rv);
  __Pyx_XDECREF(__pyx_v_grid);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":75
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def obtain_rvec(data):             # <<<<<<<<<<<<<<
 *     # This is just to let the pointers exist and whatnot.  We can't cdef them
 *     # inside conditionals.
 */

/* Python wrapper */
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_3obtain_rvec(PyObject *__pyx_self, PyObject *__pyx_v_data); /*proto*/
static PyMethodDef __pyx_mdef_2yt_9utilities_3lib_14geometry_utils_3obtain_rvec = {"obtain_rvec", (PyCFunction)__pyx_pw_2yt_9utilities_3lib_14geometry_utils_3obtain_rvec, METH_O, 0};
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_3obtain_rvec(PyObject *__pyx_self, PyObject *__pyx_v_data) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("obtain_rvec (wrapper)", 0);
  __pyx_r = __pyx_pf_2yt_9utilities_3lib_14geometry_utils_2obtain_rvec(__pyx_self, ((PyObject *)__pyx_v_data));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_2obtain_rvec(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_data) {
  PyArrayObject *__pyx_v_xf = 0;
  PyArrayObject *__pyx_v_yf = 0;
  PyArrayObject *__pyx_v_zf = 0;
  PyArrayObject *__pyx_v_rf = 0;
  PyArrayObject *__pyx_v_xg = 0;
  PyArrayObject *__pyx_v_yg = 0;
  PyArrayObject *__pyx_v_zg = 0;
  PyArrayObject *__pyx_v_rg = 0;
  __pyx_t_5numpy_float64_t __pyx_v_c[3];
  int __pyx_v_i;
  int __pyx_v_j;
  int __pyx_v_k;
  PyObject *__pyx_v_center = NULL;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_rf;
  __Pyx_Buffer __pyx_pybuffer_rf;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_rg;
  __Pyx_Buffer __pyx_pybuffer_rg;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_xf;
  __Pyx_Buffer __pyx_pybuffer_xf;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_xg;
  __Pyx_Buffer __pyx_pybuffer_xg;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_yf;
  __Pyx_Buffer __pyx_pybuffer_yf;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_yg;
  __Pyx_Buffer __pyx_pybuffer_yg;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_zf;
  __Pyx_Buffer __pyx_pybuffer_zf;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_zg;
  __Pyx_Buffer __pyx_pybuffer_zg;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  __pyx_t_5numpy_float64_t __pyx_t_3;
  Py_ssize_t __pyx_t_4;
  int __pyx_t_5;
  PyArrayObject *__pyx_t_6 = NULL;
  int __pyx_t_7;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyArrayObject *__pyx_t_11 = NULL;
  PyArrayObject *__pyx_t_12 = NULL;
  PyObject *__pyx_t_13 = NULL;
  PyObject *__pyx_t_14 = NULL;
  PyObject *__pyx_t_15 = NULL;
  PyArrayObject *__pyx_t_16 = NULL;
  npy_intp __pyx_t_17;
  Py_ssize_t __pyx_t_18;
  Py_ssize_t __pyx_t_19;
  Py_ssize_t __pyx_t_20;
  Py_ssize_t __pyx_t_21;
  Py_ssize_t __pyx_t_22;
  Py_ssize_t __pyx_t_23;
  Py_ssize_t __pyx_t_24;
  Py_ssize_t __pyx_t_25;
  Py_ssize_t __pyx_t_26;
  PyArrayObject *__pyx_t_27 = NULL;
  PyArrayObject *__pyx_t_28 = NULL;
  PyArrayObject *__pyx_t_29 = NULL;
  PyObject *__pyx_t_30 = NULL;
  PyArrayObject *__pyx_t_31 = NULL;
  npy_intp __pyx_t_32;
  int __pyx_t_33;
  npy_intp __pyx_t_34;
  int __pyx_t_35;
  Py_ssize_t __pyx_t_36;
  Py_ssize_t __pyx_t_37;
  Py_ssize_t __pyx_t_38;
  Py_ssize_t __pyx_t_39;
  Py_ssize_t __pyx_t_40;
  Py_ssize_t __pyx_t_41;
  Py_ssize_t __pyx_t_42;
  Py_ssize_t __pyx_t_43;
  Py_ssize_t __pyx_t_44;
  Py_ssize_t __pyx_t_45;
  Py_ssize_t __pyx_t_46;
  Py_ssize_t __pyx_t_47;
  Py_ssize_t __pyx_t_48;
  Py_ssize_t __pyx_t_49;
  Py_ssize_t __pyx_t_50;
  Py_ssize_t __pyx_t_51;
  Py_ssize_t __pyx_t_52;
  Py_ssize_t __pyx_t_53;
  Py_ssize_t __pyx_t_54;
  Py_ssize_t __pyx_t_55;
  Py_ssize_t __pyx_t_56;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("obtain_rvec", 0);
  __pyx_pybuffer_xf.pybuffer.buf = NULL;
  __pyx_pybuffer_xf.refcount = 0;
  __pyx_pybuffernd_xf.data = NULL;
  __pyx_pybuffernd_xf.rcbuffer = &__pyx_pybuffer_xf;
  __pyx_pybuffer_yf.pybuffer.buf = NULL;
  __pyx_pybuffer_yf.refcount = 0;
  __pyx_pybuffernd_yf.data = NULL;
  __pyx_pybuffernd_yf.rcbuffer = &__pyx_pybuffer_yf;
  __pyx_pybuffer_zf.pybuffer.buf = NULL;
  __pyx_pybuffer_zf.refcount = 0;
  __pyx_pybuffernd_zf.data = NULL;
  __pyx_pybuffernd_zf.rcbuffer = &__pyx_pybuffer_zf;
  __pyx_pybuffer_rf.pybuffer.buf = NULL;
  __pyx_pybuffer_rf.refcount = 0;
  __pyx_pybuffernd_rf.data = NULL;
  __pyx_pybuffernd_rf.rcbuffer = &__pyx_pybuffer_rf;
  __pyx_pybuffer_xg.pybuffer.buf = NULL;
  __pyx_pybuffer_xg.refcount = 0;
  __pyx_pybuffernd_xg.data = NULL;
  __pyx_pybuffernd_xg.rcbuffer = &__pyx_pybuffer_xg;
  __pyx_pybuffer_yg.pybuffer.buf = NULL;
  __pyx_pybuffer_yg.refcount = 0;
  __pyx_pybuffernd_yg.data = NULL;
  __pyx_pybuffernd_yg.rcbuffer = &__pyx_pybuffer_yg;
  __pyx_pybuffer_zg.pybuffer.buf = NULL;
  __pyx_pybuffer_zg.refcount = 0;
  __pyx_pybuffernd_zg.data = NULL;
  __pyx_pybuffernd_zg.rcbuffer = &__pyx_pybuffer_zg;
  __pyx_pybuffer_rg.pybuffer.buf = NULL;
  __pyx_pybuffer_rg.refcount = 0;
  __pyx_pybuffernd_rg.data = NULL;
  __pyx_pybuffernd_rg.rcbuffer = &__pyx_pybuffer_rg;

  /* "yt/utilities/lib/geometry_utils.pyx":88
 *     cdef np.float64_t c[3]
 *     cdef int i, j, k
 *     center = data.get_field_parameter("center")             # <<<<<<<<<<<<<<
 *     c[0] = center[0]; c[1] = center[1]; c[2] = center[2]
 *     if len(data['x'].shape) == 1:
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_data, __pyx_n_s_get_field_parameter); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_tuple_, NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_v_center = __pyx_t_2;
  __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":89
 *     cdef int i, j, k
 *     center = data.get_field_parameter("center")
 *     c[0] = center[0]; c[1] = center[1]; c[2] = center[2]             # <<<<<<<<<<<<<<
 *     if len(data['x'].shape) == 1:
 *         # One dimensional data
 */
  __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_center, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(__pyx_t_2 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_3 == (npy_float64)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  (__pyx_v_c[0]) = __pyx_t_3;
  __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_center, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(__pyx_t_2 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_3 == (npy_float64)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  (__pyx_v_c[1]) = __pyx_t_3;
  __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_center, 2, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(__pyx_t_2 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_3 == (npy_float64)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  (__pyx_v_c[2]) = __pyx_t_3;

  /* "yt/utilities/lib/geometry_utils.pyx":90
 *     center = data.get_field_parameter("center")
 *     c[0] = center[0]; c[1] = center[1]; c[2] = center[2]
 *     if len(data['x'].shape) == 1:             # <<<<<<<<<<<<<<
 *         # One dimensional data
 *         xf = data['x']
 */
  __pyx_t_2 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_x); if (unlikely(__pyx_t_2 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_shape); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_4 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_4 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_5 = ((__pyx_t_4 == 1) != 0);
  if (__pyx_t_5) {

    /* "yt/utilities/lib/geometry_utils.pyx":92
 *     if len(data['x'].shape) == 1:
 *         # One dimensional data
 *         xf = data['x']             # <<<<<<<<<<<<<<
 *         yf = data['y']
 *         zf = data['z']
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_x); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_6 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_xf.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_xf.rcbuffer->pybuffer, (PyObject*)__pyx_t_6, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_8, &__pyx_t_9, &__pyx_t_10);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_xf.rcbuffer->pybuffer, (PyObject*)__pyx_v_xf, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_8); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_8, __pyx_t_9, __pyx_t_10);
        }
      }
      __pyx_pybuffernd_xf.diminfo[0].strides = __pyx_pybuffernd_xf.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_xf.diminfo[0].shape = __pyx_pybuffernd_xf.rcbuffer->pybuffer.shape[0];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_6 = 0;
    __pyx_v_xf = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":93
 *         # One dimensional data
 *         xf = data['x']
 *         yf = data['y']             # <<<<<<<<<<<<<<
 *         zf = data['z']
 *         rf = np.empty((3, xf.shape[0]), 'float64')
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_y); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 93; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 93; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_11 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_yf.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_yf.rcbuffer->pybuffer, (PyObject*)__pyx_t_11, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_10, &__pyx_t_9, &__pyx_t_8);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_yf.rcbuffer->pybuffer, (PyObject*)__pyx_v_yf, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_8);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_10, __pyx_t_9, __pyx_t_8);
        }
      }
      __pyx_pybuffernd_yf.diminfo[0].strides = __pyx_pybuffernd_yf.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_yf.diminfo[0].shape = __pyx_pybuffernd_yf.rcbuffer->pybuffer.shape[0];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 93; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_11 = 0;
    __pyx_v_yf = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":94
 *         xf = data['x']
 *         yf = data['y']
 *         zf = data['z']             # <<<<<<<<<<<<<<
 *         rf = np.empty((3, xf.shape[0]), 'float64')
 *         for i in range(xf.shape[0]):
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_z); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_12 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_zf.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_zf.rcbuffer->pybuffer, (PyObject*)__pyx_t_12, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_8, &__pyx_t_9, &__pyx_t_10);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_zf.rcbuffer->pybuffer, (PyObject*)__pyx_v_zf, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_8); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_8, __pyx_t_9, __pyx_t_10);
        }
      }
      __pyx_pybuffernd_zf.diminfo[0].strides = __pyx_pybuffernd_zf.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_zf.diminfo[0].shape = __pyx_pybuffernd_zf.rcbuffer->pybuffer.shape[0];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_12 = 0;
    __pyx_v_zf = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":95
 *         yf = data['y']
 *         zf = data['z']
 *         rf = np.empty((3, xf.shape[0]), 'float64')             # <<<<<<<<<<<<<<
 *         for i in range(xf.shape[0]):
 *             rf[0, i] = xf[i] - c[0]
 */
    __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_empty); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_13);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __pyx_t_2 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_xf->dimensions[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_14 = PyTuple_New(2); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_14);
    __Pyx_INCREF(__pyx_int_3);
    __Pyx_GIVEREF(__pyx_int_3);
    PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_int_3);
    __Pyx_GIVEREF(__pyx_t_2);
    PyTuple_SET_ITEM(__pyx_t_14, 1, __pyx_t_2);
    __pyx_t_2 = 0;
    __pyx_t_2 = NULL;
    __pyx_t_4 = 0;
    if (CYTHON_COMPILING_IN_CPYTHON && unlikely(PyMethod_Check(__pyx_t_13))) {
      __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_13);
      if (likely(__pyx_t_2)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_13);
        __Pyx_INCREF(__pyx_t_2);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_13, function);
        __pyx_t_4 = 1;
      }
    }
    __pyx_t_15 = PyTuple_New(2+__pyx_t_4); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_15);
    if (__pyx_t_2) {
      __Pyx_GIVEREF(__pyx_t_2); PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_2); __pyx_t_2 = NULL;
    }
    __Pyx_GIVEREF(__pyx_t_14);
    PyTuple_SET_ITEM(__pyx_t_15, 0+__pyx_t_4, __pyx_t_14);
    __Pyx_INCREF(__pyx_n_s_float64);
    __Pyx_GIVEREF(__pyx_n_s_float64);
    PyTuple_SET_ITEM(__pyx_t_15, 1+__pyx_t_4, __pyx_n_s_float64);
    __pyx_t_14 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_13, __pyx_t_15, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_16 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rf.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_rf.rcbuffer->pybuffer, (PyObject*)__pyx_t_16, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 2, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_10, &__pyx_t_9, &__pyx_t_8);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_rf.rcbuffer->pybuffer, (PyObject*)__pyx_v_rf, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 2, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_8);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_10, __pyx_t_9, __pyx_t_8);
        }
      }
      __pyx_pybuffernd_rf.diminfo[0].strides = __pyx_pybuffernd_rf.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_rf.diminfo[0].shape = __pyx_pybuffernd_rf.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_rf.diminfo[1].strides = __pyx_pybuffernd_rf.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_rf.diminfo[1].shape = __pyx_pybuffernd_rf.rcbuffer->pybuffer.shape[1];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_16 = 0;
    __pyx_v_rf = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":96
 *         zf = data['z']
 *         rf = np.empty((3, xf.shape[0]), 'float64')
 *         for i in range(xf.shape[0]):             # <<<<<<<<<<<<<<
 *             rf[0, i] = xf[i] - c[0]
 *             rf[1, i] = yf[i] - c[1]
 */
    __pyx_t_17 = (__pyx_v_xf->dimensions[0]);
    for (__pyx_t_7 = 0; __pyx_t_7 < __pyx_t_17; __pyx_t_7+=1) {
      __pyx_v_i = __pyx_t_7;

      /* "yt/utilities/lib/geometry_utils.pyx":97
 *         rf = np.empty((3, xf.shape[0]), 'float64')
 *         for i in range(xf.shape[0]):
 *             rf[0, i] = xf[i] - c[0]             # <<<<<<<<<<<<<<
 *             rf[1, i] = yf[i] - c[1]
 *             rf[2, i] = zf[i] - c[2]
 */
      __pyx_t_18 = __pyx_v_i;
      __pyx_t_19 = 0;
      __pyx_t_20 = __pyx_v_i;
      *__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rf.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_rf.diminfo[0].strides, __pyx_t_20, __pyx_pybuffernd_rf.diminfo[1].strides) = ((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_xf.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_xf.diminfo[0].strides)) - (__pyx_v_c[0]));

      /* "yt/utilities/lib/geometry_utils.pyx":98
 *         for i in range(xf.shape[0]):
 *             rf[0, i] = xf[i] - c[0]
 *             rf[1, i] = yf[i] - c[1]             # <<<<<<<<<<<<<<
 *             rf[2, i] = zf[i] - c[2]
 *         return rf
 */
      __pyx_t_21 = __pyx_v_i;
      __pyx_t_22 = 1;
      __pyx_t_23 = __pyx_v_i;
      *__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rf.rcbuffer->pybuffer.buf, __pyx_t_22, __pyx_pybuffernd_rf.diminfo[0].strides, __pyx_t_23, __pyx_pybuffernd_rf.diminfo[1].strides) = ((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_yf.rcbuffer->pybuffer.buf, __pyx_t_21, __pyx_pybuffernd_yf.diminfo[0].strides)) - (__pyx_v_c[1]));

      /* "yt/utilities/lib/geometry_utils.pyx":99
 *             rf[0, i] = xf[i] - c[0]
 *             rf[1, i] = yf[i] - c[1]
 *             rf[2, i] = zf[i] - c[2]             # <<<<<<<<<<<<<<
 *         return rf
 *     else:
 */
      __pyx_t_24 = __pyx_v_i;
      __pyx_t_25 = 2;
      __pyx_t_26 = __pyx_v_i;
      *__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rf.rcbuffer->pybuffer.buf, __pyx_t_25, __pyx_pybuffernd_rf.diminfo[0].strides, __pyx_t_26, __pyx_pybuffernd_rf.diminfo[1].strides) = ((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_zf.rcbuffer->pybuffer.buf, __pyx_t_24, __pyx_pybuffernd_zf.diminfo[0].strides)) - (__pyx_v_c[2]));
    }

    /* "yt/utilities/lib/geometry_utils.pyx":100
 *             rf[1, i] = yf[i] - c[1]
 *             rf[2, i] = zf[i] - c[2]
 *         return rf             # <<<<<<<<<<<<<<
 *     else:
 *         # Three dimensional data
 */
    __Pyx_XDECREF(__pyx_r);
    __Pyx_INCREF(((PyObject *)__pyx_v_rf));
    __pyx_r = ((PyObject *)__pyx_v_rf);
    goto __pyx_L0;

    /* "yt/utilities/lib/geometry_utils.pyx":90
 *     center = data.get_field_parameter("center")
 *     c[0] = center[0]; c[1] = center[1]; c[2] = center[2]
 *     if len(data['x'].shape) == 1:             # <<<<<<<<<<<<<<
 *         # One dimensional data
 *         xf = data['x']
 */
  }

  /* "yt/utilities/lib/geometry_utils.pyx":103
 *     else:
 *         # Three dimensional data
 *         xg = data['x']             # <<<<<<<<<<<<<<
 *         yg = data['y']
 *         zg = data['z']
 */
  /*else*/ {
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_x); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_27 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_xg.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_xg.rcbuffer->pybuffer, (PyObject*)__pyx_t_27, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_8, &__pyx_t_9, &__pyx_t_10);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_xg.rcbuffer->pybuffer, (PyObject*)__pyx_v_xg, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_8); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_8, __pyx_t_9, __pyx_t_10);
        }
      }
      __pyx_pybuffernd_xg.diminfo[0].strides = __pyx_pybuffernd_xg.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_xg.diminfo[0].shape = __pyx_pybuffernd_xg.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_xg.diminfo[1].strides = __pyx_pybuffernd_xg.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_xg.diminfo[1].shape = __pyx_pybuffernd_xg.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_xg.diminfo[2].strides = __pyx_pybuffernd_xg.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_xg.diminfo[2].shape = __pyx_pybuffernd_xg.rcbuffer->pybuffer.shape[2];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_27 = 0;
    __pyx_v_xg = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":104
 *         # Three dimensional data
 *         xg = data['x']
 *         yg = data['y']             # <<<<<<<<<<<<<<
 *         zg = data['z']
 *         rg = np.empty((3, xg.shape[0], xg.shape[1], xg.shape[2]), 'float64')
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_y); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_28 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_yg.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_yg.rcbuffer->pybuffer, (PyObject*)__pyx_t_28, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_10, &__pyx_t_9, &__pyx_t_8);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_yg.rcbuffer->pybuffer, (PyObject*)__pyx_v_yg, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_8);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_10, __pyx_t_9, __pyx_t_8);
        }
      }
      __pyx_pybuffernd_yg.diminfo[0].strides = __pyx_pybuffernd_yg.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_yg.diminfo[0].shape = __pyx_pybuffernd_yg.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_yg.diminfo[1].strides = __pyx_pybuffernd_yg.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_yg.diminfo[1].shape = __pyx_pybuffernd_yg.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_yg.diminfo[2].strides = __pyx_pybuffernd_yg.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_yg.diminfo[2].shape = __pyx_pybuffernd_yg.rcbuffer->pybuffer.shape[2];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_28 = 0;
    __pyx_v_yg = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":105
 *         xg = data['x']
 *         yg = data['y']
 *         zg = data['z']             # <<<<<<<<<<<<<<
 *         rg = np.empty((3, xg.shape[0], xg.shape[1], xg.shape[2]), 'float64')
 *         for i in range(xg.shape[0]):
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_z); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_29 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_zg.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_zg.rcbuffer->pybuffer, (PyObject*)__pyx_t_29, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_8, &__pyx_t_9, &__pyx_t_10);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_zg.rcbuffer->pybuffer, (PyObject*)__pyx_v_zg, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_8); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_8, __pyx_t_9, __pyx_t_10);
        }
      }
      __pyx_pybuffernd_zg.diminfo[0].strides = __pyx_pybuffernd_zg.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_zg.diminfo[0].shape = __pyx_pybuffernd_zg.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_zg.diminfo[1].strides = __pyx_pybuffernd_zg.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_zg.diminfo[1].shape = __pyx_pybuffernd_zg.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_zg.diminfo[2].strides = __pyx_pybuffernd_zg.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_zg.diminfo[2].shape = __pyx_pybuffernd_zg.rcbuffer->pybuffer.shape[2];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_29 = 0;
    __pyx_v_zg = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":106
 *         yg = data['y']
 *         zg = data['z']
 *         rg = np.empty((3, xg.shape[0], xg.shape[1], xg.shape[2]), 'float64')             # <<<<<<<<<<<<<<
 *         for i in range(xg.shape[0]):
 *             for j in range(xg.shape[1]):
 */
    __pyx_t_13 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_13);
    __pyx_t_15 = __Pyx_PyObject_GetAttrStr(__pyx_t_13, __pyx_n_s_empty); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_15);
    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
    __pyx_t_13 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_xg->dimensions[0])); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_13);
    __pyx_t_14 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_xg->dimensions[1])); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_14);
    __pyx_t_2 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_xg->dimensions[2])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_30 = PyTuple_New(4); if (unlikely(!__pyx_t_30)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_30);
    __Pyx_INCREF(__pyx_int_3);
    __Pyx_GIVEREF(__pyx_int_3);
    PyTuple_SET_ITEM(__pyx_t_30, 0, __pyx_int_3);
    __Pyx_GIVEREF(__pyx_t_13);
    PyTuple_SET_ITEM(__pyx_t_30, 1, __pyx_t_13);
    __Pyx_GIVEREF(__pyx_t_14);
    PyTuple_SET_ITEM(__pyx_t_30, 2, __pyx_t_14);
    __Pyx_GIVEREF(__pyx_t_2);
    PyTuple_SET_ITEM(__pyx_t_30, 3, __pyx_t_2);
    __pyx_t_13 = 0;
    __pyx_t_14 = 0;
    __pyx_t_2 = 0;
    __pyx_t_2 = NULL;
    __pyx_t_4 = 0;
    if (CYTHON_COMPILING_IN_CPYTHON && unlikely(PyMethod_Check(__pyx_t_15))) {
      __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_15);
      if (likely(__pyx_t_2)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_15);
        __Pyx_INCREF(__pyx_t_2);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_15, function);
        __pyx_t_4 = 1;
      }
    }
    __pyx_t_14 = PyTuple_New(2+__pyx_t_4); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_14);
    if (__pyx_t_2) {
      __Pyx_GIVEREF(__pyx_t_2); PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_t_2); __pyx_t_2 = NULL;
    }
    __Pyx_GIVEREF(__pyx_t_30);
    PyTuple_SET_ITEM(__pyx_t_14, 0+__pyx_t_4, __pyx_t_30);
    __Pyx_INCREF(__pyx_n_s_float64);
    __Pyx_GIVEREF(__pyx_n_s_float64);
    PyTuple_SET_ITEM(__pyx_t_14, 1+__pyx_t_4, __pyx_n_s_float64);
    __pyx_t_30 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_15, __pyx_t_14, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_31 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rg.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_rg.rcbuffer->pybuffer, (PyObject*)__pyx_t_31, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 4, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_10, &__pyx_t_9, &__pyx_t_8);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_rg.rcbuffer->pybuffer, (PyObject*)__pyx_v_rg, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 4, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_8);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_10, __pyx_t_9, __pyx_t_8);
        }
      }
      __pyx_pybuffernd_rg.diminfo[0].strides = __pyx_pybuffernd_rg.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_rg.diminfo[0].shape = __pyx_pybuffernd_rg.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_rg.diminfo[1].strides = __pyx_pybuffernd_rg.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_rg.diminfo[1].shape = __pyx_pybuffernd_rg.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_rg.diminfo[2].strides = __pyx_pybuffernd_rg.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_rg.diminfo[2].shape = __pyx_pybuffernd_rg.rcbuffer->pybuffer.shape[2]; __pyx_pybuffernd_rg.diminfo[3].strides = __pyx_pybuffernd_rg.rcbuffer->pybuffer.strides[3]; __pyx_pybuffernd_rg.diminfo[3].shape = __pyx_pybuffernd_rg.rcbuffer->pybuffer.shape[3];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_31 = 0;
    __pyx_v_rg = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":107
 *         zg = data['z']
 *         rg = np.empty((3, xg.shape[0], xg.shape[1], xg.shape[2]), 'float64')
 *         for i in range(xg.shape[0]):             # <<<<<<<<<<<<<<
 *             for j in range(xg.shape[1]):
 *                 for k in range(xg.shape[2]):
 */
    __pyx_t_17 = (__pyx_v_xg->dimensions[0]);
    for (__pyx_t_7 = 0; __pyx_t_7 < __pyx_t_17; __pyx_t_7+=1) {
      __pyx_v_i = __pyx_t_7;

      /* "yt/utilities/lib/geometry_utils.pyx":108
 *         rg = np.empty((3, xg.shape[0], xg.shape[1], xg.shape[2]), 'float64')
 *         for i in range(xg.shape[0]):
 *             for j in range(xg.shape[1]):             # <<<<<<<<<<<<<<
 *                 for k in range(xg.shape[2]):
 *                     rg[0,i,j,k] = xg[i,j,k] - c[0]
 */
      __pyx_t_32 = (__pyx_v_xg->dimensions[1]);
      for (__pyx_t_33 = 0; __pyx_t_33 < __pyx_t_32; __pyx_t_33+=1) {
        __pyx_v_j = __pyx_t_33;

        /* "yt/utilities/lib/geometry_utils.pyx":109
 *         for i in range(xg.shape[0]):
 *             for j in range(xg.shape[1]):
 *                 for k in range(xg.shape[2]):             # <<<<<<<<<<<<<<
 *                     rg[0,i,j,k] = xg[i,j,k] - c[0]
 *                     rg[1,i,j,k] = yg[i,j,k] - c[1]
 */
        __pyx_t_34 = (__pyx_v_xg->dimensions[2]);
        for (__pyx_t_35 = 0; __pyx_t_35 < __pyx_t_34; __pyx_t_35+=1) {
          __pyx_v_k = __pyx_t_35;

          /* "yt/utilities/lib/geometry_utils.pyx":110
 *             for j in range(xg.shape[1]):
 *                 for k in range(xg.shape[2]):
 *                     rg[0,i,j,k] = xg[i,j,k] - c[0]             # <<<<<<<<<<<<<<
 *                     rg[1,i,j,k] = yg[i,j,k] - c[1]
 *                     rg[2,i,j,k] = zg[i,j,k] - c[2]
 */
          __pyx_t_36 = __pyx_v_i;
          __pyx_t_37 = __pyx_v_j;
          __pyx_t_38 = __pyx_v_k;
          __pyx_t_39 = 0;
          __pyx_t_40 = __pyx_v_i;
          __pyx_t_41 = __pyx_v_j;
          __pyx_t_42 = __pyx_v_k;
          *__Pyx_BufPtrStrided4d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rg.rcbuffer->pybuffer.buf, __pyx_t_39, __pyx_pybuffernd_rg.diminfo[0].strides, __pyx_t_40, __pyx_pybuffernd_rg.diminfo[1].strides, __pyx_t_41, __pyx_pybuffernd_rg.diminfo[2].strides, __pyx_t_42, __pyx_pybuffernd_rg.diminfo[3].strides) = ((*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_xg.rcbuffer->pybuffer.buf, __pyx_t_36, __pyx_pybuffernd_xg.diminfo[0].strides, __pyx_t_37, __pyx_pybuffernd_xg.diminfo[1].strides, __pyx_t_38, __pyx_pybuffernd_xg.diminfo[2].strides)) - (__pyx_v_c[0]));

          /* "yt/utilities/lib/geometry_utils.pyx":111
 *                 for k in range(xg.shape[2]):
 *                     rg[0,i,j,k] = xg[i,j,k] - c[0]
 *                     rg[1,i,j,k] = yg[i,j,k] - c[1]             # <<<<<<<<<<<<<<
 *                     rg[2,i,j,k] = zg[i,j,k] - c[2]
 *         return rg
 */
          __pyx_t_43 = __pyx_v_i;
          __pyx_t_44 = __pyx_v_j;
          __pyx_t_45 = __pyx_v_k;
          __pyx_t_46 = 1;
          __pyx_t_47 = __pyx_v_i;
          __pyx_t_48 = __pyx_v_j;
          __pyx_t_49 = __pyx_v_k;
          *__Pyx_BufPtrStrided4d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rg.rcbuffer->pybuffer.buf, __pyx_t_46, __pyx_pybuffernd_rg.diminfo[0].strides, __pyx_t_47, __pyx_pybuffernd_rg.diminfo[1].strides, __pyx_t_48, __pyx_pybuffernd_rg.diminfo[2].strides, __pyx_t_49, __pyx_pybuffernd_rg.diminfo[3].strides) = ((*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_yg.rcbuffer->pybuffer.buf, __pyx_t_43, __pyx_pybuffernd_yg.diminfo[0].strides, __pyx_t_44, __pyx_pybuffernd_yg.diminfo[1].strides, __pyx_t_45, __pyx_pybuffernd_yg.diminfo[2].strides)) - (__pyx_v_c[1]));

          /* "yt/utilities/lib/geometry_utils.pyx":112
 *                     rg[0,i,j,k] = xg[i,j,k] - c[0]
 *                     rg[1,i,j,k] = yg[i,j,k] - c[1]
 *                     rg[2,i,j,k] = zg[i,j,k] - c[2]             # <<<<<<<<<<<<<<
 *         return rg
 * 
 */
          __pyx_t_50 = __pyx_v_i;
          __pyx_t_51 = __pyx_v_j;
          __pyx_t_52 = __pyx_v_k;
          __pyx_t_53 = 2;
          __pyx_t_54 = __pyx_v_i;
          __pyx_t_55 = __pyx_v_j;
          __pyx_t_56 = __pyx_v_k;
          *__Pyx_BufPtrStrided4d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rg.rcbuffer->pybuffer.buf, __pyx_t_53, __pyx_pybuffernd_rg.diminfo[0].strides, __pyx_t_54, __pyx_pybuffernd_rg.diminfo[1].strides, __pyx_t_55, __pyx_pybuffernd_rg.diminfo[2].strides, __pyx_t_56, __pyx_pybuffernd_rg.diminfo[3].strides) = ((*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_zg.rcbuffer->pybuffer.buf, __pyx_t_50, __pyx_pybuffernd_zg.diminfo[0].strides, __pyx_t_51, __pyx_pybuffernd_zg.diminfo[1].strides, __pyx_t_52, __pyx_pybuffernd_zg.diminfo[2].strides)) - (__pyx_v_c[2]));
        }
      }
    }

    /* "yt/utilities/lib/geometry_utils.pyx":113
 *                     rg[1,i,j,k] = yg[i,j,k] - c[1]
 *                     rg[2,i,j,k] = zg[i,j,k] - c[2]
 *         return rg             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
    __Pyx_XDECREF(__pyx_r);
    __Pyx_INCREF(((PyObject *)__pyx_v_rg));
    __pyx_r = ((PyObject *)__pyx_v_rg);
    goto __pyx_L0;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":75
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def obtain_rvec(data):             # <<<<<<<<<<<<<<
 *     # This is just to let the pointers exist and whatnot.  We can't cdef them
 *     # inside conditionals.
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_13);
  __Pyx_XDECREF(__pyx_t_14);
  __Pyx_XDECREF(__pyx_t_15);
  __Pyx_XDECREF(__pyx_t_30);
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rf.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rg.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_xf.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_xg.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_yf.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_yg.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_zf.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_zg.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.obtain_rvec", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rf.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rg.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_xf.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_xg.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_yf.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_yg.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_zf.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_zg.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_xf);
  __Pyx_XDECREF((PyObject *)__pyx_v_yf);
  __Pyx_XDECREF((PyObject *)__pyx_v_zf);
  __Pyx_XDECREF((PyObject *)__pyx_v_rf);
  __Pyx_XDECREF((PyObject *)__pyx_v_xg);
  __Pyx_XDECREF((PyObject *)__pyx_v_yg);
  __Pyx_XDECREF((PyObject *)__pyx_v_zg);
  __Pyx_XDECREF((PyObject *)__pyx_v_rg);
  __Pyx_XDECREF(__pyx_v_center);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":118
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t graycode(np.int64_t x):             # <<<<<<<<<<<<<<
 *     return x^(x>>1)
 * 
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_graycode(__pyx_t_5numpy_int64_t __pyx_v_x) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("graycode", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":119
 * @cython.wraparound(False)
 * cdef np.int64_t graycode(np.int64_t x):
 *     return x^(x>>1)             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_r = (__pyx_v_x ^ (__pyx_v_x >> 1));
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":118
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t graycode(np.int64_t x):             # <<<<<<<<<<<<<<
 *     return x^(x>>1)
 * 
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":124
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t igraycode(np.int64_t x):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t i, j
 *     if x == 0:
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_igraycode(__pyx_t_5numpy_int64_t __pyx_v_x) {
  __pyx_t_5numpy_int64_t __pyx_v_i;
  __pyx_t_5numpy_int64_t __pyx_v_j;
  __pyx_t_5numpy_int64_t __pyx_v_m;
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __pyx_t_5numpy_int64_t __pyx_t_2;
  __pyx_t_5numpy_int64_t __pyx_t_3;
  __Pyx_RefNannySetupContext("igraycode", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":126
 * cdef np.int64_t igraycode(np.int64_t x):
 *     cdef np.int64_t i, j
 *     if x == 0:             # <<<<<<<<<<<<<<
 *         return x
 *     m = <np.int64_t> ceil(log2(x)) + 1
 */
  __pyx_t_1 = ((__pyx_v_x == 0) != 0);
  if (__pyx_t_1) {

    /* "yt/utilities/lib/geometry_utils.pyx":127
 *     cdef np.int64_t i, j
 *     if x == 0:
 *         return x             # <<<<<<<<<<<<<<
 *     m = <np.int64_t> ceil(log2(x)) + 1
 *     i, j = x, 1
 */
    __pyx_r = __pyx_v_x;
    goto __pyx_L0;

    /* "yt/utilities/lib/geometry_utils.pyx":126
 * cdef np.int64_t igraycode(np.int64_t x):
 *     cdef np.int64_t i, j
 *     if x == 0:             # <<<<<<<<<<<<<<
 *         return x
 *     m = <np.int64_t> ceil(log2(x)) + 1
 */
  }

  /* "yt/utilities/lib/geometry_utils.pyx":128
 *     if x == 0:
 *         return x
 *     m = <np.int64_t> ceil(log2(x)) + 1             # <<<<<<<<<<<<<<
 *     i, j = x, 1
 *     while j < m:
 */
  __pyx_v_m = (((__pyx_t_5numpy_int64_t)ceil(log2(__pyx_v_x))) + 1);

  /* "yt/utilities/lib/geometry_utils.pyx":129
 *         return x
 *     m = <np.int64_t> ceil(log2(x)) + 1
 *     i, j = x, 1             # <<<<<<<<<<<<<<
 *     while j < m:
 *         i = i ^ (x>>j)
 */
  __pyx_t_2 = __pyx_v_x;
  __pyx_t_3 = 1;
  __pyx_v_i = __pyx_t_2;
  __pyx_v_j = __pyx_t_3;

  /* "yt/utilities/lib/geometry_utils.pyx":130
 *     m = <np.int64_t> ceil(log2(x)) + 1
 *     i, j = x, 1
 *     while j < m:             # <<<<<<<<<<<<<<
 *         i = i ^ (x>>j)
 *         j += 1
 */
  while (1) {
    __pyx_t_1 = ((__pyx_v_j < __pyx_v_m) != 0);
    if (!__pyx_t_1) break;

    /* "yt/utilities/lib/geometry_utils.pyx":131
 *     i, j = x, 1
 *     while j < m:
 *         i = i ^ (x>>j)             # <<<<<<<<<<<<<<
 *         j += 1
 *     return i
 */
    __pyx_v_i = (__pyx_v_i ^ (__pyx_v_x >> __pyx_v_j));

    /* "yt/utilities/lib/geometry_utils.pyx":132
 *     while j < m:
 *         i = i ^ (x>>j)
 *         j += 1             # <<<<<<<<<<<<<<
 *     return i
 * 
 */
    __pyx_v_j = (__pyx_v_j + 1);
  }

  /* "yt/utilities/lib/geometry_utils.pyx":133
 *         i = i ^ (x>>j)
 *         j += 1
 *     return i             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_r = __pyx_v_i;
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":124
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t igraycode(np.int64_t x):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t i, j
 *     if x == 0:
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":138
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t direction(np.int64_t x, np.int64_t n):             # <<<<<<<<<<<<<<
 *     #assert x < 2**n
 *     if x == 0:
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_direction(__pyx_t_5numpy_int64_t __pyx_v_x, __pyx_t_5numpy_int64_t __pyx_v_n) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __Pyx_RefNannySetupContext("direction", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":140
 * cdef np.int64_t direction(np.int64_t x, np.int64_t n):
 *     #assert x < 2**n
 *     if x == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     elif x%2 == 0:
 */
  __pyx_t_1 = ((__pyx_v_x == 0) != 0);
  if (__pyx_t_1) {

    /* "yt/utilities/lib/geometry_utils.pyx":141
 *     #assert x < 2**n
 *     if x == 0:
 *         return 0             # <<<<<<<<<<<<<<
 *     elif x%2 == 0:
 *         return tsb(x-1, n)%n
 */
    __pyx_r = 0;
    goto __pyx_L0;

    /* "yt/utilities/lib/geometry_utils.pyx":140
 * cdef np.int64_t direction(np.int64_t x, np.int64_t n):
 *     #assert x < 2**n
 *     if x == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     elif x%2 == 0:
 */
  }

  /* "yt/utilities/lib/geometry_utils.pyx":142
 *     if x == 0:
 *         return 0
 *     elif x%2 == 0:             # <<<<<<<<<<<<<<
 *         return tsb(x-1, n)%n
 *     else:
 */
  __pyx_t_1 = (((__pyx_v_x % 2) == 0) != 0);
  if (__pyx_t_1) {

    /* "yt/utilities/lib/geometry_utils.pyx":143
 *         return 0
 *     elif x%2 == 0:
 *         return tsb(x-1, n)%n             # <<<<<<<<<<<<<<
 *     else:
 *         return tsb(x, n)%n
 */
    __pyx_r = (__pyx_f_2yt_9utilities_3lib_14geometry_utils_tsb((__pyx_v_x - 1), __pyx_v_n) % __pyx_v_n);
    goto __pyx_L0;

    /* "yt/utilities/lib/geometry_utils.pyx":142
 *     if x == 0:
 *         return 0
 *     elif x%2 == 0:             # <<<<<<<<<<<<<<
 *         return tsb(x-1, n)%n
 *     else:
 */
  }

  /* "yt/utilities/lib/geometry_utils.pyx":145
 *         return tsb(x-1, n)%n
 *     else:
 *         return tsb(x, n)%n             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  /*else*/ {
    __pyx_r = (__pyx_f_2yt_9utilities_3lib_14geometry_utils_tsb(__pyx_v_x, __pyx_v_n) % __pyx_v_n);
    goto __pyx_L0;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":138
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t direction(np.int64_t x, np.int64_t n):             # <<<<<<<<<<<<<<
 *     #assert x < 2**n
 *     if x == 0:
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":150
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t tsb(np.int64_t x, np.int64_t width):             # <<<<<<<<<<<<<<
 *     #assert x < 2**width
 *     cdef np.int64_t i = 0
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_tsb(__pyx_t_5numpy_int64_t __pyx_v_x, __pyx_t_5numpy_int64_t __pyx_v_width) {
  __pyx_t_5numpy_int64_t __pyx_v_i;
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  __Pyx_RefNannySetupContext("tsb", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":152
 * cdef np.int64_t tsb(np.int64_t x, np.int64_t width):
 *     #assert x < 2**width
 *     cdef np.int64_t i = 0             # <<<<<<<<<<<<<<
 *     while x&1 and i <= width:
 *         x = x >> 1
 */
  __pyx_v_i = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":153
 *     #assert x < 2**width
 *     cdef np.int64_t i = 0
 *     while x&1 and i <= width:             # <<<<<<<<<<<<<<
 *         x = x >> 1
 *         i += 1
 */
  while (1) {
    __pyx_t_2 = ((__pyx_v_x & 1) != 0);
    if (__pyx_t_2) {
    } else {
      __pyx_t_1 = __pyx_t_2;
      goto __pyx_L5_bool_binop_done;
    }
    __pyx_t_2 = ((__pyx_v_i <= __pyx_v_width) != 0);
    __pyx_t_1 = __pyx_t_2;
    __pyx_L5_bool_binop_done:;
    if (!__pyx_t_1) break;

    /* "yt/utilities/lib/geometry_utils.pyx":154
 *     cdef np.int64_t i = 0
 *     while x&1 and i <= width:
 *         x = x >> 1             # <<<<<<<<<<<<<<
 *         i += 1
 *     return i
 */
    __pyx_v_x = (__pyx_v_x >> 1);

    /* "yt/utilities/lib/geometry_utils.pyx":155
 *     while x&1 and i <= width:
 *         x = x >> 1
 *         i += 1             # <<<<<<<<<<<<<<
 *     return i
 * 
 */
    __pyx_v_i = (__pyx_v_i + 1);
  }

  /* "yt/utilities/lib/geometry_utils.pyx":156
 *         x = x >> 1
 *         i += 1
 *     return i             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_r = __pyx_v_i;
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":150
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t tsb(np.int64_t x, np.int64_t width):             # <<<<<<<<<<<<<<
 *     #assert x < 2**width
 *     cdef np.int64_t i = 0
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":161
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t bitrange(np.int64_t x, np.int64_t width,             # <<<<<<<<<<<<<<
 *                          np.int64_t start, np.int64_t end):
 *     return x >> (width-end) & ((2**(end-start))-1)
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_bitrange(__pyx_t_5numpy_int64_t __pyx_v_x, __pyx_t_5numpy_int64_t __pyx_v_width, __pyx_t_5numpy_int64_t __pyx_v_start, __pyx_t_5numpy_int64_t __pyx_v_end) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("bitrange", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":163
 * cdef np.int64_t bitrange(np.int64_t x, np.int64_t width,
 *                          np.int64_t start, np.int64_t end):
 *     return x >> (width-end) & ((2**(end-start))-1)             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_r = ((__pyx_v_x >> (__pyx_v_width - __pyx_v_end)) & (__Pyx_pow___pyx_t_5numpy_int64_t(2, (__pyx_v_end - __pyx_v_start)) - 1));
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":161
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t bitrange(np.int64_t x, np.int64_t width,             # <<<<<<<<<<<<<<
 *                          np.int64_t start, np.int64_t end):
 *     return x >> (width-end) & ((2**(end-start))-1)
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":168
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t rrot(np.int64_t x, np.int64_t i, np.int64_t width):             # <<<<<<<<<<<<<<
 *     i = i%width
 *     x = (x>>i) | (x<<width-i)
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_rrot(__pyx_t_5numpy_int64_t __pyx_v_x, __pyx_t_5numpy_int64_t __pyx_v_i, __pyx_t_5numpy_int64_t __pyx_v_width) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("rrot", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":169
 * @cython.wraparound(False)
 * cdef np.int64_t rrot(np.int64_t x, np.int64_t i, np.int64_t width):
 *     i = i%width             # <<<<<<<<<<<<<<
 *     x = (x>>i) | (x<<width-i)
 *     return x&(2**width-1)
 */
  __pyx_v_i = (__pyx_v_i % __pyx_v_width);

  /* "yt/utilities/lib/geometry_utils.pyx":170
 * cdef np.int64_t rrot(np.int64_t x, np.int64_t i, np.int64_t width):
 *     i = i%width
 *     x = (x>>i) | (x<<width-i)             # <<<<<<<<<<<<<<
 *     return x&(2**width-1)
 * 
 */
  __pyx_v_x = ((__pyx_v_x >> __pyx_v_i) | (__pyx_v_x << (__pyx_v_width - __pyx_v_i)));

  /* "yt/utilities/lib/geometry_utils.pyx":171
 *     i = i%width
 *     x = (x>>i) | (x<<width-i)
 *     return x&(2**width-1)             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_r = (__pyx_v_x & (__Pyx_pow___pyx_t_5numpy_int64_t(2, __pyx_v_width) - 1));
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":168
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t rrot(np.int64_t x, np.int64_t i, np.int64_t width):             # <<<<<<<<<<<<<<
 *     i = i%width
 *     x = (x>>i) | (x<<width-i)
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":176
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t lrot(np.int64_t x, np.int64_t i, np.int64_t width):             # <<<<<<<<<<<<<<
 *     i = i%width
 *     x = (x<<i) | (x>>width-i)
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_lrot(__pyx_t_5numpy_int64_t __pyx_v_x, __pyx_t_5numpy_int64_t __pyx_v_i, __pyx_t_5numpy_int64_t __pyx_v_width) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("lrot", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":177
 * @cython.wraparound(False)
 * cdef np.int64_t lrot(np.int64_t x, np.int64_t i, np.int64_t width):
 *     i = i%width             # <<<<<<<<<<<<<<
 *     x = (x<<i) | (x>>width-i)
 *     return x&(2**width-1)
 */
  __pyx_v_i = (__pyx_v_i % __pyx_v_width);

  /* "yt/utilities/lib/geometry_utils.pyx":178
 * cdef np.int64_t lrot(np.int64_t x, np.int64_t i, np.int64_t width):
 *     i = i%width
 *     x = (x<<i) | (x>>width-i)             # <<<<<<<<<<<<<<
 *     return x&(2**width-1)
 * 
 */
  __pyx_v_x = ((__pyx_v_x << __pyx_v_i) | (__pyx_v_x >> (__pyx_v_width - __pyx_v_i)));

  /* "yt/utilities/lib/geometry_utils.pyx":179
 *     i = i%width
 *     x = (x<<i) | (x>>width-i)
 *     return x&(2**width-1)             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_r = (__pyx_v_x & (__Pyx_pow___pyx_t_5numpy_int64_t(2, __pyx_v_width) - 1));
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":176
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t lrot(np.int64_t x, np.int64_t i, np.int64_t width):             # <<<<<<<<<<<<<<
 *     i = i%width
 *     x = (x<<i) | (x>>width-i)
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":184
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t transform(np.int64_t entry, np.int64_t direction,             # <<<<<<<<<<<<<<
 *                           np.int64_t width, np.int64_t x):
 *     return rrot((x^entry), direction + 1, width)
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_transform(__pyx_t_5numpy_int64_t __pyx_v_entry, __pyx_t_5numpy_int64_t __pyx_v_direction, __pyx_t_5numpy_int64_t __pyx_v_width, __pyx_t_5numpy_int64_t __pyx_v_x) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("transform", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":186
 * cdef np.int64_t transform(np.int64_t entry, np.int64_t direction,
 *                           np.int64_t width, np.int64_t x):
 *     return rrot((x^entry), direction + 1, width)             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_r = __pyx_f_2yt_9utilities_3lib_14geometry_utils_rrot((__pyx_v_x ^ __pyx_v_entry), (__pyx_v_direction + 1), __pyx_v_width);
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":184
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t transform(np.int64_t entry, np.int64_t direction,             # <<<<<<<<<<<<<<
 *                           np.int64_t width, np.int64_t x):
 *     return rrot((x^entry), direction + 1, width)
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":191
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t entry(np.int64_t x):             # <<<<<<<<<<<<<<
 *     if x == 0: return 0
 *     return graycode(2*((x-1)/2))
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_entry(__pyx_t_5numpy_int64_t __pyx_v_x) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __Pyx_RefNannySetupContext("entry", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":192
 * @cython.wraparound(False)
 * cdef np.int64_t entry(np.int64_t x):
 *     if x == 0: return 0             # <<<<<<<<<<<<<<
 *     return graycode(2*((x-1)/2))
 * 
 */
  __pyx_t_1 = ((__pyx_v_x == 0) != 0);
  if (__pyx_t_1) {
    __pyx_r = 0;
    goto __pyx_L0;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":193
 * cdef np.int64_t entry(np.int64_t x):
 *     if x == 0: return 0
 *     return graycode(2*((x-1)/2))             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_r = __pyx_f_2yt_9utilities_3lib_14geometry_utils_graycode((2 * ((__pyx_v_x - 1) / 2)));
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":191
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t entry(np.int64_t x):             # <<<<<<<<<<<<<<
 *     if x == 0: return 0
 *     return graycode(2*((x-1)/2))
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":198
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t setbit(np.int64_t x, np.int64_t w, np.int64_t i, np.int64_t b):             # <<<<<<<<<<<<<<
 *     if b == 1:
 *         return x | 2**(w-i-1)
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_setbit(__pyx_t_5numpy_int64_t __pyx_v_x, __pyx_t_5numpy_int64_t __pyx_v_w, __pyx_t_5numpy_int64_t __pyx_v_i, __pyx_t_5numpy_int64_t __pyx_v_b) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("setbit", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":199
 * @cython.wraparound(False)
 * cdef np.int64_t setbit(np.int64_t x, np.int64_t w, np.int64_t i, np.int64_t b):
 *     if b == 1:             # <<<<<<<<<<<<<<
 *         return x | 2**(w-i-1)
 *     elif b == 0:
 */
  switch (__pyx_v_b) {
    case 1:

    /* "yt/utilities/lib/geometry_utils.pyx":200
 * cdef np.int64_t setbit(np.int64_t x, np.int64_t w, np.int64_t i, np.int64_t b):
 *     if b == 1:
 *         return x | 2**(w-i-1)             # <<<<<<<<<<<<<<
 *     elif b == 0:
 *         return x & ~2**(w-i-1)
 */
    __pyx_r = (__pyx_v_x | __Pyx_pow___pyx_t_5numpy_int64_t(2, ((__pyx_v_w - __pyx_v_i) - 1)));
    goto __pyx_L0;

    /* "yt/utilities/lib/geometry_utils.pyx":199
 * @cython.wraparound(False)
 * cdef np.int64_t setbit(np.int64_t x, np.int64_t w, np.int64_t i, np.int64_t b):
 *     if b == 1:             # <<<<<<<<<<<<<<
 *         return x | 2**(w-i-1)
 *     elif b == 0:
 */
    break;

    /* "yt/utilities/lib/geometry_utils.pyx":201
 *     if b == 1:
 *         return x | 2**(w-i-1)
 *     elif b == 0:             # <<<<<<<<<<<<<<
 *         return x & ~2**(w-i-1)
 * 
 */
    case 0:

    /* "yt/utilities/lib/geometry_utils.pyx":202
 *         return x | 2**(w-i-1)
 *     elif b == 0:
 *         return x & ~2**(w-i-1)             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
    __pyx_r = (__pyx_v_x & (~__Pyx_pow___pyx_t_5numpy_int64_t(2, ((__pyx_v_w - __pyx_v_i) - 1))));
    goto __pyx_L0;

    /* "yt/utilities/lib/geometry_utils.pyx":201
 *     if b == 1:
 *         return x | 2**(w-i-1)
 *     elif b == 0:             # <<<<<<<<<<<<<<
 *         return x & ~2**(w-i-1)
 * 
 */
    break;
    default: break;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":198
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t setbit(np.int64_t x, np.int64_t w, np.int64_t i, np.int64_t b):             # <<<<<<<<<<<<<<
 *     if b == 1:
 *         return x | 2**(w-i-1)
 */

  /* function exit code */
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":207
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t point_to_hilbert(int order, np.int64_t p[3]):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t h, e, d, l, b, w, i, x
 *     h = e = d = 0
 */

static __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_point_to_hilbert(int __pyx_v_order, __pyx_t_5numpy_int64_t *__pyx_v_p) {
  __pyx_t_5numpy_int64_t __pyx_v_h;
  __pyx_t_5numpy_int64_t __pyx_v_e;
  __pyx_t_5numpy_int64_t __pyx_v_d;
  __pyx_t_5numpy_int64_t __pyx_v_l;
  __pyx_t_5numpy_int64_t __pyx_v_b;
  __pyx_t_5numpy_int64_t __pyx_v_w;
  __pyx_t_5numpy_int64_t __pyx_v_i;
  __pyx_t_5numpy_int64_t __pyx_v_x;
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __pyx_t_5numpy_int64_t __pyx_t_2;
  __pyx_t_5numpy_int64_t __pyx_t_3;
  __Pyx_RefNannySetupContext("point_to_hilbert", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":209
 * cdef np.int64_t point_to_hilbert(int order, np.int64_t p[3]):
 *     cdef np.int64_t h, e, d, l, b, w, i, x
 *     h = e = d = 0             # <<<<<<<<<<<<<<
 *     for i in range(order):
 *         l = 0
 */
  __pyx_v_h = 0;
  __pyx_v_e = 0;
  __pyx_v_d = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":210
 *     cdef np.int64_t h, e, d, l, b, w, i, x
 *     h = e = d = 0
 *     for i in range(order):             # <<<<<<<<<<<<<<
 *         l = 0
 *         for x in range(3):
 */
  __pyx_t_1 = __pyx_v_order;
  for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
    __pyx_v_i = __pyx_t_2;

    /* "yt/utilities/lib/geometry_utils.pyx":211
 *     h = e = d = 0
 *     for i in range(order):
 *         l = 0             # <<<<<<<<<<<<<<
 *         for x in range(3):
 *             b = bitrange(p[3-x-1], order, i, i+1)
 */
    __pyx_v_l = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":212
 *     for i in range(order):
 *         l = 0
 *         for x in range(3):             # <<<<<<<<<<<<<<
 *             b = bitrange(p[3-x-1], order, i, i+1)
 *             l |= (b<<x)
 */
    for (__pyx_t_3 = 0; __pyx_t_3 < 3; __pyx_t_3+=1) {
      __pyx_v_x = __pyx_t_3;

      /* "yt/utilities/lib/geometry_utils.pyx":213
 *         l = 0
 *         for x in range(3):
 *             b = bitrange(p[3-x-1], order, i, i+1)             # <<<<<<<<<<<<<<
 *             l |= (b<<x)
 *         l = transform(e, d, 3, l)
 */
      __pyx_v_b = __pyx_f_2yt_9utilities_3lib_14geometry_utils_bitrange((__pyx_v_p[((3 - __pyx_v_x) - 1)]), __pyx_v_order, __pyx_v_i, (__pyx_v_i + 1));

      /* "yt/utilities/lib/geometry_utils.pyx":214
 *         for x in range(3):
 *             b = bitrange(p[3-x-1], order, i, i+1)
 *             l |= (b<<x)             # <<<<<<<<<<<<<<
 *         l = transform(e, d, 3, l)
 *         w = igraycode(l)
 */
      __pyx_v_l = (__pyx_v_l | (__pyx_v_b << __pyx_v_x));
    }

    /* "yt/utilities/lib/geometry_utils.pyx":215
 *             b = bitrange(p[3-x-1], order, i, i+1)
 *             l |= (b<<x)
 *         l = transform(e, d, 3, l)             # <<<<<<<<<<<<<<
 *         w = igraycode(l)
 *         e = e ^ lrot(entry(w), d+1, 3)
 */
    __pyx_v_l = __pyx_f_2yt_9utilities_3lib_14geometry_utils_transform(__pyx_v_e, __pyx_v_d, 3, __pyx_v_l);

    /* "yt/utilities/lib/geometry_utils.pyx":216
 *             l |= (b<<x)
 *         l = transform(e, d, 3, l)
 *         w = igraycode(l)             # <<<<<<<<<<<<<<
 *         e = e ^ lrot(entry(w), d+1, 3)
 *         d = (d + direction(w, 3) + 1)%3
 */
    __pyx_v_w = __pyx_f_2yt_9utilities_3lib_14geometry_utils_igraycode(__pyx_v_l);

    /* "yt/utilities/lib/geometry_utils.pyx":217
 *         l = transform(e, d, 3, l)
 *         w = igraycode(l)
 *         e = e ^ lrot(entry(w), d+1, 3)             # <<<<<<<<<<<<<<
 *         d = (d + direction(w, 3) + 1)%3
 *         h = (h<<3)|w
 */
    __pyx_v_e = (__pyx_v_e ^ __pyx_f_2yt_9utilities_3lib_14geometry_utils_lrot(__pyx_f_2yt_9utilities_3lib_14geometry_utils_entry(__pyx_v_w), (__pyx_v_d + 1), 3));

    /* "yt/utilities/lib/geometry_utils.pyx":218
 *         w = igraycode(l)
 *         e = e ^ lrot(entry(w), d+1, 3)
 *         d = (d + direction(w, 3) + 1)%3             # <<<<<<<<<<<<<<
 *         h = (h<<3)|w
 *     return h
 */
    __pyx_v_d = (((__pyx_v_d + __pyx_f_2yt_9utilities_3lib_14geometry_utils_direction(__pyx_v_w, 3)) + 1) % 3);

    /* "yt/utilities/lib/geometry_utils.pyx":219
 *         e = e ^ lrot(entry(w), d+1, 3)
 *         d = (d + direction(w, 3) + 1)%3
 *         h = (h<<3)|w             # <<<<<<<<<<<<<<
 *     return h
 * 
 */
    __pyx_v_h = ((__pyx_v_h << 3) | __pyx_v_w);
  }

  /* "yt/utilities/lib/geometry_utils.pyx":220
 *         d = (d + direction(w, 3) + 1)%3
 *         h = (h<<3)|w
 *     return h             # <<<<<<<<<<<<<<
 * 
 * #def hilbert_point(dimension, order, h):
 */
  __pyx_r = __pyx_v_h;
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":207
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t point_to_hilbert(int order, np.int64_t p[3]):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t h, e, d, l, b, w, i, x
 *     h = e = d = 0
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":249
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef void hilbert_to_point(int order, np.int64_t h, np.int64_t *p):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t hwidth, e, d, w, l, b
 *     cdef int i, j
 */

static void __pyx_f_2yt_9utilities_3lib_14geometry_utils_hilbert_to_point(int __pyx_v_order, __pyx_t_5numpy_int64_t __pyx_v_h, __pyx_t_5numpy_int64_t *__pyx_v_p) {
  __pyx_t_5numpy_int64_t __pyx_v_hwidth;
  __pyx_t_5numpy_int64_t __pyx_v_e;
  __pyx_t_5numpy_int64_t __pyx_v_d;
  __pyx_t_5numpy_int64_t __pyx_v_w;
  __pyx_t_5numpy_int64_t __pyx_v_l;
  __pyx_t_5numpy_int64_t __pyx_v_b;
  int __pyx_v_i;
  int __pyx_v_j;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  int __pyx_t_3;
  __Pyx_RefNannySetupContext("hilbert_to_point", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":252
 *     cdef np.int64_t hwidth, e, d, w, l, b
 *     cdef int i, j
 *     hwidth = 3 * order             # <<<<<<<<<<<<<<
 *     e = d = p[0] = p[1] = p[2] = 0
 *     for i in range(order):
 */
  __pyx_v_hwidth = (3 * __pyx_v_order);

  /* "yt/utilities/lib/geometry_utils.pyx":253
 *     cdef int i, j
 *     hwidth = 3 * order
 *     e = d = p[0] = p[1] = p[2] = 0             # <<<<<<<<<<<<<<
 *     for i in range(order):
 *         w = bitrange(h, hwidth, i*3, i*3+3)
 */
  __pyx_v_e = 0;
  __pyx_v_d = 0;
  (__pyx_v_p[0]) = 0;
  (__pyx_v_p[1]) = 0;
  (__pyx_v_p[2]) = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":254
 *     hwidth = 3 * order
 *     e = d = p[0] = p[1] = p[2] = 0
 *     for i in range(order):             # <<<<<<<<<<<<<<
 *         w = bitrange(h, hwidth, i*3, i*3+3)
 *         l = graycode(w)
 */
  __pyx_t_1 = __pyx_v_order;
  for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
    __pyx_v_i = __pyx_t_2;

    /* "yt/utilities/lib/geometry_utils.pyx":255
 *     e = d = p[0] = p[1] = p[2] = 0
 *     for i in range(order):
 *         w = bitrange(h, hwidth, i*3, i*3+3)             # <<<<<<<<<<<<<<
 *         l = graycode(w)
 *         l = lrot(l, d +1, 3)^e
 */
    __pyx_v_w = __pyx_f_2yt_9utilities_3lib_14geometry_utils_bitrange(__pyx_v_h, __pyx_v_hwidth, (__pyx_v_i * 3), ((__pyx_v_i * 3) + 3));

    /* "yt/utilities/lib/geometry_utils.pyx":256
 *     for i in range(order):
 *         w = bitrange(h, hwidth, i*3, i*3+3)
 *         l = graycode(w)             # <<<<<<<<<<<<<<
 *         l = lrot(l, d +1, 3)^e
 *         for j in range(3):
 */
    __pyx_v_l = __pyx_f_2yt_9utilities_3lib_14geometry_utils_graycode(__pyx_v_w);

    /* "yt/utilities/lib/geometry_utils.pyx":257
 *         w = bitrange(h, hwidth, i*3, i*3+3)
 *         l = graycode(w)
 *         l = lrot(l, d +1, 3)^e             # <<<<<<<<<<<<<<
 *         for j in range(3):
 *             b = bitrange(l, 3, j, j+1)
 */
    __pyx_v_l = (__pyx_f_2yt_9utilities_3lib_14geometry_utils_lrot(__pyx_v_l, (__pyx_v_d + 1), 3) ^ __pyx_v_e);

    /* "yt/utilities/lib/geometry_utils.pyx":258
 *         l = graycode(w)
 *         l = lrot(l, d +1, 3)^e
 *         for j in range(3):             # <<<<<<<<<<<<<<
 *             b = bitrange(l, 3, j, j+1)
 *             p[j] = setbit(p[j], order, i, b)
 */
    for (__pyx_t_3 = 0; __pyx_t_3 < 3; __pyx_t_3+=1) {
      __pyx_v_j = __pyx_t_3;

      /* "yt/utilities/lib/geometry_utils.pyx":259
 *         l = lrot(l, d +1, 3)^e
 *         for j in range(3):
 *             b = bitrange(l, 3, j, j+1)             # <<<<<<<<<<<<<<
 *             p[j] = setbit(p[j], order, i, b)
 *         e = e ^ lrot(entry(w), d+1, 3)
 */
      __pyx_v_b = __pyx_f_2yt_9utilities_3lib_14geometry_utils_bitrange(__pyx_v_l, 3, __pyx_v_j, (__pyx_v_j + 1));

      /* "yt/utilities/lib/geometry_utils.pyx":260
 *         for j in range(3):
 *             b = bitrange(l, 3, j, j+1)
 *             p[j] = setbit(p[j], order, i, b)             # <<<<<<<<<<<<<<
 *         e = e ^ lrot(entry(w), d+1, 3)
 *         d = (d + direction(w, 3) + 1)%3
 */
      (__pyx_v_p[__pyx_v_j]) = __pyx_f_2yt_9utilities_3lib_14geometry_utils_setbit((__pyx_v_p[__pyx_v_j]), __pyx_v_order, __pyx_v_i, __pyx_v_b);
    }

    /* "yt/utilities/lib/geometry_utils.pyx":261
 *             b = bitrange(l, 3, j, j+1)
 *             p[j] = setbit(p[j], order, i, b)
 *         e = e ^ lrot(entry(w), d+1, 3)             # <<<<<<<<<<<<<<
 *         d = (d + direction(w, 3) + 1)%3
 * 
 */
    __pyx_v_e = (__pyx_v_e ^ __pyx_f_2yt_9utilities_3lib_14geometry_utils_lrot(__pyx_f_2yt_9utilities_3lib_14geometry_utils_entry(__pyx_v_w), (__pyx_v_d + 1), 3));

    /* "yt/utilities/lib/geometry_utils.pyx":262
 *             p[j] = setbit(p[j], order, i, b)
 *         e = e ^ lrot(entry(w), d+1, 3)
 *         d = (d + direction(w, 3) + 1)%3             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
    __pyx_v_d = (((__pyx_v_d + __pyx_f_2yt_9utilities_3lib_14geometry_utils_direction(__pyx_v_w, 3)) + 1) % 3);
  }

  /* "yt/utilities/lib/geometry_utils.pyx":249
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef void hilbert_to_point(int order, np.int64_t h, np.int64_t *p):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t hwidth, e, d, w, l, b
 *     cdef int i, j
 */

  /* function exit code */
  __Pyx_RefNannyFinishContext();
}

/* "yt/utilities/lib/geometry_utils.pyx":267
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_hilbert_indices(int order, np.ndarray[np.int64_t, ndim=2] left_index):             # <<<<<<<<<<<<<<
 *     # This is inspired by the scurve package by user cortesi on GH.
 *     cdef int i
 */

/* Python wrapper */
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_5get_hilbert_indices(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_2yt_9utilities_3lib_14geometry_utils_5get_hilbert_indices = {"get_hilbert_indices", (PyCFunction)__pyx_pw_2yt_9utilities_3lib_14geometry_utils_5get_hilbert_indices, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_5get_hilbert_indices(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  int __pyx_v_order;
  PyArrayObject *__pyx_v_left_index = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_hilbert_indices (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_order,&__pyx_n_s_left_index,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_order)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        case  1:
        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_left_index)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_hilbert_indices", 1, 2, 2, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_hilbert_indices") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_order = __Pyx_PyInt_As_int(values[0]); if (unlikely((__pyx_v_order == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
    __pyx_v_left_index = ((PyArrayObject *)values[1]);
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_hilbert_indices", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
  __pyx_L3_error:;
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.get_hilbert_indices", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_left_index), __pyx_ptype_5numpy_ndarray, 1, "left_index", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_r = __pyx_pf_2yt_9utilities_3lib_14geometry_utils_4get_hilbert_indices(__pyx_self, __pyx_v_order, __pyx_v_left_index);

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_4get_hilbert_indices(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_order, PyArrayObject *__pyx_v_left_index) {
  int __pyx_v_i;
  __pyx_t_5numpy_int64_t __pyx_v_p[3];
  PyArrayObject *__pyx_v_hilbert_indices = 0;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_hilbert_indices;
  __Pyx_Buffer __pyx_pybuffer_hilbert_indices;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_left_index;
  __Pyx_Buffer __pyx_pybuffer_left_index;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  Py_ssize_t __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyArrayObject *__pyx_t_7 = NULL;
  int __pyx_t_8;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyObject *__pyx_t_11 = NULL;
  npy_intp __pyx_t_12;
  Py_ssize_t __pyx_t_13;
  Py_ssize_t __pyx_t_14;
  Py_ssize_t __pyx_t_15;
  Py_ssize_t __pyx_t_16;
  Py_ssize_t __pyx_t_17;
  Py_ssize_t __pyx_t_18;
  Py_ssize_t __pyx_t_19;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_hilbert_indices", 0);
  __pyx_pybuffer_hilbert_indices.pybuffer.buf = NULL;
  __pyx_pybuffer_hilbert_indices.refcount = 0;
  __pyx_pybuffernd_hilbert_indices.data = NULL;
  __pyx_pybuffernd_hilbert_indices.rcbuffer = &__pyx_pybuffer_hilbert_indices;
  __pyx_pybuffer_left_index.pybuffer.buf = NULL;
  __pyx_pybuffer_left_index.refcount = 0;
  __pyx_pybuffernd_left_index.data = NULL;
  __pyx_pybuffernd_left_index.rcbuffer = &__pyx_pybuffer_left_index;
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_left_index.rcbuffer->pybuffer, (PyObject*)__pyx_v_left_index, &__Pyx_TypeInfo_nn___pyx_t_5numpy_int64_t, PyBUF_FORMAT| PyBUF_STRIDES, 2, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_left_index.diminfo[0].strides = __pyx_pybuffernd_left_index.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_left_index.diminfo[0].shape = __pyx_pybuffernd_left_index.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_left_index.diminfo[1].strides = __pyx_pybuffernd_left_index.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_left_index.diminfo[1].shape = __pyx_pybuffernd_left_index.rcbuffer->pybuffer.shape[1];

  /* "yt/utilities/lib/geometry_utils.pyx":272
 *     cdef np.int64_t p[3]
 *     cdef np.ndarray[np.int64_t, ndim=1] hilbert_indices
 *     hilbert_indices = np.zeros(left_index.shape[0], 'int64')             # <<<<<<<<<<<<<<
 *     for i in range(left_index.shape[0]):
 *         p[0] = left_index[i, 0]
 */
  __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_zeros); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_left_index->dimensions[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = NULL;
  __pyx_t_5 = 0;
  if (CYTHON_COMPILING_IN_CPYTHON && unlikely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
      __pyx_t_5 = 1;
    }
  }
  __pyx_t_6 = PyTuple_New(2+__pyx_t_5); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_6);
  if (__pyx_t_4) {
    __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_4); __pyx_t_4 = NULL;
  }
  __Pyx_GIVEREF(__pyx_t_2);
  PyTuple_SET_ITEM(__pyx_t_6, 0+__pyx_t_5, __pyx_t_2);
  __Pyx_INCREF(__pyx_n_s_int64);
  __Pyx_GIVEREF(__pyx_n_s_int64);
  PyTuple_SET_ITEM(__pyx_t_6, 1+__pyx_t_5, __pyx_n_s_int64);
  __pyx_t_2 = 0;
  __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_6, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_7 = ((PyArrayObject *)__pyx_t_1);
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_hilbert_indices.rcbuffer->pybuffer);
    __pyx_t_8 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_hilbert_indices.rcbuffer->pybuffer, (PyObject*)__pyx_t_7, &__Pyx_TypeInfo_nn___pyx_t_5numpy_int64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 1, 0, __pyx_stack);
    if (unlikely(__pyx_t_8 < 0)) {
      PyErr_Fetch(&__pyx_t_9, &__pyx_t_10, &__pyx_t_11);
      if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_hilbert_indices.rcbuffer->pybuffer, (PyObject*)__pyx_v_hilbert_indices, &__Pyx_TypeInfo_nn___pyx_t_5numpy_int64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {
        Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_11);
        __Pyx_RaiseBufferFallbackError();
      } else {
        PyErr_Restore(__pyx_t_9, __pyx_t_10, __pyx_t_11);
      }
    }
    __pyx_pybuffernd_hilbert_indices.diminfo[0].strides = __pyx_pybuffernd_hilbert_indices.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_hilbert_indices.diminfo[0].shape = __pyx_pybuffernd_hilbert_indices.rcbuffer->pybuffer.shape[0];
    if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_t_7 = 0;
  __pyx_v_hilbert_indices = ((PyArrayObject *)__pyx_t_1);
  __pyx_t_1 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":273
 *     cdef np.ndarray[np.int64_t, ndim=1] hilbert_indices
 *     hilbert_indices = np.zeros(left_index.shape[0], 'int64')
 *     for i in range(left_index.shape[0]):             # <<<<<<<<<<<<<<
 *         p[0] = left_index[i, 0]
 *         p[1] = left_index[i, 1]
 */
  __pyx_t_12 = (__pyx_v_left_index->dimensions[0]);
  for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_12; __pyx_t_8+=1) {
    __pyx_v_i = __pyx_t_8;

    /* "yt/utilities/lib/geometry_utils.pyx":274
 *     hilbert_indices = np.zeros(left_index.shape[0], 'int64')
 *     for i in range(left_index.shape[0]):
 *         p[0] = left_index[i, 0]             # <<<<<<<<<<<<<<
 *         p[1] = left_index[i, 1]
 *         p[2] = left_index[i, 2]
 */
    __pyx_t_13 = __pyx_v_i;
    __pyx_t_14 = 0;
    (__pyx_v_p[0]) = (*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_int64_t *, __pyx_pybuffernd_left_index.rcbuffer->pybuffer.buf, __pyx_t_13, __pyx_pybuffernd_left_index.diminfo[0].strides, __pyx_t_14, __pyx_pybuffernd_left_index.diminfo[1].strides));

    /* "yt/utilities/lib/geometry_utils.pyx":275
 *     for i in range(left_index.shape[0]):
 *         p[0] = left_index[i, 0]
 *         p[1] = left_index[i, 1]             # <<<<<<<<<<<<<<
 *         p[2] = left_index[i, 2]
 *         hilbert_indices[i] = point_to_hilbert(order, p)
 */
    __pyx_t_15 = __pyx_v_i;
    __pyx_t_16 = 1;
    (__pyx_v_p[1]) = (*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_int64_t *, __pyx_pybuffernd_left_index.rcbuffer->pybuffer.buf, __pyx_t_15, __pyx_pybuffernd_left_index.diminfo[0].strides, __pyx_t_16, __pyx_pybuffernd_left_index.diminfo[1].strides));

    /* "yt/utilities/lib/geometry_utils.pyx":276
 *         p[0] = left_index[i, 0]
 *         p[1] = left_index[i, 1]
 *         p[2] = left_index[i, 2]             # <<<<<<<<<<<<<<
 *         hilbert_indices[i] = point_to_hilbert(order, p)
 *     return hilbert_indices
 */
    __pyx_t_17 = __pyx_v_i;
    __pyx_t_18 = 2;
    (__pyx_v_p[2]) = (*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_int64_t *, __pyx_pybuffernd_left_index.rcbuffer->pybuffer.buf, __pyx_t_17, __pyx_pybuffernd_left_index.diminfo[0].strides, __pyx_t_18, __pyx_pybuffernd_left_index.diminfo[1].strides));

    /* "yt/utilities/lib/geometry_utils.pyx":277
 *         p[1] = left_index[i, 1]
 *         p[2] = left_index[i, 2]
 *         hilbert_indices[i] = point_to_hilbert(order, p)             # <<<<<<<<<<<<<<
 *     return hilbert_indices
 * 
 */
    __pyx_t_19 = __pyx_v_i;
    *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int64_t *, __pyx_pybuffernd_hilbert_indices.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_hilbert_indices.diminfo[0].strides) = __pyx_f_2yt_9utilities_3lib_14geometry_utils_point_to_hilbert(__pyx_v_order, __pyx_v_p);
  }

  /* "yt/utilities/lib/geometry_utils.pyx":278
 *         p[2] = left_index[i, 2]
 *         hilbert_indices[i] = point_to_hilbert(order, p)
 *     return hilbert_indices             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(((PyObject *)__pyx_v_hilbert_indices));
  __pyx_r = ((PyObject *)__pyx_v_hilbert_indices);
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":267
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_hilbert_indices(int order, np.ndarray[np.int64_t, ndim=2] left_index):             # <<<<<<<<<<<<<<
 *     # This is inspired by the scurve package by user cortesi on GH.
 *     cdef int i
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_hilbert_indices.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_index.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.get_hilbert_indices", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_hilbert_indices.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_index.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_hilbert_indices);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":283
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_hilbert_points(int order, np.ndarray[np.int64_t, ndim=1] indices):             # <<<<<<<<<<<<<<
 *     # This is inspired by the scurve package by user cortesi on GH.
 *     cdef int i, j
 */

/* Python wrapper */
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_7get_hilbert_points(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_2yt_9utilities_3lib_14geometry_utils_7get_hilbert_points = {"get_hilbert_points", (PyCFunction)__pyx_pw_2yt_9utilities_3lib_14geometry_utils_7get_hilbert_points, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_7get_hilbert_points(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  int __pyx_v_order;
  PyArrayObject *__pyx_v_indices = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_hilbert_points (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_order,&__pyx_n_s_indices,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_order)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        case  1:
        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_indices)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_hilbert_points", 1, 2, 2, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_hilbert_points") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_order = __Pyx_PyInt_As_int(values[0]); if (unlikely((__pyx_v_order == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
    __pyx_v_indices = ((PyArrayObject *)values[1]);
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_hilbert_points", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
  __pyx_L3_error:;
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.get_hilbert_points", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_indices), __pyx_ptype_5numpy_ndarray, 1, "indices", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_r = __pyx_pf_2yt_9utilities_3lib_14geometry_utils_6get_hilbert_points(__pyx_self, __pyx_v_order, __pyx_v_indices);

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_6get_hilbert_points(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_order, PyArrayObject *__pyx_v_indices) {
  int __pyx_v_i;
  int __pyx_v_j;
  __pyx_t_5numpy_int64_t __pyx_v_p[3];
  PyArrayObject *__pyx_v_positions = 0;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_indices;
  __Pyx_Buffer __pyx_pybuffer_indices;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_positions;
  __Pyx_Buffer __pyx_pybuffer_positions;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  Py_ssize_t __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyArrayObject *__pyx_t_7 = NULL;
  int __pyx_t_8;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyObject *__pyx_t_11 = NULL;
  npy_intp __pyx_t_12;
  Py_ssize_t __pyx_t_13;
  int __pyx_t_14;
  Py_ssize_t __pyx_t_15;
  Py_ssize_t __pyx_t_16;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_hilbert_points", 0);
  __pyx_pybuffer_positions.pybuffer.buf = NULL;
  __pyx_pybuffer_positions.refcount = 0;
  __pyx_pybuffernd_positions.data = NULL;
  __pyx_pybuffernd_positions.rcbuffer = &__pyx_pybuffer_positions;
  __pyx_pybuffer_indices.pybuffer.buf = NULL;
  __pyx_pybuffer_indices.refcount = 0;
  __pyx_pybuffernd_indices.data = NULL;
  __pyx_pybuffernd_indices.rcbuffer = &__pyx_pybuffer_indices;
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_indices.rcbuffer->pybuffer, (PyObject*)__pyx_v_indices, &__Pyx_TypeInfo_nn___pyx_t_5numpy_int64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_indices.diminfo[0].strides = __pyx_pybuffernd_indices.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_indices.diminfo[0].shape = __pyx_pybuffernd_indices.rcbuffer->pybuffer.shape[0];

  /* "yt/utilities/lib/geometry_utils.pyx":288
 *     cdef np.int64_t p[3]
 *     cdef np.ndarray[np.int64_t, ndim=2] positions
 *     positions = np.zeros((indices.shape[0], 3), 'int64')             # <<<<<<<<<<<<<<
 *     for i in range(indices.shape[0]):
 *         hilbert_to_point(order, indices[i], p)
 */
  __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_zeros); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_indices->dimensions[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_GIVEREF(__pyx_t_2);
  PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_2);
  __Pyx_INCREF(__pyx_int_3);
  __Pyx_GIVEREF(__pyx_int_3);
  PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_int_3);
  __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  __pyx_t_5 = 0;
  if (CYTHON_COMPILING_IN_CPYTHON && unlikely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
      __pyx_t_5 = 1;
    }
  }
  __pyx_t_6 = PyTuple_New(2+__pyx_t_5); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_6);
  if (__pyx_t_2) {
    __Pyx_GIVEREF(__pyx_t_2); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_2); __pyx_t_2 = NULL;
  }
  __Pyx_GIVEREF(__pyx_t_4);
  PyTuple_SET_ITEM(__pyx_t_6, 0+__pyx_t_5, __pyx_t_4);
  __Pyx_INCREF(__pyx_n_s_int64);
  __Pyx_GIVEREF(__pyx_n_s_int64);
  PyTuple_SET_ITEM(__pyx_t_6, 1+__pyx_t_5, __pyx_n_s_int64);
  __pyx_t_4 = 0;
  __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_6, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_7 = ((PyArrayObject *)__pyx_t_1);
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_positions.rcbuffer->pybuffer);
    __pyx_t_8 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_positions.rcbuffer->pybuffer, (PyObject*)__pyx_t_7, &__Pyx_TypeInfo_nn___pyx_t_5numpy_int64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 2, 0, __pyx_stack);
    if (unlikely(__pyx_t_8 < 0)) {
      PyErr_Fetch(&__pyx_t_9, &__pyx_t_10, &__pyx_t_11);
      if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_positions.rcbuffer->pybuffer, (PyObject*)__pyx_v_positions, &__Pyx_TypeInfo_nn___pyx_t_5numpy_int64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 2, 0, __pyx_stack) == -1)) {
        Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_11);
        __Pyx_RaiseBufferFallbackError();
      } else {
        PyErr_Restore(__pyx_t_9, __pyx_t_10, __pyx_t_11);
      }
    }
    __pyx_pybuffernd_positions.diminfo[0].strides = __pyx_pybuffernd_positions.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_positions.diminfo[0].shape = __pyx_pybuffernd_positions.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_positions.diminfo[1].strides = __pyx_pybuffernd_positions.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_positions.diminfo[1].shape = __pyx_pybuffernd_positions.rcbuffer->pybuffer.shape[1];
    if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_t_7 = 0;
  __pyx_v_positions = ((PyArrayObject *)__pyx_t_1);
  __pyx_t_1 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":289
 *     cdef np.ndarray[np.int64_t, ndim=2] positions
 *     positions = np.zeros((indices.shape[0], 3), 'int64')
 *     for i in range(indices.shape[0]):             # <<<<<<<<<<<<<<
 *         hilbert_to_point(order, indices[i], p)
 *         for j in range(3):
 */
  __pyx_t_12 = (__pyx_v_indices->dimensions[0]);
  for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_12; __pyx_t_8+=1) {
    __pyx_v_i = __pyx_t_8;

    /* "yt/utilities/lib/geometry_utils.pyx":290
 *     positions = np.zeros((indices.shape[0], 3), 'int64')
 *     for i in range(indices.shape[0]):
 *         hilbert_to_point(order, indices[i], p)             # <<<<<<<<<<<<<<
 *         for j in range(3):
 *             positions[i, j] = p[j]
 */
    __pyx_t_13 = __pyx_v_i;
    __pyx_f_2yt_9utilities_3lib_14geometry_utils_hilbert_to_point(__pyx_v_order, (*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int64_t *, __pyx_pybuffernd_indices.rcbuffer->pybuffer.buf, __pyx_t_13, __pyx_pybuffernd_indices.diminfo[0].strides)), __pyx_v_p);

    /* "yt/utilities/lib/geometry_utils.pyx":291
 *     for i in range(indices.shape[0]):
 *         hilbert_to_point(order, indices[i], p)
 *         for j in range(3):             # <<<<<<<<<<<<<<
 *             positions[i, j] = p[j]
 *     return positions
 */
    for (__pyx_t_14 = 0; __pyx_t_14 < 3; __pyx_t_14+=1) {
      __pyx_v_j = __pyx_t_14;

      /* "yt/utilities/lib/geometry_utils.pyx":292
 *         hilbert_to_point(order, indices[i], p)
 *         for j in range(3):
 *             positions[i, j] = p[j]             # <<<<<<<<<<<<<<
 *     return positions
 * 
 */
      __pyx_t_15 = __pyx_v_i;
      __pyx_t_16 = __pyx_v_j;
      *__Pyx_BufPtrStrided2d(__pyx_t_5numpy_int64_t *, __pyx_pybuffernd_positions.rcbuffer->pybuffer.buf, __pyx_t_15, __pyx_pybuffernd_positions.diminfo[0].strides, __pyx_t_16, __pyx_pybuffernd_positions.diminfo[1].strides) = (__pyx_v_p[__pyx_v_j]);
    }
  }

  /* "yt/utilities/lib/geometry_utils.pyx":293
 *         for j in range(3):
 *             positions[i, j] = p[j]
 *     return positions             # <<<<<<<<<<<<<<
 * 
 * # yt did not invent these! :)
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(((PyObject *)__pyx_v_positions));
  __pyx_r = ((PyObject *)__pyx_v_positions);
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":283
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_hilbert_points(int order, np.ndarray[np.int64_t, ndim=1] indices):             # <<<<<<<<<<<<<<
 *     # This is inspired by the scurve package by user cortesi on GH.
 *     cdef int i, j
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_indices.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_positions.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.get_hilbert_points", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_indices.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_positions.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_positions);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":306
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef inline np.uint64_t spread_bits(np.uint64_t x):             # <<<<<<<<<<<<<<
 *     # This magic comes from http://stackoverflow.com/questions/1024754/how-to-compute-a-3d-morton-number-interleave-the-bits-of-3-ints
 *     x=(x|(x<<20))&_const20
 */

static CYTHON_INLINE __pyx_t_5numpy_uint64_t __pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits(__pyx_t_5numpy_uint64_t __pyx_v_x) {
  __pyx_t_5numpy_uint64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("spread_bits", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":308
 * cdef inline np.uint64_t spread_bits(np.uint64_t x):
 *     # This magic comes from http://stackoverflow.com/questions/1024754/how-to-compute-a-3d-morton-number-interleave-the-bits-of-3-ints
 *     x=(x|(x<<20))&_const20             # <<<<<<<<<<<<<<
 *     x=(x|(x<<10))&_const10
 *     x=(x|(x<<4))&_const04
 */
  __pyx_v_x = ((__pyx_v_x | (__pyx_v_x << 20)) & __pyx_v_2yt_9utilities_3lib_14geometry_utils__const20);

  /* "yt/utilities/lib/geometry_utils.pyx":309
 *     # This magic comes from http://stackoverflow.com/questions/1024754/how-to-compute-a-3d-morton-number-interleave-the-bits-of-3-ints
 *     x=(x|(x<<20))&_const20
 *     x=(x|(x<<10))&_const10             # <<<<<<<<<<<<<<
 *     x=(x|(x<<4))&_const04
 *     x=(x|(x<<2))&_const2a
 */
  __pyx_v_x = ((__pyx_v_x | (__pyx_v_x << 10)) & __pyx_v_2yt_9utilities_3lib_14geometry_utils__const10);

  /* "yt/utilities/lib/geometry_utils.pyx":310
 *     x=(x|(x<<20))&_const20
 *     x=(x|(x<<10))&_const10
 *     x=(x|(x<<4))&_const04             # <<<<<<<<<<<<<<
 *     x=(x|(x<<2))&_const2a
 *     x=(x|(x<<2))&_const2b
 */
  __pyx_v_x = ((__pyx_v_x | (__pyx_v_x << 4)) & __pyx_v_2yt_9utilities_3lib_14geometry_utils__const04);

  /* "yt/utilities/lib/geometry_utils.pyx":311
 *     x=(x|(x<<10))&_const10
 *     x=(x|(x<<4))&_const04
 *     x=(x|(x<<2))&_const2a             # <<<<<<<<<<<<<<
 *     x=(x|(x<<2))&_const2b
 *     x=(x|(x<<2))&_const2c
 */
  __pyx_v_x = ((__pyx_v_x | (__pyx_v_x << 2)) & __pyx_v_2yt_9utilities_3lib_14geometry_utils__const2a);

  /* "yt/utilities/lib/geometry_utils.pyx":312
 *     x=(x|(x<<4))&_const04
 *     x=(x|(x<<2))&_const2a
 *     x=(x|(x<<2))&_const2b             # <<<<<<<<<<<<<<
 *     x=(x|(x<<2))&_const2c
 *     return x
 */
  __pyx_v_x = ((__pyx_v_x | (__pyx_v_x << 2)) & __pyx_v_2yt_9utilities_3lib_14geometry_utils__const2b);

  /* "yt/utilities/lib/geometry_utils.pyx":313
 *     x=(x|(x<<2))&_const2a
 *     x=(x|(x<<2))&_const2b
 *     x=(x|(x<<2))&_const2c             # <<<<<<<<<<<<<<
 *     return x
 * 
 */
  __pyx_v_x = ((__pyx_v_x | (__pyx_v_x << 2)) & __pyx_v_2yt_9utilities_3lib_14geometry_utils__const2c);

  /* "yt/utilities/lib/geometry_utils.pyx":314
 *     x=(x|(x<<2))&_const2b
 *     x=(x|(x<<2))&_const2c
 *     return x             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_r = __pyx_v_x;
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":306
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef inline np.uint64_t spread_bits(np.uint64_t x):             # <<<<<<<<<<<<<<
 *     # This magic comes from http://stackoverflow.com/questions/1024754/how-to-compute-a-3d-morton-number-interleave-the-bits-of-3-ints
 *     x=(x|(x<<20))&_const20
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":319
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_morton_indices(np.ndarray[np.uint64_t, ndim=2] left_index):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t i, mi
 *     cdef np.ndarray[np.uint64_t, ndim=1] morton_indices
 */

/* Python wrapper */
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_9get_morton_indices(PyObject *__pyx_self, PyObject *__pyx_v_left_index); /*proto*/
static PyMethodDef __pyx_mdef_2yt_9utilities_3lib_14geometry_utils_9get_morton_indices = {"get_morton_indices", (PyCFunction)__pyx_pw_2yt_9utilities_3lib_14geometry_utils_9get_morton_indices, METH_O, 0};
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_9get_morton_indices(PyObject *__pyx_self, PyObject *__pyx_v_left_index) {
  CYTHON_UNUSED int __pyx_lineno = 0;
  CYTHON_UNUSED const char *__pyx_filename = NULL;
  CYTHON_UNUSED int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_morton_indices (wrapper)", 0);
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_left_index), __pyx_ptype_5numpy_ndarray, 1, "left_index", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_r = __pyx_pf_2yt_9utilities_3lib_14geometry_utils_8get_morton_indices(__pyx_self, ((PyArrayObject *)__pyx_v_left_index));

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_8get_morton_indices(CYTHON_UNUSED PyObject *__pyx_self, PyArrayObject *__pyx_v_left_index) {
  __pyx_t_5numpy_int64_t __pyx_v_i;
  __pyx_t_5numpy_int64_t __pyx_v_mi;
  PyArrayObject *__pyx_v_morton_indices = 0;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_left_index;
  __Pyx_Buffer __pyx_pybuffer_left_index;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_morton_indices;
  __Pyx_Buffer __pyx_pybuffer_morton_indices;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  Py_ssize_t __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyArrayObject *__pyx_t_7 = NULL;
  int __pyx_t_8;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyObject *__pyx_t_11 = NULL;
  npy_intp __pyx_t_12;
  __pyx_t_5numpy_int64_t __pyx_t_13;
  __pyx_t_5numpy_int64_t __pyx_t_14;
  Py_ssize_t __pyx_t_15;
  __pyx_t_5numpy_int64_t __pyx_t_16;
  Py_ssize_t __pyx_t_17;
  __pyx_t_5numpy_int64_t __pyx_t_18;
  Py_ssize_t __pyx_t_19;
  __pyx_t_5numpy_int64_t __pyx_t_20;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_morton_indices", 0);
  __pyx_pybuffer_morton_indices.pybuffer.buf = NULL;
  __pyx_pybuffer_morton_indices.refcount = 0;
  __pyx_pybuffernd_morton_indices.data = NULL;
  __pyx_pybuffernd_morton_indices.rcbuffer = &__pyx_pybuffer_morton_indices;
  __pyx_pybuffer_left_index.pybuffer.buf = NULL;
  __pyx_pybuffer_left_index.refcount = 0;
  __pyx_pybuffernd_left_index.data = NULL;
  __pyx_pybuffernd_left_index.rcbuffer = &__pyx_pybuffer_left_index;
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_left_index.rcbuffer->pybuffer, (PyObject*)__pyx_v_left_index, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES, 2, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_left_index.diminfo[0].strides = __pyx_pybuffernd_left_index.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_left_index.diminfo[0].shape = __pyx_pybuffernd_left_index.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_left_index.diminfo[1].strides = __pyx_pybuffernd_left_index.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_left_index.diminfo[1].shape = __pyx_pybuffernd_left_index.rcbuffer->pybuffer.shape[1];

  /* "yt/utilities/lib/geometry_utils.pyx":322
 *     cdef np.int64_t i, mi
 *     cdef np.ndarray[np.uint64_t, ndim=1] morton_indices
 *     morton_indices = np.zeros(left_index.shape[0], 'uint64')             # <<<<<<<<<<<<<<
 *     for i in range(left_index.shape[0]):
 *         mi = 0
 */
  __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 322; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_zeros); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 322; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_left_index->dimensions[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 322; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = NULL;
  __pyx_t_5 = 0;
  if (CYTHON_COMPILING_IN_CPYTHON && unlikely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
      __pyx_t_5 = 1;
    }
  }
  __pyx_t_6 = PyTuple_New(2+__pyx_t_5); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 322; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_6);
  if (__pyx_t_4) {
    __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_4); __pyx_t_4 = NULL;
  }
  __Pyx_GIVEREF(__pyx_t_2);
  PyTuple_SET_ITEM(__pyx_t_6, 0+__pyx_t_5, __pyx_t_2);
  __Pyx_INCREF(__pyx_n_s_uint64);
  __Pyx_GIVEREF(__pyx_n_s_uint64);
  PyTuple_SET_ITEM(__pyx_t_6, 1+__pyx_t_5, __pyx_n_s_uint64);
  __pyx_t_2 = 0;
  __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_6, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 322; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 322; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_7 = ((PyArrayObject *)__pyx_t_1);
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer);
    __pyx_t_8 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer, (PyObject*)__pyx_t_7, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 1, 0, __pyx_stack);
    if (unlikely(__pyx_t_8 < 0)) {
      PyErr_Fetch(&__pyx_t_9, &__pyx_t_10, &__pyx_t_11);
      if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer, (PyObject*)__pyx_v_morton_indices, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {
        Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_11);
        __Pyx_RaiseBufferFallbackError();
      } else {
        PyErr_Restore(__pyx_t_9, __pyx_t_10, __pyx_t_11);
      }
    }
    __pyx_pybuffernd_morton_indices.diminfo[0].strides = __pyx_pybuffernd_morton_indices.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_morton_indices.diminfo[0].shape = __pyx_pybuffernd_morton_indices.rcbuffer->pybuffer.shape[0];
    if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 322; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_t_7 = 0;
  __pyx_v_morton_indices = ((PyArrayObject *)__pyx_t_1);
  __pyx_t_1 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":323
 *     cdef np.ndarray[np.uint64_t, ndim=1] morton_indices
 *     morton_indices = np.zeros(left_index.shape[0], 'uint64')
 *     for i in range(left_index.shape[0]):             # <<<<<<<<<<<<<<
 *         mi = 0
 *         mi |= spread_bits(left_index[i,2])<<0
 */
  __pyx_t_12 = (__pyx_v_left_index->dimensions[0]);
  for (__pyx_t_13 = 0; __pyx_t_13 < __pyx_t_12; __pyx_t_13+=1) {
    __pyx_v_i = __pyx_t_13;

    /* "yt/utilities/lib/geometry_utils.pyx":324
 *     morton_indices = np.zeros(left_index.shape[0], 'uint64')
 *     for i in range(left_index.shape[0]):
 *         mi = 0             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(left_index[i,2])<<0
 *         mi |= spread_bits(left_index[i,1])<<1
 */
    __pyx_v_mi = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":325
 *     for i in range(left_index.shape[0]):
 *         mi = 0
 *         mi |= spread_bits(left_index[i,2])<<0             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(left_index[i,1])<<1
 *         mi |= spread_bits(left_index[i,0])<<2
 */
    __pyx_t_14 = __pyx_v_i;
    __pyx_t_15 = 2;
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_uint64_t *, __pyx_pybuffernd_left_index.rcbuffer->pybuffer.buf, __pyx_t_14, __pyx_pybuffernd_left_index.diminfo[0].strides, __pyx_t_15, __pyx_pybuffernd_left_index.diminfo[1].strides))) << 0));

    /* "yt/utilities/lib/geometry_utils.pyx":326
 *         mi = 0
 *         mi |= spread_bits(left_index[i,2])<<0
 *         mi |= spread_bits(left_index[i,1])<<1             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(left_index[i,0])<<2
 *         morton_indices[i] = mi
 */
    __pyx_t_16 = __pyx_v_i;
    __pyx_t_17 = 1;
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_uint64_t *, __pyx_pybuffernd_left_index.rcbuffer->pybuffer.buf, __pyx_t_16, __pyx_pybuffernd_left_index.diminfo[0].strides, __pyx_t_17, __pyx_pybuffernd_left_index.diminfo[1].strides))) << 1));

    /* "yt/utilities/lib/geometry_utils.pyx":327
 *         mi |= spread_bits(left_index[i,2])<<0
 *         mi |= spread_bits(left_index[i,1])<<1
 *         mi |= spread_bits(left_index[i,0])<<2             # <<<<<<<<<<<<<<
 *         morton_indices[i] = mi
 *     return morton_indices
 */
    __pyx_t_18 = __pyx_v_i;
    __pyx_t_19 = 0;
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((*__Pyx_BufPtrStrided2d(__pyx_t_5numpy_uint64_t *, __pyx_pybuffernd_left_index.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_left_index.diminfo[0].strides, __pyx_t_19, __pyx_pybuffernd_left_index.diminfo[1].strides))) << 2));

    /* "yt/utilities/lib/geometry_utils.pyx":328
 *         mi |= spread_bits(left_index[i,1])<<1
 *         mi |= spread_bits(left_index[i,0])<<2
 *         morton_indices[i] = mi             # <<<<<<<<<<<<<<
 *     return morton_indices
 * 
 */
    __pyx_t_20 = __pyx_v_i;
    *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_uint64_t *, __pyx_pybuffernd_morton_indices.rcbuffer->pybuffer.buf, __pyx_t_20, __pyx_pybuffernd_morton_indices.diminfo[0].strides) = __pyx_v_mi;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":329
 *         mi |= spread_bits(left_index[i,0])<<2
 *         morton_indices[i] = mi
 *     return morton_indices             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(((PyObject *)__pyx_v_morton_indices));
  __pyx_r = ((PyObject *)__pyx_v_morton_indices);
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":319
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_morton_indices(np.ndarray[np.uint64_t, ndim=2] left_index):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t i, mi
 *     cdef np.ndarray[np.uint64_t, ndim=1] morton_indices
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_index.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.get_morton_indices", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_index.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_morton_indices);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":334
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_morton_indices_unravel(np.ndarray[np.uint64_t, ndim=1] left_x,             # <<<<<<<<<<<<<<
 *                                np.ndarray[np.uint64_t, ndim=1] left_y,
 *                                np.ndarray[np.uint64_t, ndim=1] left_z,):
 */

/* Python wrapper */
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_11get_morton_indices_unravel(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_2yt_9utilities_3lib_14geometry_utils_11get_morton_indices_unravel = {"get_morton_indices_unravel", (PyCFunction)__pyx_pw_2yt_9utilities_3lib_14geometry_utils_11get_morton_indices_unravel, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_11get_morton_indices_unravel(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyArrayObject *__pyx_v_left_x = 0;
  PyArrayObject *__pyx_v_left_y = 0;
  PyArrayObject *__pyx_v_left_z = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_morton_indices_unravel (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_left_x,&__pyx_n_s_left_y,&__pyx_n_s_left_z,0};
    PyObject* values[3] = {0,0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_left_x)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        case  1:
        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_left_y)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_morton_indices_unravel", 1, 3, 3, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  2:
        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_left_z)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_morton_indices_unravel", 1, 3, 3, 2); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_morton_indices_unravel") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
    }
    __pyx_v_left_x = ((PyArrayObject *)values[0]);
    __pyx_v_left_y = ((PyArrayObject *)values[1]);
    __pyx_v_left_z = ((PyArrayObject *)values[2]);
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_morton_indices_unravel", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
  __pyx_L3_error:;
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.get_morton_indices_unravel", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_left_x), __pyx_ptype_5numpy_ndarray, 1, "left_x", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_left_y), __pyx_ptype_5numpy_ndarray, 1, "left_y", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 335; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_left_z), __pyx_ptype_5numpy_ndarray, 1, "left_z", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 336; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_r = __pyx_pf_2yt_9utilities_3lib_14geometry_utils_10get_morton_indices_unravel(__pyx_self, __pyx_v_left_x, __pyx_v_left_y, __pyx_v_left_z);

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_10get_morton_indices_unravel(CYTHON_UNUSED PyObject *__pyx_self, PyArrayObject *__pyx_v_left_x, PyArrayObject *__pyx_v_left_y, PyArrayObject *__pyx_v_left_z) {
  __pyx_t_5numpy_int64_t __pyx_v_i;
  __pyx_t_5numpy_int64_t __pyx_v_mi;
  PyArrayObject *__pyx_v_morton_indices = 0;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_left_x;
  __Pyx_Buffer __pyx_pybuffer_left_x;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_left_y;
  __Pyx_Buffer __pyx_pybuffer_left_y;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_left_z;
  __Pyx_Buffer __pyx_pybuffer_left_z;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_morton_indices;
  __Pyx_Buffer __pyx_pybuffer_morton_indices;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  Py_ssize_t __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyArrayObject *__pyx_t_7 = NULL;
  int __pyx_t_8;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyObject *__pyx_t_11 = NULL;
  npy_intp __pyx_t_12;
  __pyx_t_5numpy_int64_t __pyx_t_13;
  __pyx_t_5numpy_int64_t __pyx_t_14;
  __pyx_t_5numpy_int64_t __pyx_t_15;
  __pyx_t_5numpy_int64_t __pyx_t_16;
  __pyx_t_5numpy_int64_t __pyx_t_17;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_morton_indices_unravel", 0);
  __pyx_pybuffer_morton_indices.pybuffer.buf = NULL;
  __pyx_pybuffer_morton_indices.refcount = 0;
  __pyx_pybuffernd_morton_indices.data = NULL;
  __pyx_pybuffernd_morton_indices.rcbuffer = &__pyx_pybuffer_morton_indices;
  __pyx_pybuffer_left_x.pybuffer.buf = NULL;
  __pyx_pybuffer_left_x.refcount = 0;
  __pyx_pybuffernd_left_x.data = NULL;
  __pyx_pybuffernd_left_x.rcbuffer = &__pyx_pybuffer_left_x;
  __pyx_pybuffer_left_y.pybuffer.buf = NULL;
  __pyx_pybuffer_left_y.refcount = 0;
  __pyx_pybuffernd_left_y.data = NULL;
  __pyx_pybuffernd_left_y.rcbuffer = &__pyx_pybuffer_left_y;
  __pyx_pybuffer_left_z.pybuffer.buf = NULL;
  __pyx_pybuffer_left_z.refcount = 0;
  __pyx_pybuffernd_left_z.data = NULL;
  __pyx_pybuffernd_left_z.rcbuffer = &__pyx_pybuffer_left_z;
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_left_x.rcbuffer->pybuffer, (PyObject*)__pyx_v_left_x, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_left_x.diminfo[0].strides = __pyx_pybuffernd_left_x.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_left_x.diminfo[0].shape = __pyx_pybuffernd_left_x.rcbuffer->pybuffer.shape[0];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_left_y.rcbuffer->pybuffer, (PyObject*)__pyx_v_left_y, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_left_y.diminfo[0].strides = __pyx_pybuffernd_left_y.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_left_y.diminfo[0].shape = __pyx_pybuffernd_left_y.rcbuffer->pybuffer.shape[0];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_left_z.rcbuffer->pybuffer, (PyObject*)__pyx_v_left_z, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_left_z.diminfo[0].strides = __pyx_pybuffernd_left_z.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_left_z.diminfo[0].shape = __pyx_pybuffernd_left_z.rcbuffer->pybuffer.shape[0];

  /* "yt/utilities/lib/geometry_utils.pyx":339
 *     cdef np.int64_t i, mi
 *     cdef np.ndarray[np.uint64_t, ndim=1] morton_indices
 *     morton_indices = np.zeros(left_x.shape[0], 'uint64')             # <<<<<<<<<<<<<<
 *     for i in range(left_x.shape[0]):
 *         mi = 0
 */
  __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_zeros); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_left_x->dimensions[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = NULL;
  __pyx_t_5 = 0;
  if (CYTHON_COMPILING_IN_CPYTHON && unlikely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
      __pyx_t_5 = 1;
    }
  }
  __pyx_t_6 = PyTuple_New(2+__pyx_t_5); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_6);
  if (__pyx_t_4) {
    __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_4); __pyx_t_4 = NULL;
  }
  __Pyx_GIVEREF(__pyx_t_2);
  PyTuple_SET_ITEM(__pyx_t_6, 0+__pyx_t_5, __pyx_t_2);
  __Pyx_INCREF(__pyx_n_s_uint64);
  __Pyx_GIVEREF(__pyx_n_s_uint64);
  PyTuple_SET_ITEM(__pyx_t_6, 1+__pyx_t_5, __pyx_n_s_uint64);
  __pyx_t_2 = 0;
  __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_6, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_7 = ((PyArrayObject *)__pyx_t_1);
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer);
    __pyx_t_8 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer, (PyObject*)__pyx_t_7, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 1, 0, __pyx_stack);
    if (unlikely(__pyx_t_8 < 0)) {
      PyErr_Fetch(&__pyx_t_9, &__pyx_t_10, &__pyx_t_11);
      if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer, (PyObject*)__pyx_v_morton_indices, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {
        Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_11);
        __Pyx_RaiseBufferFallbackError();
      } else {
        PyErr_Restore(__pyx_t_9, __pyx_t_10, __pyx_t_11);
      }
    }
    __pyx_pybuffernd_morton_indices.diminfo[0].strides = __pyx_pybuffernd_morton_indices.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_morton_indices.diminfo[0].shape = __pyx_pybuffernd_morton_indices.rcbuffer->pybuffer.shape[0];
    if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_t_7 = 0;
  __pyx_v_morton_indices = ((PyArrayObject *)__pyx_t_1);
  __pyx_t_1 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":340
 *     cdef np.ndarray[np.uint64_t, ndim=1] morton_indices
 *     morton_indices = np.zeros(left_x.shape[0], 'uint64')
 *     for i in range(left_x.shape[0]):             # <<<<<<<<<<<<<<
 *         mi = 0
 *         mi |= spread_bits(left_z[i])<<0
 */
  __pyx_t_12 = (__pyx_v_left_x->dimensions[0]);
  for (__pyx_t_13 = 0; __pyx_t_13 < __pyx_t_12; __pyx_t_13+=1) {
    __pyx_v_i = __pyx_t_13;

    /* "yt/utilities/lib/geometry_utils.pyx":341
 *     morton_indices = np.zeros(left_x.shape[0], 'uint64')
 *     for i in range(left_x.shape[0]):
 *         mi = 0             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(left_z[i])<<0
 *         mi |= spread_bits(left_y[i])<<1
 */
    __pyx_v_mi = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":342
 *     for i in range(left_x.shape[0]):
 *         mi = 0
 *         mi |= spread_bits(left_z[i])<<0             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(left_y[i])<<1
 *         mi |= spread_bits(left_x[i])<<2
 */
    __pyx_t_14 = __pyx_v_i;
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_uint64_t *, __pyx_pybuffernd_left_z.rcbuffer->pybuffer.buf, __pyx_t_14, __pyx_pybuffernd_left_z.diminfo[0].strides))) << 0));

    /* "yt/utilities/lib/geometry_utils.pyx":343
 *         mi = 0
 *         mi |= spread_bits(left_z[i])<<0
 *         mi |= spread_bits(left_y[i])<<1             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(left_x[i])<<2
 *         morton_indices[i] = mi
 */
    __pyx_t_15 = __pyx_v_i;
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_uint64_t *, __pyx_pybuffernd_left_y.rcbuffer->pybuffer.buf, __pyx_t_15, __pyx_pybuffernd_left_y.diminfo[0].strides))) << 1));

    /* "yt/utilities/lib/geometry_utils.pyx":344
 *         mi |= spread_bits(left_z[i])<<0
 *         mi |= spread_bits(left_y[i])<<1
 *         mi |= spread_bits(left_x[i])<<2             # <<<<<<<<<<<<<<
 *         morton_indices[i] = mi
 *     return morton_indices
 */
    __pyx_t_16 = __pyx_v_i;
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_uint64_t *, __pyx_pybuffernd_left_x.rcbuffer->pybuffer.buf, __pyx_t_16, __pyx_pybuffernd_left_x.diminfo[0].strides))) << 2));

    /* "yt/utilities/lib/geometry_utils.pyx":345
 *         mi |= spread_bits(left_y[i])<<1
 *         mi |= spread_bits(left_x[i])<<2
 *         morton_indices[i] = mi             # <<<<<<<<<<<<<<
 *     return morton_indices
 * 
 */
    __pyx_t_17 = __pyx_v_i;
    *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_uint64_t *, __pyx_pybuffernd_morton_indices.rcbuffer->pybuffer.buf, __pyx_t_17, __pyx_pybuffernd_morton_indices.diminfo[0].strides) = __pyx_v_mi;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":346
 *         mi |= spread_bits(left_x[i])<<2
 *         morton_indices[i] = mi
 *     return morton_indices             # <<<<<<<<<<<<<<
 * 
 * ctypedef fused anyfloat:
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(((PyObject *)__pyx_v_morton_indices));
  __pyx_r = ((PyObject *)__pyx_v_morton_indices);
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":334
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_morton_indices_unravel(np.ndarray[np.uint64_t, ndim=1] left_x,             # <<<<<<<<<<<<<<
 *                                np.ndarray[np.uint64_t, ndim=1] left_y,
 *                                np.ndarray[np.uint64_t, ndim=1] left_z,):
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_x.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_y.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_z.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.get_morton_indices_unravel", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_x.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_y.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_left_z.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_morton_indices.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_morton_indices);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":355
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t position_to_morton(np.ndarray[anyfloat, ndim=1] pos_x,             # <<<<<<<<<<<<<<
 *                         np.ndarray[anyfloat, ndim=1] pos_y,
 *                         np.ndarray[anyfloat, ndim=1] pos_z,
 */

static PY_LONG_LONG __pyx_fuse_0__pyx_f_2yt_9utilities_3lib_14geometry_utils_position_to_morton(PyArrayObject *__pyx_v_pos_x, PyArrayObject *__pyx_v_pos_y, PyArrayObject *__pyx_v_pos_z, double *__pyx_v_dds, double *__pyx_v_DLE, double *__pyx_v_DRE, PyArrayObject *__pyx_v_ind, int __pyx_v_filter) {
  __pyx_t_5numpy_uint64_t __pyx_v_mi;
  __pyx_t_5numpy_uint64_t __pyx_v_ii[3];
  __pyx_t_5numpy_float64_t __pyx_v_p[3];
  __pyx_t_5numpy_int64_t __pyx_v_i;
  __pyx_t_5numpy_int64_t __pyx_v_j;
  __pyx_t_5numpy_int64_t __pyx_v_use;
  __pyx_t_5numpy_uint64_t __pyx_v_DD[3];
  __pyx_t_5numpy_uint64_t __pyx_v_FLAG;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_ind;
  __Pyx_Buffer __pyx_pybuffer_ind;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_pos_x;
  __Pyx_Buffer __pyx_pybuffer_pos_x;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_pos_y;
  __Pyx_Buffer __pyx_pybuffer_pos_y;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_pos_z;
  __Pyx_Buffer __pyx_pybuffer_pos_z;
  PY_LONG_LONG __pyx_r;
  __Pyx_RefNannyDeclarations
  __pyx_t_5numpy_int64_t __pyx_t_1;
  npy_intp __pyx_t_2;
  __pyx_t_5numpy_int64_t __pyx_t_3;
  __pyx_t_5numpy_int64_t __pyx_t_4;
  __pyx_t_5numpy_int64_t __pyx_t_5;
  __pyx_t_5numpy_int64_t __pyx_t_6;
  int __pyx_t_7;
  int __pyx_t_8;
  __pyx_t_5numpy_int64_t __pyx_t_9;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__pyx_fuse_0position_to_morton", 0);
  __pyx_pybuffer_pos_x.pybuffer.buf = NULL;
  __pyx_pybuffer_pos_x.refcount = 0;
  __pyx_pybuffernd_pos_x.data = NULL;
  __pyx_pybuffernd_pos_x.rcbuffer = &__pyx_pybuffer_pos_x;
  __pyx_pybuffer_pos_y.pybuffer.buf = NULL;
  __pyx_pybuffer_pos_y.refcount = 0;
  __pyx_pybuffernd_pos_y.data = NULL;
  __pyx_pybuffernd_pos_y.rcbuffer = &__pyx_pybuffer_pos_y;
  __pyx_pybuffer_pos_z.pybuffer.buf = NULL;
  __pyx_pybuffer_pos_z.refcount = 0;
  __pyx_pybuffernd_pos_z.data = NULL;
  __pyx_pybuffernd_pos_z.rcbuffer = &__pyx_pybuffer_pos_z;
  __pyx_pybuffer_ind.pybuffer.buf = NULL;
  __pyx_pybuffer_ind.refcount = 0;
  __pyx_pybuffernd_ind.data = NULL;
  __pyx_pybuffernd_ind.rcbuffer = &__pyx_pybuffer_ind;
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_pos_x.rcbuffer->pybuffer, (PyObject*)__pyx_v_pos_x, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float32_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_pos_x.diminfo[0].strides = __pyx_pybuffernd_pos_x.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_pos_x.diminfo[0].shape = __pyx_pybuffernd_pos_x.rcbuffer->pybuffer.shape[0];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_pos_y.rcbuffer->pybuffer, (PyObject*)__pyx_v_pos_y, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float32_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_pos_y.diminfo[0].strides = __pyx_pybuffernd_pos_y.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_pos_y.diminfo[0].shape = __pyx_pybuffernd_pos_y.rcbuffer->pybuffer.shape[0];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_pos_z.rcbuffer->pybuffer, (PyObject*)__pyx_v_pos_z, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float32_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_pos_z.diminfo[0].strides = __pyx_pybuffernd_pos_z.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_pos_z.diminfo[0].shape = __pyx_pybuffernd_pos_z.rcbuffer->pybuffer.shape[0];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_ind.rcbuffer->pybuffer, (PyObject*)__pyx_v_ind, &__Pyx_TypeInfo_unsigned_PY_LONG_LONG, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_ind.diminfo[0].strides = __pyx_pybuffernd_ind.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_ind.diminfo[0].shape = __pyx_pybuffernd_ind.rcbuffer->pybuffer.shape[0];

  /* "yt/utilities/lib/geometry_utils.pyx":367
 *     cdef np.int64_t i, j, use
 *     cdef np.uint64_t DD[3]
 *     cdef np.uint64_t FLAG = ~(<np.uint64_t>0)             # <<<<<<<<<<<<<<
 *     for i in range(3):
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])
 */
  __pyx_v_FLAG = (~((__pyx_t_5numpy_uint64_t)0));

  /* "yt/utilities/lib/geometry_utils.pyx":368
 *     cdef np.uint64_t DD[3]
 *     cdef np.uint64_t FLAG = ~(<np.uint64_t>0)
 *     for i in range(3):             # <<<<<<<<<<<<<<
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])
 *     for i in range(pos_x.shape[0]):
 */
  for (__pyx_t_1 = 0; __pyx_t_1 < 3; __pyx_t_1+=1) {
    __pyx_v_i = __pyx_t_1;

    /* "yt/utilities/lib/geometry_utils.pyx":369
 *     cdef np.uint64_t FLAG = ~(<np.uint64_t>0)
 *     for i in range(3):
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])             # <<<<<<<<<<<<<<
 *     for i in range(pos_x.shape[0]):
 *         use = 1
 */
    (__pyx_v_DD[__pyx_v_i]) = ((__pyx_t_5numpy_uint64_t)(((__pyx_v_DRE[__pyx_v_i]) - (__pyx_v_DLE[__pyx_v_i])) / (__pyx_v_dds[__pyx_v_i])));
  }

  /* "yt/utilities/lib/geometry_utils.pyx":370
 *     for i in range(3):
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])
 *     for i in range(pos_x.shape[0]):             # <<<<<<<<<<<<<<
 *         use = 1
 *         p[0] = <np.float64_t> pos_x[i]
 */
  __pyx_t_2 = (__pyx_v_pos_x->dimensions[0]);
  for (__pyx_t_1 = 0; __pyx_t_1 < __pyx_t_2; __pyx_t_1+=1) {
    __pyx_v_i = __pyx_t_1;

    /* "yt/utilities/lib/geometry_utils.pyx":371
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])
 *     for i in range(pos_x.shape[0]):
 *         use = 1             # <<<<<<<<<<<<<<
 *         p[0] = <np.float64_t> pos_x[i]
 *         p[1] = <np.float64_t> pos_y[i]
 */
    __pyx_v_use = 1;

    /* "yt/utilities/lib/geometry_utils.pyx":372
 *     for i in range(pos_x.shape[0]):
 *         use = 1
 *         p[0] = <np.float64_t> pos_x[i]             # <<<<<<<<<<<<<<
 *         p[1] = <np.float64_t> pos_y[i]
 *         p[2] = <np.float64_t> pos_z[i]
 */
    __pyx_t_3 = __pyx_v_i;
    (__pyx_v_p[0]) = ((__pyx_t_5numpy_float64_t)(*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float32_t *, __pyx_pybuffernd_pos_x.rcbuffer->pybuffer.buf, __pyx_t_3, __pyx_pybuffernd_pos_x.diminfo[0].strides)));

    /* "yt/utilities/lib/geometry_utils.pyx":373
 *         use = 1
 *         p[0] = <np.float64_t> pos_x[i]
 *         p[1] = <np.float64_t> pos_y[i]             # <<<<<<<<<<<<<<
 *         p[2] = <np.float64_t> pos_z[i]
 *         for j in range(3):
 */
    __pyx_t_4 = __pyx_v_i;
    (__pyx_v_p[1]) = ((__pyx_t_5numpy_float64_t)(*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float32_t *, __pyx_pybuffernd_pos_y.rcbuffer->pybuffer.buf, __pyx_t_4, __pyx_pybuffernd_pos_y.diminfo[0].strides)));

    /* "yt/utilities/lib/geometry_utils.pyx":374
 *         p[0] = <np.float64_t> pos_x[i]
 *         p[1] = <np.float64_t> pos_y[i]
 *         p[2] = <np.float64_t> pos_z[i]             # <<<<<<<<<<<<<<
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:
 */
    __pyx_t_5 = __pyx_v_i;
    (__pyx_v_p[2]) = ((__pyx_t_5numpy_float64_t)(*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float32_t *, __pyx_pybuffernd_pos_z.rcbuffer->pybuffer.buf, __pyx_t_5, __pyx_pybuffernd_pos_z.diminfo[0].strides)));

    /* "yt/utilities/lib/geometry_utils.pyx":375
 *         p[1] = <np.float64_t> pos_y[i]
 *         p[2] = <np.float64_t> pos_z[i]
 *         for j in range(3):             # <<<<<<<<<<<<<<
 *             if p[j] < DLE[j] or p[j] > DRE[j]:
 *                 if filter == 1:
 */
    for (__pyx_t_6 = 0; __pyx_t_6 < 3; __pyx_t_6+=1) {
      __pyx_v_j = __pyx_t_6;

      /* "yt/utilities/lib/geometry_utils.pyx":376
 *         p[2] = <np.float64_t> pos_z[i]
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:             # <<<<<<<<<<<<<<
 *                 if filter == 1:
 *                     # We only allow 20 levels, so this is inaccessible
 */
      __pyx_t_8 = (((__pyx_v_p[__pyx_v_j]) < (__pyx_v_DLE[__pyx_v_j])) != 0);
      if (!__pyx_t_8) {
      } else {
        __pyx_t_7 = __pyx_t_8;
        goto __pyx_L10_bool_binop_done;
      }
      __pyx_t_8 = (((__pyx_v_p[__pyx_v_j]) > (__pyx_v_DRE[__pyx_v_j])) != 0);
      __pyx_t_7 = __pyx_t_8;
      __pyx_L10_bool_binop_done:;
      if (__pyx_t_7) {

        /* "yt/utilities/lib/geometry_utils.pyx":377
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:
 *                 if filter == 1:             # <<<<<<<<<<<<<<
 *                     # We only allow 20 levels, so this is inaccessible
 *                     use = 0
 */
        __pyx_t_7 = ((__pyx_v_filter == 1) != 0);
        if (__pyx_t_7) {

          /* "yt/utilities/lib/geometry_utils.pyx":379
 *                 if filter == 1:
 *                     # We only allow 20 levels, so this is inaccessible
 *                     use = 0             # <<<<<<<<<<<<<<
 *                     break
 *                 return i
 */
          __pyx_v_use = 0;

          /* "yt/utilities/lib/geometry_utils.pyx":380
 *                     # We only allow 20 levels, so this is inaccessible
 *                     use = 0
 *                     break             # <<<<<<<<<<<<<<
 *                 return i
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 */
          goto __pyx_L8_break;

          /* "yt/utilities/lib/geometry_utils.pyx":377
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:
 *                 if filter == 1:             # <<<<<<<<<<<<<<
 *                     # We only allow 20 levels, so this is inaccessible
 *                     use = 0
 */
        }

        /* "yt/utilities/lib/geometry_utils.pyx":381
 *                     use = 0
 *                     break
 *                 return i             # <<<<<<<<<<<<<<
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 */
        __pyx_r = __pyx_v_i;
        goto __pyx_L0;

        /* "yt/utilities/lib/geometry_utils.pyx":376
 *         p[2] = <np.float64_t> pos_z[i]
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:             # <<<<<<<<<<<<<<
 *                 if filter == 1:
 *                     # We only allow 20 levels, so this is inaccessible
 */
      }

      /* "yt/utilities/lib/geometry_utils.pyx":382
 *                     break
 *                 return i
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])             # <<<<<<<<<<<<<<
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 *         if use == 0:
 */
      (__pyx_v_ii[__pyx_v_j]) = ((__pyx_t_5numpy_uint64_t)(((__pyx_v_p[__pyx_v_j]) - (__pyx_v_DLE[__pyx_v_j])) / (__pyx_v_dds[__pyx_v_j])));

      /* "yt/utilities/lib/geometry_utils.pyx":383
 *                 return i
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)             # <<<<<<<<<<<<<<
 *         if use == 0:
 *             ind[i] = FLAG
 */
      (__pyx_v_ii[__pyx_v_j]) = __pyx_f_2yt_9utilities_3lib_8fp_utils_i64clip((__pyx_v_ii[__pyx_v_j]), 0, ((__pyx_v_DD[__pyx_v_j]) - 1));
    }
    __pyx_L8_break:;

    /* "yt/utilities/lib/geometry_utils.pyx":384
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 *         if use == 0:             # <<<<<<<<<<<<<<
 *             ind[i] = FLAG
 *             continue
 */
    __pyx_t_7 = ((__pyx_v_use == 0) != 0);
    if (__pyx_t_7) {

      /* "yt/utilities/lib/geometry_utils.pyx":385
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 *         if use == 0:
 *             ind[i] = FLAG             # <<<<<<<<<<<<<<
 *             continue
 *         mi = 0
 */
      __pyx_t_6 = __pyx_v_i;
      *__Pyx_BufPtrStrided1d(unsigned PY_LONG_LONG *, __pyx_pybuffernd_ind.rcbuffer->pybuffer.buf, __pyx_t_6, __pyx_pybuffernd_ind.diminfo[0].strides) = __pyx_v_FLAG;

      /* "yt/utilities/lib/geometry_utils.pyx":386
 *         if use == 0:
 *             ind[i] = FLAG
 *             continue             # <<<<<<<<<<<<<<
 *         mi = 0
 *         mi |= spread_bits(ii[2])<<0
 */
      goto __pyx_L5_continue;

      /* "yt/utilities/lib/geometry_utils.pyx":384
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 *         if use == 0:             # <<<<<<<<<<<<<<
 *             ind[i] = FLAG
 *             continue
 */
    }

    /* "yt/utilities/lib/geometry_utils.pyx":387
 *             ind[i] = FLAG
 *             continue
 *         mi = 0             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(ii[2])<<0
 *         mi |= spread_bits(ii[1])<<1
 */
    __pyx_v_mi = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":388
 *             continue
 *         mi = 0
 *         mi |= spread_bits(ii[2])<<0             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(ii[1])<<1
 *         mi |= spread_bits(ii[0])<<2
 */
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((__pyx_v_ii[2])) << 0));

    /* "yt/utilities/lib/geometry_utils.pyx":389
 *         mi = 0
 *         mi |= spread_bits(ii[2])<<0
 *         mi |= spread_bits(ii[1])<<1             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(ii[0])<<2
 *         ind[i] = mi
 */
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((__pyx_v_ii[1])) << 1));

    /* "yt/utilities/lib/geometry_utils.pyx":390
 *         mi |= spread_bits(ii[2])<<0
 *         mi |= spread_bits(ii[1])<<1
 *         mi |= spread_bits(ii[0])<<2             # <<<<<<<<<<<<<<
 *         ind[i] = mi
 *     return pos_x.shape[0]
 */
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((__pyx_v_ii[0])) << 2));

    /* "yt/utilities/lib/geometry_utils.pyx":391
 *         mi |= spread_bits(ii[1])<<1
 *         mi |= spread_bits(ii[0])<<2
 *         ind[i] = mi             # <<<<<<<<<<<<<<
 *     return pos_x.shape[0]
 * 
 */
    __pyx_t_9 = __pyx_v_i;
    *__Pyx_BufPtrStrided1d(unsigned PY_LONG_LONG *, __pyx_pybuffernd_ind.rcbuffer->pybuffer.buf, __pyx_t_9, __pyx_pybuffernd_ind.diminfo[0].strides) = __pyx_v_mi;
    __pyx_L5_continue:;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":392
 *         mi |= spread_bits(ii[0])<<2
 *         ind[i] = mi
 *     return pos_x.shape[0]             # <<<<<<<<<<<<<<
 * 
 * DEF ORDER_MAX=20
 */
  __pyx_r = (__pyx_v_pos_x->dimensions[0]);
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":355
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t position_to_morton(np.ndarray[anyfloat, ndim=1] pos_x,             # <<<<<<<<<<<<<<
 *                         np.ndarray[anyfloat, ndim=1] pos_y,
 *                         np.ndarray[anyfloat, ndim=1] pos_z,
 */

  /* function exit code */
  __pyx_L1_error:;
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_ind.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_x.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_y.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_z.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_WriteUnraisable("yt.utilities.lib.geometry_utils.position_to_morton", __pyx_clineno, __pyx_lineno, __pyx_filename, 0, 0);
  __pyx_r = 0;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_ind.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_x.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_y.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_z.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PY_LONG_LONG __pyx_fuse_1__pyx_f_2yt_9utilities_3lib_14geometry_utils_position_to_morton(PyArrayObject *__pyx_v_pos_x, PyArrayObject *__pyx_v_pos_y, PyArrayObject *__pyx_v_pos_z, double *__pyx_v_dds, double *__pyx_v_DLE, double *__pyx_v_DRE, PyArrayObject *__pyx_v_ind, int __pyx_v_filter) {
  __pyx_t_5numpy_uint64_t __pyx_v_mi;
  __pyx_t_5numpy_uint64_t __pyx_v_ii[3];
  __pyx_t_5numpy_float64_t __pyx_v_p[3];
  __pyx_t_5numpy_int64_t __pyx_v_i;
  __pyx_t_5numpy_int64_t __pyx_v_j;
  __pyx_t_5numpy_int64_t __pyx_v_use;
  __pyx_t_5numpy_uint64_t __pyx_v_DD[3];
  __pyx_t_5numpy_uint64_t __pyx_v_FLAG;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_ind;
  __Pyx_Buffer __pyx_pybuffer_ind;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_pos_x;
  __Pyx_Buffer __pyx_pybuffer_pos_x;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_pos_y;
  __Pyx_Buffer __pyx_pybuffer_pos_y;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_pos_z;
  __Pyx_Buffer __pyx_pybuffer_pos_z;
  PY_LONG_LONG __pyx_r;
  __Pyx_RefNannyDeclarations
  __pyx_t_5numpy_int64_t __pyx_t_1;
  npy_intp __pyx_t_2;
  __pyx_t_5numpy_int64_t __pyx_t_3;
  __pyx_t_5numpy_int64_t __pyx_t_4;
  __pyx_t_5numpy_int64_t __pyx_t_5;
  __pyx_t_5numpy_int64_t __pyx_t_6;
  int __pyx_t_7;
  int __pyx_t_8;
  __pyx_t_5numpy_int64_t __pyx_t_9;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__pyx_fuse_1position_to_morton", 0);
  __pyx_pybuffer_pos_x.pybuffer.buf = NULL;
  __pyx_pybuffer_pos_x.refcount = 0;
  __pyx_pybuffernd_pos_x.data = NULL;
  __pyx_pybuffernd_pos_x.rcbuffer = &__pyx_pybuffer_pos_x;
  __pyx_pybuffer_pos_y.pybuffer.buf = NULL;
  __pyx_pybuffer_pos_y.refcount = 0;
  __pyx_pybuffernd_pos_y.data = NULL;
  __pyx_pybuffernd_pos_y.rcbuffer = &__pyx_pybuffer_pos_y;
  __pyx_pybuffer_pos_z.pybuffer.buf = NULL;
  __pyx_pybuffer_pos_z.refcount = 0;
  __pyx_pybuffernd_pos_z.data = NULL;
  __pyx_pybuffernd_pos_z.rcbuffer = &__pyx_pybuffer_pos_z;
  __pyx_pybuffer_ind.pybuffer.buf = NULL;
  __pyx_pybuffer_ind.refcount = 0;
  __pyx_pybuffernd_ind.data = NULL;
  __pyx_pybuffernd_ind.rcbuffer = &__pyx_pybuffer_ind;
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_pos_x.rcbuffer->pybuffer, (PyObject*)__pyx_v_pos_x, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_pos_x.diminfo[0].strides = __pyx_pybuffernd_pos_x.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_pos_x.diminfo[0].shape = __pyx_pybuffernd_pos_x.rcbuffer->pybuffer.shape[0];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_pos_y.rcbuffer->pybuffer, (PyObject*)__pyx_v_pos_y, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_pos_y.diminfo[0].strides = __pyx_pybuffernd_pos_y.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_pos_y.diminfo[0].shape = __pyx_pybuffernd_pos_y.rcbuffer->pybuffer.shape[0];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_pos_z.rcbuffer->pybuffer, (PyObject*)__pyx_v_pos_z, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_pos_z.diminfo[0].strides = __pyx_pybuffernd_pos_z.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_pos_z.diminfo[0].shape = __pyx_pybuffernd_pos_z.rcbuffer->pybuffer.shape[0];
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_ind.rcbuffer->pybuffer, (PyObject*)__pyx_v_ind, &__Pyx_TypeInfo_unsigned_PY_LONG_LONG, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_ind.diminfo[0].strides = __pyx_pybuffernd_ind.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_ind.diminfo[0].shape = __pyx_pybuffernd_ind.rcbuffer->pybuffer.shape[0];

  /* "yt/utilities/lib/geometry_utils.pyx":367
 *     cdef np.int64_t i, j, use
 *     cdef np.uint64_t DD[3]
 *     cdef np.uint64_t FLAG = ~(<np.uint64_t>0)             # <<<<<<<<<<<<<<
 *     for i in range(3):
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])
 */
  __pyx_v_FLAG = (~((__pyx_t_5numpy_uint64_t)0));

  /* "yt/utilities/lib/geometry_utils.pyx":368
 *     cdef np.uint64_t DD[3]
 *     cdef np.uint64_t FLAG = ~(<np.uint64_t>0)
 *     for i in range(3):             # <<<<<<<<<<<<<<
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])
 *     for i in range(pos_x.shape[0]):
 */
  for (__pyx_t_1 = 0; __pyx_t_1 < 3; __pyx_t_1+=1) {
    __pyx_v_i = __pyx_t_1;

    /* "yt/utilities/lib/geometry_utils.pyx":369
 *     cdef np.uint64_t FLAG = ~(<np.uint64_t>0)
 *     for i in range(3):
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])             # <<<<<<<<<<<<<<
 *     for i in range(pos_x.shape[0]):
 *         use = 1
 */
    (__pyx_v_DD[__pyx_v_i]) = ((__pyx_t_5numpy_uint64_t)(((__pyx_v_DRE[__pyx_v_i]) - (__pyx_v_DLE[__pyx_v_i])) / (__pyx_v_dds[__pyx_v_i])));
  }

  /* "yt/utilities/lib/geometry_utils.pyx":370
 *     for i in range(3):
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])
 *     for i in range(pos_x.shape[0]):             # <<<<<<<<<<<<<<
 *         use = 1
 *         p[0] = <np.float64_t> pos_x[i]
 */
  __pyx_t_2 = (__pyx_v_pos_x->dimensions[0]);
  for (__pyx_t_1 = 0; __pyx_t_1 < __pyx_t_2; __pyx_t_1+=1) {
    __pyx_v_i = __pyx_t_1;

    /* "yt/utilities/lib/geometry_utils.pyx":371
 *         DD[i] = <np.uint64_t> ((DRE[i] - DLE[i]) / dds[i])
 *     for i in range(pos_x.shape[0]):
 *         use = 1             # <<<<<<<<<<<<<<
 *         p[0] = <np.float64_t> pos_x[i]
 *         p[1] = <np.float64_t> pos_y[i]
 */
    __pyx_v_use = 1;

    /* "yt/utilities/lib/geometry_utils.pyx":372
 *     for i in range(pos_x.shape[0]):
 *         use = 1
 *         p[0] = <np.float64_t> pos_x[i]             # <<<<<<<<<<<<<<
 *         p[1] = <np.float64_t> pos_y[i]
 *         p[2] = <np.float64_t> pos_z[i]
 */
    __pyx_t_3 = __pyx_v_i;
    (__pyx_v_p[0]) = ((__pyx_t_5numpy_float64_t)(*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_pos_x.rcbuffer->pybuffer.buf, __pyx_t_3, __pyx_pybuffernd_pos_x.diminfo[0].strides)));

    /* "yt/utilities/lib/geometry_utils.pyx":373
 *         use = 1
 *         p[0] = <np.float64_t> pos_x[i]
 *         p[1] = <np.float64_t> pos_y[i]             # <<<<<<<<<<<<<<
 *         p[2] = <np.float64_t> pos_z[i]
 *         for j in range(3):
 */
    __pyx_t_4 = __pyx_v_i;
    (__pyx_v_p[1]) = ((__pyx_t_5numpy_float64_t)(*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_pos_y.rcbuffer->pybuffer.buf, __pyx_t_4, __pyx_pybuffernd_pos_y.diminfo[0].strides)));

    /* "yt/utilities/lib/geometry_utils.pyx":374
 *         p[0] = <np.float64_t> pos_x[i]
 *         p[1] = <np.float64_t> pos_y[i]
 *         p[2] = <np.float64_t> pos_z[i]             # <<<<<<<<<<<<<<
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:
 */
    __pyx_t_5 = __pyx_v_i;
    (__pyx_v_p[2]) = ((__pyx_t_5numpy_float64_t)(*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_pos_z.rcbuffer->pybuffer.buf, __pyx_t_5, __pyx_pybuffernd_pos_z.diminfo[0].strides)));

    /* "yt/utilities/lib/geometry_utils.pyx":375
 *         p[1] = <np.float64_t> pos_y[i]
 *         p[2] = <np.float64_t> pos_z[i]
 *         for j in range(3):             # <<<<<<<<<<<<<<
 *             if p[j] < DLE[j] or p[j] > DRE[j]:
 *                 if filter == 1:
 */
    for (__pyx_t_6 = 0; __pyx_t_6 < 3; __pyx_t_6+=1) {
      __pyx_v_j = __pyx_t_6;

      /* "yt/utilities/lib/geometry_utils.pyx":376
 *         p[2] = <np.float64_t> pos_z[i]
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:             # <<<<<<<<<<<<<<
 *                 if filter == 1:
 *                     # We only allow 20 levels, so this is inaccessible
 */
      __pyx_t_8 = (((__pyx_v_p[__pyx_v_j]) < (__pyx_v_DLE[__pyx_v_j])) != 0);
      if (!__pyx_t_8) {
      } else {
        __pyx_t_7 = __pyx_t_8;
        goto __pyx_L10_bool_binop_done;
      }
      __pyx_t_8 = (((__pyx_v_p[__pyx_v_j]) > (__pyx_v_DRE[__pyx_v_j])) != 0);
      __pyx_t_7 = __pyx_t_8;
      __pyx_L10_bool_binop_done:;
      if (__pyx_t_7) {

        /* "yt/utilities/lib/geometry_utils.pyx":377
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:
 *                 if filter == 1:             # <<<<<<<<<<<<<<
 *                     # We only allow 20 levels, so this is inaccessible
 *                     use = 0
 */
        __pyx_t_7 = ((__pyx_v_filter == 1) != 0);
        if (__pyx_t_7) {

          /* "yt/utilities/lib/geometry_utils.pyx":379
 *                 if filter == 1:
 *                     # We only allow 20 levels, so this is inaccessible
 *                     use = 0             # <<<<<<<<<<<<<<
 *                     break
 *                 return i
 */
          __pyx_v_use = 0;

          /* "yt/utilities/lib/geometry_utils.pyx":380
 *                     # We only allow 20 levels, so this is inaccessible
 *                     use = 0
 *                     break             # <<<<<<<<<<<<<<
 *                 return i
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 */
          goto __pyx_L8_break;

          /* "yt/utilities/lib/geometry_utils.pyx":377
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:
 *                 if filter == 1:             # <<<<<<<<<<<<<<
 *                     # We only allow 20 levels, so this is inaccessible
 *                     use = 0
 */
        }

        /* "yt/utilities/lib/geometry_utils.pyx":381
 *                     use = 0
 *                     break
 *                 return i             # <<<<<<<<<<<<<<
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 */
        __pyx_r = __pyx_v_i;
        goto __pyx_L0;

        /* "yt/utilities/lib/geometry_utils.pyx":376
 *         p[2] = <np.float64_t> pos_z[i]
 *         for j in range(3):
 *             if p[j] < DLE[j] or p[j] > DRE[j]:             # <<<<<<<<<<<<<<
 *                 if filter == 1:
 *                     # We only allow 20 levels, so this is inaccessible
 */
      }

      /* "yt/utilities/lib/geometry_utils.pyx":382
 *                     break
 *                 return i
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])             # <<<<<<<<<<<<<<
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 *         if use == 0:
 */
      (__pyx_v_ii[__pyx_v_j]) = ((__pyx_t_5numpy_uint64_t)(((__pyx_v_p[__pyx_v_j]) - (__pyx_v_DLE[__pyx_v_j])) / (__pyx_v_dds[__pyx_v_j])));

      /* "yt/utilities/lib/geometry_utils.pyx":383
 *                 return i
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)             # <<<<<<<<<<<<<<
 *         if use == 0:
 *             ind[i] = FLAG
 */
      (__pyx_v_ii[__pyx_v_j]) = __pyx_f_2yt_9utilities_3lib_8fp_utils_i64clip((__pyx_v_ii[__pyx_v_j]), 0, ((__pyx_v_DD[__pyx_v_j]) - 1));
    }
    __pyx_L8_break:;

    /* "yt/utilities/lib/geometry_utils.pyx":384
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 *         if use == 0:             # <<<<<<<<<<<<<<
 *             ind[i] = FLAG
 *             continue
 */
    __pyx_t_7 = ((__pyx_v_use == 0) != 0);
    if (__pyx_t_7) {

      /* "yt/utilities/lib/geometry_utils.pyx":385
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 *         if use == 0:
 *             ind[i] = FLAG             # <<<<<<<<<<<<<<
 *             continue
 *         mi = 0
 */
      __pyx_t_6 = __pyx_v_i;
      *__Pyx_BufPtrStrided1d(unsigned PY_LONG_LONG *, __pyx_pybuffernd_ind.rcbuffer->pybuffer.buf, __pyx_t_6, __pyx_pybuffernd_ind.diminfo[0].strides) = __pyx_v_FLAG;

      /* "yt/utilities/lib/geometry_utils.pyx":386
 *         if use == 0:
 *             ind[i] = FLAG
 *             continue             # <<<<<<<<<<<<<<
 *         mi = 0
 *         mi |= spread_bits(ii[2])<<0
 */
      goto __pyx_L5_continue;

      /* "yt/utilities/lib/geometry_utils.pyx":384
 *             ii[j] = <np.uint64_t> ((p[j] - DLE[j])/dds[j])
 *             ii[j] = i64clip(ii[j], 0, DD[j] - 1)
 *         if use == 0:             # <<<<<<<<<<<<<<
 *             ind[i] = FLAG
 *             continue
 */
    }

    /* "yt/utilities/lib/geometry_utils.pyx":387
 *             ind[i] = FLAG
 *             continue
 *         mi = 0             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(ii[2])<<0
 *         mi |= spread_bits(ii[1])<<1
 */
    __pyx_v_mi = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":388
 *             continue
 *         mi = 0
 *         mi |= spread_bits(ii[2])<<0             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(ii[1])<<1
 *         mi |= spread_bits(ii[0])<<2
 */
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((__pyx_v_ii[2])) << 0));

    /* "yt/utilities/lib/geometry_utils.pyx":389
 *         mi = 0
 *         mi |= spread_bits(ii[2])<<0
 *         mi |= spread_bits(ii[1])<<1             # <<<<<<<<<<<<<<
 *         mi |= spread_bits(ii[0])<<2
 *         ind[i] = mi
 */
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((__pyx_v_ii[1])) << 1));

    /* "yt/utilities/lib/geometry_utils.pyx":390
 *         mi |= spread_bits(ii[2])<<0
 *         mi |= spread_bits(ii[1])<<1
 *         mi |= spread_bits(ii[0])<<2             # <<<<<<<<<<<<<<
 *         ind[i] = mi
 *     return pos_x.shape[0]
 */
    __pyx_v_mi = (__pyx_v_mi | (__pyx_f_2yt_9utilities_3lib_14geometry_utils_spread_bits((__pyx_v_ii[0])) << 2));

    /* "yt/utilities/lib/geometry_utils.pyx":391
 *         mi |= spread_bits(ii[1])<<1
 *         mi |= spread_bits(ii[0])<<2
 *         ind[i] = mi             # <<<<<<<<<<<<<<
 *     return pos_x.shape[0]
 * 
 */
    __pyx_t_9 = __pyx_v_i;
    *__Pyx_BufPtrStrided1d(unsigned PY_LONG_LONG *, __pyx_pybuffernd_ind.rcbuffer->pybuffer.buf, __pyx_t_9, __pyx_pybuffernd_ind.diminfo[0].strides) = __pyx_v_mi;
    __pyx_L5_continue:;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":392
 *         mi |= spread_bits(ii[0])<<2
 *         ind[i] = mi
 *     return pos_x.shape[0]             # <<<<<<<<<<<<<<
 * 
 * DEF ORDER_MAX=20
 */
  __pyx_r = (__pyx_v_pos_x->dimensions[0]);
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":355
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * cdef np.int64_t position_to_morton(np.ndarray[anyfloat, ndim=1] pos_x,             # <<<<<<<<<<<<<<
 *                         np.ndarray[anyfloat, ndim=1] pos_y,
 *                         np.ndarray[anyfloat, ndim=1] pos_z,
 */

  /* function exit code */
  __pyx_L1_error:;
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_ind.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_x.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_y.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_z.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_WriteUnraisable("yt.utilities.lib.geometry_utils.position_to_morton", __pyx_clineno, __pyx_lineno, __pyx_filename, 0, 0);
  __pyx_r = 0;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_ind.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_x.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_y.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_pos_z.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":396
 * DEF ORDER_MAX=20
 * 
 * def compute_morton(np.ndarray pos_x, np.ndarray pos_y, np.ndarray pos_z,             # <<<<<<<<<<<<<<
 *                    domain_left_edge, domain_right_edge, filter_bbox = False):
 *     cdef int i
 */

/* Python wrapper */
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_13compute_morton(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_2yt_9utilities_3lib_14geometry_utils_13compute_morton = {"compute_morton", (PyCFunction)__pyx_pw_2yt_9utilities_3lib_14geometry_utils_13compute_morton, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_13compute_morton(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyArrayObject *__pyx_v_pos_x = 0;
  PyArrayObject *__pyx_v_pos_y = 0;
  PyArrayObject *__pyx_v_pos_z = 0;
  PyObject *__pyx_v_domain_left_edge = 0;
  PyObject *__pyx_v_domain_right_edge = 0;
  PyObject *__pyx_v_filter_bbox = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("compute_morton (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_pos_x,&__pyx_n_s_pos_y,&__pyx_n_s_pos_z,&__pyx_n_s_domain_left_edge,&__pyx_n_s_domain_right_edge,&__pyx_n_s_filter_bbox,0};
    PyObject* values[6] = {0,0,0,0,0,0};

    /* "yt/utilities/lib/geometry_utils.pyx":397
 * 
 * def compute_morton(np.ndarray pos_x, np.ndarray pos_y, np.ndarray pos_z,
 *                    domain_left_edge, domain_right_edge, filter_bbox = False):             # <<<<<<<<<<<<<<
 *     cdef int i
 *     cdef int filter
 */
    values[5] = ((PyObject *)Py_False);
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_pos_x)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        case  1:
        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_pos_y)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("compute_morton", 0, 5, 6, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  2:
        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_pos_z)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("compute_morton", 0, 5, 6, 2); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  3:
        if (likely((values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_domain_left_edge)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("compute_morton", 0, 5, 6, 3); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  4:
        if (likely((values[4] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_domain_right_edge)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("compute_morton", 0, 5, 6, 4); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  5:
        if (kw_args > 0) {
          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_filter_bbox);
          if (value) { values[5] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "compute_morton") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_pos_x = ((PyArrayObject *)values[0]);
    __pyx_v_pos_y = ((PyArrayObject *)values[1]);
    __pyx_v_pos_z = ((PyArrayObject *)values[2]);
    __pyx_v_domain_left_edge = values[3];
    __pyx_v_domain_right_edge = values[4];
    __pyx_v_filter_bbox = values[5];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("compute_morton", 0, 5, 6, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
  __pyx_L3_error:;
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.compute_morton", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_pos_x), __pyx_ptype_5numpy_ndarray, 1, "pos_x", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_pos_y), __pyx_ptype_5numpy_ndarray, 1, "pos_y", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_pos_z), __pyx_ptype_5numpy_ndarray, 1, "pos_z", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_r = __pyx_pf_2yt_9utilities_3lib_14geometry_utils_12compute_morton(__pyx_self, __pyx_v_pos_x, __pyx_v_pos_y, __pyx_v_pos_z, __pyx_v_domain_left_edge, __pyx_v_domain_right_edge, __pyx_v_filter_bbox);

  /* "yt/utilities/lib/geometry_utils.pyx":396
 * DEF ORDER_MAX=20
 * 
 * def compute_morton(np.ndarray pos_x, np.ndarray pos_y, np.ndarray pos_z,             # <<<<<<<<<<<<<<
 *                    domain_left_edge, domain_right_edge, filter_bbox = False):
 *     cdef int i
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_12compute_morton(CYTHON_UNUSED PyObject *__pyx_self, PyArrayObject *__pyx_v_pos_x, PyArrayObject *__pyx_v_pos_y, PyArrayObject *__pyx_v_pos_z, PyObject *__pyx_v_domain_left_edge, PyObject *__pyx_v_domain_right_edge, PyObject *__pyx_v_filter_bbox) {
  int __pyx_v_i;
  int __pyx_v_filter;
  __pyx_t_5numpy_float64_t __pyx_v_dds[3];
  __pyx_t_5numpy_float64_t __pyx_v_DLE[3];
  __pyx_t_5numpy_float64_t __pyx_v_DRE[3];
  PyArrayObject *__pyx_v_ind = 0;
  __pyx_t_5numpy_int64_t __pyx_v_rv;
  PyObject *__pyx_v_mis = NULL;
  PyObject *__pyx_v_mas = NULL;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_ind;
  __Pyx_Buffer __pyx_pybuffer_ind;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  __pyx_t_5numpy_float64_t __pyx_t_4;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyArrayObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyObject *__pyx_t_11 = NULL;
  PyObject *__pyx_t_12 = NULL;
  Py_ssize_t __pyx_t_13;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("compute_morton", 0);
  __pyx_pybuffer_ind.pybuffer.buf = NULL;
  __pyx_pybuffer_ind.refcount = 0;
  __pyx_pybuffernd_ind.data = NULL;
  __pyx_pybuffernd_ind.rcbuffer = &__pyx_pybuffer_ind;

  /* "yt/utilities/lib/geometry_utils.pyx":400
 *     cdef int i
 *     cdef int filter
 *     if filter_bbox:             # <<<<<<<<<<<<<<
 *         filter = 1
 *     else:
 */
  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_v_filter_bbox); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 400; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  if (__pyx_t_1) {

    /* "yt/utilities/lib/geometry_utils.pyx":401
 *     cdef int filter
 *     if filter_bbox:
 *         filter = 1             # <<<<<<<<<<<<<<
 *     else:
 *         filter = 0
 */
    __pyx_v_filter = 1;

    /* "yt/utilities/lib/geometry_utils.pyx":400
 *     cdef int i
 *     cdef int filter
 *     if filter_bbox:             # <<<<<<<<<<<<<<
 *         filter = 1
 *     else:
 */
    goto __pyx_L3;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":403
 *         filter = 1
 *     else:
 *         filter = 0             # <<<<<<<<<<<<<<
 *     cdef np.float64_t dds[3]
 *     cdef np.float64_t DLE[3]
 */
  /*else*/ {
    __pyx_v_filter = 0;
  }
  __pyx_L3:;

  /* "yt/utilities/lib/geometry_utils.pyx":407
 *     cdef np.float64_t DLE[3]
 *     cdef np.float64_t DRE[3]
 *     for i in range(3):             # <<<<<<<<<<<<<<
 *         DLE[i] = domain_left_edge[i]
 *         DRE[i] = domain_right_edge[i]
 */
  for (__pyx_t_2 = 0; __pyx_t_2 < 3; __pyx_t_2+=1) {
    __pyx_v_i = __pyx_t_2;

    /* "yt/utilities/lib/geometry_utils.pyx":408
 *     cdef np.float64_t DRE[3]
 *     for i in range(3):
 *         DLE[i] = domain_left_edge[i]             # <<<<<<<<<<<<<<
 *         DRE[i] = domain_right_edge[i]
 *         dds[i] = (DRE[i] - DLE[i]) / (1 << ORDER_MAX)
 */
    __pyx_t_3 = __Pyx_GetItemInt(__pyx_v_domain_left_edge, __pyx_v_i, int, 1, __Pyx_PyInt_From_int, 0, 1, 1); if (unlikely(__pyx_t_3 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 408; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_4 == (npy_float64)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 408; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    (__pyx_v_DLE[__pyx_v_i]) = __pyx_t_4;

    /* "yt/utilities/lib/geometry_utils.pyx":409
 *     for i in range(3):
 *         DLE[i] = domain_left_edge[i]
 *         DRE[i] = domain_right_edge[i]             # <<<<<<<<<<<<<<
 *         dds[i] = (DRE[i] - DLE[i]) / (1 << ORDER_MAX)
 *     cdef np.ndarray[np.uint64_t, ndim=1] ind
 */
    __pyx_t_3 = __Pyx_GetItemInt(__pyx_v_domain_right_edge, __pyx_v_i, int, 1, __Pyx_PyInt_From_int, 0, 1, 1); if (unlikely(__pyx_t_3 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 409; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_4 == (npy_float64)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 409; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    (__pyx_v_DRE[__pyx_v_i]) = __pyx_t_4;

    /* "yt/utilities/lib/geometry_utils.pyx":410
 *         DLE[i] = domain_left_edge[i]
 *         DRE[i] = domain_right_edge[i]
 *         dds[i] = (DRE[i] - DLE[i]) / (1 << ORDER_MAX)             # <<<<<<<<<<<<<<
 *     cdef np.ndarray[np.uint64_t, ndim=1] ind
 *     ind = np.zeros(pos_x.shape[0], dtype="uint64")
 */
    (__pyx_v_dds[__pyx_v_i]) = (((__pyx_v_DRE[__pyx_v_i]) - (__pyx_v_DLE[__pyx_v_i])) / 1048576.0);
  }

  /* "yt/utilities/lib/geometry_utils.pyx":412
 *         dds[i] = (DRE[i] - DLE[i]) / (1 << ORDER_MAX)
 *     cdef np.ndarray[np.uint64_t, ndim=1] ind
 *     ind = np.zeros(pos_x.shape[0], dtype="uint64")             # <<<<<<<<<<<<<<
 *     cdef np.int64_t rv
 *     if pos_x.dtype == np.float32:
 */
  __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_zeros); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_3 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_pos_x->dimensions[0])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_6 = PyTuple_New(1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_6);
  __Pyx_GIVEREF(__pyx_t_3);
  PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_3);
  __pyx_t_3 = 0;
  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_dtype, __pyx_n_s_uint64) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_7 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_6, __pyx_t_3); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_7);
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (!(likely(((__pyx_t_7) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_7, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_8 = ((PyArrayObject *)__pyx_t_7);
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_ind.rcbuffer->pybuffer);
    __pyx_t_2 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_ind.rcbuffer->pybuffer, (PyObject*)__pyx_t_8, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack);
    if (unlikely(__pyx_t_2 < 0)) {
      PyErr_Fetch(&__pyx_t_9, &__pyx_t_10, &__pyx_t_11);
      if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_ind.rcbuffer->pybuffer, (PyObject*)__pyx_v_ind, &__Pyx_TypeInfo_nn___pyx_t_5numpy_uint64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
        Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_11);
        __Pyx_RaiseBufferFallbackError();
      } else {
        PyErr_Restore(__pyx_t_9, __pyx_t_10, __pyx_t_11);
      }
    }
    __pyx_pybuffernd_ind.diminfo[0].strides = __pyx_pybuffernd_ind.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_ind.diminfo[0].shape = __pyx_pybuffernd_ind.rcbuffer->pybuffer.shape[0];
    if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_t_8 = 0;
  __pyx_v_ind = ((PyArrayObject *)__pyx_t_7);
  __pyx_t_7 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":414
 *     ind = np.zeros(pos_x.shape[0], dtype="uint64")
 *     cdef np.int64_t rv
 *     if pos_x.dtype == np.float32:             # <<<<<<<<<<<<<<
 *         rv = position_to_morton[np.float32_t](
 *                 pos_x, pos_y, pos_z, dds, DLE, DRE, ind,
 */
  __pyx_t_7 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_pos_x), __pyx_n_s_dtype); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_7);
  __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_float32); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_6);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_3 = PyObject_RichCompare(__pyx_t_7, __pyx_t_6, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (__pyx_t_1) {

    /* "yt/utilities/lib/geometry_utils.pyx":415
 *     cdef np.int64_t rv
 *     if pos_x.dtype == np.float32:
 *         rv = position_to_morton[np.float32_t](             # <<<<<<<<<<<<<<
 *                 pos_x, pos_y, pos_z, dds, DLE, DRE, ind,
 *                 filter)
 */
    __pyx_v_rv = __pyx_fuse_0__pyx_f_2yt_9utilities_3lib_14geometry_utils_position_to_morton(((PyArrayObject *)__pyx_v_pos_x), ((PyArrayObject *)__pyx_v_pos_y), ((PyArrayObject *)__pyx_v_pos_z), __pyx_v_dds, __pyx_v_DLE, __pyx_v_DRE, ((PyArrayObject *)__pyx_v_ind), __pyx_v_filter);

    /* "yt/utilities/lib/geometry_utils.pyx":414
 *     ind = np.zeros(pos_x.shape[0], dtype="uint64")
 *     cdef np.int64_t rv
 *     if pos_x.dtype == np.float32:             # <<<<<<<<<<<<<<
 *         rv = position_to_morton[np.float32_t](
 *                 pos_x, pos_y, pos_z, dds, DLE, DRE, ind,
 */
    goto __pyx_L6;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":418
 *                 pos_x, pos_y, pos_z, dds, DLE, DRE, ind,
 *                 filter)
 *     elif pos_x.dtype == np.float64:             # <<<<<<<<<<<<<<
 *         rv = position_to_morton[np.float64_t](
 *                 pos_x, pos_y, pos_z, dds, DLE, DRE, ind,
 */
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_pos_x), __pyx_n_s_dtype); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 418; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 418; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_7 = __Pyx_PyObject_GetAttrStr(__pyx_t_6, __pyx_n_s_float64); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 418; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_7);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_t_6 = PyObject_RichCompare(__pyx_t_3, __pyx_t_7, Py_EQ); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 418; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 418; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  if (__pyx_t_1) {

    /* "yt/utilities/lib/geometry_utils.pyx":419
 *                 filter)
 *     elif pos_x.dtype == np.float64:
 *         rv = position_to_morton[np.float64_t](             # <<<<<<<<<<<<<<
 *                 pos_x, pos_y, pos_z, dds, DLE, DRE, ind,
 *                 filter)
 */
    __pyx_v_rv = __pyx_fuse_1__pyx_f_2yt_9utilities_3lib_14geometry_utils_position_to_morton(((PyArrayObject *)__pyx_v_pos_x), ((PyArrayObject *)__pyx_v_pos_y), ((PyArrayObject *)__pyx_v_pos_z), __pyx_v_dds, __pyx_v_DLE, __pyx_v_DRE, ((PyArrayObject *)__pyx_v_ind), __pyx_v_filter);

    /* "yt/utilities/lib/geometry_utils.pyx":418
 *                 pos_x, pos_y, pos_z, dds, DLE, DRE, ind,
 *                 filter)
 *     elif pos_x.dtype == np.float64:             # <<<<<<<<<<<<<<
 *         rv = position_to_morton[np.float64_t](
 *                 pos_x, pos_y, pos_z, dds, DLE, DRE, ind,
 */
    goto __pyx_L6;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":423
 *                 filter)
 *     else:
 *         print "Could not identify dtype.", pos_x.dtype             # <<<<<<<<<<<<<<
 *         raise NotImplementedError
 *     if rv < pos_x.shape[0]:
 */
  /*else*/ {
    __pyx_t_6 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_pos_x), __pyx_n_s_dtype); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 423; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_6);
    __pyx_t_7 = PyTuple_New(2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 423; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_7);
    __Pyx_INCREF(__pyx_kp_s_Could_not_identify_dtype);
    __Pyx_GIVEREF(__pyx_kp_s_Could_not_identify_dtype);
    PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_kp_s_Could_not_identify_dtype);
    __Pyx_GIVEREF(__pyx_t_6);
    PyTuple_SET_ITEM(__pyx_t_7, 1, __pyx_t_6);
    __pyx_t_6 = 0;
    if (__Pyx_Print(0, __pyx_t_7, 1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 423; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":424
 *     else:
 *         print "Could not identify dtype.", pos_x.dtype
 *         raise NotImplementedError             # <<<<<<<<<<<<<<
 *     if rv < pos_x.shape[0]:
 *         mis = (pos_x.min(), pos_y.min(), pos_z.min())
 */
    __Pyx_Raise(__pyx_builtin_NotImplementedError, 0, 0, 0);
    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_L6:;

  /* "yt/utilities/lib/geometry_utils.pyx":425
 *         print "Could not identify dtype.", pos_x.dtype
 *         raise NotImplementedError
 *     if rv < pos_x.shape[0]:             # <<<<<<<<<<<<<<
 *         mis = (pos_x.min(), pos_y.min(), pos_z.min())
 *         mas = (pos_x.max(), pos_y.max(), pos_z.max())
 */
  __pyx_t_1 = ((__pyx_v_rv < (__pyx_v_pos_x->dimensions[0])) != 0);
  if (__pyx_t_1) {

    /* "yt/utilities/lib/geometry_utils.pyx":426
 *         raise NotImplementedError
 *     if rv < pos_x.shape[0]:
 *         mis = (pos_x.min(), pos_y.min(), pos_z.min())             # <<<<<<<<<<<<<<
 *         mas = (pos_x.max(), pos_y.max(), pos_z.max())
 *         raise YTDomainOverflow(mis, mas,
 */
    __pyx_t_6 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_pos_x), __pyx_n_s_min); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_6);
    __pyx_t_3 = NULL;
    if (CYTHON_COMPILING_IN_CPYTHON && likely(PyMethod_Check(__pyx_t_6))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_6);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_6, function);
      }
    }
    if (__pyx_t_3) {
      __pyx_t_7 = __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_3); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else {
      __pyx_t_7 = __Pyx_PyObject_CallNoArg(__pyx_t_6); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __Pyx_GOTREF(__pyx_t_7);
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_pos_y), __pyx_n_s_min); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_5 = NULL;
    if (CYTHON_COMPILING_IN_CPYTHON && likely(PyMethod_Check(__pyx_t_3))) {
      __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_3);
      if (likely(__pyx_t_5)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
        __Pyx_INCREF(__pyx_t_5);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_3, function);
      }
    }
    if (__pyx_t_5) {
      __pyx_t_6 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_5); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    } else {
      __pyx_t_6 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __Pyx_GOTREF(__pyx_t_6);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_pos_z), __pyx_n_s_min); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_t_12 = NULL;
    if (CYTHON_COMPILING_IN_CPYTHON && likely(PyMethod_Check(__pyx_t_5))) {
      __pyx_t_12 = PyMethod_GET_SELF(__pyx_t_5);
      if (likely(__pyx_t_12)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
        __Pyx_INCREF(__pyx_t_12);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_5, function);
      }
    }
    if (__pyx_t_12) {
      __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_12); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
    } else {
      __pyx_t_3 = __Pyx_PyObject_CallNoArg(__pyx_t_5); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __pyx_t_5 = PyTuple_New(3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_GIVEREF(__pyx_t_7);
    PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_7);
    __Pyx_GIVEREF(__pyx_t_6);
    PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_t_6);
    __Pyx_GIVEREF(__pyx_t_3);
    PyTuple_SET_ITEM(__pyx_t_5, 2, __pyx_t_3);
    __pyx_t_7 = 0;
    __pyx_t_6 = 0;
    __pyx_t_3 = 0;
    __pyx_v_mis = ((PyObject*)__pyx_t_5);
    __pyx_t_5 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":427
 *     if rv < pos_x.shape[0]:
 *         mis = (pos_x.min(), pos_y.min(), pos_z.min())
 *         mas = (pos_x.max(), pos_y.max(), pos_z.max())             # <<<<<<<<<<<<<<
 *         raise YTDomainOverflow(mis, mas,
 *                                domain_left_edge, domain_right_edge)
 */
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_pos_x), __pyx_n_s_max); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_6 = NULL;
    if (CYTHON_COMPILING_IN_CPYTHON && likely(PyMethod_Check(__pyx_t_3))) {
      __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_3);
      if (likely(__pyx_t_6)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
        __Pyx_INCREF(__pyx_t_6);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_3, function);
      }
    }
    if (__pyx_t_6) {
      __pyx_t_5 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_6); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    } else {
      __pyx_t_5 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __pyx_t_6 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_pos_y), __pyx_n_s_max); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_6);
    __pyx_t_7 = NULL;
    if (CYTHON_COMPILING_IN_CPYTHON && likely(PyMethod_Check(__pyx_t_6))) {
      __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_6);
      if (likely(__pyx_t_7)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
        __Pyx_INCREF(__pyx_t_7);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_6, function);
      }
    }
    if (__pyx_t_7) {
      __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_7); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    } else {
      __pyx_t_3 = __Pyx_PyObject_CallNoArg(__pyx_t_6); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __pyx_t_7 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_pos_z), __pyx_n_s_max); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_7);
    __pyx_t_12 = NULL;
    if (CYTHON_COMPILING_IN_CPYTHON && likely(PyMethod_Check(__pyx_t_7))) {
      __pyx_t_12 = PyMethod_GET_SELF(__pyx_t_7);
      if (likely(__pyx_t_12)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_7);
        __Pyx_INCREF(__pyx_t_12);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_7, function);
      }
    }
    if (__pyx_t_12) {
      __pyx_t_6 = __Pyx_PyObject_CallOneArg(__pyx_t_7, __pyx_t_12); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
    } else {
      __pyx_t_6 = __Pyx_PyObject_CallNoArg(__pyx_t_7); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __Pyx_GOTREF(__pyx_t_6);
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    __pyx_t_7 = PyTuple_New(3); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_7);
    __Pyx_GIVEREF(__pyx_t_5);
    PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_5);
    __Pyx_GIVEREF(__pyx_t_3);
    PyTuple_SET_ITEM(__pyx_t_7, 1, __pyx_t_3);
    __Pyx_GIVEREF(__pyx_t_6);
    PyTuple_SET_ITEM(__pyx_t_7, 2, __pyx_t_6);
    __pyx_t_5 = 0;
    __pyx_t_3 = 0;
    __pyx_t_6 = 0;
    __pyx_v_mas = ((PyObject*)__pyx_t_7);
    __pyx_t_7 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":428
 *         mis = (pos_x.min(), pos_y.min(), pos_z.min())
 *         mas = (pos_x.max(), pos_y.max(), pos_z.max())
 *         raise YTDomainOverflow(mis, mas,             # <<<<<<<<<<<<<<
 *                                domain_left_edge, domain_right_edge)
 *     return ind
 */
    __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_YTDomainOverflow); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_6);

    /* "yt/utilities/lib/geometry_utils.pyx":429
 *         mas = (pos_x.max(), pos_y.max(), pos_z.max())
 *         raise YTDomainOverflow(mis, mas,
 *                                domain_left_edge, domain_right_edge)             # <<<<<<<<<<<<<<
 *     return ind
 * 
 */
    __pyx_t_3 = NULL;
    __pyx_t_13 = 0;
    if (CYTHON_COMPILING_IN_CPYTHON && unlikely(PyMethod_Check(__pyx_t_6))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_6);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_6, function);
        __pyx_t_13 = 1;
      }
    }
    __pyx_t_5 = PyTuple_New(4+__pyx_t_13); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_5);
    if (__pyx_t_3) {
      __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_3); __pyx_t_3 = NULL;
    }
    __Pyx_INCREF(__pyx_v_mis);
    __Pyx_GIVEREF(__pyx_v_mis);
    PyTuple_SET_ITEM(__pyx_t_5, 0+__pyx_t_13, __pyx_v_mis);
    __Pyx_INCREF(__pyx_v_mas);
    __Pyx_GIVEREF(__pyx_v_mas);
    PyTuple_SET_ITEM(__pyx_t_5, 1+__pyx_t_13, __pyx_v_mas);
    __Pyx_INCREF(__pyx_v_domain_left_edge);
    __Pyx_GIVEREF(__pyx_v_domain_left_edge);
    PyTuple_SET_ITEM(__pyx_t_5, 2+__pyx_t_13, __pyx_v_domain_left_edge);
    __Pyx_INCREF(__pyx_v_domain_right_edge);
    __Pyx_GIVEREF(__pyx_v_domain_right_edge);
    PyTuple_SET_ITEM(__pyx_t_5, 3+__pyx_t_13, __pyx_v_domain_right_edge);
    __pyx_t_7 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_5, NULL); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_7);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_Raise(__pyx_t_7, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

    /* "yt/utilities/lib/geometry_utils.pyx":425
 *         print "Could not identify dtype.", pos_x.dtype
 *         raise NotImplementedError
 *     if rv < pos_x.shape[0]:             # <<<<<<<<<<<<<<
 *         mis = (pos_x.min(), pos_y.min(), pos_z.min())
 *         mas = (pos_x.max(), pos_y.max(), pos_z.max())
 */
  }

  /* "yt/utilities/lib/geometry_utils.pyx":430
 *         raise YTDomainOverflow(mis, mas,
 *                                domain_left_edge, domain_right_edge)
 *     return ind             # <<<<<<<<<<<<<<
 * 
 * @cython.boundscheck(False)
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(((PyObject *)__pyx_v_ind));
  __pyx_r = ((PyObject *)__pyx_v_ind);
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":396
 * DEF ORDER_MAX=20
 * 
 * def compute_morton(np.ndarray pos_x, np.ndarray pos_y, np.ndarray pos_z,             # <<<<<<<<<<<<<<
 *                    domain_left_edge, domain_right_edge, filter_bbox = False):
 *     cdef int i
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_12);
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_ind.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.compute_morton", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_ind.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_ind);
  __Pyx_XDECREF(__pyx_v_mis);
  __Pyx_XDECREF(__pyx_v_mas);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":435
 * @cython.wraparound(False)
 * @cython.cdivision(True)
 * def obtain_rv_vec(data):             # <<<<<<<<<<<<<<
 *     # This is just to let the pointers exist and whatnot.  We can't cdef them
 *     # inside conditionals.
 */

/* Python wrapper */
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_15obtain_rv_vec(PyObject *__pyx_self, PyObject *__pyx_v_data); /*proto*/
static PyMethodDef __pyx_mdef_2yt_9utilities_3lib_14geometry_utils_15obtain_rv_vec = {"obtain_rv_vec", (PyCFunction)__pyx_pw_2yt_9utilities_3lib_14geometry_utils_15obtain_rv_vec, METH_O, 0};
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_15obtain_rv_vec(PyObject *__pyx_self, PyObject *__pyx_v_data) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("obtain_rv_vec (wrapper)", 0);
  __pyx_r = __pyx_pf_2yt_9utilities_3lib_14geometry_utils_14obtain_rv_vec(__pyx_self, ((PyObject *)__pyx_v_data));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_14obtain_rv_vec(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_data) {
  PyArrayObject *__pyx_v_vxf = 0;
  PyArrayObject *__pyx_v_vyf = 0;
  PyArrayObject *__pyx_v_vzf = 0;
  PyArrayObject *__pyx_v_rvf = 0;
  PyArrayObject *__pyx_v_vxg = 0;
  PyArrayObject *__pyx_v_vyg = 0;
  PyArrayObject *__pyx_v_vzg = 0;
  PyArrayObject *__pyx_v_rvg = 0;
  __pyx_t_5numpy_float64_t __pyx_v_bv[3];
  int __pyx_v_i;
  int __pyx_v_j;
  int __pyx_v_k;
  PyObject *__pyx_v_bulk_velocity = NULL;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_rvf;
  __Pyx_Buffer __pyx_pybuffer_rvf;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_rvg;
  __Pyx_Buffer __pyx_pybuffer_rvg;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_vxf;
  __Pyx_Buffer __pyx_pybuffer_vxf;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_vxg;
  __Pyx_Buffer __pyx_pybuffer_vxg;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_vyf;
  __Pyx_Buffer __pyx_pybuffer_vyf;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_vyg;
  __Pyx_Buffer __pyx_pybuffer_vyg;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_vzf;
  __Pyx_Buffer __pyx_pybuffer_vzf;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_vzg;
  __Pyx_Buffer __pyx_pybuffer_vzg;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_t_3;
  __pyx_t_5numpy_float64_t __pyx_t_4;
  Py_ssize_t __pyx_t_5;
  PyArrayObject *__pyx_t_6 = NULL;
  int __pyx_t_7;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyArrayObject *__pyx_t_11 = NULL;
  PyArrayObject *__pyx_t_12 = NULL;
  PyObject *__pyx_t_13 = NULL;
  PyObject *__pyx_t_14 = NULL;
  PyObject *__pyx_t_15 = NULL;
  PyArrayObject *__pyx_t_16 = NULL;
  npy_intp __pyx_t_17;
  Py_ssize_t __pyx_t_18;
  Py_ssize_t __pyx_t_19;
  Py_ssize_t __pyx_t_20;
  Py_ssize_t __pyx_t_21;
  Py_ssize_t __pyx_t_22;
  Py_ssize_t __pyx_t_23;
  Py_ssize_t __pyx_t_24;
  Py_ssize_t __pyx_t_25;
  Py_ssize_t __pyx_t_26;
  PyArrayObject *__pyx_t_27 = NULL;
  PyArrayObject *__pyx_t_28 = NULL;
  PyArrayObject *__pyx_t_29 = NULL;
  PyObject *__pyx_t_30 = NULL;
  PyArrayObject *__pyx_t_31 = NULL;
  npy_intp __pyx_t_32;
  int __pyx_t_33;
  npy_intp __pyx_t_34;
  int __pyx_t_35;
  Py_ssize_t __pyx_t_36;
  Py_ssize_t __pyx_t_37;
  Py_ssize_t __pyx_t_38;
  Py_ssize_t __pyx_t_39;
  Py_ssize_t __pyx_t_40;
  Py_ssize_t __pyx_t_41;
  Py_ssize_t __pyx_t_42;
  Py_ssize_t __pyx_t_43;
  Py_ssize_t __pyx_t_44;
  Py_ssize_t __pyx_t_45;
  Py_ssize_t __pyx_t_46;
  Py_ssize_t __pyx_t_47;
  Py_ssize_t __pyx_t_48;
  Py_ssize_t __pyx_t_49;
  Py_ssize_t __pyx_t_50;
  Py_ssize_t __pyx_t_51;
  Py_ssize_t __pyx_t_52;
  Py_ssize_t __pyx_t_53;
  Py_ssize_t __pyx_t_54;
  Py_ssize_t __pyx_t_55;
  Py_ssize_t __pyx_t_56;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("obtain_rv_vec", 0);
  __pyx_pybuffer_vxf.pybuffer.buf = NULL;
  __pyx_pybuffer_vxf.refcount = 0;
  __pyx_pybuffernd_vxf.data = NULL;
  __pyx_pybuffernd_vxf.rcbuffer = &__pyx_pybuffer_vxf;
  __pyx_pybuffer_vyf.pybuffer.buf = NULL;
  __pyx_pybuffer_vyf.refcount = 0;
  __pyx_pybuffernd_vyf.data = NULL;
  __pyx_pybuffernd_vyf.rcbuffer = &__pyx_pybuffer_vyf;
  __pyx_pybuffer_vzf.pybuffer.buf = NULL;
  __pyx_pybuffer_vzf.refcount = 0;
  __pyx_pybuffernd_vzf.data = NULL;
  __pyx_pybuffernd_vzf.rcbuffer = &__pyx_pybuffer_vzf;
  __pyx_pybuffer_rvf.pybuffer.buf = NULL;
  __pyx_pybuffer_rvf.refcount = 0;
  __pyx_pybuffernd_rvf.data = NULL;
  __pyx_pybuffernd_rvf.rcbuffer = &__pyx_pybuffer_rvf;
  __pyx_pybuffer_vxg.pybuffer.buf = NULL;
  __pyx_pybuffer_vxg.refcount = 0;
  __pyx_pybuffernd_vxg.data = NULL;
  __pyx_pybuffernd_vxg.rcbuffer = &__pyx_pybuffer_vxg;
  __pyx_pybuffer_vyg.pybuffer.buf = NULL;
  __pyx_pybuffer_vyg.refcount = 0;
  __pyx_pybuffernd_vyg.data = NULL;
  __pyx_pybuffernd_vyg.rcbuffer = &__pyx_pybuffer_vyg;
  __pyx_pybuffer_vzg.pybuffer.buf = NULL;
  __pyx_pybuffer_vzg.refcount = 0;
  __pyx_pybuffernd_vzg.data = NULL;
  __pyx_pybuffernd_vzg.rcbuffer = &__pyx_pybuffer_vzg;
  __pyx_pybuffer_rvg.pybuffer.buf = NULL;
  __pyx_pybuffer_rvg.refcount = 0;
  __pyx_pybuffernd_rvg.data = NULL;
  __pyx_pybuffernd_rvg.rcbuffer = &__pyx_pybuffer_rvg;

  /* "yt/utilities/lib/geometry_utils.pyx":448
 *     cdef np.float64_t bv[3]
 *     cdef int i, j, k
 *     bulk_velocity = data.get_field_parameter("bulk_velocity")             # <<<<<<<<<<<<<<
 *     if bulk_velocity == None:
 *         bulk_velocity = np.zeros(3)
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_data, __pyx_n_s_get_field_parameter); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 448; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_tuple__2, NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 448; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_v_bulk_velocity = __pyx_t_2;
  __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":449
 *     cdef int i, j, k
 *     bulk_velocity = data.get_field_parameter("bulk_velocity")
 *     if bulk_velocity == None:             # <<<<<<<<<<<<<<
 *         bulk_velocity = np.zeros(3)
 *     bv[0] = bulk_velocity[0]; bv[1] = bulk_velocity[1]; bv[2] = bulk_velocity[2]
 */
  __pyx_t_2 = PyObject_RichCompare(__pyx_v_bulk_velocity, Py_None, Py_EQ); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (__pyx_t_3) {

    /* "yt/utilities/lib/geometry_utils.pyx":450
 *     bulk_velocity = data.get_field_parameter("bulk_velocity")
 *     if bulk_velocity == None:
 *         bulk_velocity = np.zeros(3)             # <<<<<<<<<<<<<<
 *     bv[0] = bulk_velocity[0]; bv[1] = bulk_velocity[1]; bv[2] = bulk_velocity[2]
 *     if len(data['velocity_x'].shape) == 1:
 */
    __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_zeros); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_tuple__3, NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_DECREF_SET(__pyx_v_bulk_velocity, __pyx_t_2);
    __pyx_t_2 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":449
 *     cdef int i, j, k
 *     bulk_velocity = data.get_field_parameter("bulk_velocity")
 *     if bulk_velocity == None:             # <<<<<<<<<<<<<<
 *         bulk_velocity = np.zeros(3)
 *     bv[0] = bulk_velocity[0]; bv[1] = bulk_velocity[1]; bv[2] = bulk_velocity[2]
 */
  }

  /* "yt/utilities/lib/geometry_utils.pyx":451
 *     if bulk_velocity == None:
 *         bulk_velocity = np.zeros(3)
 *     bv[0] = bulk_velocity[0]; bv[1] = bulk_velocity[1]; bv[2] = bulk_velocity[2]             # <<<<<<<<<<<<<<
 *     if len(data['velocity_x'].shape) == 1:
 *         # One dimensional data
 */
  __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_bulk_velocity, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(__pyx_t_2 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_4 == (npy_float64)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  (__pyx_v_bv[0]) = __pyx_t_4;
  __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_bulk_velocity, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(__pyx_t_2 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_4 == (npy_float64)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  (__pyx_v_bv[1]) = __pyx_t_4;
  __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_bulk_velocity, 2, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(__pyx_t_2 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_4 == (npy_float64)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  (__pyx_v_bv[2]) = __pyx_t_4;

  /* "yt/utilities/lib/geometry_utils.pyx":452
 *         bulk_velocity = np.zeros(3)
 *     bv[0] = bulk_velocity[0]; bv[1] = bulk_velocity[1]; bv[2] = bulk_velocity[2]
 *     if len(data['velocity_x'].shape) == 1:             # <<<<<<<<<<<<<<
 *         # One dimensional data
 *         vxf = data['velocity_x'].astype("float64")
 */
  __pyx_t_2 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_velocity_x); if (unlikely(__pyx_t_2 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 452; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_shape); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_5 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_3 = ((__pyx_t_5 == 1) != 0);
  if (__pyx_t_3) {

    /* "yt/utilities/lib/geometry_utils.pyx":454
 *     if len(data['velocity_x'].shape) == 1:
 *         # One dimensional data
 *         vxf = data['velocity_x'].astype("float64")             # <<<<<<<<<<<<<<
 *         vyf = data['velocity_y'].astype("float64")
 *         vzf = data['velocity_z'].astype("float64")
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_velocity_x); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 454; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_astype); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 454; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_tuple__4, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 454; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 454; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_6 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vxf.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vxf.rcbuffer->pybuffer, (PyObject*)__pyx_t_6, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_8, &__pyx_t_9, &__pyx_t_10);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vxf.rcbuffer->pybuffer, (PyObject*)__pyx_v_vxf, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_8); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_8, __pyx_t_9, __pyx_t_10);
        }
      }
      __pyx_pybuffernd_vxf.diminfo[0].strides = __pyx_pybuffernd_vxf.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_vxf.diminfo[0].shape = __pyx_pybuffernd_vxf.rcbuffer->pybuffer.shape[0];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 454; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_6 = 0;
    __pyx_v_vxf = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":455
 *         # One dimensional data
 *         vxf = data['velocity_x'].astype("float64")
 *         vyf = data['velocity_y'].astype("float64")             # <<<<<<<<<<<<<<
 *         vzf = data['velocity_z'].astype("float64")
 *         rvf = np.empty((3, vxf.shape[0]), 'float64')
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_velocity_y); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_astype); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_tuple__5, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_11 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vyf.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vyf.rcbuffer->pybuffer, (PyObject*)__pyx_t_11, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_10, &__pyx_t_9, &__pyx_t_8);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vyf.rcbuffer->pybuffer, (PyObject*)__pyx_v_vyf, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_8);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_10, __pyx_t_9, __pyx_t_8);
        }
      }
      __pyx_pybuffernd_vyf.diminfo[0].strides = __pyx_pybuffernd_vyf.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_vyf.diminfo[0].shape = __pyx_pybuffernd_vyf.rcbuffer->pybuffer.shape[0];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_11 = 0;
    __pyx_v_vyf = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":456
 *         vxf = data['velocity_x'].astype("float64")
 *         vyf = data['velocity_y'].astype("float64")
 *         vzf = data['velocity_z'].astype("float64")             # <<<<<<<<<<<<<<
 *         rvf = np.empty((3, vxf.shape[0]), 'float64')
 *         for i in range(vxf.shape[0]):
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_velocity_z); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_astype); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_tuple__6, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_12 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vzf.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vzf.rcbuffer->pybuffer, (PyObject*)__pyx_t_12, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_8, &__pyx_t_9, &__pyx_t_10);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vzf.rcbuffer->pybuffer, (PyObject*)__pyx_v_vzf, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_8); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_8, __pyx_t_9, __pyx_t_10);
        }
      }
      __pyx_pybuffernd_vzf.diminfo[0].strides = __pyx_pybuffernd_vzf.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_vzf.diminfo[0].shape = __pyx_pybuffernd_vzf.rcbuffer->pybuffer.shape[0];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_12 = 0;
    __pyx_v_vzf = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":457
 *         vyf = data['velocity_y'].astype("float64")
 *         vzf = data['velocity_z'].astype("float64")
 *         rvf = np.empty((3, vxf.shape[0]), 'float64')             # <<<<<<<<<<<<<<
 *         for i in range(vxf.shape[0]):
 *             rvf[0, i] = vxf[i] - bv[0]
 */
    __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_empty); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_13);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __pyx_t_2 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_vxf->dimensions[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_14 = PyTuple_New(2); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_14);
    __Pyx_INCREF(__pyx_int_3);
    __Pyx_GIVEREF(__pyx_int_3);
    PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_int_3);
    __Pyx_GIVEREF(__pyx_t_2);
    PyTuple_SET_ITEM(__pyx_t_14, 1, __pyx_t_2);
    __pyx_t_2 = 0;
    __pyx_t_2 = NULL;
    __pyx_t_5 = 0;
    if (CYTHON_COMPILING_IN_CPYTHON && unlikely(PyMethod_Check(__pyx_t_13))) {
      __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_13);
      if (likely(__pyx_t_2)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_13);
        __Pyx_INCREF(__pyx_t_2);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_13, function);
        __pyx_t_5 = 1;
      }
    }
    __pyx_t_15 = PyTuple_New(2+__pyx_t_5); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_15);
    if (__pyx_t_2) {
      __Pyx_GIVEREF(__pyx_t_2); PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_2); __pyx_t_2 = NULL;
    }
    __Pyx_GIVEREF(__pyx_t_14);
    PyTuple_SET_ITEM(__pyx_t_15, 0+__pyx_t_5, __pyx_t_14);
    __Pyx_INCREF(__pyx_n_s_float64);
    __Pyx_GIVEREF(__pyx_n_s_float64);
    PyTuple_SET_ITEM(__pyx_t_15, 1+__pyx_t_5, __pyx_n_s_float64);
    __pyx_t_14 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_13, __pyx_t_15, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_16 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rvf.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_rvf.rcbuffer->pybuffer, (PyObject*)__pyx_t_16, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 2, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_10, &__pyx_t_9, &__pyx_t_8);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_rvf.rcbuffer->pybuffer, (PyObject*)__pyx_v_rvf, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 2, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_8);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_10, __pyx_t_9, __pyx_t_8);
        }
      }
      __pyx_pybuffernd_rvf.diminfo[0].strides = __pyx_pybuffernd_rvf.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_rvf.diminfo[0].shape = __pyx_pybuffernd_rvf.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_rvf.diminfo[1].strides = __pyx_pybuffernd_rvf.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_rvf.diminfo[1].shape = __pyx_pybuffernd_rvf.rcbuffer->pybuffer.shape[1];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_16 = 0;
    __pyx_v_rvf = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":458
 *         vzf = data['velocity_z'].astype("float64")
 *         rvf = np.empty((3, vxf.shape[0]), 'float64')
 *         for i in range(vxf.shape[0]):             # <<<<<<<<<<<<<<
 *             rvf[0, i] = vxf[i] - bv[0]
 *             rvf[1, i] = vyf[i] - bv[1]
 */
    __pyx_t_17 = (__pyx_v_vxf->dimensions[0]);
    for (__pyx_t_7 = 0; __pyx_t_7 < __pyx_t_17; __pyx_t_7+=1) {
      __pyx_v_i = __pyx_t_7;

      /* "yt/utilities/lib/geometry_utils.pyx":459
 *         rvf = np.empty((3, vxf.shape[0]), 'float64')
 *         for i in range(vxf.shape[0]):
 *             rvf[0, i] = vxf[i] - bv[0]             # <<<<<<<<<<<<<<
 *             rvf[1, i] = vyf[i] - bv[1]
 *             rvf[2, i] = vzf[i] - bv[2]
 */
      __pyx_t_18 = __pyx_v_i;
      __pyx_t_19 = 0;
      __pyx_t_20 = __pyx_v_i;
      *__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rvf.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_rvf.diminfo[0].strides, __pyx_t_20, __pyx_pybuffernd_rvf.diminfo[1].strides) = ((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_vxf.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_vxf.diminfo[0].strides)) - (__pyx_v_bv[0]));

      /* "yt/utilities/lib/geometry_utils.pyx":460
 *         for i in range(vxf.shape[0]):
 *             rvf[0, i] = vxf[i] - bv[0]
 *             rvf[1, i] = vyf[i] - bv[1]             # <<<<<<<<<<<<<<
 *             rvf[2, i] = vzf[i] - bv[2]
 *         return rvf
 */
      __pyx_t_21 = __pyx_v_i;
      __pyx_t_22 = 1;
      __pyx_t_23 = __pyx_v_i;
      *__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rvf.rcbuffer->pybuffer.buf, __pyx_t_22, __pyx_pybuffernd_rvf.diminfo[0].strides, __pyx_t_23, __pyx_pybuffernd_rvf.diminfo[1].strides) = ((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_vyf.rcbuffer->pybuffer.buf, __pyx_t_21, __pyx_pybuffernd_vyf.diminfo[0].strides)) - (__pyx_v_bv[1]));

      /* "yt/utilities/lib/geometry_utils.pyx":461
 *             rvf[0, i] = vxf[i] - bv[0]
 *             rvf[1, i] = vyf[i] - bv[1]
 *             rvf[2, i] = vzf[i] - bv[2]             # <<<<<<<<<<<<<<
 *         return rvf
 *     else:
 */
      __pyx_t_24 = __pyx_v_i;
      __pyx_t_25 = 2;
      __pyx_t_26 = __pyx_v_i;
      *__Pyx_BufPtrStrided2d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rvf.rcbuffer->pybuffer.buf, __pyx_t_25, __pyx_pybuffernd_rvf.diminfo[0].strides, __pyx_t_26, __pyx_pybuffernd_rvf.diminfo[1].strides) = ((*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_vzf.rcbuffer->pybuffer.buf, __pyx_t_24, __pyx_pybuffernd_vzf.diminfo[0].strides)) - (__pyx_v_bv[2]));
    }

    /* "yt/utilities/lib/geometry_utils.pyx":462
 *             rvf[1, i] = vyf[i] - bv[1]
 *             rvf[2, i] = vzf[i] - bv[2]
 *         return rvf             # <<<<<<<<<<<<<<
 *     else:
 *         # Three dimensional data
 */
    __Pyx_XDECREF(__pyx_r);
    __Pyx_INCREF(((PyObject *)__pyx_v_rvf));
    __pyx_r = ((PyObject *)__pyx_v_rvf);
    goto __pyx_L0;

    /* "yt/utilities/lib/geometry_utils.pyx":452
 *         bulk_velocity = np.zeros(3)
 *     bv[0] = bulk_velocity[0]; bv[1] = bulk_velocity[1]; bv[2] = bulk_velocity[2]
 *     if len(data['velocity_x'].shape) == 1:             # <<<<<<<<<<<<<<
 *         # One dimensional data
 *         vxf = data['velocity_x'].astype("float64")
 */
  }

  /* "yt/utilities/lib/geometry_utils.pyx":465
 *     else:
 *         # Three dimensional data
 *         vxg = data['velocity_x'].astype("float64")             # <<<<<<<<<<<<<<
 *         vyg = data['velocity_y'].astype("float64")
 *         vzg = data['velocity_z'].astype("float64")
 */
  /*else*/ {
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_velocity_x); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_astype); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_13);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_13, __pyx_tuple__7, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_27 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vxg.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vxg.rcbuffer->pybuffer, (PyObject*)__pyx_t_27, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_8, &__pyx_t_9, &__pyx_t_10);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vxg.rcbuffer->pybuffer, (PyObject*)__pyx_v_vxg, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_8); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_8, __pyx_t_9, __pyx_t_10);
        }
      }
      __pyx_pybuffernd_vxg.diminfo[0].strides = __pyx_pybuffernd_vxg.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_vxg.diminfo[0].shape = __pyx_pybuffernd_vxg.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_vxg.diminfo[1].strides = __pyx_pybuffernd_vxg.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_vxg.diminfo[1].shape = __pyx_pybuffernd_vxg.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_vxg.diminfo[2].strides = __pyx_pybuffernd_vxg.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_vxg.diminfo[2].shape = __pyx_pybuffernd_vxg.rcbuffer->pybuffer.shape[2];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_27 = 0;
    __pyx_v_vxg = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":466
 *         # Three dimensional data
 *         vxg = data['velocity_x'].astype("float64")
 *         vyg = data['velocity_y'].astype("float64")             # <<<<<<<<<<<<<<
 *         vzg = data['velocity_z'].astype("float64")
 *         rvg = np.empty((3, vxg.shape[0], vxg.shape[1], vxg.shape[2]), 'float64')
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_velocity_y); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_astype); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_13);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_13, __pyx_tuple__8, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_28 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vyg.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vyg.rcbuffer->pybuffer, (PyObject*)__pyx_t_28, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_10, &__pyx_t_9, &__pyx_t_8);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vyg.rcbuffer->pybuffer, (PyObject*)__pyx_v_vyg, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_8);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_10, __pyx_t_9, __pyx_t_8);
        }
      }
      __pyx_pybuffernd_vyg.diminfo[0].strides = __pyx_pybuffernd_vyg.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_vyg.diminfo[0].shape = __pyx_pybuffernd_vyg.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_vyg.diminfo[1].strides = __pyx_pybuffernd_vyg.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_vyg.diminfo[1].shape = __pyx_pybuffernd_vyg.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_vyg.diminfo[2].strides = __pyx_pybuffernd_vyg.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_vyg.diminfo[2].shape = __pyx_pybuffernd_vyg.rcbuffer->pybuffer.shape[2];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_28 = 0;
    __pyx_v_vyg = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":467
 *         vxg = data['velocity_x'].astype("float64")
 *         vyg = data['velocity_y'].astype("float64")
 *         vzg = data['velocity_z'].astype("float64")             # <<<<<<<<<<<<<<
 *         rvg = np.empty((3, vxg.shape[0], vxg.shape[1], vxg.shape[2]), 'float64')
 *         for i in range(vxg.shape[0]):
 */
    __pyx_t_1 = PyObject_GetItem(__pyx_v_data, __pyx_n_s_velocity_z); if (unlikely(__pyx_t_1 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_astype); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_13);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_13, __pyx_tuple__9, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_29 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vzg.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vzg.rcbuffer->pybuffer, (PyObject*)__pyx_t_29, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_8, &__pyx_t_9, &__pyx_t_10);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vzg.rcbuffer->pybuffer, (PyObject*)__pyx_v_vzg, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_8); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_10);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_8, __pyx_t_9, __pyx_t_10);
        }
      }
      __pyx_pybuffernd_vzg.diminfo[0].strides = __pyx_pybuffernd_vzg.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_vzg.diminfo[0].shape = __pyx_pybuffernd_vzg.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_vzg.diminfo[1].strides = __pyx_pybuffernd_vzg.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_vzg.diminfo[1].shape = __pyx_pybuffernd_vzg.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_vzg.diminfo[2].strides = __pyx_pybuffernd_vzg.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_vzg.diminfo[2].shape = __pyx_pybuffernd_vzg.rcbuffer->pybuffer.shape[2];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_29 = 0;
    __pyx_v_vzg = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":468
 *         vyg = data['velocity_y'].astype("float64")
 *         vzg = data['velocity_z'].astype("float64")
 *         rvg = np.empty((3, vxg.shape[0], vxg.shape[1], vxg.shape[2]), 'float64')             # <<<<<<<<<<<<<<
 *         for i in range(vxg.shape[0]):
 *             for j in range(vxg.shape[1]):
 */
    __pyx_t_13 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_13);
    __pyx_t_15 = __Pyx_PyObject_GetAttrStr(__pyx_t_13, __pyx_n_s_empty); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_15);
    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
    __pyx_t_13 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_vxg->dimensions[0])); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_13);
    __pyx_t_14 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_vxg->dimensions[1])); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_14);
    __pyx_t_2 = __Pyx_PyInt_From_Py_intptr_t((__pyx_v_vxg->dimensions[2])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_30 = PyTuple_New(4); if (unlikely(!__pyx_t_30)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_30);
    __Pyx_INCREF(__pyx_int_3);
    __Pyx_GIVEREF(__pyx_int_3);
    PyTuple_SET_ITEM(__pyx_t_30, 0, __pyx_int_3);
    __Pyx_GIVEREF(__pyx_t_13);
    PyTuple_SET_ITEM(__pyx_t_30, 1, __pyx_t_13);
    __Pyx_GIVEREF(__pyx_t_14);
    PyTuple_SET_ITEM(__pyx_t_30, 2, __pyx_t_14);
    __Pyx_GIVEREF(__pyx_t_2);
    PyTuple_SET_ITEM(__pyx_t_30, 3, __pyx_t_2);
    __pyx_t_13 = 0;
    __pyx_t_14 = 0;
    __pyx_t_2 = 0;
    __pyx_t_2 = NULL;
    __pyx_t_5 = 0;
    if (CYTHON_COMPILING_IN_CPYTHON && unlikely(PyMethod_Check(__pyx_t_15))) {
      __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_15);
      if (likely(__pyx_t_2)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_15);
        __Pyx_INCREF(__pyx_t_2);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_15, function);
        __pyx_t_5 = 1;
      }
    }
    __pyx_t_14 = PyTuple_New(2+__pyx_t_5); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_14);
    if (__pyx_t_2) {
      __Pyx_GIVEREF(__pyx_t_2); PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_t_2); __pyx_t_2 = NULL;
    }
    __Pyx_GIVEREF(__pyx_t_30);
    PyTuple_SET_ITEM(__pyx_t_14, 0+__pyx_t_5, __pyx_t_30);
    __Pyx_INCREF(__pyx_n_s_float64);
    __Pyx_GIVEREF(__pyx_n_s_float64);
    PyTuple_SET_ITEM(__pyx_t_14, 1+__pyx_t_5, __pyx_n_s_float64);
    __pyx_t_30 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_15, __pyx_t_14, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_t_31 = ((PyArrayObject *)__pyx_t_1);
    {
      __Pyx_BufFmt_StackElem __pyx_stack[1];
      __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rvg.rcbuffer->pybuffer);
      __pyx_t_7 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_rvg.rcbuffer->pybuffer, (PyObject*)__pyx_t_31, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 4, 0, __pyx_stack);
      if (unlikely(__pyx_t_7 < 0)) {
        PyErr_Fetch(&__pyx_t_10, &__pyx_t_9, &__pyx_t_8);
        if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_rvg.rcbuffer->pybuffer, (PyObject*)__pyx_v_rvg, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 4, 0, __pyx_stack) == -1)) {
          Py_XDECREF(__pyx_t_10); Py_XDECREF(__pyx_t_9); Py_XDECREF(__pyx_t_8);
          __Pyx_RaiseBufferFallbackError();
        } else {
          PyErr_Restore(__pyx_t_10, __pyx_t_9, __pyx_t_8);
        }
      }
      __pyx_pybuffernd_rvg.diminfo[0].strides = __pyx_pybuffernd_rvg.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_rvg.diminfo[0].shape = __pyx_pybuffernd_rvg.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_rvg.diminfo[1].strides = __pyx_pybuffernd_rvg.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_rvg.diminfo[1].shape = __pyx_pybuffernd_rvg.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_rvg.diminfo[2].strides = __pyx_pybuffernd_rvg.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_rvg.diminfo[2].shape = __pyx_pybuffernd_rvg.rcbuffer->pybuffer.shape[2]; __pyx_pybuffernd_rvg.diminfo[3].strides = __pyx_pybuffernd_rvg.rcbuffer->pybuffer.strides[3]; __pyx_pybuffernd_rvg.diminfo[3].shape = __pyx_pybuffernd_rvg.rcbuffer->pybuffer.shape[3];
      if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_31 = 0;
    __pyx_v_rvg = ((PyArrayObject *)__pyx_t_1);
    __pyx_t_1 = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":469
 *         vzg = data['velocity_z'].astype("float64")
 *         rvg = np.empty((3, vxg.shape[0], vxg.shape[1], vxg.shape[2]), 'float64')
 *         for i in range(vxg.shape[0]):             # <<<<<<<<<<<<<<
 *             for j in range(vxg.shape[1]):
 *                 for k in range(vxg.shape[2]):
 */
    __pyx_t_17 = (__pyx_v_vxg->dimensions[0]);
    for (__pyx_t_7 = 0; __pyx_t_7 < __pyx_t_17; __pyx_t_7+=1) {
      __pyx_v_i = __pyx_t_7;

      /* "yt/utilities/lib/geometry_utils.pyx":470
 *         rvg = np.empty((3, vxg.shape[0], vxg.shape[1], vxg.shape[2]), 'float64')
 *         for i in range(vxg.shape[0]):
 *             for j in range(vxg.shape[1]):             # <<<<<<<<<<<<<<
 *                 for k in range(vxg.shape[2]):
 *                     rvg[0,i,j,k] = vxg[i,j,k] - bv[0]
 */
      __pyx_t_32 = (__pyx_v_vxg->dimensions[1]);
      for (__pyx_t_33 = 0; __pyx_t_33 < __pyx_t_32; __pyx_t_33+=1) {
        __pyx_v_j = __pyx_t_33;

        /* "yt/utilities/lib/geometry_utils.pyx":471
 *         for i in range(vxg.shape[0]):
 *             for j in range(vxg.shape[1]):
 *                 for k in range(vxg.shape[2]):             # <<<<<<<<<<<<<<
 *                     rvg[0,i,j,k] = vxg[i,j,k] - bv[0]
 *                     rvg[1,i,j,k] = vyg[i,j,k] - bv[1]
 */
        __pyx_t_34 = (__pyx_v_vxg->dimensions[2]);
        for (__pyx_t_35 = 0; __pyx_t_35 < __pyx_t_34; __pyx_t_35+=1) {
          __pyx_v_k = __pyx_t_35;

          /* "yt/utilities/lib/geometry_utils.pyx":472
 *             for j in range(vxg.shape[1]):
 *                 for k in range(vxg.shape[2]):
 *                     rvg[0,i,j,k] = vxg[i,j,k] - bv[0]             # <<<<<<<<<<<<<<
 *                     rvg[1,i,j,k] = vyg[i,j,k] - bv[1]
 *                     rvg[2,i,j,k] = vzg[i,j,k] - bv[2]
 */
          __pyx_t_36 = __pyx_v_i;
          __pyx_t_37 = __pyx_v_j;
          __pyx_t_38 = __pyx_v_k;
          __pyx_t_39 = 0;
          __pyx_t_40 = __pyx_v_i;
          __pyx_t_41 = __pyx_v_j;
          __pyx_t_42 = __pyx_v_k;
          *__Pyx_BufPtrStrided4d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rvg.rcbuffer->pybuffer.buf, __pyx_t_39, __pyx_pybuffernd_rvg.diminfo[0].strides, __pyx_t_40, __pyx_pybuffernd_rvg.diminfo[1].strides, __pyx_t_41, __pyx_pybuffernd_rvg.diminfo[2].strides, __pyx_t_42, __pyx_pybuffernd_rvg.diminfo[3].strides) = ((*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_vxg.rcbuffer->pybuffer.buf, __pyx_t_36, __pyx_pybuffernd_vxg.diminfo[0].strides, __pyx_t_37, __pyx_pybuffernd_vxg.diminfo[1].strides, __pyx_t_38, __pyx_pybuffernd_vxg.diminfo[2].strides)) - (__pyx_v_bv[0]));

          /* "yt/utilities/lib/geometry_utils.pyx":473
 *                 for k in range(vxg.shape[2]):
 *                     rvg[0,i,j,k] = vxg[i,j,k] - bv[0]
 *                     rvg[1,i,j,k] = vyg[i,j,k] - bv[1]             # <<<<<<<<<<<<<<
 *                     rvg[2,i,j,k] = vzg[i,j,k] - bv[2]
 *         return rvg
 */
          __pyx_t_43 = __pyx_v_i;
          __pyx_t_44 = __pyx_v_j;
          __pyx_t_45 = __pyx_v_k;
          __pyx_t_46 = 1;
          __pyx_t_47 = __pyx_v_i;
          __pyx_t_48 = __pyx_v_j;
          __pyx_t_49 = __pyx_v_k;
          *__Pyx_BufPtrStrided4d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rvg.rcbuffer->pybuffer.buf, __pyx_t_46, __pyx_pybuffernd_rvg.diminfo[0].strides, __pyx_t_47, __pyx_pybuffernd_rvg.diminfo[1].strides, __pyx_t_48, __pyx_pybuffernd_rvg.diminfo[2].strides, __pyx_t_49, __pyx_pybuffernd_rvg.diminfo[3].strides) = ((*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_vyg.rcbuffer->pybuffer.buf, __pyx_t_43, __pyx_pybuffernd_vyg.diminfo[0].strides, __pyx_t_44, __pyx_pybuffernd_vyg.diminfo[1].strides, __pyx_t_45, __pyx_pybuffernd_vyg.diminfo[2].strides)) - (__pyx_v_bv[1]));

          /* "yt/utilities/lib/geometry_utils.pyx":474
 *                     rvg[0,i,j,k] = vxg[i,j,k] - bv[0]
 *                     rvg[1,i,j,k] = vyg[i,j,k] - bv[1]
 *                     rvg[2,i,j,k] = vzg[i,j,k] - bv[2]             # <<<<<<<<<<<<<<
 *         return rvg
 * 
 */
          __pyx_t_50 = __pyx_v_i;
          __pyx_t_51 = __pyx_v_j;
          __pyx_t_52 = __pyx_v_k;
          __pyx_t_53 = 2;
          __pyx_t_54 = __pyx_v_i;
          __pyx_t_55 = __pyx_v_j;
          __pyx_t_56 = __pyx_v_k;
          *__Pyx_BufPtrStrided4d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_rvg.rcbuffer->pybuffer.buf, __pyx_t_53, __pyx_pybuffernd_rvg.diminfo[0].strides, __pyx_t_54, __pyx_pybuffernd_rvg.diminfo[1].strides, __pyx_t_55, __pyx_pybuffernd_rvg.diminfo[2].strides, __pyx_t_56, __pyx_pybuffernd_rvg.diminfo[3].strides) = ((*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_vzg.rcbuffer->pybuffer.buf, __pyx_t_50, __pyx_pybuffernd_vzg.diminfo[0].strides, __pyx_t_51, __pyx_pybuffernd_vzg.diminfo[1].strides, __pyx_t_52, __pyx_pybuffernd_vzg.diminfo[2].strides)) - (__pyx_v_bv[2]));
        }
      }
    }

    /* "yt/utilities/lib/geometry_utils.pyx":475
 *                     rvg[1,i,j,k] = vyg[i,j,k] - bv[1]
 *                     rvg[2,i,j,k] = vzg[i,j,k] - bv[2]
 *         return rvg             # <<<<<<<<<<<<<<
 * 
 * cdef struct PointSet
 */
    __Pyx_XDECREF(__pyx_r);
    __Pyx_INCREF(((PyObject *)__pyx_v_rvg));
    __pyx_r = ((PyObject *)__pyx_v_rvg);
    goto __pyx_L0;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":435
 * @cython.wraparound(False)
 * @cython.cdivision(True)
 * def obtain_rv_vec(data):             # <<<<<<<<<<<<<<
 *     # This is just to let the pointers exist and whatnot.  We can't cdef them
 *     # inside conditionals.
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_13);
  __Pyx_XDECREF(__pyx_t_14);
  __Pyx_XDECREF(__pyx_t_15);
  __Pyx_XDECREF(__pyx_t_30);
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rvf.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rvg.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vxf.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vxg.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vyf.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vyg.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vzf.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vzg.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.obtain_rv_vec", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rvf.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_rvg.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vxf.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vxg.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vyf.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vyg.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vzf.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vzg.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_vxf);
  __Pyx_XDECREF((PyObject *)__pyx_v_vyf);
  __Pyx_XDECREF((PyObject *)__pyx_v_vzf);
  __Pyx_XDECREF((PyObject *)__pyx_v_rvf);
  __Pyx_XDECREF((PyObject *)__pyx_v_vxg);
  __Pyx_XDECREF((PyObject *)__pyx_v_vyg);
  __Pyx_XDECREF((PyObject *)__pyx_v_vzg);
  __Pyx_XDECREF((PyObject *)__pyx_v_rvg);
  __Pyx_XDECREF(__pyx_v_bulk_velocity);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "yt/utilities/lib/geometry_utils.pyx":484
 *     PointSet *next
 * 
 * cdef inline void get_intersection(np.float64_t p0[3], np.float64_t p1[3],             # <<<<<<<<<<<<<<
 *                                   int ax, np.float64_t coord, PointSet *p):
 *     cdef np.float64_t vec[3]
 */

static CYTHON_INLINE void __pyx_f_2yt_9utilities_3lib_14geometry_utils_get_intersection(__pyx_t_5numpy_float64_t *__pyx_v_p0, __pyx_t_5numpy_float64_t *__pyx_v_p1, int __pyx_v_ax, __pyx_t_5numpy_float64_t __pyx_v_coord, struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet *__pyx_v_p) {
  __pyx_t_5numpy_float64_t __pyx_v_vec[3];
  __pyx_t_5numpy_float64_t __pyx_v_t;
  long __pyx_v_j;
  __Pyx_RefNannyDeclarations
  long __pyx_t_1;
  __pyx_t_5numpy_float64_t __pyx_t_2;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_intersection", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":488
 *     cdef np.float64_t vec[3]
 *     cdef np.float64_t t
 *     for j in range(3):             # <<<<<<<<<<<<<<
 *         vec[j] = p1[j] - p0[j]
 *     t = (coord - p0[ax])/vec[ax]
 */
  for (__pyx_t_1 = 0; __pyx_t_1 < 3; __pyx_t_1+=1) {
    __pyx_v_j = __pyx_t_1;

    /* "yt/utilities/lib/geometry_utils.pyx":489
 *     cdef np.float64_t t
 *     for j in range(3):
 *         vec[j] = p1[j] - p0[j]             # <<<<<<<<<<<<<<
 *     t = (coord - p0[ax])/vec[ax]
 *     # We know that if they're on opposite sides, it has to intersect.  And we
 */
    (__pyx_v_vec[__pyx_v_j]) = ((__pyx_v_p1[__pyx_v_j]) - (__pyx_v_p0[__pyx_v_j]));
  }

  /* "yt/utilities/lib/geometry_utils.pyx":490
 *     for j in range(3):
 *         vec[j] = p1[j] - p0[j]
 *     t = (coord - p0[ax])/vec[ax]             # <<<<<<<<<<<<<<
 *     # We know that if they're on opposite sides, it has to intersect.  And we
 *     # won't get called otherwise.
 */
  __pyx_t_2 = (__pyx_v_coord - (__pyx_v_p0[__pyx_v_ax]));
  if (unlikely((__pyx_v_vec[__pyx_v_ax]) == 0)) {
    PyErr_SetString(PyExc_ZeroDivisionError, "float division");
    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 490; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_v_t = (__pyx_t_2 / (__pyx_v_vec[__pyx_v_ax]));

  /* "yt/utilities/lib/geometry_utils.pyx":493
 *     # We know that if they're on opposite sides, it has to intersect.  And we
 *     # won't get called otherwise.
 *     for j in range(3):             # <<<<<<<<<<<<<<
 *         p.points[p.count][j] = p0[j] + vec[j] * t
 *     p.count += 1
 */
  for (__pyx_t_1 = 0; __pyx_t_1 < 3; __pyx_t_1+=1) {
    __pyx_v_j = __pyx_t_1;

    /* "yt/utilities/lib/geometry_utils.pyx":494
 *     # won't get called otherwise.
 *     for j in range(3):
 *         p.points[p.count][j] = p0[j] + vec[j] * t             # <<<<<<<<<<<<<<
 *     p.count += 1
 * 
 */
    ((__pyx_v_p->points[__pyx_v_p->count])[__pyx_v_j]) = ((__pyx_v_p0[__pyx_v_j]) + ((__pyx_v_vec[__pyx_v_j]) * __pyx_v_t));
  }

  /* "yt/utilities/lib/geometry_utils.pyx":495
 *     for j in range(3):
 *         p.points[p.count][j] = p0[j] + vec[j] * t
 *     p.count += 1             # <<<<<<<<<<<<<<
 * 
 * def triangle_plane_intersect(int ax, np.float64_t coord,
 */
  __pyx_v_p->count = (__pyx_v_p->count + 1);

  /* "yt/utilities/lib/geometry_utils.pyx":484
 *     PointSet *next
 * 
 * cdef inline void get_intersection(np.float64_t p0[3], np.float64_t p1[3],             # <<<<<<<<<<<<<<
 *                                   int ax, np.float64_t coord, PointSet *p):
 *     cdef np.float64_t vec[3]
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("yt.utilities.lib.geometry_utils.get_intersection", __pyx_clineno, __pyx_lineno, __pyx_filename, 0, 0);
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
}

/* "yt/utilities/lib/geometry_utils.pyx":497
 *     p.count += 1
 * 
 * def triangle_plane_intersect(int ax, np.float64_t coord,             # <<<<<<<<<<<<<<
 *                              np.ndarray[np.float64_t, ndim=3] triangles):
 *     cdef np.float64_t p0[3]
 */

/* Python wrapper */
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_17triangle_plane_intersect(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_2yt_9utilities_3lib_14geometry_utils_17triangle_plane_intersect = {"triangle_plane_intersect", (PyCFunction)__pyx_pw_2yt_9utilities_3lib_14geometry_utils_17triangle_plane_intersect, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_2yt_9utilities_3lib_14geometry_utils_17triangle_plane_intersect(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  int __pyx_v_ax;
  __pyx_t_5numpy_float64_t __pyx_v_coord;
  PyArrayObject *__pyx_v_triangles = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("triangle_plane_intersect (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_ax,&__pyx_n_s_coord,&__pyx_n_s_triangles,0};
    PyObject* values[3] = {0,0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_ax)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        case  1:
        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_coord)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("triangle_plane_intersect", 1, 3, 3, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
        case  2:
        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_triangles)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("triangle_plane_intersect", 1, 3, 3, 2); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "triangle_plane_intersect") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
    }
    __pyx_v_ax = __Pyx_PyInt_As_int(values[0]); if (unlikely((__pyx_v_ax == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
    __pyx_v_coord = __pyx_PyFloat_AsDouble(values[1]); if (unlikely((__pyx_v_coord == (npy_float64)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
    __pyx_v_triangles = ((PyArrayObject *)values[2]);
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("triangle_plane_intersect", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
  __pyx_L3_error:;
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.triangle_plane_intersect", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_triangles), __pyx_ptype_5numpy_ndarray, 1, "triangles", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 498; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_r = __pyx_pf_2yt_9utilities_3lib_14geometry_utils_16triangle_plane_intersect(__pyx_self, __pyx_v_ax, __pyx_v_coord, __pyx_v_triangles);

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_2yt_9utilities_3lib_14geometry_utils_16triangle_plane_intersect(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_ax, __pyx_t_5numpy_float64_t __pyx_v_coord, PyArrayObject *__pyx_v_triangles) {
  __pyx_t_5numpy_float64_t __pyx_v_p0[3];
  __pyx_t_5numpy_float64_t __pyx_v_p1[3];
  __pyx_t_5numpy_float64_t __pyx_v_p3[3];
  int __pyx_v_i;
  int __pyx_v_j;
  int __pyx_v_k;
  int __pyx_v_count;
  int __pyx_v_ntri;
  int __pyx_v_nlines;
  struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet *__pyx_v_first;
  struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet *__pyx_v_last;
  struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet *__pyx_v_points;
  PyArrayObject *__pyx_v_line_segments = 0;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_line_segments;
  __Pyx_Buffer __pyx_pybuffer_line_segments;
  __Pyx_LocalBuf_ND __pyx_pybuffernd_triangles;
  __Pyx_Buffer __pyx_pybuffer_triangles;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  int __pyx_t_3;
  Py_ssize_t __pyx_t_4;
  Py_ssize_t __pyx_t_5;
  Py_ssize_t __pyx_t_6;
  int __pyx_t_7;
  int __pyx_t_8;
  Py_ssize_t __pyx_t_9;
  Py_ssize_t __pyx_t_10;
  Py_ssize_t __pyx_t_11;
  Py_ssize_t __pyx_t_12;
  Py_ssize_t __pyx_t_13;
  Py_ssize_t __pyx_t_14;
  Py_ssize_t __pyx_t_15;
  Py_ssize_t __pyx_t_16;
  Py_ssize_t __pyx_t_17;
  Py_ssize_t __pyx_t_18;
  Py_ssize_t __pyx_t_19;
  Py_ssize_t __pyx_t_20;
  Py_ssize_t __pyx_t_21;
  Py_ssize_t __pyx_t_22;
  Py_ssize_t __pyx_t_23;
  Py_ssize_t __pyx_t_24;
  Py_ssize_t __pyx_t_25;
  Py_ssize_t __pyx_t_26;
  PyObject *__pyx_t_27 = NULL;
  PyObject *__pyx_t_28 = NULL;
  PyObject *__pyx_t_29 = NULL;
  PyObject *__pyx_t_30 = NULL;
  PyArrayObject *__pyx_t_31 = NULL;
  PyObject *__pyx_t_32 = NULL;
  PyObject *__pyx_t_33 = NULL;
  PyObject *__pyx_t_34 = NULL;
  Py_ssize_t __pyx_t_35;
  Py_ssize_t __pyx_t_36;
  Py_ssize_t __pyx_t_37;
  Py_ssize_t __pyx_t_38;
  Py_ssize_t __pyx_t_39;
  Py_ssize_t __pyx_t_40;
  Py_ssize_t __pyx_t_41;
  Py_ssize_t __pyx_t_42;
  Py_ssize_t __pyx_t_43;
  Py_ssize_t __pyx_t_44;
  Py_ssize_t __pyx_t_45;
  Py_ssize_t __pyx_t_46;
  struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet *__pyx_t_47;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("triangle_plane_intersect", 0);
  __pyx_pybuffer_line_segments.pybuffer.buf = NULL;
  __pyx_pybuffer_line_segments.refcount = 0;
  __pyx_pybuffernd_line_segments.data = NULL;
  __pyx_pybuffernd_line_segments.rcbuffer = &__pyx_pybuffer_line_segments;
  __pyx_pybuffer_triangles.pybuffer.buf = NULL;
  __pyx_pybuffer_triangles.refcount = 0;
  __pyx_pybuffernd_triangles.data = NULL;
  __pyx_pybuffernd_triangles.rcbuffer = &__pyx_pybuffer_triangles;
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_triangles.rcbuffer->pybuffer, (PyObject*)__pyx_v_triangles, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES, 3, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_pybuffernd_triangles.diminfo[0].strides = __pyx_pybuffernd_triangles.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_triangles.diminfo[0].shape = __pyx_pybuffernd_triangles.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_triangles.diminfo[1].strides = __pyx_pybuffernd_triangles.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_triangles.diminfo[1].shape = __pyx_pybuffernd_triangles.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_triangles.diminfo[2].strides = __pyx_pybuffernd_triangles.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_triangles.diminfo[2].shape = __pyx_pybuffernd_triangles.rcbuffer->pybuffer.shape[2];

  /* "yt/utilities/lib/geometry_utils.pyx":504
 *     cdef np.float64_t p3[3]
 *     cdef int i, j, k, count, i0, i1, i2, ntri, nlines
 *     nlines = 0             # <<<<<<<<<<<<<<
 *     ntri = triangles.shape[0]
 *     cdef PointSet *first
 */
  __pyx_v_nlines = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":505
 *     cdef int i, j, k, count, i0, i1, i2, ntri, nlines
 *     nlines = 0
 *     ntri = triangles.shape[0]             # <<<<<<<<<<<<<<
 *     cdef PointSet *first
 *     cdef PointSet *last
 */
  __pyx_v_ntri = (__pyx_v_triangles->dimensions[0]);

  /* "yt/utilities/lib/geometry_utils.pyx":509
 *     cdef PointSet *last
 *     cdef PointSet *points
 *     first = last = points = NULL             # <<<<<<<<<<<<<<
 *     for i in range(ntri):
 *         count = 0
 */
  __pyx_v_first = NULL;
  __pyx_v_last = NULL;
  __pyx_v_points = NULL;

  /* "yt/utilities/lib/geometry_utils.pyx":510
 *     cdef PointSet *points
 *     first = last = points = NULL
 *     for i in range(ntri):             # <<<<<<<<<<<<<<
 *         count = 0
 *         # Now for each line segment (01, 12, 20) we check to see how many cross
 */
  __pyx_t_1 = __pyx_v_ntri;
  for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
    __pyx_v_i = __pyx_t_2;

    /* "yt/utilities/lib/geometry_utils.pyx":511
 *     first = last = points = NULL
 *     for i in range(ntri):
 *         count = 0             # <<<<<<<<<<<<<<
 *         # Now for each line segment (01, 12, 20) we check to see how many cross
 *         # the coordinate.
 */
    __pyx_v_count = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":514
 *         # Now for each line segment (01, 12, 20) we check to see how many cross
 *         # the coordinate.
 *         for j in range(3):             # <<<<<<<<<<<<<<
 *             p3[j] = copysign(1.0, triangles[i, j, ax] - coord)
 *         if p3[0] * p3[1] < 0: count += 1
 */
    for (__pyx_t_3 = 0; __pyx_t_3 < 3; __pyx_t_3+=1) {
      __pyx_v_j = __pyx_t_3;

      /* "yt/utilities/lib/geometry_utils.pyx":515
 *         # the coordinate.
 *         for j in range(3):
 *             p3[j] = copysign(1.0, triangles[i, j, ax] - coord)             # <<<<<<<<<<<<<<
 *         if p3[0] * p3[1] < 0: count += 1
 *         if p3[1] * p3[2] < 0: count += 1
 */
      __pyx_t_4 = __pyx_v_i;
      __pyx_t_5 = __pyx_v_j;
      __pyx_t_6 = __pyx_v_ax;
      __pyx_t_7 = -1;
      if (__pyx_t_4 < 0) {
        __pyx_t_4 += __pyx_pybuffernd_triangles.diminfo[0].shape;
        if (unlikely(__pyx_t_4 < 0)) __pyx_t_7 = 0;
      } else if (unlikely(__pyx_t_4 >= __pyx_pybuffernd_triangles.diminfo[0].shape)) __pyx_t_7 = 0;
      if (__pyx_t_5 < 0) {
        __pyx_t_5 += __pyx_pybuffernd_triangles.diminfo[1].shape;
        if (unlikely(__pyx_t_5 < 0)) __pyx_t_7 = 1;
      } else if (unlikely(__pyx_t_5 >= __pyx_pybuffernd_triangles.diminfo[1].shape)) __pyx_t_7 = 1;
      if (__pyx_t_6 < 0) {
        __pyx_t_6 += __pyx_pybuffernd_triangles.diminfo[2].shape;
        if (unlikely(__pyx_t_6 < 0)) __pyx_t_7 = 2;
      } else if (unlikely(__pyx_t_6 >= __pyx_pybuffernd_triangles.diminfo[2].shape)) __pyx_t_7 = 2;
      if (unlikely(__pyx_t_7 != -1)) {
        __Pyx_RaiseBufferIndexError(__pyx_t_7);
        {__pyx_filename = __pyx_f[0]; __pyx_lineno = 515; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      }
      (__pyx_v_p3[__pyx_v_j]) = copysign(1.0, ((*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_triangles.rcbuffer->pybuffer.buf, __pyx_t_4, __pyx_pybuffernd_triangles.diminfo[0].strides, __pyx_t_5, __pyx_pybuffernd_triangles.diminfo[1].strides, __pyx_t_6, __pyx_pybuffernd_triangles.diminfo[2].strides)) - __pyx_v_coord));
    }

    /* "yt/utilities/lib/geometry_utils.pyx":516
 *         for j in range(3):
 *             p3[j] = copysign(1.0, triangles[i, j, ax] - coord)
 *         if p3[0] * p3[1] < 0: count += 1             # <<<<<<<<<<<<<<
 *         if p3[1] * p3[2] < 0: count += 1
 *         if p3[2] * p3[0] < 0: count += 1
 */
    __pyx_t_8 = ((((__pyx_v_p3[0]) * (__pyx_v_p3[1])) < 0.0) != 0);
    if (__pyx_t_8) {
      __pyx_v_count = (__pyx_v_count + 1);
    }

    /* "yt/utilities/lib/geometry_utils.pyx":517
 *             p3[j] = copysign(1.0, triangles[i, j, ax] - coord)
 *         if p3[0] * p3[1] < 0: count += 1
 *         if p3[1] * p3[2] < 0: count += 1             # <<<<<<<<<<<<<<
 *         if p3[2] * p3[0] < 0: count += 1
 *         if count == 2:
 */
    __pyx_t_8 = ((((__pyx_v_p3[1]) * (__pyx_v_p3[2])) < 0.0) != 0);
    if (__pyx_t_8) {
      __pyx_v_count = (__pyx_v_count + 1);
    }

    /* "yt/utilities/lib/geometry_utils.pyx":518
 *         if p3[0] * p3[1] < 0: count += 1
 *         if p3[1] * p3[2] < 0: count += 1
 *         if p3[2] * p3[0] < 0: count += 1             # <<<<<<<<<<<<<<
 *         if count == 2:
 *             nlines += 1
 */
    __pyx_t_8 = ((((__pyx_v_p3[2]) * (__pyx_v_p3[0])) < 0.0) != 0);
    if (__pyx_t_8) {
      __pyx_v_count = (__pyx_v_count + 1);
    }

    /* "yt/utilities/lib/geometry_utils.pyx":519
 *         if p3[1] * p3[2] < 0: count += 1
 *         if p3[2] * p3[0] < 0: count += 1
 *         if count == 2:             # <<<<<<<<<<<<<<
 *             nlines += 1
 *         elif count == 3:
 */
    switch (__pyx_v_count) {
      case 2:

      /* "yt/utilities/lib/geometry_utils.pyx":520
 *         if p3[2] * p3[0] < 0: count += 1
 *         if count == 2:
 *             nlines += 1             # <<<<<<<<<<<<<<
 *         elif count == 3:
 *             nlines += 2
 */
      __pyx_v_nlines = (__pyx_v_nlines + 1);

      /* "yt/utilities/lib/geometry_utils.pyx":519
 *         if p3[1] * p3[2] < 0: count += 1
 *         if p3[2] * p3[0] < 0: count += 1
 *         if count == 2:             # <<<<<<<<<<<<<<
 *             nlines += 1
 *         elif count == 3:
 */
      break;

      /* "yt/utilities/lib/geometry_utils.pyx":521
 *         if count == 2:
 *             nlines += 1
 *         elif count == 3:             # <<<<<<<<<<<<<<
 *             nlines += 2
 *         else:
 */
      case 3:

      /* "yt/utilities/lib/geometry_utils.pyx":522
 *             nlines += 1
 *         elif count == 3:
 *             nlines += 2             # <<<<<<<<<<<<<<
 *         else:
 *             continue
 */
      __pyx_v_nlines = (__pyx_v_nlines + 2);

      /* "yt/utilities/lib/geometry_utils.pyx":521
 *         if count == 2:
 *             nlines += 1
 *         elif count == 3:             # <<<<<<<<<<<<<<
 *             nlines += 2
 *         else:
 */
      break;
      default:

      /* "yt/utilities/lib/geometry_utils.pyx":524
 *             nlines += 2
 *         else:
 *             continue             # <<<<<<<<<<<<<<
 *         points = <PointSet *> malloc(sizeof(PointSet))
 *         points.count = 0
 */
      goto __pyx_L3_continue;
      break;
    }

    /* "yt/utilities/lib/geometry_utils.pyx":525
 *         else:
 *             continue
 *         points = <PointSet *> malloc(sizeof(PointSet))             # <<<<<<<<<<<<<<
 *         points.count = 0
 *         points.next = NULL
 */
    __pyx_v_points = ((struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet *)malloc((sizeof(struct __pyx_t_2yt_9utilities_3lib_14geometry_utils_PointSet))));

    /* "yt/utilities/lib/geometry_utils.pyx":526
 *             continue
 *         points = <PointSet *> malloc(sizeof(PointSet))
 *         points.count = 0             # <<<<<<<<<<<<<<
 *         points.next = NULL
 *         if p3[0] * p3[1] < 0:
 */
    __pyx_v_points->count = 0;

    /* "yt/utilities/lib/geometry_utils.pyx":527
 *         points = <PointSet *> malloc(sizeof(PointSet))
 *         points.count = 0
 *         points.next = NULL             # <<<<<<<<<<<<<<
 *         if p3[0] * p3[1] < 0:
 *             for j in range(3):
 */
    __pyx_v_points->next = NULL;

    /* "yt/utilities/lib/geometry_utils.pyx":528
 *         points.count = 0
 *         points.next = NULL
 *         if p3[0] * p3[1] < 0:             # <<<<<<<<<<<<<<
 *             for j in range(3):
 *                 p0[j] = triangles[i, 0, j]
 */
    __pyx_t_8 = ((((__pyx_v_p3[0]) * (__pyx_v_p3[1])) < 0.0) != 0);
    if (__pyx_t_8) {

      /* "yt/utilities/lib/geometry_utils.pyx":529
 *         points.next = NULL
 *         if p3[0] * p3[1] < 0:
 *             for j in range(3):             # <<<<<<<<<<<<<<
 *                 p0[j] = triangles[i, 0, j]
 *                 p1[j] = triangles[i, 1, j]
 */
      for (__pyx_t_3 = 0; __pyx_t_3 < 3; __pyx_t_3+=1) {
        __pyx_v_j = __pyx_t_3;

        /* "yt/utilities/lib/geometry_utils.pyx":530
 *         if p3[0] * p3[1] < 0:
 *             for j in range(3):
 *                 p0[j] = triangles[i, 0, j]             # <<<<<<<<<<<<<<
 *                 p1[j] = triangles[i, 1, j]
 *             get_intersection(p0, p1, ax, coord, points)
 */
        __pyx_t_9 = __pyx_v_i;
        __pyx_t_10 = 0;
        __pyx_t_11 = __pyx_v_j;
        __pyx_t_7 = -1;
        if (__pyx_t_9 < 0) {
          __pyx_t_9 += __pyx_pybuffernd_triangles.diminfo[0].shape;
          if (unlikely(__pyx_t_9 < 0)) __pyx_t_7 = 0;
        } else if (unlikely(__pyx_t_9 >= __pyx_pybuffernd_triangles.diminfo[0].shape)) __pyx_t_7 = 0;
        if (__pyx_t_10 < 0) {
          __pyx_t_10 += __pyx_pybuffernd_triangles.diminfo[1].shape;
          if (unlikely(__pyx_t_10 < 0)) __pyx_t_7 = 1;
        } else if (unlikely(__pyx_t_10 >= __pyx_pybuffernd_triangles.diminfo[1].shape)) __pyx_t_7 = 1;
        if (__pyx_t_11 < 0) {
          __pyx_t_11 += __pyx_pybuffernd_triangles.diminfo[2].shape;
          if (unlikely(__pyx_t_11 < 0)) __pyx_t_7 = 2;
        } else if (unlikely(__pyx_t_11 >= __pyx_pybuffernd_triangles.diminfo[2].shape)) __pyx_t_7 = 2;
        if (unlikely(__pyx_t_7 != -1)) {
          __Pyx_RaiseBufferIndexError(__pyx_t_7);
          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 530; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        }
        (__pyx_v_p0[__pyx_v_j]) = (*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_triangles.rcbuffer->pybuffer.buf, __pyx_t_9, __pyx_pybuffernd_triangles.diminfo[0].strides, __pyx_t_10, __pyx_pybuffernd_triangles.diminfo[1].strides, __pyx_t_11, __pyx_pybuffernd_triangles.diminfo[2].strides));

        /* "yt/utilities/lib/geometry_utils.pyx":531
 *             for j in range(3):
 *                 p0[j] = triangles[i, 0, j]
 *                 p1[j] = triangles[i, 1, j]             # <<<<<<<<<<<<<<
 *             get_intersection(p0, p1, ax, coord, points)
 *         if p3[1] * p3[2] < 0:
 */
        __pyx_t_12 = __pyx_v_i;
        __pyx_t_13 = 1;
        __pyx_t_14 = __pyx_v_j;
        __pyx_t_7 = -1;
        if (__pyx_t_12 < 0) {
          __pyx_t_12 += __pyx_pybuffernd_triangles.diminfo[0].shape;
          if (unlikely(__pyx_t_12 < 0)) __pyx_t_7 = 0;
        } else if (unlikely(__pyx_t_12 >= __pyx_pybuffernd_triangles.diminfo[0].shape)) __pyx_t_7 = 0;
        if (__pyx_t_13 < 0) {
          __pyx_t_13 += __pyx_pybuffernd_triangles.diminfo[1].shape;
          if (unlikely(__pyx_t_13 < 0)) __pyx_t_7 = 1;
        } else if (unlikely(__pyx_t_13 >= __pyx_pybuffernd_triangles.diminfo[1].shape)) __pyx_t_7 = 1;
        if (__pyx_t_14 < 0) {
          __pyx_t_14 += __pyx_pybuffernd_triangles.diminfo[2].shape;
          if (unlikely(__pyx_t_14 < 0)) __pyx_t_7 = 2;
        } else if (unlikely(__pyx_t_14 >= __pyx_pybuffernd_triangles.diminfo[2].shape)) __pyx_t_7 = 2;
        if (unlikely(__pyx_t_7 != -1)) {
          __Pyx_RaiseBufferIndexError(__pyx_t_7);
          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 531; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        }
        (__pyx_v_p1[__pyx_v_j]) = (*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_triangles.rcbuffer->pybuffer.buf, __pyx_t_12, __pyx_pybuffernd_triangles.diminfo[0].strides, __pyx_t_13, __pyx_pybuffernd_triangles.diminfo[1].strides, __pyx_t_14, __pyx_pybuffernd_triangles.diminfo[2].strides));
      }

      /* "yt/utilities/lib/geometry_utils.pyx":532
 *                 p0[j] = triangles[i, 0, j]
 *                 p1[j] = triangles[i, 1, j]
 *             get_intersection(p0, p1, ax, coord, points)             # <<<<<<<<<<<<<<
 *         if p3[1] * p3[2] < 0:
 *             for j in range(3):
 */
      __pyx_f_2yt_9utilities_3lib_14geometry_utils_get_intersection(__pyx_v_p0, __pyx_v_p1, __pyx_v_ax, __pyx_v_coord, __pyx_v_points);

      /* "yt/utilities/lib/geometry_utils.pyx":528
 *         points.count = 0
 *         points.next = NULL
 *         if p3[0] * p3[1] < 0:             # <<<<<<<<<<<<<<
 *             for j in range(3):
 *                 p0[j] = triangles[i, 0, j]
 */
    }

    /* "yt/utilities/lib/geometry_utils.pyx":533
 *                 p1[j] = triangles[i, 1, j]
 *             get_intersection(p0, p1, ax, coord, points)
 *         if p3[1] * p3[2] < 0:             # <<<<<<<<<<<<<<
 *             for j in range(3):
 *                 p0[j] = triangles[i, 1, j]
 */
    __pyx_t_8 = ((((__pyx_v_p3[1]) * (__pyx_v_p3[2])) < 0.0) != 0);
    if (__pyx_t_8) {

      /* "yt/utilities/lib/geometry_utils.pyx":534
 *             get_intersection(p0, p1, ax, coord, points)
 *         if p3[1] * p3[2] < 0:
 *             for j in range(3):             # <<<<<<<<<<<<<<
 *                 p0[j] = triangles[i, 1, j]
 *                 p1[j] = triangles[i, 2, j]
 */
      for (__pyx_t_3 = 0; __pyx_t_3 < 3; __pyx_t_3+=1) {
        __pyx_v_j = __pyx_t_3;

        /* "yt/utilities/lib/geometry_utils.pyx":535
 *         if p3[1] * p3[2] < 0:
 *             for j in range(3):
 *                 p0[j] = triangles[i, 1, j]             # <<<<<<<<<<<<<<
 *                 p1[j] = triangles[i, 2, j]
 *             get_intersection(p0, p1, ax, coord, points)
 */
        __pyx_t_15 = __pyx_v_i;
        __pyx_t_16 = 1;
        __pyx_t_17 = __pyx_v_j;
        __pyx_t_7 = -1;
        if (__pyx_t_15 < 0) {
          __pyx_t_15 += __pyx_pybuffernd_triangles.diminfo[0].shape;
          if (unlikely(__pyx_t_15 < 0)) __pyx_t_7 = 0;
        } else if (unlikely(__pyx_t_15 >= __pyx_pybuffernd_triangles.diminfo[0].shape)) __pyx_t_7 = 0;
        if (__pyx_t_16 < 0) {
          __pyx_t_16 += __pyx_pybuffernd_triangles.diminfo[1].shape;
          if (unlikely(__pyx_t_16 < 0)) __pyx_t_7 = 1;
        } else if (unlikely(__pyx_t_16 >= __pyx_pybuffernd_triangles.diminfo[1].shape)) __pyx_t_7 = 1;
        if (__pyx_t_17 < 0) {
          __pyx_t_17 += __pyx_pybuffernd_triangles.diminfo[2].shape;
          if (unlikely(__pyx_t_17 < 0)) __pyx_t_7 = 2;
        } else if (unlikely(__pyx_t_17 >= __pyx_pybuffernd_triangles.diminfo[2].shape)) __pyx_t_7 = 2;
        if (unlikely(__pyx_t_7 != -1)) {
          __Pyx_RaiseBufferIndexError(__pyx_t_7);
          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 535; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        }
        (__pyx_v_p0[__pyx_v_j]) = (*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_triangles.rcbuffer->pybuffer.buf, __pyx_t_15, __pyx_pybuffernd_triangles.diminfo[0].strides, __pyx_t_16, __pyx_pybuffernd_triangles.diminfo[1].strides, __pyx_t_17, __pyx_pybuffernd_triangles.diminfo[2].strides));

        /* "yt/utilities/lib/geometry_utils.pyx":536
 *             for j in range(3):
 *                 p0[j] = triangles[i, 1, j]
 *                 p1[j] = triangles[i, 2, j]             # <<<<<<<<<<<<<<
 *             get_intersection(p0, p1, ax, coord, points)
 *         if p3[2] * p3[0] < 0:
 */
        __pyx_t_18 = __pyx_v_i;
        __pyx_t_19 = 2;
        __pyx_t_20 = __pyx_v_j;
        __pyx_t_7 = -1;
        if (__pyx_t_18 < 0) {
          __pyx_t_18 += __pyx_pybuffernd_triangles.diminfo[0].shape;
          if (unlikely(__pyx_t_18 < 0)) __pyx_t_7 = 0;
        } else if (unlikely(__pyx_t_18 >= __pyx_pybuffernd_triangles.diminfo[0].shape)) __pyx_t_7 = 0;
        if (__pyx_t_19 < 0) {
          __pyx_t_19 += __pyx_pybuffernd_triangles.diminfo[1].shape;
          if (unlikely(__pyx_t_19 < 0)) __pyx_t_7 = 1;
        } else if (unlikely(__pyx_t_19 >= __pyx_pybuffernd_triangles.diminfo[1].shape)) __pyx_t_7 = 1;
        if (__pyx_t_20 < 0) {
          __pyx_t_20 += __pyx_pybuffernd_triangles.diminfo[2].shape;
          if (unlikely(__pyx_t_20 < 0)) __pyx_t_7 = 2;
        } else if (unlikely(__pyx_t_20 >= __pyx_pybuffernd_triangles.diminfo[2].shape)) __pyx_t_7 = 2;
        if (unlikely(__pyx_t_7 != -1)) {
          __Pyx_RaiseBufferIndexError(__pyx_t_7);
          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 536; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        }
        (__pyx_v_p1[__pyx_v_j]) = (*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_triangles.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_triangles.diminfo[0].strides, __pyx_t_19, __pyx_pybuffernd_triangles.diminfo[1].strides, __pyx_t_20, __pyx_pybuffernd_triangles.diminfo[2].strides));
      }

      /* "yt/utilities/lib/geometry_utils.pyx":537
 *                 p0[j] = triangles[i, 1, j]
 *                 p1[j] = triangles[i, 2, j]
 *             get_intersection(p0, p1, ax, coord, points)             # <<<<<<<<<<<<<<
 *         if p3[2] * p3[0] < 0:
 *             for j in range(3):
 */
      __pyx_f_2yt_9utilities_3lib_14geometry_utils_get_intersection(__pyx_v_p0, __pyx_v_p1, __pyx_v_ax, __pyx_v_coord, __pyx_v_points);

      /* "yt/utilities/lib/geometry_utils.pyx":533
 *                 p1[j] = triangles[i, 1, j]
 *             get_intersection(p0, p1, ax, coord, points)
 *         if p3[1] * p3[2] < 0:             # <<<<<<<<<<<<<<
 *             for j in range(3):
 *                 p0[j] = triangles[i, 1, j]
 */
    }

    /* "yt/utilities/lib/geometry_utils.pyx":538
 *                 p1[j] = triangles[i, 2, j]
 *             get_intersection(p0, p1, ax, coord, points)
 *         if p3[2] * p3[0] < 0:             # <<<<<<<<<<<<<<
 *             for j in range(3):
 *                 p0[j] = triangles[i, 2, j]
 */
    __pyx_t_8 = ((((__pyx_v_p3[2]) * (__pyx_v_p3[0])) < 0.0) != 0);
    if (__pyx_t_8) {

      /* "yt/utilities/lib/geometry_utils.pyx":539
 *             get_intersection(p0, p1, ax, coord, points)
 *         if p3[2] * p3[0] < 0:
 *             for j in range(3):             # <<<<<<<<<<<<<<
 *                 p0[j] = triangles[i, 2, j]
 *                 p1[j] = triangles[i, 0, j]
 */
      for (__pyx_t_3 = 0; __pyx_t_3 < 3; __pyx_t_3+=1) {
        __pyx_v_j = __pyx_t_3;

        /* "yt/utilities/lib/geometry_utils.pyx":540
 *         if p3[2] * p3[0] < 0:
 *             for j in range(3):
 *                 p0[j] = triangles[i, 2, j]             # <<<<<<<<<<<<<<
 *                 p1[j] = triangles[i, 0, j]
 *             get_intersection(p0, p1, ax, coord, points)
 */
        __pyx_t_21 = __pyx_v_i;
        __pyx_t_22 = 2;
        __pyx_t_23 = __pyx_v_j;
        __pyx_t_7 = -1;
        if (__pyx_t_21 < 0) {
          __pyx_t_21 += __pyx_pybuffernd_triangles.diminfo[0].shape;
          if (unlikely(__pyx_t_21 < 0)) __pyx_t_7 = 0;
        } else if (unlikely(__pyx_t_21 >= __pyx_pybuffernd_triangles.diminfo[0].shape)) __pyx_t_7 = 0;
        if (__pyx_t_22 < 0) {
          __pyx_t_22 += __pyx_pybuffernd_triangles.diminfo[1].shape;
          if (unlikely(__pyx_t_22 < 0)) __pyx_t_7 = 1;
        } else if (unlikely(__pyx_t_22 >= __pyx_pybuffernd_triangles.diminfo[1].shape)) __pyx_t_7 = 1;
        if (__pyx_t_23 < 0) {
          __pyx_t_23 += __pyx_pybuffernd_triangles.diminfo[2].shape;
          if (unlikely(__pyx_t_23 < 0)) __pyx_t_7 = 2;
        } else if (unlikely(__pyx_t_23 >= __pyx_pybuffernd_triangles.diminfo[2].shape)) __pyx_t_7 = 2;
        if (unlikely(__pyx_t_7 != -1)) {
          __Pyx_RaiseBufferIndexError(__pyx_t_7);
          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 540; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        }
        (__pyx_v_p0[__pyx_v_j]) = (*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_triangles.rcbuffer->pybuffer.buf, __pyx_t_21, __pyx_pybuffernd_triangles.diminfo[0].strides, __pyx_t_22, __pyx_pybuffernd_triangles.diminfo[1].strides, __pyx_t_23, __pyx_pybuffernd_triangles.diminfo[2].strides));

        /* "yt/utilities/lib/geometry_utils.pyx":541
 *             for j in range(3):
 *                 p0[j] = triangles[i, 2, j]
 *                 p1[j] = triangles[i, 0, j]             # <<<<<<<<<<<<<<
 *             get_intersection(p0, p1, ax, coord, points)
 *         if last != NULL:
 */
        __pyx_t_24 = __pyx_v_i;
        __pyx_t_25 = 0;
        __pyx_t_26 = __pyx_v_j;
        __pyx_t_7 = -1;
        if (__pyx_t_24 < 0) {
          __pyx_t_24 += __pyx_pybuffernd_triangles.diminfo[0].shape;
          if (unlikely(__pyx_t_24 < 0)) __pyx_t_7 = 0;
        } else if (unlikely(__pyx_t_24 >= __pyx_pybuffernd_triangles.diminfo[0].shape)) __pyx_t_7 = 0;
        if (__pyx_t_25 < 0) {
          __pyx_t_25 += __pyx_pybuffernd_triangles.diminfo[1].shape;
          if (unlikely(__pyx_t_25 < 0)) __pyx_t_7 = 1;
        } else if (unlikely(__pyx_t_25 >= __pyx_pybuffernd_triangles.diminfo[1].shape)) __pyx_t_7 = 1;
        if (__pyx_t_26 < 0) {
          __pyx_t_26 += __pyx_pybuffernd_triangles.diminfo[2].shape;
          if (unlikely(__pyx_t_26 < 0)) __pyx_t_7 = 2;
        } else if (unlikely(__pyx_t_26 >= __pyx_pybuffernd_triangles.diminfo[2].shape)) __pyx_t_7 = 2;
        if (unlikely(__pyx_t_7 != -1)) {
          __Pyx_RaiseBufferIndexError(__pyx_t_7);
          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 541; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        }
        (__pyx_v_p1[__pyx_v_j]) = (*__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_triangles.rcbuffer->pybuffer.buf, __pyx_t_24, __pyx_pybuffernd_triangles.diminfo[0].strides, __pyx_t_25, __pyx_pybuffernd_triangles.diminfo[1].strides, __pyx_t_26, __pyx_pybuffernd_triangles.diminfo[2].strides));
      }

      /* "yt/utilities/lib/geometry_utils.pyx":542
 *                 p0[j] = triangles[i, 2, j]
 *                 p1[j] = triangles[i, 0, j]
 *             get_intersection(p0, p1, ax, coord, points)             # <<<<<<<<<<<<<<
 *         if last != NULL:
 *             last.next = points
 */
      __pyx_f_2yt_9utilities_3lib_14geometry_utils_get_intersection(__pyx_v_p0, __pyx_v_p1, __pyx_v_ax, __pyx_v_coord, __pyx_v_points);

      /* "yt/utilities/lib/geometry_utils.pyx":538
 *                 p1[j] = triangles[i, 2, j]
 *             get_intersection(p0, p1, ax, coord, points)
 *         if p3[2] * p3[0] < 0:             # <<<<<<<<<<<<<<
 *             for j in range(3):
 *                 p0[j] = triangles[i, 2, j]
 */
    }

    /* "yt/utilities/lib/geometry_utils.pyx":543
 *                 p1[j] = triangles[i, 0, j]
 *             get_intersection(p0, p1, ax, coord, points)
 *         if last != NULL:             # <<<<<<<<<<<<<<
 *             last.next = points
 *         if first == NULL:
 */
    __pyx_t_8 = ((__pyx_v_last != NULL) != 0);
    if (__pyx_t_8) {

      /* "yt/utilities/lib/geometry_utils.pyx":544
 *             get_intersection(p0, p1, ax, coord, points)
 *         if last != NULL:
 *             last.next = points             # <<<<<<<<<<<<<<
 *         if first == NULL:
 *             first = points
 */
      __pyx_v_last->next = __pyx_v_points;

      /* "yt/utilities/lib/geometry_utils.pyx":543
 *                 p1[j] = triangles[i, 0, j]
 *             get_intersection(p0, p1, ax, coord, points)
 *         if last != NULL:             # <<<<<<<<<<<<<<
 *             last.next = points
 *         if first == NULL:
 */
    }

    /* "yt/utilities/lib/geometry_utils.pyx":545
 *         if last != NULL:
 *             last.next = points
 *         if first == NULL:             # <<<<<<<<<<<<<<
 *             first = points
 *         last = points
 */
    __pyx_t_8 = ((__pyx_v_first == NULL) != 0);
    if (__pyx_t_8) {

      /* "yt/utilities/lib/geometry_utils.pyx":546
 *             last.next = points
 *         if first == NULL:
 *             first = points             # <<<<<<<<<<<<<<
 *         last = points
 *     points = first
 */
      __pyx_v_first = __pyx_v_points;

      /* "yt/utilities/lib/geometry_utils.pyx":545
 *         if last != NULL:
 *             last.next = points
 *         if first == NULL:             # <<<<<<<<<<<<<<
 *             first = points
 *         last = points
 */
    }

    /* "yt/utilities/lib/geometry_utils.pyx":547
 *         if first == NULL:
 *             first = points
 *         last = points             # <<<<<<<<<<<<<<
 *     points = first
 *     cdef np.ndarray[np.float64_t, ndim=3] line_segments
 */
    __pyx_v_last = __pyx_v_points;
    __pyx_L3_continue:;
  }

  /* "yt/utilities/lib/geometry_utils.pyx":548
 *             first = points
 *         last = points
 *     points = first             # <<<<<<<<<<<<<<
 *     cdef np.ndarray[np.float64_t, ndim=3] line_segments
 *     line_segments = np.empty((nlines, 2, 3), dtype="float64")
 */
  __pyx_v_points = __pyx_v_first;

  /* "yt/utilities/lib/geometry_utils.pyx":550
 *     points = first
 *     cdef np.ndarray[np.float64_t, ndim=3] line_segments
 *     line_segments = np.empty((nlines, 2, 3), dtype="float64")             # <<<<<<<<<<<<<<
 *     k = 0
 *     while points != NULL:
 */
  __pyx_t_27 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_27)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_27);
  __pyx_t_28 = __Pyx_PyObject_GetAttrStr(__pyx_t_27, __pyx_n_s_empty); if (unlikely(!__pyx_t_28)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_28);
  __Pyx_DECREF(__pyx_t_27); __pyx_t_27 = 0;
  __pyx_t_27 = __Pyx_PyInt_From_int(__pyx_v_nlines); if (unlikely(!__pyx_t_27)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_27);
  __pyx_t_29 = PyTuple_New(3); if (unlikely(!__pyx_t_29)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_29);
  __Pyx_GIVEREF(__pyx_t_27);
  PyTuple_SET_ITEM(__pyx_t_29, 0, __pyx_t_27);
  __Pyx_INCREF(__pyx_int_2);
  __Pyx_GIVEREF(__pyx_int_2);
  PyTuple_SET_ITEM(__pyx_t_29, 1, __pyx_int_2);
  __Pyx_INCREF(__pyx_int_3);
  __Pyx_GIVEREF(__pyx_int_3);
  PyTuple_SET_ITEM(__pyx_t_29, 2, __pyx_int_3);
  __pyx_t_27 = 0;
  __pyx_t_27 = PyTuple_New(1); if (unlikely(!__pyx_t_27)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_27);
  __Pyx_GIVEREF(__pyx_t_29);
  PyTuple_SET_ITEM(__pyx_t_27, 0, __pyx_t_29);
  __pyx_t_29 = 0;
  __pyx_t_29 = PyDict_New(); if (unlikely(!__pyx_t_29)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_29);
  if (PyDict_SetItem(__pyx_t_29, __pyx_n_s_dtype, __pyx_n_s_float64) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_30 = __Pyx_PyObject_Call(__pyx_t_28, __pyx_t_27, __pyx_t_29); if (unlikely(!__pyx_t_30)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_30);
  __Pyx_DECREF(__pyx_t_28); __pyx_t_28 = 0;
  __Pyx_DECREF(__pyx_t_27); __pyx_t_27 = 0;
  __Pyx_DECREF(__pyx_t_29); __pyx_t_29 = 0;
  if (!(likely(((__pyx_t_30) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_30, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_t_31 = ((PyArrayObject *)__pyx_t_30);
  {
    __Pyx_BufFmt_StackElem __pyx_stack[1];
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_line_segments.rcbuffer->pybuffer);
    __pyx_t_1 = __Pyx_GetBufferAndValidate(&__pyx_pybuffernd_line_segments.rcbuffer->pybuffer, (PyObject*)__pyx_t_31, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 3, 0, __pyx_stack);
    if (unlikely(__pyx_t_1 < 0)) {
      PyErr_Fetch(&__pyx_t_32, &__pyx_t_33, &__pyx_t_34);
      if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_line_segments.rcbuffer->pybuffer, (PyObject*)__pyx_v_line_segments, &__Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t, PyBUF_FORMAT| PyBUF_STRIDES| PyBUF_WRITABLE, 3, 0, __pyx_stack) == -1)) {
        Py_XDECREF(__pyx_t_32); Py_XDECREF(__pyx_t_33); Py_XDECREF(__pyx_t_34);
        __Pyx_RaiseBufferFallbackError();
      } else {
        PyErr_Restore(__pyx_t_32, __pyx_t_33, __pyx_t_34);
      }
    }
    __pyx_pybuffernd_line_segments.diminfo[0].strides = __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_line_segments.diminfo[0].shape = __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.shape[0]; __pyx_pybuffernd_line_segments.diminfo[1].strides = __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.strides[1]; __pyx_pybuffernd_line_segments.diminfo[1].shape = __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.shape[1]; __pyx_pybuffernd_line_segments.diminfo[2].strides = __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.strides[2]; __pyx_pybuffernd_line_segments.diminfo[2].shape = __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.shape[2];
    if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_t_31 = 0;
  __pyx_v_line_segments = ((PyArrayObject *)__pyx_t_30);
  __pyx_t_30 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":551
 *     cdef np.ndarray[np.float64_t, ndim=3] line_segments
 *     line_segments = np.empty((nlines, 2, 3), dtype="float64")
 *     k = 0             # <<<<<<<<<<<<<<
 *     while points != NULL:
 *         for j in range(3):
 */
  __pyx_v_k = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":552
 *     line_segments = np.empty((nlines, 2, 3), dtype="float64")
 *     k = 0
 *     while points != NULL:             # <<<<<<<<<<<<<<
 *         for j in range(3):
 *             line_segments[k, 0, j] = points.points[0][j]
 */
  while (1) {
    __pyx_t_8 = ((__pyx_v_points != NULL) != 0);
    if (!__pyx_t_8) break;

    /* "yt/utilities/lib/geometry_utils.pyx":553
 *     k = 0
 *     while points != NULL:
 *         for j in range(3):             # <<<<<<<<<<<<<<
 *             line_segments[k, 0, j] = points.points[0][j]
 *             line_segments[k, 1, j] = points.points[1][j]
 */
    for (__pyx_t_1 = 0; __pyx_t_1 < 3; __pyx_t_1+=1) {
      __pyx_v_j = __pyx_t_1;

      /* "yt/utilities/lib/geometry_utils.pyx":554
 *     while points != NULL:
 *         for j in range(3):
 *             line_segments[k, 0, j] = points.points[0][j]             # <<<<<<<<<<<<<<
 *             line_segments[k, 1, j] = points.points[1][j]
 *         k += 1
 */
      __pyx_t_35 = __pyx_v_k;
      __pyx_t_36 = 0;
      __pyx_t_37 = __pyx_v_j;
      __pyx_t_2 = -1;
      if (__pyx_t_35 < 0) {
        __pyx_t_35 += __pyx_pybuffernd_line_segments.diminfo[0].shape;
        if (unlikely(__pyx_t_35 < 0)) __pyx_t_2 = 0;
      } else if (unlikely(__pyx_t_35 >= __pyx_pybuffernd_line_segments.diminfo[0].shape)) __pyx_t_2 = 0;
      if (__pyx_t_36 < 0) {
        __pyx_t_36 += __pyx_pybuffernd_line_segments.diminfo[1].shape;
        if (unlikely(__pyx_t_36 < 0)) __pyx_t_2 = 1;
      } else if (unlikely(__pyx_t_36 >= __pyx_pybuffernd_line_segments.diminfo[1].shape)) __pyx_t_2 = 1;
      if (__pyx_t_37 < 0) {
        __pyx_t_37 += __pyx_pybuffernd_line_segments.diminfo[2].shape;
        if (unlikely(__pyx_t_37 < 0)) __pyx_t_2 = 2;
      } else if (unlikely(__pyx_t_37 >= __pyx_pybuffernd_line_segments.diminfo[2].shape)) __pyx_t_2 = 2;
      if (unlikely(__pyx_t_2 != -1)) {
        __Pyx_RaiseBufferIndexError(__pyx_t_2);
        {__pyx_filename = __pyx_f[0]; __pyx_lineno = 554; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      }
      *__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.buf, __pyx_t_35, __pyx_pybuffernd_line_segments.diminfo[0].strides, __pyx_t_36, __pyx_pybuffernd_line_segments.diminfo[1].strides, __pyx_t_37, __pyx_pybuffernd_line_segments.diminfo[2].strides) = ((__pyx_v_points->points[0])[__pyx_v_j]);

      /* "yt/utilities/lib/geometry_utils.pyx":555
 *         for j in range(3):
 *             line_segments[k, 0, j] = points.points[0][j]
 *             line_segments[k, 1, j] = points.points[1][j]             # <<<<<<<<<<<<<<
 *         k += 1
 *         if points.count == 3:
 */
      __pyx_t_38 = __pyx_v_k;
      __pyx_t_39 = 1;
      __pyx_t_40 = __pyx_v_j;
      __pyx_t_2 = -1;
      if (__pyx_t_38 < 0) {
        __pyx_t_38 += __pyx_pybuffernd_line_segments.diminfo[0].shape;
        if (unlikely(__pyx_t_38 < 0)) __pyx_t_2 = 0;
      } else if (unlikely(__pyx_t_38 >= __pyx_pybuffernd_line_segments.diminfo[0].shape)) __pyx_t_2 = 0;
      if (__pyx_t_39 < 0) {
        __pyx_t_39 += __pyx_pybuffernd_line_segments.diminfo[1].shape;
        if (unlikely(__pyx_t_39 < 0)) __pyx_t_2 = 1;
      } else if (unlikely(__pyx_t_39 >= __pyx_pybuffernd_line_segments.diminfo[1].shape)) __pyx_t_2 = 1;
      if (__pyx_t_40 < 0) {
        __pyx_t_40 += __pyx_pybuffernd_line_segments.diminfo[2].shape;
        if (unlikely(__pyx_t_40 < 0)) __pyx_t_2 = 2;
      } else if (unlikely(__pyx_t_40 >= __pyx_pybuffernd_line_segments.diminfo[2].shape)) __pyx_t_2 = 2;
      if (unlikely(__pyx_t_2 != -1)) {
        __Pyx_RaiseBufferIndexError(__pyx_t_2);
        {__pyx_filename = __pyx_f[0]; __pyx_lineno = 555; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      }
      *__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.buf, __pyx_t_38, __pyx_pybuffernd_line_segments.diminfo[0].strides, __pyx_t_39, __pyx_pybuffernd_line_segments.diminfo[1].strides, __pyx_t_40, __pyx_pybuffernd_line_segments.diminfo[2].strides) = ((__pyx_v_points->points[1])[__pyx_v_j]);
    }

    /* "yt/utilities/lib/geometry_utils.pyx":556
 *             line_segments[k, 0, j] = points.points[0][j]
 *             line_segments[k, 1, j] = points.points[1][j]
 *         k += 1             # <<<<<<<<<<<<<<
 *         if points.count == 3:
 *             for j in range(3):
 */
    __pyx_v_k = (__pyx_v_k + 1);

    /* "yt/utilities/lib/geometry_utils.pyx":557
 *             line_segments[k, 1, j] = points.points[1][j]
 *         k += 1
 *         if points.count == 3:             # <<<<<<<<<<<<<<
 *             for j in range(3):
 *                 line_segments[k, 0, j] = points.points[1][j]
 */
    __pyx_t_8 = ((__pyx_v_points->count == 3) != 0);
    if (__pyx_t_8) {

      /* "yt/utilities/lib/geometry_utils.pyx":558
 *         k += 1
 *         if points.count == 3:
 *             for j in range(3):             # <<<<<<<<<<<<<<
 *                 line_segments[k, 0, j] = points.points[1][j]
 *                 line_segments[k, 1, j] = points.points[2][j]
 */
      for (__pyx_t_1 = 0; __pyx_t_1 < 3; __pyx_t_1+=1) {
        __pyx_v_j = __pyx_t_1;

        /* "yt/utilities/lib/geometry_utils.pyx":559
 *         if points.count == 3:
 *             for j in range(3):
 *                 line_segments[k, 0, j] = points.points[1][j]             # <<<<<<<<<<<<<<
 *                 line_segments[k, 1, j] = points.points[2][j]
 *             k += 1
 */
        __pyx_t_41 = __pyx_v_k;
        __pyx_t_42 = 0;
        __pyx_t_43 = __pyx_v_j;
        __pyx_t_2 = -1;
        if (__pyx_t_41 < 0) {
          __pyx_t_41 += __pyx_pybuffernd_line_segments.diminfo[0].shape;
          if (unlikely(__pyx_t_41 < 0)) __pyx_t_2 = 0;
        } else if (unlikely(__pyx_t_41 >= __pyx_pybuffernd_line_segments.diminfo[0].shape)) __pyx_t_2 = 0;
        if (__pyx_t_42 < 0) {
          __pyx_t_42 += __pyx_pybuffernd_line_segments.diminfo[1].shape;
          if (unlikely(__pyx_t_42 < 0)) __pyx_t_2 = 1;
        } else if (unlikely(__pyx_t_42 >= __pyx_pybuffernd_line_segments.diminfo[1].shape)) __pyx_t_2 = 1;
        if (__pyx_t_43 < 0) {
          __pyx_t_43 += __pyx_pybuffernd_line_segments.diminfo[2].shape;
          if (unlikely(__pyx_t_43 < 0)) __pyx_t_2 = 2;
        } else if (unlikely(__pyx_t_43 >= __pyx_pybuffernd_line_segments.diminfo[2].shape)) __pyx_t_2 = 2;
        if (unlikely(__pyx_t_2 != -1)) {
          __Pyx_RaiseBufferIndexError(__pyx_t_2);
          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 559; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        }
        *__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.buf, __pyx_t_41, __pyx_pybuffernd_line_segments.diminfo[0].strides, __pyx_t_42, __pyx_pybuffernd_line_segments.diminfo[1].strides, __pyx_t_43, __pyx_pybuffernd_line_segments.diminfo[2].strides) = ((__pyx_v_points->points[1])[__pyx_v_j]);

        /* "yt/utilities/lib/geometry_utils.pyx":560
 *             for j in range(3):
 *                 line_segments[k, 0, j] = points.points[1][j]
 *                 line_segments[k, 1, j] = points.points[2][j]             # <<<<<<<<<<<<<<
 *             k += 1
 *         last = points
 */
        __pyx_t_44 = __pyx_v_k;
        __pyx_t_45 = 1;
        __pyx_t_46 = __pyx_v_j;
        __pyx_t_2 = -1;
        if (__pyx_t_44 < 0) {
          __pyx_t_44 += __pyx_pybuffernd_line_segments.diminfo[0].shape;
          if (unlikely(__pyx_t_44 < 0)) __pyx_t_2 = 0;
        } else if (unlikely(__pyx_t_44 >= __pyx_pybuffernd_line_segments.diminfo[0].shape)) __pyx_t_2 = 0;
        if (__pyx_t_45 < 0) {
          __pyx_t_45 += __pyx_pybuffernd_line_segments.diminfo[1].shape;
          if (unlikely(__pyx_t_45 < 0)) __pyx_t_2 = 1;
        } else if (unlikely(__pyx_t_45 >= __pyx_pybuffernd_line_segments.diminfo[1].shape)) __pyx_t_2 = 1;
        if (__pyx_t_46 < 0) {
          __pyx_t_46 += __pyx_pybuffernd_line_segments.diminfo[2].shape;
          if (unlikely(__pyx_t_46 < 0)) __pyx_t_2 = 2;
        } else if (unlikely(__pyx_t_46 >= __pyx_pybuffernd_line_segments.diminfo[2].shape)) __pyx_t_2 = 2;
        if (unlikely(__pyx_t_2 != -1)) {
          __Pyx_RaiseBufferIndexError(__pyx_t_2);
          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 560; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        }
        *__Pyx_BufPtrStrided3d(__pyx_t_5numpy_float64_t *, __pyx_pybuffernd_line_segments.rcbuffer->pybuffer.buf, __pyx_t_44, __pyx_pybuffernd_line_segments.diminfo[0].strides, __pyx_t_45, __pyx_pybuffernd_line_segments.diminfo[1].strides, __pyx_t_46, __pyx_pybuffernd_line_segments.diminfo[2].strides) = ((__pyx_v_points->points[2])[__pyx_v_j]);
      }

      /* "yt/utilities/lib/geometry_utils.pyx":561
 *                 line_segments[k, 0, j] = points.points[1][j]
 *                 line_segments[k, 1, j] = points.points[2][j]
 *             k += 1             # <<<<<<<<<<<<<<
 *         last = points
 *         points = points.next
 */
      __pyx_v_k = (__pyx_v_k + 1);

      /* "yt/utilities/lib/geometry_utils.pyx":557
 *             line_segments[k, 1, j] = points.points[1][j]
 *         k += 1
 *         if points.count == 3:             # <<<<<<<<<<<<<<
 *             for j in range(3):
 *                 line_segments[k, 0, j] = points.points[1][j]
 */
    }

    /* "yt/utilities/lib/geometry_utils.pyx":562
 *                 line_segments[k, 1, j] = points.points[2][j]
 *             k += 1
 *         last = points             # <<<<<<<<<<<<<<
 *         points = points.next
 *         free(last)
 */
    __pyx_v_last = __pyx_v_points;

    /* "yt/utilities/lib/geometry_utils.pyx":563
 *             k += 1
 *         last = points
 *         points = points.next             # <<<<<<<<<<<<<<
 *         free(last)
 *     return line_segments
 */
    __pyx_t_47 = __pyx_v_points->next;
    __pyx_v_points = __pyx_t_47;

    /* "yt/utilities/lib/geometry_utils.pyx":564
 *         last = points
 *         points = points.next
 *         free(last)             # <<<<<<<<<<<<<<
 *     return line_segments
 */
    free(__pyx_v_last);
  }

  /* "yt/utilities/lib/geometry_utils.pyx":565
 *         points = points.next
 *         free(last)
 *     return line_segments             # <<<<<<<<<<<<<<
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(((PyObject *)__pyx_v_line_segments));
  __pyx_r = ((PyObject *)__pyx_v_line_segments);
  goto __pyx_L0;

  /* "yt/utilities/lib/geometry_utils.pyx":497
 *     p.count += 1
 * 
 * def triangle_plane_intersect(int ax, np.float64_t coord,             # <<<<<<<<<<<<<<
 *                              np.ndarray[np.float64_t, ndim=3] triangles):
 *     cdef np.float64_t p0[3]
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_27);
  __Pyx_XDECREF(__pyx_t_28);
  __Pyx_XDECREF(__pyx_t_29);
  __Pyx_XDECREF(__pyx_t_30);
  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_line_segments.rcbuffer->pybuffer);
    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_triangles.rcbuffer->pybuffer);
  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
  __Pyx_AddTraceback("yt.utilities.lib.geometry_utils.triangle_plane_intersect", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  goto __pyx_L2;
  __pyx_L0:;
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_line_segments.rcbuffer->pybuffer);
  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_triangles.rcbuffer->pybuffer);
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_line_segments);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "fp_utils.pxd":19
 * cimport cython
 * 
 * cdef inline int imax(int i0, int i1) nogil:             # <<<<<<<<<<<<<<
 *     if i0 > i1: return i0
 *     return i1
 */

static CYTHON_INLINE int __pyx_f_2yt_9utilities_3lib_8fp_utils_imax(int __pyx_v_i0, int __pyx_v_i1) {
  int __pyx_r;
  int __pyx_t_1;

  /* "fp_utils.pxd":20
 * 
 * cdef inline int imax(int i0, int i1) nogil:
 *     if i0 > i1: return i0             # <<<<<<<<<<<<<<
 *     return i1
 * 
 */
  __pyx_t_1 = ((__pyx_v_i0 > __pyx_v_i1) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_i0;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":21
 * cdef inline int imax(int i0, int i1) nogil:
 *     if i0 > i1: return i0
 *     return i1             # <<<<<<<<<<<<<<
 * 
 * cdef inline np.float64_t fmax(np.float64_t f0, np.float64_t f1) nogil:
 */
  __pyx_r = __pyx_v_i1;
  goto __pyx_L0;

  /* "fp_utils.pxd":19
 * cimport cython
 * 
 * cdef inline int imax(int i0, int i1) nogil:             # <<<<<<<<<<<<<<
 *     if i0 > i1: return i0
 *     return i1
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "fp_utils.pxd":23
 *     return i1
 * 
 * cdef inline np.float64_t fmax(np.float64_t f0, np.float64_t f1) nogil:             # <<<<<<<<<<<<<<
 *     if f0 > f1: return f0
 *     return f1
 */

static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_2yt_9utilities_3lib_8fp_utils_fmax(__pyx_t_5numpy_float64_t __pyx_v_f0, __pyx_t_5numpy_float64_t __pyx_v_f1) {
  __pyx_t_5numpy_float64_t __pyx_r;
  int __pyx_t_1;

  /* "fp_utils.pxd":24
 * 
 * cdef inline np.float64_t fmax(np.float64_t f0, np.float64_t f1) nogil:
 *     if f0 > f1: return f0             # <<<<<<<<<<<<<<
 *     return f1
 * 
 */
  __pyx_t_1 = ((__pyx_v_f0 > __pyx_v_f1) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_f0;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":25
 * cdef inline np.float64_t fmax(np.float64_t f0, np.float64_t f1) nogil:
 *     if f0 > f1: return f0
 *     return f1             # <<<<<<<<<<<<<<
 * 
 * cdef inline int imin(int i0, int i1) nogil:
 */
  __pyx_r = __pyx_v_f1;
  goto __pyx_L0;

  /* "fp_utils.pxd":23
 *     return i1
 * 
 * cdef inline np.float64_t fmax(np.float64_t f0, np.float64_t f1) nogil:             # <<<<<<<<<<<<<<
 *     if f0 > f1: return f0
 *     return f1
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "fp_utils.pxd":27
 *     return f1
 * 
 * cdef inline int imin(int i0, int i1) nogil:             # <<<<<<<<<<<<<<
 *     if i0 < i1: return i0
 *     return i1
 */

static CYTHON_INLINE int __pyx_f_2yt_9utilities_3lib_8fp_utils_imin(int __pyx_v_i0, int __pyx_v_i1) {
  int __pyx_r;
  int __pyx_t_1;

  /* "fp_utils.pxd":28
 * 
 * cdef inline int imin(int i0, int i1) nogil:
 *     if i0 < i1: return i0             # <<<<<<<<<<<<<<
 *     return i1
 * 
 */
  __pyx_t_1 = ((__pyx_v_i0 < __pyx_v_i1) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_i0;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":29
 * cdef inline int imin(int i0, int i1) nogil:
 *     if i0 < i1: return i0
 *     return i1             # <<<<<<<<<<<<<<
 * 
 * cdef inline np.float64_t fmin(np.float64_t f0, np.float64_t f1) nogil:
 */
  __pyx_r = __pyx_v_i1;
  goto __pyx_L0;

  /* "fp_utils.pxd":27
 *     return f1
 * 
 * cdef inline int imin(int i0, int i1) nogil:             # <<<<<<<<<<<<<<
 *     if i0 < i1: return i0
 *     return i1
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "fp_utils.pxd":31
 *     return i1
 * 
 * cdef inline np.float64_t fmin(np.float64_t f0, np.float64_t f1) nogil:             # <<<<<<<<<<<<<<
 *     if f0 < f1: return f0
 *     return f1
 */

static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_2yt_9utilities_3lib_8fp_utils_fmin(__pyx_t_5numpy_float64_t __pyx_v_f0, __pyx_t_5numpy_float64_t __pyx_v_f1) {
  __pyx_t_5numpy_float64_t __pyx_r;
  int __pyx_t_1;

  /* "fp_utils.pxd":32
 * 
 * cdef inline np.float64_t fmin(np.float64_t f0, np.float64_t f1) nogil:
 *     if f0 < f1: return f0             # <<<<<<<<<<<<<<
 *     return f1
 * 
 */
  __pyx_t_1 = ((__pyx_v_f0 < __pyx_v_f1) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_f0;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":33
 * cdef inline np.float64_t fmin(np.float64_t f0, np.float64_t f1) nogil:
 *     if f0 < f1: return f0
 *     return f1             # <<<<<<<<<<<<<<
 * 
 * cdef inline np.float64_t fabs(np.float64_t f0) nogil:
 */
  __pyx_r = __pyx_v_f1;
  goto __pyx_L0;

  /* "fp_utils.pxd":31
 *     return i1
 * 
 * cdef inline np.float64_t fmin(np.float64_t f0, np.float64_t f1) nogil:             # <<<<<<<<<<<<<<
 *     if f0 < f1: return f0
 *     return f1
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "fp_utils.pxd":35
 *     return f1
 * 
 * cdef inline np.float64_t fabs(np.float64_t f0) nogil:             # <<<<<<<<<<<<<<
 *     if f0 < 0.0: return -f0
 *     return f0
 */

static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_2yt_9utilities_3lib_8fp_utils_fabs(__pyx_t_5numpy_float64_t __pyx_v_f0) {
  __pyx_t_5numpy_float64_t __pyx_r;
  int __pyx_t_1;

  /* "fp_utils.pxd":36
 * 
 * cdef inline np.float64_t fabs(np.float64_t f0) nogil:
 *     if f0 < 0.0: return -f0             # <<<<<<<<<<<<<<
 *     return f0
 * 
 */
  __pyx_t_1 = ((__pyx_v_f0 < 0.0) != 0);
  if (__pyx_t_1) {
    __pyx_r = (-__pyx_v_f0);
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":37
 * cdef inline np.float64_t fabs(np.float64_t f0) nogil:
 *     if f0 < 0.0: return -f0
 *     return f0             # <<<<<<<<<<<<<<
 * 
 * cdef inline int iclip(int i, int a, int b) nogil:
 */
  __pyx_r = __pyx_v_f0;
  goto __pyx_L0;

  /* "fp_utils.pxd":35
 *     return f1
 * 
 * cdef inline np.float64_t fabs(np.float64_t f0) nogil:             # <<<<<<<<<<<<<<
 *     if f0 < 0.0: return -f0
 *     return f0
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "fp_utils.pxd":39
 *     return f0
 * 
 * cdef inline int iclip(int i, int a, int b) nogil:             # <<<<<<<<<<<<<<
 *     if i < a: return a
 *     if i > b: return b
 */

static CYTHON_INLINE int __pyx_f_2yt_9utilities_3lib_8fp_utils_iclip(int __pyx_v_i, int __pyx_v_a, int __pyx_v_b) {
  int __pyx_r;
  int __pyx_t_1;

  /* "fp_utils.pxd":40
 * 
 * cdef inline int iclip(int i, int a, int b) nogil:
 *     if i < a: return a             # <<<<<<<<<<<<<<
 *     if i > b: return b
 *     return i
 */
  __pyx_t_1 = ((__pyx_v_i < __pyx_v_a) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_a;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":41
 * cdef inline int iclip(int i, int a, int b) nogil:
 *     if i < a: return a
 *     if i > b: return b             # <<<<<<<<<<<<<<
 *     return i
 * 
 */
  __pyx_t_1 = ((__pyx_v_i > __pyx_v_b) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_b;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":42
 *     if i < a: return a
 *     if i > b: return b
 *     return i             # <<<<<<<<<<<<<<
 * 
 * cdef inline int i64clip(np.int64_t i, np.int64_t a, np.int64_t b) nogil:
 */
  __pyx_r = __pyx_v_i;
  goto __pyx_L0;

  /* "fp_utils.pxd":39
 *     return f0
 * 
 * cdef inline int iclip(int i, int a, int b) nogil:             # <<<<<<<<<<<<<<
 *     if i < a: return a
 *     if i > b: return b
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "fp_utils.pxd":44
 *     return i
 * 
 * cdef inline int i64clip(np.int64_t i, np.int64_t a, np.int64_t b) nogil:             # <<<<<<<<<<<<<<
 *     if i < a: return a
 *     if i > b: return b
 */

static CYTHON_INLINE int __pyx_f_2yt_9utilities_3lib_8fp_utils_i64clip(__pyx_t_5numpy_int64_t __pyx_v_i, __pyx_t_5numpy_int64_t __pyx_v_a, __pyx_t_5numpy_int64_t __pyx_v_b) {
  int __pyx_r;
  int __pyx_t_1;

  /* "fp_utils.pxd":45
 * 
 * cdef inline int i64clip(np.int64_t i, np.int64_t a, np.int64_t b) nogil:
 *     if i < a: return a             # <<<<<<<<<<<<<<
 *     if i > b: return b
 *     return i
 */
  __pyx_t_1 = ((__pyx_v_i < __pyx_v_a) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_a;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":46
 * cdef inline int i64clip(np.int64_t i, np.int64_t a, np.int64_t b) nogil:
 *     if i < a: return a
 *     if i > b: return b             # <<<<<<<<<<<<<<
 *     return i
 * 
 */
  __pyx_t_1 = ((__pyx_v_i > __pyx_v_b) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_b;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":47
 *     if i < a: return a
 *     if i > b: return b
 *     return i             # <<<<<<<<<<<<<<
 * 
 * cdef inline np.float64_t fclip(np.float64_t f,
 */
  __pyx_r = __pyx_v_i;
  goto __pyx_L0;

  /* "fp_utils.pxd":44
 *     return i
 * 
 * cdef inline int i64clip(np.int64_t i, np.int64_t a, np.int64_t b) nogil:             # <<<<<<<<<<<<<<
 *     if i < a: return a
 *     if i > b: return b
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "fp_utils.pxd":49
 *     return i
 * 
 * cdef inline np.float64_t fclip(np.float64_t f,             # <<<<<<<<<<<<<<
 *                       np.float64_t a, np.float64_t b) nogil:
 *     return fmin(fmax(f, a), b)
 */

static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_2yt_9utilities_3lib_8fp_utils_fclip(__pyx_t_5numpy_float64_t __pyx_v_f, __pyx_t_5numpy_float64_t __pyx_v_a, __pyx_t_5numpy_float64_t __pyx_v_b) {
  __pyx_t_5numpy_float64_t __pyx_r;

  /* "fp_utils.pxd":51
 * cdef inline np.float64_t fclip(np.float64_t f,
 *                       np.float64_t a, np.float64_t b) nogil:
 *     return fmin(fmax(f, a), b)             # <<<<<<<<<<<<<<
 * 
 * cdef inline np.int64_t i64max(np.int64_t i0, np.int64_t i1):
 */
  __pyx_r = __pyx_f_2yt_9utilities_3lib_8fp_utils_fmin(__pyx_f_2yt_9utilities_3lib_8fp_utils_fmax(__pyx_v_f, __pyx_v_a), __pyx_v_b);
  goto __pyx_L0;

  /* "fp_utils.pxd":49
 *     return i
 * 
 * cdef inline np.float64_t fclip(np.float64_t f,             # <<<<<<<<<<<<<<
 *                       np.float64_t a, np.float64_t b) nogil:
 *     return fmin(fmax(f, a), b)
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "fp_utils.pxd":53
 *     return fmin(fmax(f, a), b)
 * 
 * cdef inline np.int64_t i64max(np.int64_t i0, np.int64_t i1):             # <<<<<<<<<<<<<<
 *     if i0 > i1: return i0
 *     return i1
 */

static CYTHON_INLINE __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_8fp_utils_i64max(__pyx_t_5numpy_int64_t __pyx_v_i0, __pyx_t_5numpy_int64_t __pyx_v_i1) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __Pyx_RefNannySetupContext("i64max", 0);

  /* "fp_utils.pxd":54
 * 
 * cdef inline np.int64_t i64max(np.int64_t i0, np.int64_t i1):
 *     if i0 > i1: return i0             # <<<<<<<<<<<<<<
 *     return i1
 * 
 */
  __pyx_t_1 = ((__pyx_v_i0 > __pyx_v_i1) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_i0;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":55
 * cdef inline np.int64_t i64max(np.int64_t i0, np.int64_t i1):
 *     if i0 > i1: return i0
 *     return i1             # <<<<<<<<<<<<<<
 * 
 * cdef inline np.int64_t i64min(np.int64_t i0, np.int64_t i1):
 */
  __pyx_r = __pyx_v_i1;
  goto __pyx_L0;

  /* "fp_utils.pxd":53
 *     return fmin(fmax(f, a), b)
 * 
 * cdef inline np.int64_t i64max(np.int64_t i0, np.int64_t i1):             # <<<<<<<<<<<<<<
 *     if i0 > i1: return i0
 *     return i1
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "fp_utils.pxd":57
 *     return i1
 * 
 * cdef inline np.int64_t i64min(np.int64_t i0, np.int64_t i1):             # <<<<<<<<<<<<<<
 *     if i0 < i1: return i0
 *     return i1
 */

static CYTHON_INLINE __pyx_t_5numpy_int64_t __pyx_f_2yt_9utilities_3lib_8fp_utils_i64min(__pyx_t_5numpy_int64_t __pyx_v_i0, __pyx_t_5numpy_int64_t __pyx_v_i1) {
  __pyx_t_5numpy_int64_t __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __Pyx_RefNannySetupContext("i64min", 0);

  /* "fp_utils.pxd":58
 * 
 * cdef inline np.int64_t i64min(np.int64_t i0, np.int64_t i1):
 *     if i0 < i1: return i0             # <<<<<<<<<<<<<<
 *     return i1
 * 
 */
  __pyx_t_1 = ((__pyx_v_i0 < __pyx_v_i1) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_i0;
    goto __pyx_L0;
  }

  /* "fp_utils.pxd":59
 * cdef inline np.int64_t i64min(np.int64_t i0, np.int64_t i1):
 *     if i0 < i1: return i0
 *     return i1             # <<<<<<<<<<<<<<
 * 
 */
  __pyx_r = __pyx_v_i1;
  goto __pyx_L0;

  /* "fp_utils.pxd":57
 *     return i1
 * 
 * cdef inline np.int64_t i64min(np.int64_t i0, np.int64_t i1):             # <<<<<<<<<<<<<<
 *     if i0 < i1: return i0
 *     return i1
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":197
 *         # experimental exception made for __getbuffer__ and __releasebuffer__
 *         # -- the details of this may change.
 *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):             # <<<<<<<<<<<<<<
 *             # This implementation of getbuffer is geared towards Cython
 *             # requirements, and does not yet fullfill the PEP.
 */

/* Python wrapper */
static CYTHON_UNUSED int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
static CYTHON_UNUSED int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
  int __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__getbuffer__ (wrapper)", 0);
  __pyx_r = __pyx_pf_5numpy_7ndarray___getbuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info), ((int)__pyx_v_flags));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
  int __pyx_v_copy_shape;
  int __pyx_v_i;
  int __pyx_v_ndim;
  int __pyx_v_endian_detector;
  int __pyx_v_little_endian;
  int __pyx_v_t;
  char *__pyx_v_f;
  PyArray_Descr *__pyx_v_descr = 0;
  int __pyx_v_offset;
  int __pyx_v_hasfields;
  int __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_t_4;
  int __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  char *__pyx_t_7;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__getbuffer__", 0);
  if (__pyx_v_info != NULL) {
    __pyx_v_info->obj = Py_None; __Pyx_INCREF(Py_None);
    __Pyx_GIVEREF(__pyx_v_info->obj);
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":203
 *             # of flags
 * 
 *             if info == NULL: return             # <<<<<<<<<<<<<<
 * 
 *             cdef int copy_shape, i, ndim
 */
  __pyx_t_1 = ((__pyx_v_info == NULL) != 0);
  if (__pyx_t_1) {
    __pyx_r = 0;
    goto __pyx_L0;
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":206
 * 
 *             cdef int copy_shape, i, ndim
 *             cdef int endian_detector = 1             # <<<<<<<<<<<<<<
 *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
 * 
 */
  __pyx_v_endian_detector = 1;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":207
 *             cdef int copy_shape, i, ndim
 *             cdef int endian_detector = 1
 *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
 * 
 *             ndim = PyArray_NDIM(self)
 */
  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":209
 *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
 * 
 *             ndim = PyArray_NDIM(self)             # <<<<<<<<<<<<<<
 * 
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
 */
  __pyx_v_ndim = PyArray_NDIM(__pyx_v_self);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":211
 *             ndim = PyArray_NDIM(self)
 * 
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
 *                 copy_shape = 1
 *             else:
 */
  __pyx_t_1 = (((sizeof(npy_intp)) != (sizeof(Py_ssize_t))) != 0);
  if (__pyx_t_1) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":212
 * 
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
 *                 copy_shape = 1             # <<<<<<<<<<<<<<
 *             else:
 *                 copy_shape = 0
 */
    __pyx_v_copy_shape = 1;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":211
 *             ndim = PyArray_NDIM(self)
 * 
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
 *                 copy_shape = 1
 *             else:
 */
    goto __pyx_L4;
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":214
 *                 copy_shape = 1
 *             else:
 *                 copy_shape = 0             # <<<<<<<<<<<<<<
 * 
 *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
 */
  /*else*/ {
    __pyx_v_copy_shape = 0;
  }
  __pyx_L4:;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":216
 *                 copy_shape = 0
 * 
 *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)             # <<<<<<<<<<<<<<
 *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not C contiguous")
 */
  __pyx_t_2 = (((__pyx_v_flags & PyBUF_C_CONTIGUOUS) == PyBUF_C_CONTIGUOUS) != 0);
  if (__pyx_t_2) {
  } else {
    __pyx_t_1 = __pyx_t_2;
    goto __pyx_L6_bool_binop_done;
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":217
 * 
 *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
 *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):             # <<<<<<<<<<<<<<
 *                 raise ValueError(u"ndarray is not C contiguous")
 * 
 */
  __pyx_t_2 = ((!(PyArray_CHKFLAGS(__pyx_v_self, NPY_C_CONTIGUOUS) != 0)) != 0);
  __pyx_t_1 = __pyx_t_2;
  __pyx_L6_bool_binop_done:;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":216
 *                 copy_shape = 0
 * 
 *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)             # <<<<<<<<<<<<<<
 *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not C contiguous")
 */
  if (__pyx_t_1) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":218
 *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
 *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
 * 
 *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
 */
    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__10, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_Raise(__pyx_t_3, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":216
 *                 copy_shape = 0
 * 
 *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)             # <<<<<<<<<<<<<<
 *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not C contiguous")
 */
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":220
 *                 raise ValueError(u"ndarray is not C contiguous")
 * 
 *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)             # <<<<<<<<<<<<<<
 *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not Fortran contiguous")
 */
  __pyx_t_2 = (((__pyx_v_flags & PyBUF_F_CONTIGUOUS) == PyBUF_F_CONTIGUOUS) != 0);
  if (__pyx_t_2) {
  } else {
    __pyx_t_1 = __pyx_t_2;
    goto __pyx_L9_bool_binop_done;
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":221
 * 
 *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
 *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):             # <<<<<<<<<<<<<<
 *                 raise ValueError(u"ndarray is not Fortran contiguous")
 * 
 */
  __pyx_t_2 = ((!(PyArray_CHKFLAGS(__pyx_v_self, NPY_F_CONTIGUOUS) != 0)) != 0);
  __pyx_t_1 = __pyx_t_2;
  __pyx_L9_bool_binop_done:;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":220
 *                 raise ValueError(u"ndarray is not C contiguous")
 * 
 *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)             # <<<<<<<<<<<<<<
 *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not Fortran contiguous")
 */
  if (__pyx_t_1) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":222
 *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
 *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
 * 
 *             info.buf = PyArray_DATA(self)
 */
    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__11, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_Raise(__pyx_t_3, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":220
 *                 raise ValueError(u"ndarray is not C contiguous")
 * 
 *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)             # <<<<<<<<<<<<<<
 *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not Fortran contiguous")
 */
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":224
 *                 raise ValueError(u"ndarray is not Fortran contiguous")
 * 
 *             info.buf = PyArray_DATA(self)             # <<<<<<<<<<<<<<
 *             info.ndim = ndim
 *             if copy_shape:
 */
  __pyx_v_info->buf = PyArray_DATA(__pyx_v_self);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":225
 * 
 *             info.buf = PyArray_DATA(self)
 *             info.ndim = ndim             # <<<<<<<<<<<<<<
 *             if copy_shape:
 *                 # Allocate new buffer for strides and shape info.
 */
  __pyx_v_info->ndim = __pyx_v_ndim;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":226
 *             info.buf = PyArray_DATA(self)
 *             info.ndim = ndim
 *             if copy_shape:             # <<<<<<<<<<<<<<
 *                 # Allocate new buffer for strides and shape info.
 *                 # This is allocated as one block, strides first.
 */
  __pyx_t_1 = (__pyx_v_copy_shape != 0);
  if (__pyx_t_1) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":229
 *                 # Allocate new buffer for strides and shape info.
 *                 # This is allocated as one block, strides first.
 *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)             # <<<<<<<<<<<<<<
 *                 info.shape = info.strides + ndim
 *                 for i in range(ndim):
 */
    __pyx_v_info->strides = ((Py_ssize_t *)malloc((((sizeof(Py_ssize_t)) * ((size_t)__pyx_v_ndim)) * 2)));

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":230
 *                 # This is allocated as one block, strides first.
 *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
 *                 info.shape = info.strides + ndim             # <<<<<<<<<<<<<<
 *                 for i in range(ndim):
 *                     info.strides[i] = PyArray_STRIDES(self)[i]
 */
    __pyx_v_info->shape = (__pyx_v_info->strides + __pyx_v_ndim);

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":231
 *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
 *                 info.shape = info.strides + ndim
 *                 for i in range(ndim):             # <<<<<<<<<<<<<<
 *                     info.strides[i] = PyArray_STRIDES(self)[i]
 *                     info.shape[i] = PyArray_DIMS(self)[i]
 */
    __pyx_t_4 = __pyx_v_ndim;
    for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
      __pyx_v_i = __pyx_t_5;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":232
 *                 info.shape = info.strides + ndim
 *                 for i in range(ndim):
 *                     info.strides[i] = PyArray_STRIDES(self)[i]             # <<<<<<<<<<<<<<
 *                     info.shape[i] = PyArray_DIMS(self)[i]
 *             else:
 */
      (__pyx_v_info->strides[__pyx_v_i]) = (PyArray_STRIDES(__pyx_v_self)[__pyx_v_i]);

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":233
 *                 for i in range(ndim):
 *                     info.strides[i] = PyArray_STRIDES(self)[i]
 *                     info.shape[i] = PyArray_DIMS(self)[i]             # <<<<<<<<<<<<<<
 *             else:
 *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
 */
      (__pyx_v_info->shape[__pyx_v_i]) = (PyArray_DIMS(__pyx_v_self)[__pyx_v_i]);
    }

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":226
 *             info.buf = PyArray_DATA(self)
 *             info.ndim = ndim
 *             if copy_shape:             # <<<<<<<<<<<<<<
 *                 # Allocate new buffer for strides and shape info.
 *                 # This is allocated as one block, strides first.
 */
    goto __pyx_L11;
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":235
 *                     info.shape[i] = PyArray_DIMS(self)[i]
 *             else:
 *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)             # <<<<<<<<<<<<<<
 *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
 *             info.suboffsets = NULL
 */
  /*else*/ {
    __pyx_v_info->strides = ((Py_ssize_t *)PyArray_STRIDES(__pyx_v_self));

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":236
 *             else:
 *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
 *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)             # <<<<<<<<<<<<<<
 *             info.suboffsets = NULL
 *             info.itemsize = PyArray_ITEMSIZE(self)
 */
    __pyx_v_info->shape = ((Py_ssize_t *)PyArray_DIMS(__pyx_v_self));
  }
  __pyx_L11:;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":237
 *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
 *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
 *             info.suboffsets = NULL             # <<<<<<<<<<<<<<
 *             info.itemsize = PyArray_ITEMSIZE(self)
 *             info.readonly = not PyArray_ISWRITEABLE(self)
 */
  __pyx_v_info->suboffsets = NULL;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":238
 *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
 *             info.suboffsets = NULL
 *             info.itemsize = PyArray_ITEMSIZE(self)             # <<<<<<<<<<<<<<
 *             info.readonly = not PyArray_ISWRITEABLE(self)
 * 
 */
  __pyx_v_info->itemsize = PyArray_ITEMSIZE(__pyx_v_self);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":239
 *             info.suboffsets = NULL
 *             info.itemsize = PyArray_ITEMSIZE(self)
 *             info.readonly = not PyArray_ISWRITEABLE(self)             # <<<<<<<<<<<<<<
 * 
 *             cdef int t
 */
  __pyx_v_info->readonly = (!(PyArray_ISWRITEABLE(__pyx_v_self) != 0));

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":242
 * 
 *             cdef int t
 *             cdef char* f = NULL             # <<<<<<<<<<<<<<
 *             cdef dtype descr = self.descr
 *             cdef int offset
 */
  __pyx_v_f = NULL;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":243
 *             cdef int t
 *             cdef char* f = NULL
 *             cdef dtype descr = self.descr             # <<<<<<<<<<<<<<
 *             cdef int offset
 * 
 */
  __pyx_t_3 = ((PyObject *)__pyx_v_self->descr);
  __Pyx_INCREF(__pyx_t_3);
  __pyx_v_descr = ((PyArray_Descr *)__pyx_t_3);
  __pyx_t_3 = 0;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":246
 *             cdef int offset
 * 
 *             cdef bint hasfields = PyDataType_HASFIELDS(descr)             # <<<<<<<<<<<<<<
 * 
 *             if not hasfields and not copy_shape:
 */
  __pyx_v_hasfields = PyDataType_HASFIELDS(__pyx_v_descr);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":248
 *             cdef bint hasfields = PyDataType_HASFIELDS(descr)
 * 
 *             if not hasfields and not copy_shape:             # <<<<<<<<<<<<<<
 *                 # do not call releasebuffer
 *                 info.obj = None
 */
  __pyx_t_2 = ((!(__pyx_v_hasfields != 0)) != 0);
  if (__pyx_t_2) {
  } else {
    __pyx_t_1 = __pyx_t_2;
    goto __pyx_L15_bool_binop_done;
  }
  __pyx_t_2 = ((!(__pyx_v_copy_shape != 0)) != 0);
  __pyx_t_1 = __pyx_t_2;
  __pyx_L15_bool_binop_done:;
  if (__pyx_t_1) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":250
 *             if not hasfields and not copy_shape:
 *                 # do not call releasebuffer
 *                 info.obj = None             # <<<<<<<<<<<<<<
 *             else:
 *                 # need to call releasebuffer
 */
    __Pyx_INCREF(Py_None);
    __Pyx_GIVEREF(Py_None);
    __Pyx_GOTREF(__pyx_v_info->obj);
    __Pyx_DECREF(__pyx_v_info->obj);
    __pyx_v_info->obj = Py_None;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":248
 *             cdef bint hasfields = PyDataType_HASFIELDS(descr)
 * 
 *             if not hasfields and not copy_shape:             # <<<<<<<<<<<<<<
 *                 # do not call releasebuffer
 *                 info.obj = None
 */
    goto __pyx_L14;
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":253
 *             else:
 *                 # need to call releasebuffer
 *                 info.obj = self             # <<<<<<<<<<<<<<
 * 
 *             if not hasfields:
 */
  /*else*/ {
    __Pyx_INCREF(((PyObject *)__pyx_v_self));
    __Pyx_GIVEREF(((PyObject *)__pyx_v_self));
    __Pyx_GOTREF(__pyx_v_info->obj);
    __Pyx_DECREF(__pyx_v_info->obj);
    __pyx_v_info->obj = ((PyObject *)__pyx_v_self);
  }
  __pyx_L14:;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":255
 *                 info.obj = self
 * 
 *             if not hasfields:             # <<<<<<<<<<<<<<
 *                 t = descr.type_num
 *                 if ((descr.byteorder == c'>' and little_endian) or
 */
  __pyx_t_1 = ((!(__pyx_v_hasfields != 0)) != 0);
  if (__pyx_t_1) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":256
 * 
 *             if not hasfields:
 *                 t = descr.type_num             # <<<<<<<<<<<<<<
 *                 if ((descr.byteorder == c'>' and little_endian) or
 *                     (descr.byteorder == c'<' and not little_endian)):
 */
    __pyx_t_4 = __pyx_v_descr->type_num;
    __pyx_v_t = __pyx_t_4;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":257
 *             if not hasfields:
 *                 t = descr.type_num
 *                 if ((descr.byteorder == c'>' and little_endian) or             # <<<<<<<<<<<<<<
 *                     (descr.byteorder == c'<' and not little_endian)):
 *                     raise ValueError(u"Non-native byte order not supported")
 */
    __pyx_t_2 = ((__pyx_v_descr->byteorder == '>') != 0);
    if (!__pyx_t_2) {
      goto __pyx_L20_next_or;
    } else {
    }
    __pyx_t_2 = (__pyx_v_little_endian != 0);
    if (!__pyx_t_2) {
    } else {
      __pyx_t_1 = __pyx_t_2;
      goto __pyx_L19_bool_binop_done;
    }
    __pyx_L20_next_or:;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":258
 *                 t = descr.type_num
 *                 if ((descr.byteorder == c'>' and little_endian) or
 *                     (descr.byteorder == c'<' and not little_endian)):             # <<<<<<<<<<<<<<
 *                     raise ValueError(u"Non-native byte order not supported")
 *                 if   t == NPY_BYTE:        f = "b"
 */
    __pyx_t_2 = ((__pyx_v_descr->byteorder == '<') != 0);
    if (__pyx_t_2) {
    } else {
      __pyx_t_1 = __pyx_t_2;
      goto __pyx_L19_bool_binop_done;
    }
    __pyx_t_2 = ((!(__pyx_v_little_endian != 0)) != 0);
    __pyx_t_1 = __pyx_t_2;
    __pyx_L19_bool_binop_done:;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":257
 *             if not hasfields:
 *                 t = descr.type_num
 *                 if ((descr.byteorder == c'>' and little_endian) or             # <<<<<<<<<<<<<<
 *                     (descr.byteorder == c'<' and not little_endian)):
 *                     raise ValueError(u"Non-native byte order not supported")
 */
    if (__pyx_t_1) {

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":259
 *                 if ((descr.byteorder == c'>' and little_endian) or
 *                     (descr.byteorder == c'<' and not little_endian)):
 *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
 *                 if   t == NPY_BYTE:        f = "b"
 *                 elif t == NPY_UBYTE:       f = "B"
 */
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__12, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 259; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_Raise(__pyx_t_3, 0, 0, 0);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 259; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":257
 *             if not hasfields:
 *                 t = descr.type_num
 *                 if ((descr.byteorder == c'>' and little_endian) or             # <<<<<<<<<<<<<<
 *                     (descr.byteorder == c'<' and not little_endian)):
 *                     raise ValueError(u"Non-native byte order not supported")
 */
    }

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":260
 *                     (descr.byteorder == c'<' and not little_endian)):
 *                     raise ValueError(u"Non-native byte order not supported")
 *                 if   t == NPY_BYTE:        f = "b"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_UBYTE:       f = "B"
 *                 elif t == NPY_SHORT:       f = "h"
 */
    switch (__pyx_v_t) {
      case NPY_BYTE:
      __pyx_v_f = __pyx_k_b;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":261
 *                     raise ValueError(u"Non-native byte order not supported")
 *                 if   t == NPY_BYTE:        f = "b"
 *                 elif t == NPY_UBYTE:       f = "B"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_SHORT:       f = "h"
 *                 elif t == NPY_USHORT:      f = "H"
 */
      case NPY_UBYTE:
      __pyx_v_f = __pyx_k_B;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":262
 *                 if   t == NPY_BYTE:        f = "b"
 *                 elif t == NPY_UBYTE:       f = "B"
 *                 elif t == NPY_SHORT:       f = "h"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_USHORT:      f = "H"
 *                 elif t == NPY_INT:         f = "i"
 */
      case NPY_SHORT:
      __pyx_v_f = __pyx_k_h;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":263
 *                 elif t == NPY_UBYTE:       f = "B"
 *                 elif t == NPY_SHORT:       f = "h"
 *                 elif t == NPY_USHORT:      f = "H"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_INT:         f = "i"
 *                 elif t == NPY_UINT:        f = "I"
 */
      case NPY_USHORT:
      __pyx_v_f = __pyx_k_H;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":264
 *                 elif t == NPY_SHORT:       f = "h"
 *                 elif t == NPY_USHORT:      f = "H"
 *                 elif t == NPY_INT:         f = "i"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_UINT:        f = "I"
 *                 elif t == NPY_LONG:        f = "l"
 */
      case NPY_INT:
      __pyx_v_f = __pyx_k_i;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":265
 *                 elif t == NPY_USHORT:      f = "H"
 *                 elif t == NPY_INT:         f = "i"
 *                 elif t == NPY_UINT:        f = "I"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_LONG:        f = "l"
 *                 elif t == NPY_ULONG:       f = "L"
 */
      case NPY_UINT:
      __pyx_v_f = __pyx_k_I;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":266
 *                 elif t == NPY_INT:         f = "i"
 *                 elif t == NPY_UINT:        f = "I"
 *                 elif t == NPY_LONG:        f = "l"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_ULONG:       f = "L"
 *                 elif t == NPY_LONGLONG:    f = "q"
 */
      case NPY_LONG:
      __pyx_v_f = __pyx_k_l;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":267
 *                 elif t == NPY_UINT:        f = "I"
 *                 elif t == NPY_LONG:        f = "l"
 *                 elif t == NPY_ULONG:       f = "L"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_LONGLONG:    f = "q"
 *                 elif t == NPY_ULONGLONG:   f = "Q"
 */
      case NPY_ULONG:
      __pyx_v_f = __pyx_k_L;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":268
 *                 elif t == NPY_LONG:        f = "l"
 *                 elif t == NPY_ULONG:       f = "L"
 *                 elif t == NPY_LONGLONG:    f = "q"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_ULONGLONG:   f = "Q"
 *                 elif t == NPY_FLOAT:       f = "f"
 */
      case NPY_LONGLONG:
      __pyx_v_f = __pyx_k_q;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":269
 *                 elif t == NPY_ULONG:       f = "L"
 *                 elif t == NPY_LONGLONG:    f = "q"
 *                 elif t == NPY_ULONGLONG:   f = "Q"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_FLOAT:       f = "f"
 *                 elif t == NPY_DOUBLE:      f = "d"
 */
      case NPY_ULONGLONG:
      __pyx_v_f = __pyx_k_Q;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":270
 *                 elif t == NPY_LONGLONG:    f = "q"
 *                 elif t == NPY_ULONGLONG:   f = "Q"
 *                 elif t == NPY_FLOAT:       f = "f"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_DOUBLE:      f = "d"
 *                 elif t == NPY_LONGDOUBLE:  f = "g"
 */
      case NPY_FLOAT:
      __pyx_v_f = __pyx_k_f;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":271
 *                 elif t == NPY_ULONGLONG:   f = "Q"
 *                 elif t == NPY_FLOAT:       f = "f"
 *                 elif t == NPY_DOUBLE:      f = "d"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_LONGDOUBLE:  f = "g"
 *                 elif t == NPY_CFLOAT:      f = "Zf"
 */
      case NPY_DOUBLE:
      __pyx_v_f = __pyx_k_d;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":272
 *                 elif t == NPY_FLOAT:       f = "f"
 *                 elif t == NPY_DOUBLE:      f = "d"
 *                 elif t == NPY_LONGDOUBLE:  f = "g"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_CFLOAT:      f = "Zf"
 *                 elif t == NPY_CDOUBLE:     f = "Zd"
 */
      case NPY_LONGDOUBLE:
      __pyx_v_f = __pyx_k_g;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":273
 *                 elif t == NPY_DOUBLE:      f = "d"
 *                 elif t == NPY_LONGDOUBLE:  f = "g"
 *                 elif t == NPY_CFLOAT:      f = "Zf"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_CDOUBLE:     f = "Zd"
 *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
 */
      case NPY_CFLOAT:
      __pyx_v_f = __pyx_k_Zf;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":274
 *                 elif t == NPY_LONGDOUBLE:  f = "g"
 *                 elif t == NPY_CFLOAT:      f = "Zf"
 *                 elif t == NPY_CDOUBLE:     f = "Zd"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
 *                 elif t == NPY_OBJECT:      f = "O"
 */
      case NPY_CDOUBLE:
      __pyx_v_f = __pyx_k_Zd;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":275
 *                 elif t == NPY_CFLOAT:      f = "Zf"
 *                 elif t == NPY_CDOUBLE:     f = "Zd"
 *                 elif t == NPY_CLONGDOUBLE: f = "Zg"             # <<<<<<<<<<<<<<
 *                 elif t == NPY_OBJECT:      f = "O"
 *                 else:
 */
      case NPY_CLONGDOUBLE:
      __pyx_v_f = __pyx_k_Zg;
      break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":276
 *                 elif t == NPY_CDOUBLE:     f = "Zd"
 *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
 *                 elif t == NPY_OBJECT:      f = "O"             # <<<<<<<<<<<<<<
 *                 else:
 *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
 */
      case NPY_OBJECT:
      __pyx_v_f = __pyx_k_O;
      break;
      default:

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":278
 *                 elif t == NPY_OBJECT:      f = "O"
 *                 else:
 *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
 *                 info.format = f
 *                 return
 */
      __pyx_t_3 = __Pyx_PyInt_From_int(__pyx_v_t); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_6 = PyUnicode_Format(__pyx_kp_u_unknown_dtype_code_in_numpy_pxd, __pyx_t_3); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_GIVEREF(__pyx_t_6);
      PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_6);
      __pyx_t_6 = 0;
      __pyx_t_6 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_t_3, NULL); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_Raise(__pyx_t_6, 0, 0, 0);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      break;
    }

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":279
 *                 else:
 *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
 *                 info.format = f             # <<<<<<<<<<<<<<
 *                 return
 *             else:
 */
    __pyx_v_info->format = __pyx_v_f;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":280
 *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
 *                 info.format = f
 *                 return             # <<<<<<<<<<<<<<
 *             else:
 *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
 */
    __pyx_r = 0;
    goto __pyx_L0;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":255
 *                 info.obj = self
 * 
 *             if not hasfields:             # <<<<<<<<<<<<<<
 *                 t = descr.type_num
 *                 if ((descr.byteorder == c'>' and little_endian) or
 */
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":282
 *                 return
 *             else:
 *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)             # <<<<<<<<<<<<<<
 *                 info.format[0] = c'^' # Native data types, manual alignment
 *                 offset = 0
 */
  /*else*/ {
    __pyx_v_info->format = ((char *)malloc(255));

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":283
 *             else:
 *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
 *                 info.format[0] = c'^' # Native data types, manual alignment             # <<<<<<<<<<<<<<
 *                 offset = 0
 *                 f = _util_dtypestring(descr, info.format + 1,
 */
    (__pyx_v_info->format[0]) = '^';

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":284
 *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
 *                 info.format[0] = c'^' # Native data types, manual alignment
 *                 offset = 0             # <<<<<<<<<<<<<<
 *                 f = _util_dtypestring(descr, info.format + 1,
 *                                       info.format + _buffer_format_string_len,
 */
    __pyx_v_offset = 0;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":285
 *                 info.format[0] = c'^' # Native data types, manual alignment
 *                 offset = 0
 *                 f = _util_dtypestring(descr, info.format + 1,             # <<<<<<<<<<<<<<
 *                                       info.format + _buffer_format_string_len,
 *                                       &offset)
 */
    __pyx_t_7 = __pyx_f_5numpy__util_dtypestring(__pyx_v_descr, (__pyx_v_info->format + 1), (__pyx_v_info->format + 255), (&__pyx_v_offset)); if (unlikely(__pyx_t_7 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 285; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __pyx_v_f = __pyx_t_7;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":288
 *                                       info.format + _buffer_format_string_len,
 *                                       &offset)
 *                 f[0] = c'\0' # Terminate format string             # <<<<<<<<<<<<<<
 * 
 *         def __releasebuffer__(ndarray self, Py_buffer* info):
 */
    (__pyx_v_f[0]) = '\x00';
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":197
 *         # experimental exception made for __getbuffer__ and __releasebuffer__
 *         # -- the details of this may change.
 *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):             # <<<<<<<<<<<<<<
 *             # This implementation of getbuffer is geared towards Cython
 *             # requirements, and does not yet fullfill the PEP.
 */

  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_AddTraceback("numpy.ndarray.__getbuffer__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1;
  if (__pyx_v_info != NULL && __pyx_v_info->obj != NULL) {
    __Pyx_GOTREF(__pyx_v_info->obj);
    __Pyx_DECREF(__pyx_v_info->obj); __pyx_v_info->obj = NULL;
  }
  goto __pyx_L2;
  __pyx_L0:;
  if (__pyx_v_info != NULL && __pyx_v_info->obj == Py_None) {
    __Pyx_GOTREF(Py_None);
    __Pyx_DECREF(Py_None); __pyx_v_info->obj = NULL;
  }
  __pyx_L2:;
  __Pyx_XDECREF((PyObject *)__pyx_v_descr);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":290
 *                 f[0] = c'\0' # Terminate format string
 * 
 *         def __releasebuffer__(ndarray self, Py_buffer* info):             # <<<<<<<<<<<<<<
 *             if PyArray_HASFIELDS(self):
 *                 stdlib.free(info.format)
 */

/* Python wrapper */
static CYTHON_UNUSED void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info); /*proto*/
static CYTHON_UNUSED void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__releasebuffer__ (wrapper)", 0);
  __pyx_pf_5numpy_7ndarray_2__releasebuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
}

static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __Pyx_RefNannySetupContext("__releasebuffer__", 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":291
 * 
 *         def __releasebuffer__(ndarray self, Py_buffer* info):
 *             if PyArray_HASFIELDS(self):             # <<<<<<<<<<<<<<
 *                 stdlib.free(info.format)
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
 */
  __pyx_t_1 = (PyArray_HASFIELDS(__pyx_v_self) != 0);
  if (__pyx_t_1) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":292
 *         def __releasebuffer__(ndarray self, Py_buffer* info):
 *             if PyArray_HASFIELDS(self):
 *                 stdlib.free(info.format)             # <<<<<<<<<<<<<<
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
 *                 stdlib.free(info.strides)
 */
    free(__pyx_v_info->format);

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":291
 * 
 *         def __releasebuffer__(ndarray self, Py_buffer* info):
 *             if PyArray_HASFIELDS(self):             # <<<<<<<<<<<<<<
 *                 stdlib.free(info.format)
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
 */
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":293
 *             if PyArray_HASFIELDS(self):
 *                 stdlib.free(info.format)
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
 *                 stdlib.free(info.strides)
 *                 # info.shape was stored after info.strides in the same block
 */
  __pyx_t_1 = (((sizeof(npy_intp)) != (sizeof(Py_ssize_t))) != 0);
  if (__pyx_t_1) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":294
 *                 stdlib.free(info.format)
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
 *                 stdlib.free(info.strides)             # <<<<<<<<<<<<<<
 *                 # info.shape was stored after info.strides in the same block
 * 
 */
    free(__pyx_v_info->strides);

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":293
 *             if PyArray_HASFIELDS(self):
 *                 stdlib.free(info.format)
 *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
 *                 stdlib.free(info.strides)
 *                 # info.shape was stored after info.strides in the same block
 */
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":290
 *                 f[0] = c'\0' # Terminate format string
 * 
 *         def __releasebuffer__(ndarray self, Py_buffer* info):             # <<<<<<<<<<<<<<
 *             if PyArray_HASFIELDS(self):
 *                 stdlib.free(info.format)
 */

  /* function exit code */
  __Pyx_RefNannyFinishContext();
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":770
 * ctypedef npy_cdouble     complex_t
 * 
 * cdef inline object PyArray_MultiIterNew1(a):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(1, <void*>a)
 * 
 */

static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *__pyx_v_a) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("PyArray_MultiIterNew1", 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":771
 * 
 * cdef inline object PyArray_MultiIterNew1(a):
 *     return PyArray_MultiIterNew(1, <void*>a)             # <<<<<<<<<<<<<<
 * 
 * cdef inline object PyArray_MultiIterNew2(a, b):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyArray_MultiIterNew(1, ((void *)__pyx_v_a)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 771; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":770
 * ctypedef npy_cdouble     complex_t
 * 
 * cdef inline object PyArray_MultiIterNew1(a):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(1, <void*>a)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew1", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":773
 *     return PyArray_MultiIterNew(1, <void*>a)
 * 
 * cdef inline object PyArray_MultiIterNew2(a, b):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
 * 
 */

static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *__pyx_v_a, PyObject *__pyx_v_b) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("PyArray_MultiIterNew2", 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":774
 * 
 * cdef inline object PyArray_MultiIterNew2(a, b):
 *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)             # <<<<<<<<<<<<<<
 * 
 * cdef inline object PyArray_MultiIterNew3(a, b, c):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyArray_MultiIterNew(2, ((void *)__pyx_v_a), ((void *)__pyx_v_b)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 774; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":773
 *     return PyArray_MultiIterNew(1, <void*>a)
 * 
 * cdef inline object PyArray_MultiIterNew2(a, b):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew2", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":776
 *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
 * 
 * cdef inline object PyArray_MultiIterNew3(a, b, c):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
 * 
 */

static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("PyArray_MultiIterNew3", 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":777
 * 
 * cdef inline object PyArray_MultiIterNew3(a, b, c):
 *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)             # <<<<<<<<<<<<<<
 * 
 * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyArray_MultiIterNew(3, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 777; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":776
 *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
 * 
 * cdef inline object PyArray_MultiIterNew3(a, b, c):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew3", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":779
 *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
 * 
 * cdef inline object PyArray_MultiIterNew4(a, b, c, d):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
 * 
 */

static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("PyArray_MultiIterNew4", 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":780
 * 
 * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
 *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)             # <<<<<<<<<<<<<<
 * 
 * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyArray_MultiIterNew(4, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":779
 *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
 * 
 * cdef inline object PyArray_MultiIterNew4(a, b, c, d):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew4", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":782
 *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
 * 
 * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
 * 
 */

static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d, PyObject *__pyx_v_e) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("PyArray_MultiIterNew5", 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":783
 * 
 * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
 *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)             # <<<<<<<<<<<<<<
 * 
 * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyArray_MultiIterNew(5, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d), ((void *)__pyx_v_e)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 783; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":782
 *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
 * 
 * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):             # <<<<<<<<<<<<<<
 *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew5", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":785
 *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
 * 
 * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:             # <<<<<<<<<<<<<<
 *     # Recursive utility function used in __getbuffer__ to get format
 *     # string. The new location in the format string is returned.
 */

static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx_v_descr, char *__pyx_v_f, char *__pyx_v_end, int *__pyx_v_offset) {
  PyArray_Descr *__pyx_v_child = 0;
  int __pyx_v_endian_detector;
  int __pyx_v_little_endian;
  PyObject *__pyx_v_fields = 0;
  PyObject *__pyx_v_childname = NULL;
  PyObject *__pyx_v_new_offset = NULL;
  PyObject *__pyx_v_t = NULL;
  char *__pyx_r;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  Py_ssize_t __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  int __pyx_t_5;
  int __pyx_t_6;
  int __pyx_t_7;
  long __pyx_t_8;
  char *__pyx_t_9;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("_util_dtypestring", 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":790
 * 
 *     cdef dtype child
 *     cdef int endian_detector = 1             # <<<<<<<<<<<<<<
 *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
 *     cdef tuple fields
 */
  __pyx_v_endian_detector = 1;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":791
 *     cdef dtype child
 *     cdef int endian_detector = 1
 *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
 *     cdef tuple fields
 * 
 */
  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":794
 *     cdef tuple fields
 * 
 *     for childname in descr.names:             # <<<<<<<<<<<<<<
 *         fields = descr.fields[childname]
 *         child, new_offset = fields
 */
  if (unlikely(__pyx_v_descr->names == Py_None)) {
    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_t_1 = __pyx_v_descr->names; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
  for (;;) {
    if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
    #if CYTHON_COMPILING_IN_CPYTHON
    __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    #else
    __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_3);
    #endif
    __Pyx_XDECREF_SET(__pyx_v_childname, __pyx_t_3);
    __pyx_t_3 = 0;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":795
 * 
 *     for childname in descr.names:
 *         fields = descr.fields[childname]             # <<<<<<<<<<<<<<
 *         child, new_offset = fields
 * 
 */
    if (unlikely(__pyx_v_descr->fields == Py_None)) {
      PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_t_3 = __Pyx_PyDict_GetItem(__pyx_v_descr->fields, __pyx_v_childname); if (unlikely(__pyx_t_3 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
    __Pyx_GOTREF(__pyx_t_3);
    if (!(likely(PyTuple_CheckExact(__pyx_t_3))||((__pyx_t_3) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "tuple", Py_TYPE(__pyx_t_3)->tp_name), 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_XDECREF_SET(__pyx_v_fields, ((PyObject*)__pyx_t_3));
    __pyx_t_3 = 0;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":796
 *     for childname in descr.names:
 *         fields = descr.fields[childname]
 *         child, new_offset = fields             # <<<<<<<<<<<<<<
 * 
 *         if (end - f) - <int>(new_offset - offset[0]) < 15:
 */
    if (likely(__pyx_v_fields != Py_None)) {
      PyObject* sequence = __pyx_v_fields;
      #if CYTHON_COMPILING_IN_CPYTHON
      Py_ssize_t size = Py_SIZE(sequence);
      #else
      Py_ssize_t size = PySequence_Size(sequence);
      #endif
      if (unlikely(size != 2)) {
        if (size > 2) __Pyx_RaiseTooManyValuesError(2);
        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      }
      #if CYTHON_COMPILING_IN_CPYTHON
      __pyx_t_3 = PyTuple_GET_ITEM(sequence, 0); 
      __pyx_t_4 = PyTuple_GET_ITEM(sequence, 1); 
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      #else
      __pyx_t_3 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      #endif
    } else {
      __Pyx_RaiseNoneNotIterableError(); {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_dtype))))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_XDECREF_SET(__pyx_v_child, ((PyArray_Descr *)__pyx_t_3));
    __pyx_t_3 = 0;
    __Pyx_XDECREF_SET(__pyx_v_new_offset, __pyx_t_4);
    __pyx_t_4 = 0;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":798
 *         child, new_offset = fields
 * 
 *         if (end - f) - <int>(new_offset - offset[0]) < 15:             # <<<<<<<<<<<<<<
 *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
 * 
 */
    __pyx_t_4 = __Pyx_PyInt_From_int((__pyx_v_offset[0])); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_3 = PyNumber_Subtract(__pyx_v_new_offset, __pyx_t_4); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_t_5 = __Pyx_PyInt_As_int(__pyx_t_3); if (unlikely((__pyx_t_5 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __pyx_t_6 = ((((__pyx_v_end - __pyx_v_f) - ((int)__pyx_t_5)) < 15) != 0);
    if (__pyx_t_6) {

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":799
 * 
 *         if (end - f) - <int>(new_offset - offset[0]) < 15:
 *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
 * 
 *         if ((child.byteorder == c'>' and little_endian) or
 */
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_RuntimeError, __pyx_tuple__13, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_Raise(__pyx_t_3, 0, 0, 0);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":798
 *         child, new_offset = fields
 * 
 *         if (end - f) - <int>(new_offset - offset[0]) < 15:             # <<<<<<<<<<<<<<
 *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
 * 
 */
    }

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":801
 *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
 * 
 *         if ((child.byteorder == c'>' and little_endian) or             # <<<<<<<<<<<<<<
 *             (child.byteorder == c'<' and not little_endian)):
 *             raise ValueError(u"Non-native byte order not supported")
 */
    __pyx_t_7 = ((__pyx_v_child->byteorder == '>') != 0);
    if (!__pyx_t_7) {
      goto __pyx_L8_next_or;
    } else {
    }
    __pyx_t_7 = (__pyx_v_little_endian != 0);
    if (!__pyx_t_7) {
    } else {
      __pyx_t_6 = __pyx_t_7;
      goto __pyx_L7_bool_binop_done;
    }
    __pyx_L8_next_or:;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":802
 * 
 *         if ((child.byteorder == c'>' and little_endian) or
 *             (child.byteorder == c'<' and not little_endian)):             # <<<<<<<<<<<<<<
 *             raise ValueError(u"Non-native byte order not supported")
 *             # One could encode it in the format string and have Cython
 */
    __pyx_t_7 = ((__pyx_v_child->byteorder == '<') != 0);
    if (__pyx_t_7) {
    } else {
      __pyx_t_6 = __pyx_t_7;
      goto __pyx_L7_bool_binop_done;
    }
    __pyx_t_7 = ((!(__pyx_v_little_endian != 0)) != 0);
    __pyx_t_6 = __pyx_t_7;
    __pyx_L7_bool_binop_done:;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":801
 *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
 * 
 *         if ((child.byteorder == c'>' and little_endian) or             # <<<<<<<<<<<<<<
 *             (child.byteorder == c'<' and not little_endian)):
 *             raise ValueError(u"Non-native byte order not supported")
 */
    if (__pyx_t_6) {

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":803
 *         if ((child.byteorder == c'>' and little_endian) or
 *             (child.byteorder == c'<' and not little_endian)):
 *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
 *             # One could encode it in the format string and have Cython
 *             # complain instead, BUT: < and > in format strings also imply
 */
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__14, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_Raise(__pyx_t_3, 0, 0, 0);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":801
 *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
 * 
 *         if ((child.byteorder == c'>' and little_endian) or             # <<<<<<<<<<<<<<
 *             (child.byteorder == c'<' and not little_endian)):
 *             raise ValueError(u"Non-native byte order not supported")
 */
    }

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":813
 * 
 *         # Output padding bytes
 *         while offset[0] < new_offset:             # <<<<<<<<<<<<<<
 *             f[0] = 120 # "x"; pad byte
 *             f += 1
 */
    while (1) {
      __pyx_t_3 = __Pyx_PyInt_From_int((__pyx_v_offset[0])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_t_3, __pyx_v_new_offset, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (!__pyx_t_6) break;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":814
 *         # Output padding bytes
 *         while offset[0] < new_offset:
 *             f[0] = 120 # "x"; pad byte             # <<<<<<<<<<<<<<
 *             f += 1
 *             offset[0] += 1
 */
      (__pyx_v_f[0]) = 120;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":815
 *         while offset[0] < new_offset:
 *             f[0] = 120 # "x"; pad byte
 *             f += 1             # <<<<<<<<<<<<<<
 *             offset[0] += 1
 * 
 */
      __pyx_v_f = (__pyx_v_f + 1);

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":816
 *             f[0] = 120 # "x"; pad byte
 *             f += 1
 *             offset[0] += 1             # <<<<<<<<<<<<<<
 * 
 *         offset[0] += child.itemsize
 */
      __pyx_t_8 = 0;
      (__pyx_v_offset[__pyx_t_8]) = ((__pyx_v_offset[__pyx_t_8]) + 1);
    }

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":818
 *             offset[0] += 1
 * 
 *         offset[0] += child.itemsize             # <<<<<<<<<<<<<<
 * 
 *         if not PyDataType_HASFIELDS(child):
 */
    __pyx_t_8 = 0;
    (__pyx_v_offset[__pyx_t_8]) = ((__pyx_v_offset[__pyx_t_8]) + __pyx_v_child->elsize);

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":820
 *         offset[0] += child.itemsize
 * 
 *         if not PyDataType_HASFIELDS(child):             # <<<<<<<<<<<<<<
 *             t = child.type_num
 *             if end - f < 5:
 */
    __pyx_t_6 = ((!(PyDataType_HASFIELDS(__pyx_v_child) != 0)) != 0);
    if (__pyx_t_6) {

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":821
 * 
 *         if not PyDataType_HASFIELDS(child):
 *             t = child.type_num             # <<<<<<<<<<<<<<
 *             if end - f < 5:
 *                 raise RuntimeError(u"Format string allocated too short.")
 */
      __pyx_t_4 = __Pyx_PyInt_From_int(__pyx_v_child->type_num); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 821; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_XDECREF_SET(__pyx_v_t, __pyx_t_4);
      __pyx_t_4 = 0;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":822
 *         if not PyDataType_HASFIELDS(child):
 *             t = child.type_num
 *             if end - f < 5:             # <<<<<<<<<<<<<<
 *                 raise RuntimeError(u"Format string allocated too short.")
 * 
 */
      __pyx_t_6 = (((__pyx_v_end - __pyx_v_f) < 5) != 0);
      if (__pyx_t_6) {

        /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":823
 *             t = child.type_num
 *             if end - f < 5:
 *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
 * 
 *             # Until ticket #99 is fixed, use integers to avoid warnings
 */
        __pyx_t_4 = __Pyx_PyObject_Call(__pyx_builtin_RuntimeError, __pyx_tuple__15, NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        __Pyx_GOTREF(__pyx_t_4);
        __Pyx_Raise(__pyx_t_4, 0, 0, 0);
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":822
 *         if not PyDataType_HASFIELDS(child):
 *             t = child.type_num
 *             if end - f < 5:             # <<<<<<<<<<<<<<
 *                 raise RuntimeError(u"Format string allocated too short.")
 * 
 */
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":826
 * 
 *             # Until ticket #99 is fixed, use integers to avoid warnings
 *             if   t == NPY_BYTE:        f[0] =  98 #"b"             # <<<<<<<<<<<<<<
 *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
 *             elif t == NPY_SHORT:       f[0] = 104 #"h"
 */
      __pyx_t_4 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_BYTE); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 98;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":827
 *             # Until ticket #99 is fixed, use integers to avoid warnings
 *             if   t == NPY_BYTE:        f[0] =  98 #"b"
 *             elif t == NPY_UBYTE:       f[0] =  66 #"B"             # <<<<<<<<<<<<<<
 *             elif t == NPY_SHORT:       f[0] = 104 #"h"
 *             elif t == NPY_USHORT:      f[0] =  72 #"H"
 */
      __pyx_t_3 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_UBYTE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 66;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":828
 *             if   t == NPY_BYTE:        f[0] =  98 #"b"
 *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
 *             elif t == NPY_SHORT:       f[0] = 104 #"h"             # <<<<<<<<<<<<<<
 *             elif t == NPY_USHORT:      f[0] =  72 #"H"
 *             elif t == NPY_INT:         f[0] = 105 #"i"
 */
      __pyx_t_4 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_SHORT); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 104;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":829
 *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
 *             elif t == NPY_SHORT:       f[0] = 104 #"h"
 *             elif t == NPY_USHORT:      f[0] =  72 #"H"             # <<<<<<<<<<<<<<
 *             elif t == NPY_INT:         f[0] = 105 #"i"
 *             elif t == NPY_UINT:        f[0] =  73 #"I"
 */
      __pyx_t_3 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_USHORT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 72;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":830
 *             elif t == NPY_SHORT:       f[0] = 104 #"h"
 *             elif t == NPY_USHORT:      f[0] =  72 #"H"
 *             elif t == NPY_INT:         f[0] = 105 #"i"             # <<<<<<<<<<<<<<
 *             elif t == NPY_UINT:        f[0] =  73 #"I"
 *             elif t == NPY_LONG:        f[0] = 108 #"l"
 */
      __pyx_t_4 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_INT); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 105;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":831
 *             elif t == NPY_USHORT:      f[0] =  72 #"H"
 *             elif t == NPY_INT:         f[0] = 105 #"i"
 *             elif t == NPY_UINT:        f[0] =  73 #"I"             # <<<<<<<<<<<<<<
 *             elif t == NPY_LONG:        f[0] = 108 #"l"
 *             elif t == NPY_ULONG:       f[0] = 76  #"L"
 */
      __pyx_t_3 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_UINT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 73;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":832
 *             elif t == NPY_INT:         f[0] = 105 #"i"
 *             elif t == NPY_UINT:        f[0] =  73 #"I"
 *             elif t == NPY_LONG:        f[0] = 108 #"l"             # <<<<<<<<<<<<<<
 *             elif t == NPY_ULONG:       f[0] = 76  #"L"
 *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
 */
      __pyx_t_4 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_LONG); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 108;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":833
 *             elif t == NPY_UINT:        f[0] =  73 #"I"
 *             elif t == NPY_LONG:        f[0] = 108 #"l"
 *             elif t == NPY_ULONG:       f[0] = 76  #"L"             # <<<<<<<<<<<<<<
 *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
 *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
 */
      __pyx_t_3 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_ULONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 76;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":834
 *             elif t == NPY_LONG:        f[0] = 108 #"l"
 *             elif t == NPY_ULONG:       f[0] = 76  #"L"
 *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"             # <<<<<<<<<<<<<<
 *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
 *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
 */
      __pyx_t_4 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_LONGLONG); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 113;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":835
 *             elif t == NPY_ULONG:       f[0] = 76  #"L"
 *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
 *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"             # <<<<<<<<<<<<<<
 *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
 *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
 */
      __pyx_t_3 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_ULONGLONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 81;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":836
 *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
 *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
 *             elif t == NPY_FLOAT:       f[0] = 102 #"f"             # <<<<<<<<<<<<<<
 *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
 *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
 */
      __pyx_t_4 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_FLOAT); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 102;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":837
 *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
 *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
 *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"             # <<<<<<<<<<<<<<
 *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
 *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
 */
      __pyx_t_3 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_DOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 100;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":838
 *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
 *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
 *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"             # <<<<<<<<<<<<<<
 *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
 *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
 */
      __pyx_t_4 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_LONGDOUBLE); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 103;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":839
 *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
 *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
 *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf             # <<<<<<<<<<<<<<
 *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
 *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
 */
      __pyx_t_3 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_CFLOAT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 90;
        (__pyx_v_f[1]) = 102;
        __pyx_v_f = (__pyx_v_f + 1);
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":840
 *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
 *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
 *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd             # <<<<<<<<<<<<<<
 *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
 *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
 */
      __pyx_t_4 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_CDOUBLE); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 90;
        (__pyx_v_f[1]) = 100;
        __pyx_v_f = (__pyx_v_f + 1);
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":841
 *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
 *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
 *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg             # <<<<<<<<<<<<<<
 *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
 *             else:
 */
      __pyx_t_3 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_CLONGDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 90;
        (__pyx_v_f[1]) = 103;
        __pyx_v_f = (__pyx_v_f + 1);
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":842
 *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
 *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
 *             elif t == NPY_OBJECT:      f[0] = 79 #"O"             # <<<<<<<<<<<<<<
 *             else:
 *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
 */
      __pyx_t_4 = __Pyx_PyInt_From_enum__NPY_TYPES(NPY_OBJECT); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (__pyx_t_6) {
        (__pyx_v_f[0]) = 79;
        goto __pyx_L15;
      }

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":844
 *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
 *             else:
 *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
 *             f += 1
 *         else:
 */
      /*else*/ {
        __pyx_t_3 = PyUnicode_Format(__pyx_kp_u_unknown_dtype_code_in_numpy_pxd, __pyx_v_t); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        __Pyx_GOTREF(__pyx_t_3);
        __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        __Pyx_GOTREF(__pyx_t_4);
        __Pyx_GIVEREF(__pyx_t_3);
        PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_3);
        __pyx_t_3 = 0;
        __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_t_4, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_Raise(__pyx_t_3, 0, 0, 0);
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      }
      __pyx_L15:;

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":845
 *             else:
 *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
 *             f += 1             # <<<<<<<<<<<<<<
 *         else:
 *             # Cython ignores struct boundary information ("T{...}"),
 */
      __pyx_v_f = (__pyx_v_f + 1);

      /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":820
 *         offset[0] += child.itemsize
 * 
 *         if not PyDataType_HASFIELDS(child):             # <<<<<<<<<<<<<<
 *             t = child.type_num
 *             if end - f < 5:
 */
      goto __pyx_L13;
    }

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":849
 *             # Cython ignores struct boundary information ("T{...}"),
 *             # so don't output it
 *             f = _util_dtypestring(child, f, end, offset)             # <<<<<<<<<<<<<<
 *     return f
 * 
 */
    /*else*/ {
      __pyx_t_9 = __pyx_f_5numpy__util_dtypestring(__pyx_v_child, __pyx_v_f, __pyx_v_end, __pyx_v_offset); if (unlikely(__pyx_t_9 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 849; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __pyx_v_f = __pyx_t_9;
    }
    __pyx_L13:;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":794
 *     cdef tuple fields
 * 
 *     for childname in descr.names:             # <<<<<<<<<<<<<<
 *         fields = descr.fields[childname]
 *         child, new_offset = fields
 */
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":850
 *             # so don't output it
 *             f = _util_dtypestring(child, f, end, offset)
 *     return f             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = __pyx_v_f;
  goto __pyx_L0;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":785
 *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
 * 
 * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:             # <<<<<<<<<<<<<<
 *     # Recursive utility function used in __getbuffer__ to get format
 *     # string. The new location in the format string is returned.
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_AddTraceback("numpy._util_dtypestring", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF((PyObject *)__pyx_v_child);
  __Pyx_XDECREF(__pyx_v_fields);
  __Pyx_XDECREF(__pyx_v_childname);
  __Pyx_XDECREF(__pyx_v_new_offset);
  __Pyx_XDECREF(__pyx_v_t);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":966
 * 
 * 
 * cdef inline void set_array_base(ndarray arr, object base):             # <<<<<<<<<<<<<<
 *      cdef PyObject* baseptr
 *      if base is None:
 */

static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_arr, PyObject *__pyx_v_base) {
  PyObject *__pyx_v_baseptr;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  __Pyx_RefNannySetupContext("set_array_base", 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":968
 * cdef inline void set_array_base(ndarray arr, object base):
 *      cdef PyObject* baseptr
 *      if base is None:             # <<<<<<<<<<<<<<
 *          baseptr = NULL
 *      else:
 */
  __pyx_t_1 = (__pyx_v_base == Py_None);
  __pyx_t_2 = (__pyx_t_1 != 0);
  if (__pyx_t_2) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":969
 *      cdef PyObject* baseptr
 *      if base is None:
 *          baseptr = NULL             # <<<<<<<<<<<<<<
 *      else:
 *          Py_INCREF(base) # important to do this before decref below!
 */
    __pyx_v_baseptr = NULL;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":968
 * cdef inline void set_array_base(ndarray arr, object base):
 *      cdef PyObject* baseptr
 *      if base is None:             # <<<<<<<<<<<<<<
 *          baseptr = NULL
 *      else:
 */
    goto __pyx_L3;
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":971
 *          baseptr = NULL
 *      else:
 *          Py_INCREF(base) # important to do this before decref below!             # <<<<<<<<<<<<<<
 *          baseptr = <PyObject*>base
 *      Py_XDECREF(arr.base)
 */
  /*else*/ {
    Py_INCREF(__pyx_v_base);

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":972
 *      else:
 *          Py_INCREF(base) # important to do this before decref below!
 *          baseptr = <PyObject*>base             # <<<<<<<<<<<<<<
 *      Py_XDECREF(arr.base)
 *      arr.base = baseptr
 */
    __pyx_v_baseptr = ((PyObject *)__pyx_v_base);
  }
  __pyx_L3:;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":973
 *          Py_INCREF(base) # important to do this before decref below!
 *          baseptr = <PyObject*>base
 *      Py_XDECREF(arr.base)             # <<<<<<<<<<<<<<
 *      arr.base = baseptr
 * 
 */
  Py_XDECREF(__pyx_v_arr->base);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":974
 *          baseptr = <PyObject*>base
 *      Py_XDECREF(arr.base)
 *      arr.base = baseptr             # <<<<<<<<<<<<<<
 * 
 * cdef inline object get_array_base(ndarray arr):
 */
  __pyx_v_arr->base = __pyx_v_baseptr;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":966
 * 
 * 
 * cdef inline void set_array_base(ndarray arr, object base):             # <<<<<<<<<<<<<<
 *      cdef PyObject* baseptr
 *      if base is None:
 */

  /* function exit code */
  __Pyx_RefNannyFinishContext();
}

/* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":976
 *      arr.base = baseptr
 * 
 * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
 *     if arr.base is NULL:
 *         return None
 */

static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__pyx_v_arr) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __Pyx_RefNannySetupContext("get_array_base", 0);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":977
 * 
 * cdef inline object get_array_base(ndarray arr):
 *     if arr.base is NULL:             # <<<<<<<<<<<<<<
 *         return None
 *     else:
 */
  __pyx_t_1 = ((__pyx_v_arr->base == NULL) != 0);
  if (__pyx_t_1) {

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":978
 * cdef inline object get_array_base(ndarray arr):
 *     if arr.base is NULL:
 *         return None             # <<<<<<<<<<<<<<
 *     else:
 *         return <object>arr.base
 */
    __Pyx_XDECREF(__pyx_r);
    __Pyx_INCREF(Py_None);
    __pyx_r = Py_None;
    goto __pyx_L0;

    /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":977
 * 
 * cdef inline object get_array_base(ndarray arr):
 *     if arr.base is NULL:             # <<<<<<<<<<<<<<
 *         return None
 *     else:
 */
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":980
 *         return None
 *     else:
 *         return <object>arr.base             # <<<<<<<<<<<<<<
 */
  /*else*/ {
    __Pyx_XDECREF(__pyx_r);
    __Pyx_INCREF(((PyObject *)__pyx_v_arr->base));
    __pyx_r = ((PyObject *)__pyx_v_arr->base);
    goto __pyx_L0;
  }

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":976
 *      arr.base = baseptr
 * 
 * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
 *     if arr.base is NULL:
 *         return None
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyMethodDef __pyx_methods[] = {
  {0, 0, 0, 0}
};

#if PY_MAJOR_VERSION >= 3
static struct PyModuleDef __pyx_moduledef = {
  #if PY_VERSION_HEX < 0x03020000
    { PyObject_HEAD_INIT(NULL) NULL, 0, NULL },
  #else
    PyModuleDef_HEAD_INIT,
  #endif
    "geometry_utils",
    __pyx_k_Simple_integrators_for_the_radi, /* m_doc */
    -1, /* m_size */
    __pyx_methods /* m_methods */,
    NULL, /* m_reload */
    NULL, /* m_traverse */
    NULL, /* m_clear */
    NULL /* m_free */
};
#endif

static __Pyx_StringTabEntry __pyx_string_tab[] = {
  {&__pyx_kp_s_Could_not_identify_dtype, __pyx_k_Could_not_identify_dtype, sizeof(__pyx_k_Could_not_identify_dtype), 0, 0, 1, 0},
  {&__pyx_n_s_DLE, __pyx_k_DLE, sizeof(__pyx_k_DLE), 0, 0, 1, 1},
  {&__pyx_n_s_DRE, __pyx_k_DRE, sizeof(__pyx_k_DRE), 0, 0, 1, 1},
  {&__pyx_kp_u_Format_string_allocated_too_shor, __pyx_k_Format_string_allocated_too_shor, sizeof(__pyx_k_Format_string_allocated_too_shor), 0, 1, 0, 0},
  {&__pyx_kp_u_Format_string_allocated_too_shor_2, __pyx_k_Format_string_allocated_too_shor_2, sizeof(__pyx_k_Format_string_allocated_too_shor_2), 0, 1, 0, 0},
  {&__pyx_n_s_KeyError, __pyx_k_KeyError, sizeof(__pyx_k_KeyError), 0, 0, 1, 1},
  {&__pyx_kp_u_Non_native_byte_order_not_suppor, __pyx_k_Non_native_byte_order_not_suppor, sizeof(__pyx_k_Non_native_byte_order_not_suppor), 0, 1, 0, 0},
  {&__pyx_n_s_NotImplementedError, __pyx_k_NotImplementedError, sizeof(__pyx_k_NotImplementedError), 0, 0, 1, 1},
  {&__pyx_n_s_RuntimeError, __pyx_k_RuntimeError, sizeof(__pyx_k_RuntimeError), 0, 0, 1, 1},
  {&__pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_k_Users_goldbaum_Documents_yt_hg, sizeof(__pyx_k_Users_goldbaum_Documents_yt_hg), 0, 0, 1, 0},
  {&__pyx_n_s_ValueError, __pyx_k_ValueError, sizeof(__pyx_k_ValueError), 0, 0, 1, 1},
  {&__pyx_n_s_YTDomainOverflow, __pyx_k_YTDomainOverflow, sizeof(__pyx_k_YTDomainOverflow), 0, 0, 1, 1},
  {&__pyx_n_s_astype, __pyx_k_astype, sizeof(__pyx_k_astype), 0, 0, 1, 1},
  {&__pyx_n_s_ax, __pyx_k_ax, sizeof(__pyx_k_ax), 0, 0, 1, 1},
  {&__pyx_n_s_bulk_velocity, __pyx_k_bulk_velocity, sizeof(__pyx_k_bulk_velocity), 0, 0, 1, 1},
  {&__pyx_n_s_bv, __pyx_k_bv, sizeof(__pyx_k_bv), 0, 0, 1, 1},
  {&__pyx_n_s_c, __pyx_k_c, sizeof(__pyx_k_c), 0, 0, 1, 1},
  {&__pyx_n_s_center, __pyx_k_center, sizeof(__pyx_k_center), 0, 0, 1, 1},
  {&__pyx_n_s_compute_morton, __pyx_k_compute_morton, sizeof(__pyx_k_compute_morton), 0, 0, 1, 1},
  {&__pyx_n_s_coord, __pyx_k_coord, sizeof(__pyx_k_coord), 0, 0, 1, 1},
  {&__pyx_n_s_count, __pyx_k_count, sizeof(__pyx_k_count), 0, 0, 1, 1},
  {&__pyx_n_s_data, __pyx_k_data, sizeof(__pyx_k_data), 0, 0, 1, 1},
  {&__pyx_n_s_dds, __pyx_k_dds, sizeof(__pyx_k_dds), 0, 0, 1, 1},
  {&__pyx_n_s_dimensions, __pyx_k_dimensions, sizeof(__pyx_k_dimensions), 0, 0, 1, 1},
  {&__pyx_n_s_domain_left_edge, __pyx_k_domain_left_edge, sizeof(__pyx_k_domain_left_edge), 0, 0, 1, 1},
  {&__pyx_n_s_domain_right_edge, __pyx_k_domain_right_edge, sizeof(__pyx_k_domain_right_edge), 0, 0, 1, 1},
  {&__pyx_n_s_dtype, __pyx_k_dtype, sizeof(__pyx_k_dtype), 0, 0, 1, 1},
  {&__pyx_n_s_empty, __pyx_k_empty, sizeof(__pyx_k_empty), 0, 0, 1, 1},
  {&__pyx_n_s_end, __pyx_k_end, sizeof(__pyx_k_end), 0, 0, 1, 1},
  {&__pyx_n_s_fi, __pyx_k_fi, sizeof(__pyx_k_fi), 0, 0, 1, 1},
  {&__pyx_n_s_field, __pyx_k_field, sizeof(__pyx_k_field), 0, 0, 1, 1},
  {&__pyx_n_s_field_names, __pyx_k_field_names, sizeof(__pyx_k_field_names), 0, 0, 1, 1},
  {&__pyx_n_s_file, __pyx_k_file, sizeof(__pyx_k_file), 0, 0, 1, 1},
  {&__pyx_n_s_filter, __pyx_k_filter, sizeof(__pyx_k_filter), 0, 0, 1, 1},
  {&__pyx_n_s_filter_bbox, __pyx_k_filter_bbox, sizeof(__pyx_k_filter_bbox), 0, 0, 1, 1},
  {&__pyx_n_s_find_values_at_point, __pyx_k_find_values_at_point, sizeof(__pyx_k_find_values_at_point), 0, 0, 1, 1},
  {&__pyx_n_s_first, __pyx_k_first, sizeof(__pyx_k_first), 0, 0, 1, 1},
  {&__pyx_n_s_float32, __pyx_k_float32, sizeof(__pyx_k_float32), 0, 0, 1, 1},
  {&__pyx_n_s_float64, __pyx_k_float64, sizeof(__pyx_k_float64), 0, 0, 1, 1},
  {&__pyx_n_s_get_field_parameter, __pyx_k_get_field_parameter, sizeof(__pyx_k_get_field_parameter), 0, 0, 1, 1},
  {&__pyx_n_s_get_hilbert_indices, __pyx_k_get_hilbert_indices, sizeof(__pyx_k_get_hilbert_indices), 0, 0, 1, 1},
  {&__pyx_n_s_get_hilbert_points, __pyx_k_get_hilbert_points, sizeof(__pyx_k_get_hilbert_points), 0, 0, 1, 1},
  {&__pyx_n_s_get_morton_indices, __pyx_k_get_morton_indices, sizeof(__pyx_k_get_morton_indices), 0, 0, 1, 1},
  {&__pyx_n_s_get_morton_indices_unravel, __pyx_k_get_morton_indices_unravel, sizeof(__pyx_k_get_morton_indices_unravel), 0, 0, 1, 1},
  {&__pyx_n_s_gi, __pyx_k_gi, sizeof(__pyx_k_gi), 0, 0, 1, 1},
  {&__pyx_n_s_grid, __pyx_k_grid, sizeof(__pyx_k_grid), 0, 0, 1, 1},
  {&__pyx_n_s_grid_objects, __pyx_k_grid_objects, sizeof(__pyx_k_grid_objects), 0, 0, 1, 1},
  {&__pyx_n_s_hilbert_indices, __pyx_k_hilbert_indices, sizeof(__pyx_k_hilbert_indices), 0, 0, 1, 1},
  {&__pyx_n_s_i, __pyx_k_i, sizeof(__pyx_k_i), 0, 0, 1, 1},
  {&__pyx_n_s_i0, __pyx_k_i0, sizeof(__pyx_k_i0), 0, 0, 1, 1},
  {&__pyx_n_s_i1, __pyx_k_i1, sizeof(__pyx_k_i1), 0, 0, 1, 1},
  {&__pyx_n_s_i2, __pyx_k_i2, sizeof(__pyx_k_i2), 0, 0, 1, 1},
  {&__pyx_n_s_import, __pyx_k_import, sizeof(__pyx_k_import), 0, 0, 1, 1},
  {&__pyx_n_s_ind, __pyx_k_ind, sizeof(__pyx_k_ind), 0, 0, 1, 1},
  {&__pyx_n_s_indices, __pyx_k_indices, sizeof(__pyx_k_indices), 0, 0, 1, 1},
  {&__pyx_n_s_int64, __pyx_k_int64, sizeof(__pyx_k_int64), 0, 0, 1, 1},
  {&__pyx_n_s_j, __pyx_k_j, sizeof(__pyx_k_j), 0, 0, 1, 1},
  {&__pyx_n_s_k, __pyx_k_k, sizeof(__pyx_k_k), 0, 0, 1, 1},
  {&__pyx_n_s_last, __pyx_k_last, sizeof(__pyx_k_last), 0, 0, 1, 1},
  {&__pyx_n_s_left_edges, __pyx_k_left_edges, sizeof(__pyx_k_left_edges), 0, 0, 1, 1},
  {&__pyx_n_s_left_index, __pyx_k_left_index, sizeof(__pyx_k_left_index), 0, 0, 1, 1},
  {&__pyx_n_s_left_x, __pyx_k_left_x, sizeof(__pyx_k_left_x), 0, 0, 1, 1},
  {&__pyx_n_s_left_y, __pyx_k_left_y, sizeof(__pyx_k_left_y), 0, 0, 1, 1},
  {&__pyx_n_s_left_z, __pyx_k_left_z, sizeof(__pyx_k_left_z), 0, 0, 1, 1},
  {&__pyx_n_s_line_segments, __pyx_k_line_segments, sizeof(__pyx_k_line_segments), 0, 0, 1, 1},
  {&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
  {&__pyx_n_s_mas, __pyx_k_mas, sizeof(__pyx_k_mas), 0, 0, 1, 1},
  {&__pyx_n_s_max, __pyx_k_max, sizeof(__pyx_k_max), 0, 0, 1, 1},
  {&__pyx_n_s_mi, __pyx_k_mi, sizeof(__pyx_k_mi), 0, 0, 1, 1},
  {&__pyx_n_s_min, __pyx_k_min, sizeof(__pyx_k_min), 0, 0, 1, 1},
  {&__pyx_n_s_mis, __pyx_k_mis, sizeof(__pyx_k_mis), 0, 0, 1, 1},
  {&__pyx_n_s_morton_indices, __pyx_k_morton_indices, sizeof(__pyx_k_morton_indices), 0, 0, 1, 1},
  {&__pyx_kp_u_ndarray_is_not_C_contiguous, __pyx_k_ndarray_is_not_C_contiguous, sizeof(__pyx_k_ndarray_is_not_C_contiguous), 0, 1, 0, 0},
  {&__pyx_kp_u_ndarray_is_not_Fortran_contiguou, __pyx_k_ndarray_is_not_Fortran_contiguou, sizeof(__pyx_k_ndarray_is_not_Fortran_contiguou), 0, 1, 0, 0},
  {&__pyx_n_s_nf, __pyx_k_nf, sizeof(__pyx_k_nf), 0, 0, 1, 1},
  {&__pyx_n_s_nlines, __pyx_k_nlines, sizeof(__pyx_k_nlines), 0, 0, 1, 1},
  {&__pyx_n_s_np, __pyx_k_np, sizeof(__pyx_k_np), 0, 0, 1, 1},
  {&__pyx_n_s_ntri, __pyx_k_ntri, sizeof(__pyx_k_ntri), 0, 0, 1, 1},
  {&__pyx_n_s_numpy, __pyx_k_numpy, sizeof(__pyx_k_numpy), 0, 0, 1, 1},
  {&__pyx_n_s_obtain_rv_vec, __pyx_k_obtain_rv_vec, sizeof(__pyx_k_obtain_rv_vec), 0, 0, 1, 1},
  {&__pyx_n_s_obtain_rvec, __pyx_k_obtain_rvec, sizeof(__pyx_k_obtain_rvec), 0, 0, 1, 1},
  {&__pyx_n_s_order, __pyx_k_order, sizeof(__pyx_k_order), 0, 0, 1, 1},
  {&__pyx_n_s_p, __pyx_k_p, sizeof(__pyx_k_p), 0, 0, 1, 1},
  {&__pyx_n_s_p0, __pyx_k_p0, sizeof(__pyx_k_p0), 0, 0, 1, 1},
  {&__pyx_n_s_p1, __pyx_k_p1, sizeof(__pyx_k_p1), 0, 0, 1, 1},
  {&__pyx_n_s_p2, __pyx_k_p2, sizeof(__pyx_k_p2), 0, 0, 1, 1},
  {&__pyx_n_s_p3, __pyx_k_p3, sizeof(__pyx_k_p3), 0, 0, 1, 1},
  {&__pyx_n_s_point, __pyx_k_point, sizeof(__pyx_k_point), 0, 0, 1, 1},
  {&__pyx_n_s_points, __pyx_k_points, sizeof(__pyx_k_points), 0, 0, 1, 1},
  {&__pyx_n_s_pos_x, __pyx_k_pos_x, sizeof(__pyx_k_pos_x), 0, 0, 1, 1},
  {&__pyx_n_s_pos_y, __pyx_k_pos_y, sizeof(__pyx_k_pos_y), 0, 0, 1, 1},
  {&__pyx_n_s_pos_z, __pyx_k_pos_z, sizeof(__pyx_k_pos_z), 0, 0, 1, 1},
  {&__pyx_n_s_positions, __pyx_k_positions, sizeof(__pyx_k_positions), 0, 0, 1, 1},
  {&__pyx_n_s_print, __pyx_k_print, sizeof(__pyx_k_print), 0, 0, 1, 1},
  {&__pyx_n_s_range, __pyx_k_range, sizeof(__pyx_k_range), 0, 0, 1, 1},
  {&__pyx_n_s_rf, __pyx_k_rf, sizeof(__pyx_k_rf), 0, 0, 1, 1},
  {&__pyx_n_s_rg, __pyx_k_rg, sizeof(__pyx_k_rg), 0, 0, 1, 1},
  {&__pyx_n_s_right_edges, __pyx_k_right_edges, sizeof(__pyx_k_right_edges), 0, 0, 1, 1},
  {&__pyx_n_s_rv, __pyx_k_rv, sizeof(__pyx_k_rv), 0, 0, 1, 1},
  {&__pyx_n_s_rvf, __pyx_k_rvf, sizeof(__pyx_k_rvf), 0, 0, 1, 1},
  {&__pyx_n_s_rvg, __pyx_k_rvg, sizeof(__pyx_k_rvg), 0, 0, 1, 1},
  {&__pyx_n_s_shape, __pyx_k_shape, sizeof(__pyx_k_shape), 0, 0, 1, 1},
  {&__pyx_n_s_test, __pyx_k_test, sizeof(__pyx_k_test), 0, 0, 1, 1},
  {&__pyx_n_s_triangle_plane_intersect, __pyx_k_triangle_plane_intersect, sizeof(__pyx_k_triangle_plane_intersect), 0, 0, 1, 1},
  {&__pyx_n_s_triangles, __pyx_k_triangles, sizeof(__pyx_k_triangles), 0, 0, 1, 1},
  {&__pyx_n_s_uint64, __pyx_k_uint64, sizeof(__pyx_k_uint64), 0, 0, 1, 1},
  {&__pyx_kp_u_unknown_dtype_code_in_numpy_pxd, __pyx_k_unknown_dtype_code_in_numpy_pxd, sizeof(__pyx_k_unknown_dtype_code_in_numpy_pxd), 0, 1, 0, 0},
  {&__pyx_n_s_velocity_x, __pyx_k_velocity_x, sizeof(__pyx_k_velocity_x), 0, 0, 1, 1},
  {&__pyx_n_s_velocity_y, __pyx_k_velocity_y, sizeof(__pyx_k_velocity_y), 0, 0, 1, 1},
  {&__pyx_n_s_velocity_z, __pyx_k_velocity_z, sizeof(__pyx_k_velocity_z), 0, 0, 1, 1},
  {&__pyx_n_s_vxf, __pyx_k_vxf, sizeof(__pyx_k_vxf), 0, 0, 1, 1},
  {&__pyx_n_s_vxg, __pyx_k_vxg, sizeof(__pyx_k_vxg), 0, 0, 1, 1},
  {&__pyx_n_s_vyf, __pyx_k_vyf, sizeof(__pyx_k_vyf), 0, 0, 1, 1},
  {&__pyx_n_s_vyg, __pyx_k_vyg, sizeof(__pyx_k_vyg), 0, 0, 1, 1},
  {&__pyx_n_s_vzf, __pyx_k_vzf, sizeof(__pyx_k_vzf), 0, 0, 1, 1},
  {&__pyx_n_s_vzg, __pyx_k_vzg, sizeof(__pyx_k_vzg), 0, 0, 1, 1},
  {&__pyx_n_s_x, __pyx_k_x, sizeof(__pyx_k_x), 0, 0, 1, 1},
  {&__pyx_n_s_xf, __pyx_k_xf, sizeof(__pyx_k_xf), 0, 0, 1, 1},
  {&__pyx_n_s_xg, __pyx_k_xg, sizeof(__pyx_k_xg), 0, 0, 1, 1},
  {&__pyx_n_s_y, __pyx_k_y, sizeof(__pyx_k_y), 0, 0, 1, 1},
  {&__pyx_n_s_yf, __pyx_k_yf, sizeof(__pyx_k_yf), 0, 0, 1, 1},
  {&__pyx_n_s_yg, __pyx_k_yg, sizeof(__pyx_k_yg), 0, 0, 1, 1},
  {&__pyx_n_s_yt_utilities_exceptions, __pyx_k_yt_utilities_exceptions, sizeof(__pyx_k_yt_utilities_exceptions), 0, 0, 1, 1},
  {&__pyx_n_s_yt_utilities_lib_geometry_utils, __pyx_k_yt_utilities_lib_geometry_utils, sizeof(__pyx_k_yt_utilities_lib_geometry_utils), 0, 0, 1, 1},
  {&__pyx_n_s_z, __pyx_k_z, sizeof(__pyx_k_z), 0, 0, 1, 1},
  {&__pyx_n_s_zeros, __pyx_k_zeros, sizeof(__pyx_k_zeros), 0, 0, 1, 1},
  {&__pyx_n_s_zf, __pyx_k_zf, sizeof(__pyx_k_zf), 0, 0, 1, 1},
  {&__pyx_n_s_zg, __pyx_k_zg, sizeof(__pyx_k_zg), 0, 0, 1, 1},
  {0, 0, 0, 0, 0, 0, 0}
};
static int __Pyx_InitCachedBuiltins(void) {
  __pyx_builtin_range = __Pyx_GetBuiltinName(__pyx_n_s_range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_builtin_KeyError = __Pyx_GetBuiltinName(__pyx_n_s_KeyError); if (!__pyx_builtin_KeyError) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_builtin_NotImplementedError = __Pyx_GetBuiltinName(__pyx_n_s_NotImplementedError); if (!__pyx_builtin_NotImplementedError) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_builtin_ValueError = __Pyx_GetBuiltinName(__pyx_n_s_ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_builtin_RuntimeError = __Pyx_GetBuiltinName(__pyx_n_s_RuntimeError); if (!__pyx_builtin_RuntimeError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  return 0;
  __pyx_L1_error:;
  return -1;
}

static int __Pyx_InitCachedConstants(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);

  /* "yt/utilities/lib/geometry_utils.pyx":88
 *     cdef np.float64_t c[3]
 *     cdef int i, j, k
 *     center = data.get_field_parameter("center")             # <<<<<<<<<<<<<<
 *     c[0] = center[0]; c[1] = center[1]; c[2] = center[2]
 *     if len(data['x'].shape) == 1:
 */
  __pyx_tuple_ = PyTuple_Pack(1, __pyx_n_s_center); if (unlikely(!__pyx_tuple_)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple_);
  __Pyx_GIVEREF(__pyx_tuple_);

  /* "yt/utilities/lib/geometry_utils.pyx":448
 *     cdef np.float64_t bv[3]
 *     cdef int i, j, k
 *     bulk_velocity = data.get_field_parameter("bulk_velocity")             # <<<<<<<<<<<<<<
 *     if bulk_velocity == None:
 *         bulk_velocity = np.zeros(3)
 */
  __pyx_tuple__2 = PyTuple_Pack(1, __pyx_n_s_bulk_velocity); if (unlikely(!__pyx_tuple__2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 448; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__2);
  __Pyx_GIVEREF(__pyx_tuple__2);

  /* "yt/utilities/lib/geometry_utils.pyx":450
 *     bulk_velocity = data.get_field_parameter("bulk_velocity")
 *     if bulk_velocity == None:
 *         bulk_velocity = np.zeros(3)             # <<<<<<<<<<<<<<
 *     bv[0] = bulk_velocity[0]; bv[1] = bulk_velocity[1]; bv[2] = bulk_velocity[2]
 *     if len(data['velocity_x'].shape) == 1:
 */
  __pyx_tuple__3 = PyTuple_Pack(1, __pyx_int_3); if (unlikely(!__pyx_tuple__3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__3);
  __Pyx_GIVEREF(__pyx_tuple__3);

  /* "yt/utilities/lib/geometry_utils.pyx":454
 *     if len(data['velocity_x'].shape) == 1:
 *         # One dimensional data
 *         vxf = data['velocity_x'].astype("float64")             # <<<<<<<<<<<<<<
 *         vyf = data['velocity_y'].astype("float64")
 *         vzf = data['velocity_z'].astype("float64")
 */
  __pyx_tuple__4 = PyTuple_Pack(1, __pyx_n_s_float64); if (unlikely(!__pyx_tuple__4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 454; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__4);
  __Pyx_GIVEREF(__pyx_tuple__4);

  /* "yt/utilities/lib/geometry_utils.pyx":455
 *         # One dimensional data
 *         vxf = data['velocity_x'].astype("float64")
 *         vyf = data['velocity_y'].astype("float64")             # <<<<<<<<<<<<<<
 *         vzf = data['velocity_z'].astype("float64")
 *         rvf = np.empty((3, vxf.shape[0]), 'float64')
 */
  __pyx_tuple__5 = PyTuple_Pack(1, __pyx_n_s_float64); if (unlikely(!__pyx_tuple__5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__5);
  __Pyx_GIVEREF(__pyx_tuple__5);

  /* "yt/utilities/lib/geometry_utils.pyx":456
 *         vxf = data['velocity_x'].astype("float64")
 *         vyf = data['velocity_y'].astype("float64")
 *         vzf = data['velocity_z'].astype("float64")             # <<<<<<<<<<<<<<
 *         rvf = np.empty((3, vxf.shape[0]), 'float64')
 *         for i in range(vxf.shape[0]):
 */
  __pyx_tuple__6 = PyTuple_Pack(1, __pyx_n_s_float64); if (unlikely(!__pyx_tuple__6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__6);
  __Pyx_GIVEREF(__pyx_tuple__6);

  /* "yt/utilities/lib/geometry_utils.pyx":465
 *     else:
 *         # Three dimensional data
 *         vxg = data['velocity_x'].astype("float64")             # <<<<<<<<<<<<<<
 *         vyg = data['velocity_y'].astype("float64")
 *         vzg = data['velocity_z'].astype("float64")
 */
  __pyx_tuple__7 = PyTuple_Pack(1, __pyx_n_s_float64); if (unlikely(!__pyx_tuple__7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__7);
  __Pyx_GIVEREF(__pyx_tuple__7);

  /* "yt/utilities/lib/geometry_utils.pyx":466
 *         # Three dimensional data
 *         vxg = data['velocity_x'].astype("float64")
 *         vyg = data['velocity_y'].astype("float64")             # <<<<<<<<<<<<<<
 *         vzg = data['velocity_z'].astype("float64")
 *         rvg = np.empty((3, vxg.shape[0], vxg.shape[1], vxg.shape[2]), 'float64')
 */
  __pyx_tuple__8 = PyTuple_Pack(1, __pyx_n_s_float64); if (unlikely(!__pyx_tuple__8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__8);
  __Pyx_GIVEREF(__pyx_tuple__8);

  /* "yt/utilities/lib/geometry_utils.pyx":467
 *         vxg = data['velocity_x'].astype("float64")
 *         vyg = data['velocity_y'].astype("float64")
 *         vzg = data['velocity_z'].astype("float64")             # <<<<<<<<<<<<<<
 *         rvg = np.empty((3, vxg.shape[0], vxg.shape[1], vxg.shape[2]), 'float64')
 *         for i in range(vxg.shape[0]):
 */
  __pyx_tuple__9 = PyTuple_Pack(1, __pyx_n_s_float64); if (unlikely(!__pyx_tuple__9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__9);
  __Pyx_GIVEREF(__pyx_tuple__9);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":218
 *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
 *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
 * 
 *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
 */
  __pyx_tuple__10 = PyTuple_Pack(1, __pyx_kp_u_ndarray_is_not_C_contiguous); if (unlikely(!__pyx_tuple__10)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__10);
  __Pyx_GIVEREF(__pyx_tuple__10);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":222
 *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
 *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
 *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
 * 
 *             info.buf = PyArray_DATA(self)
 */
  __pyx_tuple__11 = PyTuple_Pack(1, __pyx_kp_u_ndarray_is_not_Fortran_contiguou); if (unlikely(!__pyx_tuple__11)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__11);
  __Pyx_GIVEREF(__pyx_tuple__11);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":259
 *                 if ((descr.byteorder == c'>' and little_endian) or
 *                     (descr.byteorder == c'<' and not little_endian)):
 *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
 *                 if   t == NPY_BYTE:        f = "b"
 *                 elif t == NPY_UBYTE:       f = "B"
 */
  __pyx_tuple__12 = PyTuple_Pack(1, __pyx_kp_u_Non_native_byte_order_not_suppor); if (unlikely(!__pyx_tuple__12)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 259; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__12);
  __Pyx_GIVEREF(__pyx_tuple__12);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":799
 * 
 *         if (end - f) - <int>(new_offset - offset[0]) < 15:
 *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
 * 
 *         if ((child.byteorder == c'>' and little_endian) or
 */
  __pyx_tuple__13 = PyTuple_Pack(1, __pyx_kp_u_Format_string_allocated_too_shor); if (unlikely(!__pyx_tuple__13)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__13);
  __Pyx_GIVEREF(__pyx_tuple__13);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":803
 *         if ((child.byteorder == c'>' and little_endian) or
 *             (child.byteorder == c'<' and not little_endian)):
 *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
 *             # One could encode it in the format string and have Cython
 *             # complain instead, BUT: < and > in format strings also imply
 */
  __pyx_tuple__14 = PyTuple_Pack(1, __pyx_kp_u_Non_native_byte_order_not_suppor); if (unlikely(!__pyx_tuple__14)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__14);
  __Pyx_GIVEREF(__pyx_tuple__14);

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":823
 *             t = child.type_num
 *             if end - f < 5:
 *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
 * 
 *             # Until ticket #99 is fixed, use integers to avoid warnings
 */
  __pyx_tuple__15 = PyTuple_Pack(1, __pyx_kp_u_Format_string_allocated_too_shor_2); if (unlikely(!__pyx_tuple__15)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__15);
  __Pyx_GIVEREF(__pyx_tuple__15);

  /* "yt/utilities/lib/geometry_utils.pyx":40
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def find_values_at_point(np.ndarray[np.float64_t, ndim=1] point,             # <<<<<<<<<<<<<<
 *                          np.ndarray[np.float64_t, ndim=2] left_edges,
 *                          np.ndarray[np.float64_t, ndim=2] right_edges,
 */
  __pyx_tuple__16 = PyTuple_Pack(14, __pyx_n_s_point, __pyx_n_s_left_edges, __pyx_n_s_right_edges, __pyx_n_s_dimensions, __pyx_n_s_field_names, __pyx_n_s_grid_objects, __pyx_n_s_ind, __pyx_n_s_gi, __pyx_n_s_fi, __pyx_n_s_nf, __pyx_n_s_dds, __pyx_n_s_field, __pyx_n_s_rv, __pyx_n_s_grid); if (unlikely(!__pyx_tuple__16)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__16);
  __Pyx_GIVEREF(__pyx_tuple__16);
  __pyx_codeobj__17 = (PyObject*)__Pyx_PyCode_New(6, 0, 14, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__16, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_n_s_find_values_at_point, 40, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__17)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

  /* "yt/utilities/lib/geometry_utils.pyx":75
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def obtain_rvec(data):             # <<<<<<<<<<<<<<
 *     # This is just to let the pointers exist and whatnot.  We can't cdef them
 *     # inside conditionals.
 */
  __pyx_tuple__18 = PyTuple_Pack(14, __pyx_n_s_data, __pyx_n_s_xf, __pyx_n_s_yf, __pyx_n_s_zf, __pyx_n_s_rf, __pyx_n_s_xg, __pyx_n_s_yg, __pyx_n_s_zg, __pyx_n_s_rg, __pyx_n_s_c, __pyx_n_s_i, __pyx_n_s_j, __pyx_n_s_k, __pyx_n_s_center); if (unlikely(!__pyx_tuple__18)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__18);
  __Pyx_GIVEREF(__pyx_tuple__18);
  __pyx_codeobj__19 = (PyObject*)__Pyx_PyCode_New(1, 0, 14, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__18, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_n_s_obtain_rvec, 75, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__19)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

  /* "yt/utilities/lib/geometry_utils.pyx":267
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_hilbert_indices(int order, np.ndarray[np.int64_t, ndim=2] left_index):             # <<<<<<<<<<<<<<
 *     # This is inspired by the scurve package by user cortesi on GH.
 *     cdef int i
 */
  __pyx_tuple__20 = PyTuple_Pack(5, __pyx_n_s_order, __pyx_n_s_left_index, __pyx_n_s_i, __pyx_n_s_p, __pyx_n_s_hilbert_indices); if (unlikely(!__pyx_tuple__20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__20);
  __Pyx_GIVEREF(__pyx_tuple__20);
  __pyx_codeobj__21 = (PyObject*)__Pyx_PyCode_New(2, 0, 5, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__20, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_n_s_get_hilbert_indices, 267, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__21)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

  /* "yt/utilities/lib/geometry_utils.pyx":283
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_hilbert_points(int order, np.ndarray[np.int64_t, ndim=1] indices):             # <<<<<<<<<<<<<<
 *     # This is inspired by the scurve package by user cortesi on GH.
 *     cdef int i, j
 */
  __pyx_tuple__22 = PyTuple_Pack(6, __pyx_n_s_order, __pyx_n_s_indices, __pyx_n_s_i, __pyx_n_s_j, __pyx_n_s_p, __pyx_n_s_positions); if (unlikely(!__pyx_tuple__22)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__22);
  __Pyx_GIVEREF(__pyx_tuple__22);
  __pyx_codeobj__23 = (PyObject*)__Pyx_PyCode_New(2, 0, 6, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__22, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_n_s_get_hilbert_points, 283, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__23)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

  /* "yt/utilities/lib/geometry_utils.pyx":319
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_morton_indices(np.ndarray[np.uint64_t, ndim=2] left_index):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t i, mi
 *     cdef np.ndarray[np.uint64_t, ndim=1] morton_indices
 */
  __pyx_tuple__24 = PyTuple_Pack(4, __pyx_n_s_left_index, __pyx_n_s_i, __pyx_n_s_mi, __pyx_n_s_morton_indices); if (unlikely(!__pyx_tuple__24)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__24);
  __Pyx_GIVEREF(__pyx_tuple__24);
  __pyx_codeobj__25 = (PyObject*)__Pyx_PyCode_New(1, 0, 4, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__24, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_n_s_get_morton_indices, 319, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__25)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

  /* "yt/utilities/lib/geometry_utils.pyx":334
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_morton_indices_unravel(np.ndarray[np.uint64_t, ndim=1] left_x,             # <<<<<<<<<<<<<<
 *                                np.ndarray[np.uint64_t, ndim=1] left_y,
 *                                np.ndarray[np.uint64_t, ndim=1] left_z,):
 */
  __pyx_tuple__26 = PyTuple_Pack(6, __pyx_n_s_left_x, __pyx_n_s_left_y, __pyx_n_s_left_z, __pyx_n_s_i, __pyx_n_s_mi, __pyx_n_s_morton_indices); if (unlikely(!__pyx_tuple__26)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__26);
  __Pyx_GIVEREF(__pyx_tuple__26);
  __pyx_codeobj__27 = (PyObject*)__Pyx_PyCode_New(3, 0, 6, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__26, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_n_s_get_morton_indices_unravel, 334, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__27)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

  /* "yt/utilities/lib/geometry_utils.pyx":396
 * DEF ORDER_MAX=20
 * 
 * def compute_morton(np.ndarray pos_x, np.ndarray pos_y, np.ndarray pos_z,             # <<<<<<<<<<<<<<
 *                    domain_left_edge, domain_right_edge, filter_bbox = False):
 *     cdef int i
 */
  __pyx_tuple__28 = PyTuple_Pack(15, __pyx_n_s_pos_x, __pyx_n_s_pos_y, __pyx_n_s_pos_z, __pyx_n_s_domain_left_edge, __pyx_n_s_domain_right_edge, __pyx_n_s_filter_bbox, __pyx_n_s_i, __pyx_n_s_filter, __pyx_n_s_dds, __pyx_n_s_DLE, __pyx_n_s_DRE, __pyx_n_s_ind, __pyx_n_s_rv, __pyx_n_s_mis, __pyx_n_s_mas); if (unlikely(!__pyx_tuple__28)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__28);
  __Pyx_GIVEREF(__pyx_tuple__28);
  __pyx_codeobj__29 = (PyObject*)__Pyx_PyCode_New(6, 0, 15, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__28, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_n_s_compute_morton, 396, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__29)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

  /* "yt/utilities/lib/geometry_utils.pyx":435
 * @cython.wraparound(False)
 * @cython.cdivision(True)
 * def obtain_rv_vec(data):             # <<<<<<<<<<<<<<
 *     # This is just to let the pointers exist and whatnot.  We can't cdef them
 *     # inside conditionals.
 */
  __pyx_tuple__30 = PyTuple_Pack(14, __pyx_n_s_data, __pyx_n_s_vxf, __pyx_n_s_vyf, __pyx_n_s_vzf, __pyx_n_s_rvf, __pyx_n_s_vxg, __pyx_n_s_vyg, __pyx_n_s_vzg, __pyx_n_s_rvg, __pyx_n_s_bv, __pyx_n_s_i, __pyx_n_s_j, __pyx_n_s_k, __pyx_n_s_bulk_velocity); if (unlikely(!__pyx_tuple__30)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 435; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__30);
  __Pyx_GIVEREF(__pyx_tuple__30);
  __pyx_codeobj__31 = (PyObject*)__Pyx_PyCode_New(1, 0, 14, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__30, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_n_s_obtain_rv_vec, 435, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__31)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 435; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

  /* "yt/utilities/lib/geometry_utils.pyx":497
 *     p.count += 1
 * 
 * def triangle_plane_intersect(int ax, np.float64_t coord,             # <<<<<<<<<<<<<<
 *                              np.ndarray[np.float64_t, ndim=3] triangles):
 *     cdef np.float64_t p0[3]
 */
  __pyx_tuple__32 = PyTuple_Pack(20, __pyx_n_s_ax, __pyx_n_s_coord, __pyx_n_s_triangles, __pyx_n_s_p0, __pyx_n_s_p1, __pyx_n_s_p2, __pyx_n_s_p3, __pyx_n_s_i, __pyx_n_s_j, __pyx_n_s_k, __pyx_n_s_count, __pyx_n_s_i0, __pyx_n_s_i1, __pyx_n_s_i2, __pyx_n_s_ntri, __pyx_n_s_nlines, __pyx_n_s_first, __pyx_n_s_last, __pyx_n_s_points, __pyx_n_s_line_segments); if (unlikely(!__pyx_tuple__32)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_tuple__32);
  __Pyx_GIVEREF(__pyx_tuple__32);
  __pyx_codeobj__33 = (PyObject*)__Pyx_PyCode_New(3, 0, 20, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__32, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_Users_goldbaum_Documents_yt_hg, __pyx_n_s_triangle_plane_intersect, 497, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__33)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_RefNannyFinishContext();
  return 0;
  __pyx_L1_error:;
  __Pyx_RefNannyFinishContext();
  return -1;
}

static int __Pyx_InitGlobals(void) {
  if (__Pyx_InitStrings(__pyx_string_tab) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  __pyx_int_2 = PyInt_FromLong(2); if (unlikely(!__pyx_int_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_int_3 = PyInt_FromLong(3); if (unlikely(!__pyx_int_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  return 0;
  __pyx_L1_error:;
  return -1;
}

#if PY_MAJOR_VERSION < 3
PyMODINIT_FUNC initgeometry_utils(void); /*proto*/
PyMODINIT_FUNC initgeometry_utils(void)
#else
PyMODINIT_FUNC PyInit_geometry_utils(void); /*proto*/
PyMODINIT_FUNC PyInit_geometry_utils(void)
#endif
{
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannyDeclarations
  #if CYTHON_REFNANNY
  __Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
  if (!__Pyx_RefNanny) {
      PyErr_Clear();
      __Pyx_RefNanny = __Pyx_RefNannyImportAPI("Cython.Runtime.refnanny");
      if (!__Pyx_RefNanny)
          Py_FatalError("failed to import 'refnanny' module");
  }
  #endif
  __Pyx_RefNannySetupContext("PyMODINIT_FUNC PyInit_geometry_utils(void)", 0);
  if (__Pyx_check_binary_version() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #ifdef __Pyx_CyFunction_USED
  if (__pyx_CyFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #endif
  #ifdef __Pyx_FusedFunction_USED
  if (__pyx_FusedFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #endif
  #ifdef __Pyx_Coroutine_USED
  if (__pyx_Coroutine_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #endif
  #ifdef __Pyx_Generator_USED
  if (__pyx_Generator_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #endif
  #ifdef __Pyx_StopAsyncIteration_USED
  if (__pyx_StopAsyncIteration_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #endif
  /*--- Library function declarations ---*/
  /*--- Threads initialization code ---*/
  #if defined(__PYX_FORCE_INIT_THREADS) && __PYX_FORCE_INIT_THREADS
  #ifdef WITH_THREAD /* Python build with threading support? */
  PyEval_InitThreads();
  #endif
  #endif
  /*--- Module creation code ---*/
  #if PY_MAJOR_VERSION < 3
  __pyx_m = Py_InitModule4("geometry_utils", __pyx_methods, __pyx_k_Simple_integrators_for_the_radi, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
  #else
  __pyx_m = PyModule_Create(&__pyx_moduledef);
  #endif
  if (unlikely(!__pyx_m)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_d = PyModule_GetDict(__pyx_m); if (unlikely(!__pyx_d)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  Py_INCREF(__pyx_d);
  __pyx_b = PyImport_AddModule(__Pyx_BUILTIN_MODULE_NAME); if (unlikely(!__pyx_b)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #if CYTHON_COMPILING_IN_PYPY
  Py_INCREF(__pyx_b);
  #endif
  if (PyObject_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
  /*--- Initialize various global constants etc. ---*/
  if (__Pyx_InitGlobals() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #if PY_MAJOR_VERSION < 3 && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
  if (__Pyx_init_sys_getdefaultencoding_params() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #endif
  if (__pyx_module_is_main_yt__utilities__lib__geometry_utils) {
    if (PyObject_SetAttrString(__pyx_m, "__name__", __pyx_n_s_main) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  #if PY_MAJOR_VERSION >= 3
  {
    PyObject *modules = PyImport_GetModuleDict(); if (unlikely(!modules)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    if (!PyDict_GetItemString(modules, "yt.utilities.lib.geometry_utils")) {
      if (unlikely(PyDict_SetItemString(modules, "yt.utilities.lib.geometry_utils", __pyx_m) < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
  }
  #endif
  /*--- Builtin init code ---*/
  if (__Pyx_InitCachedBuiltins() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  /*--- Constants init code ---*/
  if (__Pyx_InitCachedConstants() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  /*--- Global init code ---*/
  /*--- Variable export code ---*/
  /*--- Function export code ---*/
  /*--- Type init code ---*/
  /*--- Type import code ---*/
  __pyx_ptype_7cpython_4type_type = __Pyx_ImportType(__Pyx_BUILTIN_MODULE_NAME, "type", 
  #if CYTHON_COMPILING_IN_PYPY
  sizeof(PyTypeObject),
  #else
  sizeof(PyHeapTypeObject),
  #endif
  0); if (unlikely(!__pyx_ptype_7cpython_4type_type)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_ptype_5numpy_dtype = __Pyx_ImportType("numpy", "dtype", sizeof(PyArray_Descr), 0); if (unlikely(!__pyx_ptype_5numpy_dtype)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_ptype_5numpy_flatiter = __Pyx_ImportType("numpy", "flatiter", sizeof(PyArrayIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_flatiter)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_ptype_5numpy_broadcast = __Pyx_ImportType("numpy", "broadcast", sizeof(PyArrayMultiIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_broadcast)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_ptype_5numpy_ndarray = __Pyx_ImportType("numpy", "ndarray", sizeof(PyArrayObject), 0); if (unlikely(!__pyx_ptype_5numpy_ndarray)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __pyx_ptype_5numpy_ufunc = __Pyx_ImportType("numpy", "ufunc", sizeof(PyUFuncObject), 0); if (unlikely(!__pyx_ptype_5numpy_ufunc)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 861; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  /*--- Variable import code ---*/
  /*--- Function import code ---*/
  /*--- Execution code ---*/
  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
  if (__Pyx_patch_abc() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  #endif

  /* "yt/utilities/lib/geometry_utils.pyx":16
 * #-----------------------------------------------------------------------------
 * 
 * import numpy as np             # <<<<<<<<<<<<<<
 * cimport numpy as np
 * cimport cython
 */
  __pyx_t_1 = __Pyx_Import(__pyx_n_s_numpy, 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 16; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_np, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 16; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":22
 * from fp_utils cimport fclip, i64clip
 * from libc.math cimport copysign
 * from yt.utilities.exceptions import YTDomainOverflow             # <<<<<<<<<<<<<<
 * 
 * cdef extern from "math.h":
 */
  __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__pyx_n_s_YTDomainOverflow);
  __Pyx_GIVEREF(__pyx_n_s_YTDomainOverflow);
  PyList_SET_ITEM(__pyx_t_1, 0, __pyx_n_s_YTDomainOverflow);
  __pyx_t_2 = __Pyx_Import(__pyx_n_s_yt_utilities_exceptions, __pyx_t_1, -1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_ImportFrom(__pyx_t_2, __pyx_n_s_YTDomainOverflow); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_YTDomainOverflow, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":40
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def find_values_at_point(np.ndarray[np.float64_t, ndim=1] point,             # <<<<<<<<<<<<<<
 *                          np.ndarray[np.float64_t, ndim=2] left_edges,
 *                          np.ndarray[np.float64_t, ndim=2] right_edges,
 */
  __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_2yt_9utilities_3lib_14geometry_utils_1find_values_at_point, NULL, __pyx_n_s_yt_utilities_lib_geometry_utils); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_find_values_at_point, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":75
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def obtain_rvec(data):             # <<<<<<<<<<<<<<
 *     # This is just to let the pointers exist and whatnot.  We can't cdef them
 *     # inside conditionals.
 */
  __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_2yt_9utilities_3lib_14geometry_utils_3obtain_rvec, NULL, __pyx_n_s_yt_utilities_lib_geometry_utils); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_obtain_rvec, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":267
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_hilbert_indices(int order, np.ndarray[np.int64_t, ndim=2] left_index):             # <<<<<<<<<<<<<<
 *     # This is inspired by the scurve package by user cortesi on GH.
 *     cdef int i
 */
  __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_2yt_9utilities_3lib_14geometry_utils_5get_hilbert_indices, NULL, __pyx_n_s_yt_utilities_lib_geometry_utils); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_get_hilbert_indices, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 267; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":283
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_hilbert_points(int order, np.ndarray[np.int64_t, ndim=1] indices):             # <<<<<<<<<<<<<<
 *     # This is inspired by the scurve package by user cortesi on GH.
 *     cdef int i, j
 */
  __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_2yt_9utilities_3lib_14geometry_utils_7get_hilbert_points, NULL, __pyx_n_s_yt_utilities_lib_geometry_utils); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_get_hilbert_points, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":296
 * 
 * # yt did not invent these! :)
 * cdef np.uint64_t _const20 = 0x000001FFC00003FF             # <<<<<<<<<<<<<<
 * cdef np.uint64_t _const10 = 0x0007E007C00F801F
 * cdef np.uint64_t _const04 = 0x00786070C0E181C3
 */
  __pyx_v_2yt_9utilities_3lib_14geometry_utils__const20 = 0x000001FFC00003FF;

  /* "yt/utilities/lib/geometry_utils.pyx":297
 * # yt did not invent these! :)
 * cdef np.uint64_t _const20 = 0x000001FFC00003FF
 * cdef np.uint64_t _const10 = 0x0007E007C00F801F             # <<<<<<<<<<<<<<
 * cdef np.uint64_t _const04 = 0x00786070C0E181C3
 * cdef np.uint64_t _const2a = 0x0199219243248649
 */
  __pyx_v_2yt_9utilities_3lib_14geometry_utils__const10 = 0x0007E007C00F801F;

  /* "yt/utilities/lib/geometry_utils.pyx":298
 * cdef np.uint64_t _const20 = 0x000001FFC00003FF
 * cdef np.uint64_t _const10 = 0x0007E007C00F801F
 * cdef np.uint64_t _const04 = 0x00786070C0E181C3             # <<<<<<<<<<<<<<
 * cdef np.uint64_t _const2a = 0x0199219243248649
 * cdef np.uint64_t _const2b = 0x0649249249249249
 */
  __pyx_v_2yt_9utilities_3lib_14geometry_utils__const04 = 0x00786070C0E181C3;

  /* "yt/utilities/lib/geometry_utils.pyx":299
 * cdef np.uint64_t _const10 = 0x0007E007C00F801F
 * cdef np.uint64_t _const04 = 0x00786070C0E181C3
 * cdef np.uint64_t _const2a = 0x0199219243248649             # <<<<<<<<<<<<<<
 * cdef np.uint64_t _const2b = 0x0649249249249249
 * cdef np.uint64_t _const2c = 0x1249249249249249
 */
  __pyx_v_2yt_9utilities_3lib_14geometry_utils__const2a = 0x0199219243248649;

  /* "yt/utilities/lib/geometry_utils.pyx":300
 * cdef np.uint64_t _const04 = 0x00786070C0E181C3
 * cdef np.uint64_t _const2a = 0x0199219243248649
 * cdef np.uint64_t _const2b = 0x0649249249249249             # <<<<<<<<<<<<<<
 * cdef np.uint64_t _const2c = 0x1249249249249249
 * 
 */
  __pyx_v_2yt_9utilities_3lib_14geometry_utils__const2b = 0x0649249249249249;

  /* "yt/utilities/lib/geometry_utils.pyx":301
 * cdef np.uint64_t _const2a = 0x0199219243248649
 * cdef np.uint64_t _const2b = 0x0649249249249249
 * cdef np.uint64_t _const2c = 0x1249249249249249             # <<<<<<<<<<<<<<
 * 
 * @cython.cdivision(True)
 */
  __pyx_v_2yt_9utilities_3lib_14geometry_utils__const2c = 0x1249249249249249;

  /* "yt/utilities/lib/geometry_utils.pyx":319
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_morton_indices(np.ndarray[np.uint64_t, ndim=2] left_index):             # <<<<<<<<<<<<<<
 *     cdef np.int64_t i, mi
 *     cdef np.ndarray[np.uint64_t, ndim=1] morton_indices
 */
  __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_2yt_9utilities_3lib_14geometry_utils_9get_morton_indices, NULL, __pyx_n_s_yt_utilities_lib_geometry_utils); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_get_morton_indices, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":334
 * @cython.boundscheck(False)
 * @cython.wraparound(False)
 * def get_morton_indices_unravel(np.ndarray[np.uint64_t, ndim=1] left_x,             # <<<<<<<<<<<<<<
 *                                np.ndarray[np.uint64_t, ndim=1] left_y,
 *                                np.ndarray[np.uint64_t, ndim=1] left_z,):
 */
  __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_2yt_9utilities_3lib_14geometry_utils_11get_morton_indices_unravel, NULL, __pyx_n_s_yt_utilities_lib_geometry_utils); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_get_morton_indices_unravel, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 334; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":396
 * DEF ORDER_MAX=20
 * 
 * def compute_morton(np.ndarray pos_x, np.ndarray pos_y, np.ndarray pos_z,             # <<<<<<<<<<<<<<
 *                    domain_left_edge, domain_right_edge, filter_bbox = False):
 *     cdef int i
 */
  __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_2yt_9utilities_3lib_14geometry_utils_13compute_morton, NULL, __pyx_n_s_yt_utilities_lib_geometry_utils); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_compute_morton, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":435
 * @cython.wraparound(False)
 * @cython.cdivision(True)
 * def obtain_rv_vec(data):             # <<<<<<<<<<<<<<
 *     # This is just to let the pointers exist and whatnot.  We can't cdef them
 *     # inside conditionals.
 */
  __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_2yt_9utilities_3lib_14geometry_utils_15obtain_rv_vec, NULL, __pyx_n_s_yt_utilities_lib_geometry_utils); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 435; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_obtain_rv_vec, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 435; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":497
 *     p.count += 1
 * 
 * def triangle_plane_intersect(int ax, np.float64_t coord,             # <<<<<<<<<<<<<<
 *                              np.ndarray[np.float64_t, ndim=3] triangles):
 *     cdef np.float64_t p0[3]
 */
  __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_2yt_9utilities_3lib_14geometry_utils_17triangle_plane_intersect, NULL, __pyx_n_s_yt_utilities_lib_geometry_utils); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_triangle_plane_intersect, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "yt/utilities/lib/geometry_utils.pyx":1
 * """             # <<<<<<<<<<<<<<
 * Simple integrators for the radiative transfer equation
 * 
 */
  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "../../../../usr/local/lib/python2.7/site-packages/Cython/Includes/numpy/__init__.pxd":976
 *      arr.base = baseptr
 * 
 * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
 *     if arr.base is NULL:
 *         return None
 */

  /*--- Wrapped vars code ---*/

  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  if (__pyx_m) {
    if (__pyx_d) {
      __Pyx_AddTraceback("init yt.utilities.lib.geometry_utils", __pyx_clineno, __pyx_lineno, __pyx_filename);
    }
    Py_DECREF(__pyx_m); __pyx_m = 0;
  } else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_ImportError, "init yt.utilities.lib.geometry_utils");
  }
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  #if PY_MAJOR_VERSION < 3
  return;
  #else
  return __pyx_m;
  #endif
}

/* --- Runtime support code --- */
#if CYTHON_REFNANNY
static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
    PyObject *m = NULL, *p = NULL;
    void *r = NULL;
    m = PyImport_ImportModule((char *)modname);
    if (!m) goto end;
    p = PyObject_GetAttrString(m, (char *)"RefNannyAPI");
    if (!p) goto end;
    r = PyLong_AsVoidPtr(p);
end:
    Py_XDECREF(p);
    Py_XDECREF(m);
    return (__Pyx_RefNannyAPIStruct *)r;
}
#endif

static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
    if (unlikely(!result)) {
        PyErr_Format(PyExc_NameError,
#if PY_MAJOR_VERSION >= 3
            "name '%U' is not defined", name);
#else
            "name '%.200s' is not defined", PyString_AS_STRING(name));
#endif
    }
    return result;
}

static void __Pyx_RaiseArgtupleInvalid(
    const char* func_name,
    int exact,
    Py_ssize_t num_min,
    Py_ssize_t num_max,
    Py_ssize_t num_found)
{
    Py_ssize_t num_expected;
    const char *more_or_less;
    if (num_found < num_min) {
        num_expected = num_min;
        more_or_less = "at least";
    } else {
        num_expected = num_max;
        more_or_less = "at most";
    }
    if (exact) {
        more_or_less = "exactly";
    }
    PyErr_Format(PyExc_TypeError,
                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
                 func_name, more_or_less, num_expected,
                 (num_expected == 1) ? "" : "s", num_found);
}

static void __Pyx_RaiseDoubleKeywordsError(
    const char* func_name,
    PyObject* kw_name)
{
    PyErr_Format(PyExc_TypeError,
        #if PY_MAJOR_VERSION >= 3
        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
        #else
        "%s() got multiple values for keyword argument '%s'", func_name,
        PyString_AsString(kw_name));
        #endif
}

static int __Pyx_ParseOptionalKeywords(
    PyObject *kwds,
    PyObject **argnames[],
    PyObject *kwds2,
    PyObject *values[],
    Py_ssize_t num_pos_args,
    const char* function_name)
{
    PyObject *key = 0, *value = 0;
    Py_ssize_t pos = 0;
    PyObject*** name;
    PyObject*** first_kw_arg = argnames + num_pos_args;
    while (PyDict_Next(kwds, &pos, &key, &value)) {
        name = first_kw_arg;
        while (*name && (**name != key)) name++;
        if (*name) {
            values[name-argnames] = value;
            continue;
        }
        name = first_kw_arg;
        #if PY_MAJOR_VERSION < 3
        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
            while (*name) {
                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
                        && _PyString_Eq(**name, key)) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    if ((**argname == key) || (
                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
                             && _PyString_Eq(**argname, key))) {
                        goto arg_passed_twice;
                    }
                    argname++;
                }
            }
        } else
        #endif
        if (likely(PyUnicode_Check(key))) {
            while (*name) {
                int cmp = (**name == key) ? 0 :
                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
                #endif
                    PyUnicode_Compare(**name, key);
                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                if (cmp == 0) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    int cmp = (**argname == key) ? 0 :
                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
                    #endif
                        PyUnicode_Compare(**argname, key);
                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                    if (cmp == 0) goto arg_passed_twice;
                    argname++;
                }
            }
        } else
            goto invalid_keyword_type;
        if (kwds2) {
            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
        } else {
            goto invalid_keyword;
        }
    }
    return 0;
arg_passed_twice:
    __Pyx_RaiseDoubleKeywordsError(function_name, key);
    goto bad;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%.200s() keywords must be strings", function_name);
    goto bad;
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%.200s() got an unexpected keyword argument '%.200s'",
        function_name, PyString_AsString(key));
    #else
        "%s() got an unexpected keyword argument '%U'",
        function_name, key);
    #endif
bad:
    return -1;
}

static void __Pyx_RaiseArgumentTypeInvalid(const char* name, PyObject *obj, PyTypeObject *type) {
    PyErr_Format(PyExc_TypeError,
        "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
        name, type->tp_name, Py_TYPE(obj)->tp_name);
}
static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
    const char *name, int exact)
{
    if (unlikely(!type)) {
        PyErr_SetString(PyExc_SystemError, "Missing type object");
        return 0;
    }
    if (none_allowed && obj == Py_None) return 1;
    else if (exact) {
        if (likely(Py_TYPE(obj) == type)) return 1;
        #if PY_MAJOR_VERSION == 2
        else if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
        #endif
    }
    else {
        if (likely(PyObject_TypeCheck(obj, type))) return 1;
    }
    __Pyx_RaiseArgumentTypeInvalid(name, obj, type);
    return 0;
}

static CYTHON_INLINE int __Pyx_IsLittleEndian(void) {
  unsigned int n = 1;
  return *(unsigned char*)(&n) != 0;
}
static void __Pyx_BufFmt_Init(__Pyx_BufFmt_Context* ctx,
                              __Pyx_BufFmt_StackElem* stack,
                              __Pyx_TypeInfo* type) {
  stack[0].field = &ctx->root;
  stack[0].parent_offset = 0;
  ctx->root.type = type;
  ctx->root.name = "buffer dtype";
  ctx->root.offset = 0;
  ctx->head = stack;
  ctx->head->field = &ctx->root;
  ctx->fmt_offset = 0;
  ctx->head->parent_offset = 0;
  ctx->new_packmode = '@';
  ctx->enc_packmode = '@';
  ctx->new_count = 1;
  ctx->enc_count = 0;
  ctx->enc_type = 0;
  ctx->is_complex = 0;
  ctx->is_valid_array = 0;
  ctx->struct_alignment = 0;
  while (type->typegroup == 'S') {
    ++ctx->head;
    ctx->head->field = type->fields;
    ctx->head->parent_offset = 0;
    type = type->fields->type;
  }
}
static int __Pyx_BufFmt_ParseNumber(const char** ts) {
    int count;
    const char* t = *ts;
    if (*t < '0' || *t > '9') {
      return -1;
    } else {
        count = *t++ - '0';
        while (*t >= '0' && *t < '9') {
            count *= 10;
            count += *t++ - '0';
        }
    }
    *ts = t;
    return count;
}
static int __Pyx_BufFmt_ExpectNumber(const char **ts) {
    int number = __Pyx_BufFmt_ParseNumber(ts);
    if (number == -1)
        PyErr_Format(PyExc_ValueError,\
                     "Does not understand character buffer dtype format string ('%c')", **ts);
    return number;
}
static void __Pyx_BufFmt_RaiseUnexpectedChar(char ch) {
  PyErr_Format(PyExc_ValueError,
               "Unexpected format string character: '%c'", ch);
}
static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
  switch (ch) {
    case 'c': return "'char'";
    case 'b': return "'signed char'";
    case 'B': return "'unsigned char'";
    case 'h': return "'short'";
    case 'H': return "'unsigned short'";
    case 'i': return "'int'";
    case 'I': return "'unsigned int'";
    case 'l': return "'long'";
    case 'L': return "'unsigned long'";
    case 'q': return "'long long'";
    case 'Q': return "'unsigned long long'";
    case 'f': return (is_complex ? "'complex float'" : "'float'");
    case 'd': return (is_complex ? "'complex double'" : "'double'");
    case 'g': return (is_complex ? "'complex long double'" : "'long double'");
    case 'T': return "a struct";
    case 'O': return "Python object";
    case 'P': return "a pointer";
    case 's': case 'p': return "a string";
    case 0: return "end";
    default: return "unparseable format string";
  }
}
static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
  switch (ch) {
    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
    case 'h': case 'H': return 2;
    case 'i': case 'I': case 'l': case 'L': return 4;
    case 'q': case 'Q': return 8;
    case 'f': return (is_complex ? 8 : 4);
    case 'd': return (is_complex ? 16 : 8);
    case 'g': {
      PyErr_SetString(PyExc_ValueError, "Python does not define a standard format string size for long double ('g')..");
      return 0;
    }
    case 'O': case 'P': return sizeof(void*);
    default:
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
}
static size_t __Pyx_BufFmt_TypeCharToNativeSize(char ch, int is_complex) {
  switch (ch) {
    case 'c': case 'b': case 'B': case 's': case 'p': return 1;
    case 'h': case 'H': return sizeof(short);
    case 'i': case 'I': return sizeof(int);
    case 'l': case 'L': return sizeof(long);
    #ifdef HAVE_LONG_LONG
    case 'q': case 'Q': return sizeof(PY_LONG_LONG);
    #endif
    case 'f': return sizeof(float) * (is_complex ? 2 : 1);
    case 'd': return sizeof(double) * (is_complex ? 2 : 1);
    case 'g': return sizeof(long double) * (is_complex ? 2 : 1);
    case 'O': case 'P': return sizeof(void*);
    default: {
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
  }
}
typedef struct { char c; short x; } __Pyx_st_short;
typedef struct { char c; int x; } __Pyx_st_int;
typedef struct { char c; long x; } __Pyx_st_long;
typedef struct { char c; float x; } __Pyx_st_float;
typedef struct { char c; double x; } __Pyx_st_double;
typedef struct { char c; long double x; } __Pyx_st_longdouble;
typedef struct { char c; void *x; } __Pyx_st_void_p;
#ifdef HAVE_LONG_LONG
typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
#endif
static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, CYTHON_UNUSED int is_complex) {
  switch (ch) {
    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
    case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
    case 'i': case 'I': return sizeof(__Pyx_st_int) - sizeof(int);
    case 'l': case 'L': return sizeof(__Pyx_st_long) - sizeof(long);
#ifdef HAVE_LONG_LONG
    case 'q': case 'Q': return sizeof(__Pyx_st_longlong) - sizeof(PY_LONG_LONG);
#endif
    case 'f': return sizeof(__Pyx_st_float) - sizeof(float);
    case 'd': return sizeof(__Pyx_st_double) - sizeof(double);
    case 'g': return sizeof(__Pyx_st_longdouble) - sizeof(long double);
    case 'P': case 'O': return sizeof(__Pyx_st_void_p) - sizeof(void*);
    default:
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
}
/* These are for computing the padding at the end of the struct to align
   on the first member of the struct. This will probably the same as above,
   but we don't have any guarantees.
 */
typedef struct { short x; char c; } __Pyx_pad_short;
typedef struct { int x; char c; } __Pyx_pad_int;
typedef struct { long x; char c; } __Pyx_pad_long;
typedef struct { float x; char c; } __Pyx_pad_float;
typedef struct { double x; char c; } __Pyx_pad_double;
typedef struct { long double x; char c; } __Pyx_pad_longdouble;
typedef struct { void *x; char c; } __Pyx_pad_void_p;
#ifdef HAVE_LONG_LONG
typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
#endif
static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, CYTHON_UNUSED int is_complex) {
  switch (ch) {
    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
    case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
    case 'i': case 'I': return sizeof(__Pyx_pad_int) - sizeof(int);
    case 'l': case 'L': return sizeof(__Pyx_pad_long) - sizeof(long);
#ifdef HAVE_LONG_LONG
    case 'q': case 'Q': return sizeof(__Pyx_pad_longlong) - sizeof(PY_LONG_LONG);
#endif
    case 'f': return sizeof(__Pyx_pad_float) - sizeof(float);
    case 'd': return sizeof(__Pyx_pad_double) - sizeof(double);
    case 'g': return sizeof(__Pyx_pad_longdouble) - sizeof(long double);
    case 'P': case 'O': return sizeof(__Pyx_pad_void_p) - sizeof(void*);
    default:
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
}
static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) {
  switch (ch) {
    case 'c':
        return 'H';
    case 'b': case 'h': case 'i':
    case 'l': case 'q': case 's': case 'p':
        return 'I';
    case 'B': case 'H': case 'I': case 'L': case 'Q':
        return 'U';
    case 'f': case 'd': case 'g':
        return (is_complex ? 'C' : 'R');
    case 'O':
        return 'O';
    case 'P':
        return 'P';
    default: {
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
  }
}
static void __Pyx_BufFmt_RaiseExpected(__Pyx_BufFmt_Context* ctx) {
  if (ctx->head == NULL || ctx->head->field == &ctx->root) {
    const char* expected;
    const char* quote;
    if (ctx->head == NULL) {
      expected = "end";
      quote = "";
    } else {
      expected = ctx->head->field->type->name;
      quote = "'";
    }
    PyErr_Format(PyExc_ValueError,
                 "Buffer dtype mismatch, expected %s%s%s but got %s",
                 quote, expected, quote,
                 __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex));
  } else {
    __Pyx_StructField* field = ctx->head->field;
    __Pyx_StructField* parent = (ctx->head - 1)->field;
    PyErr_Format(PyExc_ValueError,
                 "Buffer dtype mismatch, expected '%s' but got %s in '%s.%s'",
                 field->type->name, __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex),
                 parent->type->name, field->name);
  }
}
static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
  char group;
  size_t size, offset, arraysize = 1;
  if (ctx->enc_type == 0) return 0;
  if (ctx->head->field->type->arraysize[0]) {
    int i, ndim = 0;
    if (ctx->enc_type == 's' || ctx->enc_type == 'p') {
        ctx->is_valid_array = ctx->head->field->type->ndim == 1;
        ndim = 1;
        if (ctx->enc_count != ctx->head->field->type->arraysize[0]) {
            PyErr_Format(PyExc_ValueError,
                         "Expected a dimension of size %zu, got %zu",
                         ctx->head->field->type->arraysize[0], ctx->enc_count);
            return -1;
        }
    }
    if (!ctx->is_valid_array) {
      PyErr_Format(PyExc_ValueError, "Expected %d dimensions, got %d",
                   ctx->head->field->type->ndim, ndim);
      return -1;
    }
    for (i = 0; i < ctx->head->field->type->ndim; i++) {
      arraysize *= ctx->head->field->type->arraysize[i];
    }
    ctx->is_valid_array = 0;
    ctx->enc_count = 1;
  }
  group = __Pyx_BufFmt_TypeCharToGroup(ctx->enc_type, ctx->is_complex);
  do {
    __Pyx_StructField* field = ctx->head->field;
    __Pyx_TypeInfo* type = field->type;
    if (ctx->enc_packmode == '@' || ctx->enc_packmode == '^') {
      size = __Pyx_BufFmt_TypeCharToNativeSize(ctx->enc_type, ctx->is_complex);
    } else {
      size = __Pyx_BufFmt_TypeCharToStandardSize(ctx->enc_type, ctx->is_complex);
    }
    if (ctx->enc_packmode == '@') {
      size_t align_at = __Pyx_BufFmt_TypeCharToAlignment(ctx->enc_type, ctx->is_complex);
      size_t align_mod_offset;
      if (align_at == 0) return -1;
      align_mod_offset = ctx->fmt_offset % align_at;
      if (align_mod_offset > 0) ctx->fmt_offset += align_at - align_mod_offset;
      if (ctx->struct_alignment == 0)
          ctx->struct_alignment = __Pyx_BufFmt_TypeCharToPadding(ctx->enc_type,
                                                                 ctx->is_complex);
    }
    if (type->size != size || type->typegroup != group) {
      if (type->typegroup == 'C' && type->fields != NULL) {
        size_t parent_offset = ctx->head->parent_offset + field->offset;
        ++ctx->head;
        ctx->head->field = type->fields;
        ctx->head->parent_offset = parent_offset;
        continue;
      }
      if ((type->typegroup == 'H' || group == 'H') && type->size == size) {
      } else {
          __Pyx_BufFmt_RaiseExpected(ctx);
          return -1;
      }
    }
    offset = ctx->head->parent_offset + field->offset;
    if (ctx->fmt_offset != offset) {
      PyErr_Format(PyExc_ValueError,
                   "Buffer dtype mismatch; next field is at offset %" CYTHON_FORMAT_SSIZE_T "d but %" CYTHON_FORMAT_SSIZE_T "d expected",
                   (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
      return -1;
    }
    ctx->fmt_offset += size;
    if (arraysize)
      ctx->fmt_offset += (arraysize - 1) * size;
    --ctx->enc_count;
    while (1) {
      if (field == &ctx->root) {
        ctx->head = NULL;
        if (ctx->enc_count != 0) {
          __Pyx_BufFmt_RaiseExpected(ctx);
          return -1;
        }
        break;
      }
      ctx->head->field = ++field;
      if (field->type == NULL) {
        --ctx->head;
        field = ctx->head->field;
        continue;
      } else if (field->type->typegroup == 'S') {
        size_t parent_offset = ctx->head->parent_offset + field->offset;
        if (field->type->fields->type == NULL) continue;
        field = field->type->fields;
        ++ctx->head;
        ctx->head->field = field;
        ctx->head->parent_offset = parent_offset;
        break;
      } else {
        break;
      }
    }
  } while (ctx->enc_count);
  ctx->enc_type = 0;
  ctx->is_complex = 0;
  return 0;
}
static CYTHON_INLINE PyObject *
__pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
{
    const char *ts = *tsp;
    int i = 0, number;
    int ndim = ctx->head->field->type->ndim;
;
    ++ts;
    if (ctx->new_count != 1) {
        PyErr_SetString(PyExc_ValueError,
                        "Cannot handle repeated arrays in format string");
        return NULL;
    }
    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
    while (*ts && *ts != ')') {
        switch (*ts) {
            case ' ': case '\f': case '\r': case '\n': case '\t': case '\v':  continue;
            default:  break;
        }
        number = __Pyx_BufFmt_ExpectNumber(&ts);
        if (number == -1) return NULL;
        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
            return PyErr_Format(PyExc_ValueError,
                        "Expected a dimension of size %zu, got %d",
                        ctx->head->field->type->arraysize[i], number);
        if (*ts != ',' && *ts != ')')
            return PyErr_Format(PyExc_ValueError,
                                "Expected a comma in format string, got '%c'", *ts);
        if (*ts == ',') ts++;
        i++;
    }
    if (i != ndim)
        return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
                            ctx->head->field->type->ndim, i);
    if (!*ts) {
        PyErr_SetString(PyExc_ValueError,
                        "Unexpected end of format string, expected ')'");
        return NULL;
    }
    ctx->is_valid_array = 1;
    ctx->new_count = 1;
    *tsp = ++ts;
    return Py_None;
}
static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
  int got_Z = 0;
  while (1) {
    switch(*ts) {
      case 0:
        if (ctx->enc_type != 0 && ctx->head == NULL) {
          __Pyx_BufFmt_RaiseExpected(ctx);
          return NULL;
        }
        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
        if (ctx->head != NULL) {
          __Pyx_BufFmt_RaiseExpected(ctx);
          return NULL;
        }
        return ts;
      case ' ':
      case '\r':
      case '\n':
        ++ts;
        break;
      case '<':
        if (!__Pyx_IsLittleEndian()) {
          PyErr_SetString(PyExc_ValueError, "Little-endian buffer not supported on big-endian compiler");
          return NULL;
        }
        ctx->new_packmode = '=';
        ++ts;
        break;
      case '>':
      case '!':
        if (__Pyx_IsLittleEndian()) {
          PyErr_SetString(PyExc_ValueError, "Big-endian buffer not supported on little-endian compiler");
          return NULL;
        }
        ctx->new_packmode = '=';
        ++ts;
        break;
      case '=':
      case '@':
      case '^':
        ctx->new_packmode = *ts++;
        break;
      case 'T':
        {
          const char* ts_after_sub;
          size_t i, struct_count = ctx->new_count;
          size_t struct_alignment = ctx->struct_alignment;
          ctx->new_count = 1;
          ++ts;
          if (*ts != '{') {
            PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'");
            return NULL;
          }
          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
          ctx->enc_type = 0;
          ctx->enc_count = 0;
          ctx->struct_alignment = 0;
          ++ts;
          ts_after_sub = ts;
          for (i = 0; i != struct_count; ++i) {
            ts_after_sub = __Pyx_BufFmt_CheckString(ctx, ts);
            if (!ts_after_sub) return NULL;
          }
          ts = ts_after_sub;
          if (struct_alignment) ctx->struct_alignment = struct_alignment;
        }
        break;
      case '}':
        {
          size_t alignment = ctx->struct_alignment;
          ++ts;
          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
          ctx->enc_type = 0;
          if (alignment && ctx->fmt_offset % alignment) {
            ctx->fmt_offset += alignment - (ctx->fmt_offset % alignment);
          }
        }
        return ts;
      case 'x':
        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
        ctx->fmt_offset += ctx->new_count;
        ctx->new_count = 1;
        ctx->enc_count = 0;
        ctx->enc_type = 0;
        ctx->enc_packmode = ctx->new_packmode;
        ++ts;
        break;
      case 'Z':
        got_Z = 1;
        ++ts;
        if (*ts != 'f' && *ts != 'd' && *ts != 'g') {
          __Pyx_BufFmt_RaiseUnexpectedChar('Z');
          return NULL;
        }
      case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I':
      case 'l': case 'L': case 'q': case 'Q':
      case 'f': case 'd': case 'g':
      case 'O': case 'p':
        if (ctx->enc_type == *ts && got_Z == ctx->is_complex &&
            ctx->enc_packmode == ctx->new_packmode) {
          ctx->enc_count += ctx->new_count;
          ctx->new_count = 1;
          got_Z = 0;
          ++ts;
          break;
        }
      case 's':
        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
        ctx->enc_count = ctx->new_count;
        ctx->enc_packmode = ctx->new_packmode;
        ctx->enc_type = *ts;
        ctx->is_complex = got_Z;
        ++ts;
        ctx->new_count = 1;
        got_Z = 0;
        break;
      case ':':
        ++ts;
        while(*ts != ':') ++ts;
        ++ts;
        break;
      case '(':
        if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
        break;
      default:
        {
          int number = __Pyx_BufFmt_ExpectNumber(&ts);
          if (number == -1) return NULL;
          ctx->new_count = (size_t)number;
        }
    }
  }
}
static CYTHON_INLINE void __Pyx_ZeroBuffer(Py_buffer* buf) {
  buf->buf = NULL;
  buf->obj = NULL;
  buf->strides = __Pyx_zeros;
  buf->shape = __Pyx_zeros;
  buf->suboffsets = __Pyx_minusones;
}
static CYTHON_INLINE int __Pyx_GetBufferAndValidate(
        Py_buffer* buf, PyObject* obj,  __Pyx_TypeInfo* dtype, int flags,
        int nd, int cast, __Pyx_BufFmt_StackElem* stack)
{
  if (obj == Py_None || obj == NULL) {
    __Pyx_ZeroBuffer(buf);
    return 0;
  }
  buf->buf = NULL;
  if (__Pyx_GetBuffer(obj, buf, flags) == -1) goto fail;
  if (buf->ndim != nd) {
    PyErr_Format(PyExc_ValueError,
                 "Buffer has wrong number of dimensions (expected %d, got %d)",
                 nd, buf->ndim);
    goto fail;
  }
  if (!cast) {
    __Pyx_BufFmt_Context ctx;
    __Pyx_BufFmt_Init(&ctx, stack, dtype);
    if (!__Pyx_BufFmt_CheckString(&ctx, buf->format)) goto fail;
  }
  if ((unsigned)buf->itemsize != dtype->size) {
    PyErr_Format(PyExc_ValueError,
      "Item size of buffer (%" CYTHON_FORMAT_SSIZE_T "d byte%s) does not match size of '%s' (%" CYTHON_FORMAT_SSIZE_T "d byte%s)",
      buf->itemsize, (buf->itemsize > 1) ? "s" : "",
      dtype->name, (Py_ssize_t)dtype->size, (dtype->size > 1) ? "s" : "");
    goto fail;
  }
  if (buf->suboffsets == NULL) buf->suboffsets = __Pyx_minusones;
  return 0;
fail:;
  __Pyx_ZeroBuffer(buf);
  return -1;
}
static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) {
  if (info->buf == NULL) return;
  if (info->suboffsets == __Pyx_minusones) info->suboffsets = NULL;
  __Pyx_ReleaseBuffer(info);
}

static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
    PyObject *result;
#if CYTHON_COMPILING_IN_CPYTHON
    result = PyDict_GetItem(__pyx_d, name);
    if (likely(result)) {
        Py_INCREF(result);
    } else {
#else
    result = PyObject_GetItem(__pyx_d, name);
    if (!result) {
        PyErr_Clear();
#endif
        result = __Pyx_GetBuiltinName(name);
    }
    return result;
}

#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
    PyObject *result;
    ternaryfunc call = func->ob_type->tp_call;
    if (unlikely(!call))
        return PyObject_Call(func, arg, kw);
    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
        return NULL;
    result = (*call)(func, arg, kw);
    Py_LeaveRecursiveCall();
    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
        PyErr_SetString(
            PyExc_SystemError,
            "NULL result without error in PyObject_Call");
    }
    return result;
}
#endif

static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
    if (unlikely(!type)) {
        PyErr_SetString(PyExc_SystemError, "Missing type object");
        return 0;
    }
    if (likely(PyObject_TypeCheck(obj, type)))
        return 1;
    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
                 Py_TYPE(obj)->tp_name, type->tp_name);
    return 0;
}

static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
    PyObject *r;
    if (!j) return NULL;
    r = PyObject_GetItem(o, j);
    Py_DECREF(j);
    return r;
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                              CYTHON_NCP_UNUSED int wraparound,
                                                              CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_COMPILING_IN_CPYTHON
    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
        PyObject *r = PyList_GET_ITEM(o, i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                              CYTHON_NCP_UNUSED int wraparound,
                                                              CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_COMPILING_IN_CPYTHON
    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
    if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
        PyObject *r = PyTuple_GET_ITEM(o, i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
                                                     CYTHON_NCP_UNUSED int wraparound,
                                                     CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_COMPILING_IN_CPYTHON
    if (is_list || PyList_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
            PyObject *r = PyList_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    }
    else if (PyTuple_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
            PyObject *r = PyTuple_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    } else {
        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
        if (likely(m && m->sq_item)) {
            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
                Py_ssize_t l = m->sq_length(o);
                if (likely(l >= 0)) {
                    i += l;
                } else {
                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
                        PyErr_Clear();
                    else
                        return NULL;
                }
            }
            return m->sq_item(o, i);
        }
    }
#else
    if (is_list || PySequence_Check(o)) {
        return PySequence_GetItem(o, i);
    }
#endif
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
}

static void __Pyx_RaiseBufferFallbackError(void) {
  PyErr_SetString(PyExc_ValueError,
     "Buffer acquisition failed on assignment; and then reacquiring the old buffer failed too!");
}

static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    PyThreadState *tstate = PyThreadState_GET();
    tmp_type = tstate->curexc_type;
    tmp_value = tstate->curexc_value;
    tmp_tb = tstate->curexc_traceback;
    tstate->curexc_type = type;
    tstate->curexc_value = value;
    tstate->curexc_traceback = tb;
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
#else
    PyErr_Restore(type, value, tb);
#endif
}
static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyThreadState *tstate = PyThreadState_GET();
    *type = tstate->curexc_type;
    *value = tstate->curexc_value;
    *tb = tstate->curexc_traceback;
    tstate->curexc_type = 0;
    tstate->curexc_value = 0;
    tstate->curexc_traceback = 0;
#else
    PyErr_Fetch(type, value, tb);
#endif
}

#if PY_MAJOR_VERSION < 3
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                        CYTHON_UNUSED PyObject *cause) {
    Py_XINCREF(type);
    if (!value || value == Py_None)
        value = NULL;
    else
        Py_INCREF(value);
    if (!tb || tb == Py_None)
        tb = NULL;
    else {
        Py_INCREF(tb);
        if (!PyTraceBack_Check(tb)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: arg 3 must be a traceback or None");
            goto raise_error;
        }
    }
    if (PyType_Check(type)) {
#if CYTHON_COMPILING_IN_PYPY
        if (!value) {
            Py_INCREF(Py_None);
            value = Py_None;
        }
#endif
        PyErr_NormalizeException(&type, &value, &tb);
    } else {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto raise_error;
        }
        value = type;
        type = (PyObject*) Py_TYPE(type);
        Py_INCREF(type);
        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: exception class must be a subclass of BaseException");
            goto raise_error;
        }
    }
    __Pyx_ErrRestore(type, value, tb);
    return;
raise_error:
    Py_XDECREF(value);
    Py_XDECREF(type);
    Py_XDECREF(tb);
    return;
}
#else
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
    PyObject* owned_instance = NULL;
    if (tb == Py_None) {
        tb = 0;
    } else if (tb && !PyTraceBack_Check(tb)) {
        PyErr_SetString(PyExc_TypeError,
            "raise: arg 3 must be a traceback or None");
        goto bad;
    }
    if (value == Py_None)
        value = 0;
    if (PyExceptionInstance_Check(type)) {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto bad;
        }
        value = type;
        type = (PyObject*) Py_TYPE(value);
    } else if (PyExceptionClass_Check(type)) {
        PyObject *instance_class = NULL;
        if (value && PyExceptionInstance_Check(value)) {
            instance_class = (PyObject*) Py_TYPE(value);
            if (instance_class != type) {
                int is_subclass = PyObject_IsSubclass(instance_class, type);
                if (!is_subclass) {
                    instance_class = NULL;
                } else if (unlikely(is_subclass == -1)) {
                    goto bad;
                } else {
                    type = instance_class;
                }
            }
        }
        if (!instance_class) {
            PyObject *args;
            if (!value)
                args = PyTuple_New(0);
            else if (PyTuple_Check(value)) {
                Py_INCREF(value);
                args = value;
            } else
                args = PyTuple_Pack(1, value);
            if (!args)
                goto bad;
            owned_instance = PyObject_Call(type, args, NULL);
            Py_DECREF(args);
            if (!owned_instance)
                goto bad;
            value = owned_instance;
            if (!PyExceptionInstance_Check(value)) {
                PyErr_Format(PyExc_TypeError,
                             "calling %R should have returned an instance of "
                             "BaseException, not %R",
                             type, Py_TYPE(value));
                goto bad;
            }
        }
    } else {
        PyErr_SetString(PyExc_TypeError,
            "raise: exception class must be a subclass of BaseException");
        goto bad;
    }
#if PY_VERSION_HEX >= 0x03030000
    if (cause) {
#else
    if (cause && cause != Py_None) {
#endif
        PyObject *fixed_cause;
        if (cause == Py_None) {
            fixed_cause = NULL;
        } else if (PyExceptionClass_Check(cause)) {
            fixed_cause = PyObject_CallObject(cause, NULL);
            if (fixed_cause == NULL)
                goto bad;
        } else if (PyExceptionInstance_Check(cause)) {
            fixed_cause = cause;
            Py_INCREF(fixed_cause);
        } else {
            PyErr_SetString(PyExc_TypeError,
                            "exception causes must derive from "
                            "BaseException");
            goto bad;
        }
        PyException_SetCause(value, fixed_cause);
    }
    PyErr_SetObject(type, value);
    if (tb) {
#if CYTHON_COMPILING_IN_PYPY
        PyObject *tmp_type, *tmp_value, *tmp_tb;
        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
        Py_INCREF(tb);
        PyErr_Restore(tmp_type, tmp_value, tb);
        Py_XDECREF(tmp_tb);
#else
        PyThreadState *tstate = PyThreadState_GET();
        PyObject* tmp_tb = tstate->curexc_traceback;
        if (tb != tmp_tb) {
            Py_INCREF(tb);
            tstate->curexc_traceback = tb;
            Py_XDECREF(tmp_tb);
        }
#endif
    }
bad:
    Py_XDECREF(owned_instance);
    return;
}
#endif

static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename,
                                  int full_traceback, CYTHON_UNUSED int nogil) {
    PyObject *old_exc, *old_val, *old_tb;
    PyObject *ctx;
#ifdef WITH_THREAD
    PyGILState_STATE state;
    if (nogil)
        state = PyGILState_Ensure();
#endif
    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
    if (full_traceback) {
        Py_XINCREF(old_exc);
        Py_XINCREF(old_val);
        Py_XINCREF(old_tb);
        __Pyx_ErrRestore(old_exc, old_val, old_tb);
        PyErr_PrintEx(1);
    }
    #if PY_MAJOR_VERSION < 3
    ctx = PyString_FromString(name);
    #else
    ctx = PyUnicode_FromString(name);
    #endif
    __Pyx_ErrRestore(old_exc, old_val, old_tb);
    if (!ctx) {
        PyErr_WriteUnraisable(Py_None);
    } else {
        PyErr_WriteUnraisable(ctx);
        Py_DECREF(ctx);
    }
#ifdef WITH_THREAD
    if (nogil)
        PyGILState_Release(state);
#endif
}

#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
    PyObject *self, *result;
    PyCFunction cfunc;
    cfunc = PyCFunction_GET_FUNCTION(func);
    self = PyCFunction_GET_SELF(func);
    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
        return NULL;
    result = cfunc(self, arg);
    Py_LeaveRecursiveCall();
    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
        PyErr_SetString(
            PyExc_SystemError,
            "NULL result without error in PyObject_Call");
    }
    return result;
}
#endif

#if CYTHON_COMPILING_IN_CPYTHON
static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
    PyObject *result;
    PyObject *args = PyTuple_New(1);
    if (unlikely(!args)) return NULL;
    Py_INCREF(arg);
    PyTuple_SET_ITEM(args, 0, arg);
    result = __Pyx_PyObject_Call(func, args, NULL);
    Py_DECREF(args);
    return result;
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
#ifdef __Pyx_CyFunction_USED
    if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
#else
    if (likely(PyCFunction_Check(func))) {
#endif
        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
            return __Pyx_PyObject_CallMethO(func, arg);
        }
    }
    return __Pyx__PyObject_CallOneArg(func, arg);
}
#else
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
    PyObject* args = PyTuple_Pack(1, arg);
    return (likely(args)) ? __Pyx_PyObject_Call(func, args, NULL) : NULL;
}
#endif

#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
#ifdef __Pyx_CyFunction_USED
    if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
#else
    if (likely(PyCFunction_Check(func))) {
#endif
        if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
            return __Pyx_PyObject_CallMethO(func, NULL);
        }
    }
    return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
}
#endif

static void __Pyx_RaiseBufferIndexError(int axis) {
  PyErr_Format(PyExc_IndexError,
     "Out of bounds on buffer access (axis %d)", axis);
}

static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
    PyErr_Format(PyExc_ValueError,
                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
}

static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
    PyErr_Format(PyExc_ValueError,
                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
                 index, (index == 1) ? "" : "s");
}

static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
}

static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
    PyObject *empty_list = 0;
    PyObject *module = 0;
    PyObject *global_dict = 0;
    PyObject *empty_dict = 0;
    PyObject *list;
    #if PY_VERSION_HEX < 0x03030000
    PyObject *py_import;
    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
    if (!py_import)
        goto bad;
    #endif
    if (from_list)
        list = from_list;
    else {
        empty_list = PyList_New(0);
        if (!empty_list)
            goto bad;
        list = empty_list;
    }
    global_dict = PyModule_GetDict(__pyx_m);
    if (!global_dict)
        goto bad;
    empty_dict = PyDict_New();
    if (!empty_dict)
        goto bad;
    {
        #if PY_MAJOR_VERSION >= 3
        if (level == -1) {
            if (strchr(__Pyx_MODULE_NAME, '.')) {
                #if PY_VERSION_HEX < 0x03030000
                PyObject *py_level = PyInt_FromLong(1);
                if (!py_level)
                    goto bad;
                module = PyObject_CallFunctionObjArgs(py_import,
                    name, global_dict, empty_dict, list, py_level, NULL);
                Py_DECREF(py_level);
                #else
                module = PyImport_ImportModuleLevelObject(
                    name, global_dict, empty_dict, list, 1);
                #endif
                if (!module) {
                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
                        goto bad;
                    PyErr_Clear();
                }
            }
            level = 0;
        }
        #endif
        if (!module) {
            #if PY_VERSION_HEX < 0x03030000
            PyObject *py_level = PyInt_FromLong(level);
            if (!py_level)
                goto bad;
            module = PyObject_CallFunctionObjArgs(py_import,
                name, global_dict, empty_dict, list, py_level, NULL);
            Py_DECREF(py_level);
            #else
            module = PyImport_ImportModuleLevelObject(
                name, global_dict, empty_dict, list, level);
            #endif
        }
    }
bad:
    #if PY_VERSION_HEX < 0x03030000
    Py_XDECREF(py_import);
    #endif
    Py_XDECREF(empty_list);
    Py_XDECREF(empty_dict);
    return module;
}

static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
        PyErr_Format(PyExc_ImportError,
        #if PY_MAJOR_VERSION < 3
            "cannot import name %.230s", PyString_AS_STRING(name));
        #else
            "cannot import name %S", name);
        #endif
    }
    return value;
}

static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
    int start = 0, mid = 0, end = count - 1;
    if (end >= 0 && code_line > entries[end].code_line) {
        return count;
    }
    while (start < end) {
        mid = start + (end - start) / 2;
        if (code_line < entries[mid].code_line) {
            end = mid;
        } else if (code_line > entries[mid].code_line) {
             start = mid + 1;
        } else {
            return mid;
        }
    }
    if (code_line <= entries[mid].code_line) {
        return mid;
    } else {
        return mid + 1;
    }
}
static PyCodeObject *__pyx_find_code_object(int code_line) {
    PyCodeObject* code_object;
    int pos;
    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
        return NULL;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
        return NULL;
    }
    code_object = __pyx_code_cache.entries[pos].code_object;
    Py_INCREF(code_object);
    return code_object;
}
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
    int pos, i;
    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
    if (unlikely(!code_line)) {
        return;
    }
    if (unlikely(!entries)) {
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
        if (likely(entries)) {
            __pyx_code_cache.entries = entries;
            __pyx_code_cache.max_count = 64;
            __pyx_code_cache.count = 1;
            entries[0].code_line = code_line;
            entries[0].code_object = code_object;
            Py_INCREF(code_object);
        }
        return;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
        PyCodeObject* tmp = entries[pos].code_object;
        entries[pos].code_object = code_object;
        Py_DECREF(tmp);
        return;
    }
    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
        int new_max = __pyx_code_cache.max_count + 64;
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
            __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
        if (unlikely(!entries)) {
            return;
        }
        __pyx_code_cache.entries = entries;
        __pyx_code_cache.max_count = new_max;
    }
    for (i=__pyx_code_cache.count; i>pos; i--) {
        entries[i] = entries[i-1];
    }
    entries[pos].code_line = code_line;
    entries[pos].code_object = code_object;
    __pyx_code_cache.count++;
    Py_INCREF(code_object);
}

#include "compile.h"
#include "frameobject.h"
#include "traceback.h"
static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
            const char *funcname, int c_line,
            int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(filename);
    #else
    py_srcfile = PyUnicode_FromString(filename);
    #endif
    if (!py_srcfile) goto bad;
    if (c_line) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #endif
    }
    else {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromString(funcname);
        #else
        py_funcname = PyUnicode_FromString(funcname);
        #endif
    }
    if (!py_funcname) goto bad;
    py_code = __Pyx_PyCode_New(
        0,
        0,
        0,
        0,
        0,
        __pyx_empty_bytes, /*PyObject *code,*/
        __pyx_empty_tuple, /*PyObject *consts,*/
        __pyx_empty_tuple, /*PyObject *names,*/
        __pyx_empty_tuple, /*PyObject *varnames,*/
        __pyx_empty_tuple, /*PyObject *freevars,*/
        __pyx_empty_tuple, /*PyObject *cellvars,*/
        py_srcfile,   /*PyObject *filename,*/
        py_funcname,  /*PyObject *name,*/
        py_line,
        __pyx_empty_bytes  /*PyObject *lnotab*/
    );
    Py_DECREF(py_srcfile);
    Py_DECREF(py_funcname);
    return py_code;
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    return NULL;
}
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;
    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
    if (!py_code) {
        py_code = __Pyx_CreateCodeObjectForTraceback(
            funcname, c_line, py_line, filename);
        if (!py_code) goto bad;
        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
    }
    py_frame = PyFrame_New(
        PyThreadState_GET(), /*PyThreadState *tstate,*/
        py_code,             /*PyCodeObject *code,*/
        __pyx_d,      /*PyObject *globals,*/
        0                    /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    py_frame->f_lineno = py_line;
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

#if PY_MAJOR_VERSION < 3
static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
    if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pw_5numpy_7ndarray_1__getbuffer__(obj, view, flags);
    PyErr_Format(PyExc_TypeError, "'%.200s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
    return -1;
}
static void __Pyx_ReleaseBuffer(Py_buffer *view) {
    PyObject *obj = view->obj;
    if (!obj) return;
    if (PyObject_CheckBuffer(obj)) {
        PyBuffer_Release(view);
        return;
    }
        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) { __pyx_pw_5numpy_7ndarray_3__releasebuffer__(obj, view); return; }
    Py_DECREF(obj);
    view->obj = NULL;
}
#endif


          #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
    {\
        func_type value = func_value;\
        if (sizeof(target_type) < sizeof(func_type)) {\
            if (unlikely(value != (func_type) (target_type) value)) {\
                func_type zero = 0;\
                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
                    return (target_type) -1;\
                if (is_unsigned && unlikely(value < zero))\
                    goto raise_neg_overflow;\
                else\
                    goto raise_overflow;\
            }\
        }\
        return (target_type) value;\
    }

#if CYTHON_USE_PYLONG_INTERNALS
  #include "longintrepr.h"
#endif

static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
    const int neg_one = (int) -1, const_zero = (int) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(int) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (int) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (int) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(int) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, -(sdigit) digits[0])
                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) -(((((int)digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) -(((((((int)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) -(((((((((int)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(int) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            int val;
            PyObject *v = __Pyx_PyNumber_Int(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (int) -1;
        }
    } else {
        int val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (int) -1;
        val = __Pyx_PyInt_As_int(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to int");
    return (int) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to int");
    return (int) -1;
}

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
    const int neg_one = (int) -1, const_zero = (int) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(int) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(int) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(int),
                                     little, !is_unsigned);
    }
}

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_Py_intptr_t(Py_intptr_t value) {
    const Py_intptr_t neg_one = (Py_intptr_t) -1, const_zero = (Py_intptr_t) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(Py_intptr_t) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(Py_intptr_t) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(Py_intptr_t) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(Py_intptr_t) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(Py_intptr_t) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(Py_intptr_t),
                                     little, !is_unsigned);
    }
}

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
    const long neg_one = (long) -1, const_zero = (long) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(long) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(long) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(long),
                                     little, !is_unsigned);
    }
}

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_npy_int64(npy_int64 value) {
    const npy_int64 neg_one = (npy_int64) -1, const_zero = (npy_int64) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(npy_int64) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(npy_int64) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(npy_int64) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(npy_int64) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(npy_int64) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(npy_int64),
                                     little, !is_unsigned);
    }
}

static CYTHON_INLINE __pyx_t_5numpy_int64_t __Pyx_pow___pyx_t_5numpy_int64_t(__pyx_t_5numpy_int64_t b, __pyx_t_5numpy_int64_t e) {
    __pyx_t_5numpy_int64_t t = b;
    switch (e) {
        case 3:
            t *= b;
        case 2:
            t *= b;
        case 1:
            return t;
        case 0:
            return 1;
    }
    #if 1
    if (unlikely(e<0)) return 0;
    #endif
    t = 1;
    while (likely(e)) {
        t *= (b * (e&1)) | ((~e)&1);
        b *= b;
        e >>= 1;
    }
    return t;
}

static CYTHON_INLINE npy_int64 __Pyx_PyInt_As_npy_int64(PyObject *x) {
    const npy_int64 neg_one = (npy_int64) -1, const_zero = (npy_int64) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(npy_int64) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(npy_int64, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (npy_int64) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (npy_int64) 0;
                case  1: __PYX_VERIFY_RETURN_INT(npy_int64, digit, digits[0])
                case 2:
                    if (8 * sizeof(npy_int64) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(npy_int64, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(npy_int64) >= 2 * PyLong_SHIFT) {
                            return (npy_int64) (((((npy_int64)digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(npy_int64) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(npy_int64, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(npy_int64) >= 3 * PyLong_SHIFT) {
                            return (npy_int64) (((((((npy_int64)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(npy_int64) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(npy_int64, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(npy_int64) >= 4 * PyLong_SHIFT) {
                            return (npy_int64) (((((((((npy_int64)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (npy_int64) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(npy_int64) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(npy_int64, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(npy_int64) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(npy_int64, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (npy_int64) 0;
                case -1: __PYX_VERIFY_RETURN_INT(npy_int64, sdigit, -(sdigit) digits[0])
                case  1: __PYX_VERIFY_RETURN_INT(npy_int64,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(npy_int64) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(npy_int64, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(npy_int64) - 1 > 2 * PyLong_SHIFT) {
                            return (npy_int64) -(((((npy_int64)digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(npy_int64) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(npy_int64, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(npy_int64) - 1 > 2 * PyLong_SHIFT) {
                            return (npy_int64) (((((npy_int64)digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(npy_int64) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(npy_int64, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(npy_int64) - 1 > 3 * PyLong_SHIFT) {
                            return (npy_int64) -(((((((npy_int64)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(npy_int64) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(npy_int64, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(npy_int64) - 1 > 3 * PyLong_SHIFT) {
                            return (npy_int64) (((((((npy_int64)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(npy_int64) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(npy_int64, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(npy_int64) - 1 > 4 * PyLong_SHIFT) {
                            return (npy_int64) -(((((((((npy_int64)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(npy_int64) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(npy_int64, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(npy_int64) - 1 > 4 * PyLong_SHIFT) {
                            return (npy_int64) (((((((((npy_int64)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(npy_int64) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(npy_int64, long, PyLong_AsLong(x))
            } else if (sizeof(npy_int64) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(npy_int64, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            npy_int64 val;
            PyObject *v = __Pyx_PyNumber_Int(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (npy_int64) -1;
        }
    } else {
        npy_int64 val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (npy_int64) -1;
        val = __Pyx_PyInt_As_npy_int64(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to npy_int64");
    return (npy_int64) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to npy_int64");
    return (npy_int64) -1;
}

#if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION < 3
static PyObject *__Pyx_GetStdout(void) {
    PyObject *f = PySys_GetObject((char *)"stdout");
    if (!f) {
        PyErr_SetString(PyExc_RuntimeError, "lost sys.stdout");
    }
    return f;
}
static int __Pyx_Print(PyObject* f, PyObject *arg_tuple, int newline) {
    int i;
    if (!f) {
        if (!(f = __Pyx_GetStdout()))
            return -1;
    }
    Py_INCREF(f);
    for (i=0; i < PyTuple_GET_SIZE(arg_tuple); i++) {
        PyObject* v;
        if (PyFile_SoftSpace(f, 1)) {
            if (PyFile_WriteString(" ", f) < 0)
                goto error;
        }
        v = PyTuple_GET_ITEM(arg_tuple, i);
        if (PyFile_WriteObject(v, f, Py_PRINT_RAW) < 0)
            goto error;
        if (PyString_Check(v)) {
            char *s = PyString_AsString(v);
            Py_ssize_t len = PyString_Size(v);
            if (len > 0) {
                switch (s[len-1]) {
                    case ' ': break;
                    case '\f': case '\r': case '\n': case '\t': case '\v':
                        PyFile_SoftSpace(f, 0);
                        break;
                    default:  break;
                }
            }
        }
    }
    if (newline) {
        if (PyFile_WriteString("\n", f) < 0)
            goto error;
        PyFile_SoftSpace(f, 0);
    }
    Py_DECREF(f);
    return 0;
error:
    Py_DECREF(f);
    return -1;
}
#else
static int __Pyx_Print(PyObject* stream, PyObject *arg_tuple, int newline) {
    PyObject* kwargs = 0;
    PyObject* result = 0;
    PyObject* end_string;
    if (unlikely(!__pyx_print)) {
        __pyx_print = PyObject_GetAttr(__pyx_b, __pyx_n_s_print);
        if (!__pyx_print)
            return -1;
    }
    if (stream) {
        kwargs = PyDict_New();
        if (unlikely(!kwargs))
            return -1;
        if (unlikely(PyDict_SetItem(kwargs, __pyx_n_s_file, stream) < 0))
            goto bad;
        if (!newline) {
            end_string = PyUnicode_FromStringAndSize(" ", 1);
            if (unlikely(!end_string))
                goto bad;
            if (PyDict_SetItem(kwargs, __pyx_n_s_end, end_string) < 0) {
                Py_DECREF(end_string);
                goto bad;
            }
            Py_DECREF(end_string);
        }
    } else if (!newline) {
        if (unlikely(!__pyx_print_kwargs)) {
            __pyx_print_kwargs = PyDict_New();
            if (unlikely(!__pyx_print_kwargs))
                return -1;
            end_string = PyUnicode_FromStringAndSize(" ", 1);
            if (unlikely(!end_string))
                return -1;
            if (PyDict_SetItem(__pyx_print_kwargs, __pyx_n_s_end, end_string) < 0) {
                Py_DECREF(end_string);
                return -1;
            }
            Py_DECREF(end_string);
        }
        kwargs = __pyx_print_kwargs;
    }
    result = PyObject_Call(__pyx_print, arg_tuple, kwargs);
    if (unlikely(kwargs) && (kwargs != __pyx_print_kwargs))
        Py_DECREF(kwargs);
    if (!result)
        return -1;
    Py_DECREF(result);
    return 0;
bad:
    if (kwargs != __pyx_print_kwargs)
        Py_XDECREF(kwargs);
    return -1;
}
#endif

static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
    const long neg_one = (long) -1, const_zero = (long) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(long) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (long) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (long) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(long) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, -(sdigit) digits[0])
                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) -(((((long)digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) -(((((((long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) -(((((((((long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(long) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            long val;
            PyObject *v = __Pyx_PyNumber_Int(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (long) -1;
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (long) -1;
        val = __Pyx_PyInt_As_long(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to long");
    return (long) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to long");
    return (long) -1;
}

#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
      return ::std::complex< float >(x, y);
    }
  #else
    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
      return x + y*(__pyx_t_float_complex)_Complex_I;
    }
  #endif
#else
    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
      __pyx_t_float_complex z;
      z.real = x;
      z.imag = y;
      return z;
    }
#endif

#if CYTHON_CCOMPLEX
#else
    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
       return (a.real == b.real) && (a.imag == b.imag);
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        z.real = a.real + b.real;
        z.imag = a.imag + b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        z.real = a.real - b.real;
        z.imag = a.imag - b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        z.real = a.real * b.real - a.imag * b.imag;
        z.imag = a.real * b.imag + a.imag * b.real;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        float denom = b.real * b.real + b.imag * b.imag;
        z.real = (a.real * b.real + a.imag * b.imag) / denom;
        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex a) {
        __pyx_t_float_complex z;
        z.real = -a.real;
        z.imag = -a.imag;
        return z;
    }
    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex a) {
       return (a.real == 0) && (a.imag == 0);
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex a) {
        __pyx_t_float_complex z;
        z.real =  a.real;
        z.imag = -a.imag;
        return z;
    }
    #if 1
        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex z) {
          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
            return sqrtf(z.real*z.real + z.imag*z.imag);
          #else
            return hypotf(z.real, z.imag);
          #endif
        }
        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
            __pyx_t_float_complex z;
            float r, lnr, theta, z_r, z_theta;
            if (b.imag == 0 && b.real == (int)b.real) {
                if (b.real < 0) {
                    float denom = a.real * a.real + a.imag * a.imag;
                    a.real = a.real / denom;
                    a.imag = -a.imag / denom;
                    b.real = -b.real;
                }
                switch ((int)b.real) {
                    case 0:
                        z.real = 1;
                        z.imag = 0;
                        return z;
                    case 1:
                        return a;
                    case 2:
                        z = __Pyx_c_prodf(a, a);
                        return __Pyx_c_prodf(a, a);
                    case 3:
                        z = __Pyx_c_prodf(a, a);
                        return __Pyx_c_prodf(z, a);
                    case 4:
                        z = __Pyx_c_prodf(a, a);
                        return __Pyx_c_prodf(z, z);
                }
            }
            if (a.imag == 0) {
                if (a.real == 0) {
                    return a;
                }
                r = a.real;
                theta = 0;
            } else {
                r = __Pyx_c_absf(a);
                theta = atan2f(a.imag, a.real);
            }
            lnr = logf(r);
            z_r = expf(lnr * b.real - theta * b.imag);
            z_theta = theta * b.real + lnr * b.imag;
            z.real = z_r * cosf(z_theta);
            z.imag = z_r * sinf(z_theta);
            return z;
        }
    #endif
#endif

#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
      return ::std::complex< double >(x, y);
    }
  #else
    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
      return x + y*(__pyx_t_double_complex)_Complex_I;
    }
  #endif
#else
    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
      __pyx_t_double_complex z;
      z.real = x;
      z.imag = y;
      return z;
    }
#endif

#if CYTHON_CCOMPLEX
#else
    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex a, __pyx_t_double_complex b) {
       return (a.real == b.real) && (a.imag == b.imag);
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        z.real = a.real + b.real;
        z.imag = a.imag + b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        z.real = a.real - b.real;
        z.imag = a.imag - b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        z.real = a.real * b.real - a.imag * b.imag;
        z.imag = a.real * b.imag + a.imag * b.real;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        double denom = b.real * b.real + b.imag * b.imag;
        z.real = (a.real * b.real + a.imag * b.imag) / denom;
        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex a) {
        __pyx_t_double_complex z;
        z.real = -a.real;
        z.imag = -a.imag;
        return z;
    }
    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex a) {
       return (a.real == 0) && (a.imag == 0);
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex a) {
        __pyx_t_double_complex z;
        z.real =  a.real;
        z.imag = -a.imag;
        return z;
    }
    #if 1
        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex z) {
          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
            return sqrt(z.real*z.real + z.imag*z.imag);
          #else
            return hypot(z.real, z.imag);
          #endif
        }
        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex a, __pyx_t_double_complex b) {
            __pyx_t_double_complex z;
            double r, lnr, theta, z_r, z_theta;
            if (b.imag == 0 && b.real == (int)b.real) {
                if (b.real < 0) {
                    double denom = a.real * a.real + a.imag * a.imag;
                    a.real = a.real / denom;
                    a.imag = -a.imag / denom;
                    b.real = -b.real;
                }
                switch ((int)b.real) {
                    case 0:
                        z.real = 1;
                        z.imag = 0;
                        return z;
                    case 1:
                        return a;
                    case 2:
                        z = __Pyx_c_prod(a, a);
                        return __Pyx_c_prod(a, a);
                    case 3:
                        z = __Pyx_c_prod(a, a);
                        return __Pyx_c_prod(z, a);
                    case 4:
                        z = __Pyx_c_prod(a, a);
                        return __Pyx_c_prod(z, z);
                }
            }
            if (a.imag == 0) {
                if (a.real == 0) {
                    return a;
                }
                r = a.real;
                theta = 0;
            } else {
                r = __Pyx_c_abs(a);
                theta = atan2(a.imag, a.real);
            }
            lnr = log(r);
            z_r = exp(lnr * b.real - theta * b.imag);
            z_theta = theta * b.real + lnr * b.imag;
            z.real = z_r * cos(z_theta);
            z.imag = z_r * sin(z_theta);
            return z;
        }
    #endif
#endif

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum__NPY_TYPES(enum NPY_TYPES value) {
    const enum NPY_TYPES neg_one = (enum NPY_TYPES) -1, const_zero = (enum NPY_TYPES) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(enum NPY_TYPES) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(enum NPY_TYPES) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(enum NPY_TYPES) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(enum NPY_TYPES) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(enum NPY_TYPES) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(enum NPY_TYPES),
                                     little, !is_unsigned);
    }
}

static int __Pyx_check_binary_version(void) {
    char ctversion[4], rtversion[4];
    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
        char message[200];
        PyOS_snprintf(message, sizeof(message),
                      "compiletime version %s of module '%.100s' "
                      "does not match runtime version %s",
                      ctversion, __Pyx_MODULE_NAME, rtversion);
        return PyErr_WarnEx(NULL, message, 1);
    }
    return 0;
}

#ifndef __PYX_HAVE_RT_ImportModule
#define __PYX_HAVE_RT_ImportModule
static PyObject *__Pyx_ImportModule(const char *name) {
    PyObject *py_name = 0;
    PyObject *py_module = 0;
    py_name = __Pyx_PyIdentifier_FromString(name);
    if (!py_name)
        goto bad;
    py_module = PyImport_Import(py_name);
    Py_DECREF(py_name);
    return py_module;
bad:
    Py_XDECREF(py_name);
    return 0;
}
#endif

#ifndef __PYX_HAVE_RT_ImportType
#define __PYX_HAVE_RT_ImportType
static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
    size_t size, int strict)
{
    PyObject *py_module = 0;
    PyObject *result = 0;
    PyObject *py_name = 0;
    char warning[200];
    Py_ssize_t basicsize;
#ifdef Py_LIMITED_API
    PyObject *py_basicsize;
#endif
    py_module = __Pyx_ImportModule(module_name);
    if (!py_module)
        goto bad;
    py_name = __Pyx_PyIdentifier_FromString(class_name);
    if (!py_name)
        goto bad;
    result = PyObject_GetAttr(py_module, py_name);
    Py_DECREF(py_name);
    py_name = 0;
    Py_DECREF(py_module);
    py_module = 0;
    if (!result)
        goto bad;
    if (!PyType_Check(result)) {
        PyErr_Format(PyExc_TypeError,
            "%.200s.%.200s is not a type object",
            module_name, class_name);
        goto bad;
    }
#ifndef Py_LIMITED_API
    basicsize = ((PyTypeObject *)result)->tp_basicsize;
#else
    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
    if (!py_basicsize)
        goto bad;
    basicsize = PyLong_AsSsize_t(py_basicsize);
    Py_DECREF(py_basicsize);
    py_basicsize = 0;
    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
        goto bad;
#endif
    if (!strict && (size_t)basicsize > size) {
        PyOS_snprintf(warning, sizeof(warning),
            "%s.%s size changed, may indicate binary incompatibility",
            module_name, class_name);
        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
    }
    else if ((size_t)basicsize != size) {
        PyErr_Format(PyExc_ValueError,
            "%.200s.%.200s has the wrong size, try recompiling",
            module_name, class_name);
        goto bad;
    }
    return (PyTypeObject *)result;
bad:
    Py_XDECREF(py_module);
    Py_XDECREF(result);
    return NULL;
}
#endif

static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
    while (t->p) {
        #if PY_MAJOR_VERSION < 3
        if (t->is_unicode) {
            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
        } else if (t->intern) {
            *t->p = PyString_InternFromString(t->s);
        } else {
            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
        }
        #else
        if (t->is_unicode | t->is_str) {
            if (t->intern) {
                *t->p = PyUnicode_InternFromString(t->s);
            } else if (t->encoding) {
                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
            } else {
                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
            }
        } else {
            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
        }
        #endif
        if (!*t->p)
            return -1;
        ++t;
    }
    return 0;
}

static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
}
static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
    Py_ssize_t ignore;
    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
}
static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
#if CYTHON_COMPILING_IN_CPYTHON && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
    if (
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
            __Pyx_sys_getdefaultencoding_not_ascii &&
#endif
            PyUnicode_Check(o)) {
#if PY_VERSION_HEX < 0x03030000
        char* defenc_c;
        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
        if (!defenc) return NULL;
        defenc_c = PyBytes_AS_STRING(defenc);
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
        {
            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
            char* c;
            for (c = defenc_c; c < end; c++) {
                if ((unsigned char) (*c) >= 128) {
                    PyUnicode_AsASCIIString(o);
                    return NULL;
                }
            }
        }
#endif
        *length = PyBytes_GET_SIZE(defenc);
        return defenc_c;
#else
        if (__Pyx_PyUnicode_READY(o) == -1) return NULL;
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
        if (PyUnicode_IS_ASCII(o)) {
            *length = PyUnicode_GET_LENGTH(o);
            return PyUnicode_AsUTF8(o);
        } else {
            PyUnicode_AsASCIIString(o);
            return NULL;
        }
#else
        return PyUnicode_AsUTF8AndSize(o, length);
#endif
#endif
    } else
#endif
#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
    if (PyByteArray_Check(o)) {
        *length = PyByteArray_GET_SIZE(o);
        return PyByteArray_AS_STRING(o);
    } else
#endif
    {
        char* result;
        int r = PyBytes_AsStringAndSize(o, &result, length);
        if (unlikely(r < 0)) {
            return NULL;
        } else {
            return result;
        }
    }
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
   int is_true = x == Py_True;
   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
   else return PyObject_IsTrue(x);
}
static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
  PyNumberMethods *m;
  const char *name = NULL;
  PyObject *res = NULL;
#if PY_MAJOR_VERSION < 3
  if (PyInt_Check(x) || PyLong_Check(x))
#else
  if (PyLong_Check(x))
#endif
    return __Pyx_NewRef(x);
  m = Py_TYPE(x)->tp_as_number;
#if PY_MAJOR_VERSION < 3
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Int(x);
  }
  else if (m && m->nb_long) {
    name = "long";
    res = PyNumber_Long(x);
  }
#else
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Long(x);
  }
#endif
  if (res) {
#if PY_MAJOR_VERSION < 3
    if (!PyInt_Check(res) && !PyLong_Check(res)) {
#else
    if (!PyLong_Check(res)) {
#endif
      PyErr_Format(PyExc_TypeError,
                   "__%.4s__ returned non-%.4s (type %.200s)",
                   name, name, Py_TYPE(res)->tp_name);
      Py_DECREF(res);
      return NULL;
    }
  }
  else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_TypeError,
                    "an integer is required");
  }
  return res;
}
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
  Py_ssize_t ival;
  PyObject *x;
#if PY_MAJOR_VERSION < 3
  if (likely(PyInt_CheckExact(b))) {
    if (sizeof(Py_ssize_t) >= sizeof(long))
        return PyInt_AS_LONG(b);
    else
        return PyInt_AsSsize_t(x);
  }
#endif
  if (likely(PyLong_CheckExact(b))) {
    #if CYTHON_USE_PYLONG_INTERNALS
    const digit* digits = ((PyLongObject*)b)->ob_digit;
    const Py_ssize_t size = Py_SIZE(b);
    if (likely(__Pyx_sst_abs(size) <= 1)) {
        ival = likely(size) ? digits[0] : 0;
        if (size == -1) ival = -ival;
        return ival;
    } else {
      switch (size) {
         case 2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | digits[0]));
           }
           break;
         case -2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | digits[0]));
           }
           break;
         case 3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
           }
           break;
         case -3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
           }
           break;
         case 4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
           }
           break;
         case -4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | digits[2]) << PyLong_SHIFT) | digits[1]) << PyLong_SHIFT) | digits[0]));
           }
           break;
      }
    }
    #endif
    return PyLong_AsSsize_t(b);
  }
  x = PyNumber_Index(b);
  if (!x) return -1;
  ival = PyInt_AsSsize_t(x);
  Py_DECREF(x);
  return ival;
}
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
    return PyInt_FromSize_t(ival);
}


#endif /* Py_PYTHON_H */
