/* Generated by Cython 0.15 on Tue Nov  1 18:19:34 2011 */

#define PY_SSIZE_T_CLEAN
#include "Python.h"
#ifndef Py_PYTHON_H
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  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
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  #define PyBytes_DecodeEscape         PyString_DecodeEscape
  #define PyBytes_AsString             PyString_AsString
  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
  #define PyBytes_Size                 PyString_Size
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  #define PyBytes_GET_SIZE             PyString_GET_SIZE
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#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)

#if PY_MAJOR_VERSION >= 3
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  #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
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#if PY_MAJOR_VERSION >= 3
  #define PyBoolObject                 PyLongObject
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  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
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  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
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#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)
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  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
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  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
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  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
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#if PY_MAJOR_VERSION >= 3
  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
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#if PY_VERSION_HEX < 0x02050000
  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
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  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
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#if PY_VERSION_HEX < 0x02050000
  #define __Pyx_NAMESTR(n) ((char *)(n))
  #define __Pyx_DOCSTR(n)  ((char *)(n))
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  #define __Pyx_NAMESTR(n) (n)
  #define __Pyx_DOCSTR(n)  (n)
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#ifndef __PYX_EXTERN_C
  #ifdef __cplusplus
    #define __PYX_EXTERN_C extern "C"
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    #define __PYX_EXTERN_C extern
  #endif
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#if defined(WIN32) || defined(MS_WINDOWS)
#define _USE_MATH_DEFINES
#endif
#include <math.h>
#define __PYX_HAVE__scipy__spatial__ckdtree
#define __PYX_HAVE_API__scipy__spatial__ckdtree
#include "stdio.h"
#include "stdlib.h"
#include "numpy/arrayobject.h"
#include "numpy/ufuncobject.h"
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */

#ifdef PYREX_WITHOUT_ASSERTIONS
#define CYTHON_WITHOUT_ASSERTIONS
#endif


/* inline attribute */
#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

/* unused attribute */
#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

typedef struct {PyObject **p; char *s; const long n; const char* encoding; const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/


/* Type Conversion Predeclarations */

#define __Pyx_PyBytes_FromUString(s) PyBytes_FromString((char*)s)
#define __Pyx_PyBytes_AsUString(s)   ((unsigned char*) PyBytes_AsString(s))

#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), 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);
static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);

#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))


#ifdef __GNUC__
  /* Test for GCC > 2.95 */
  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
    #define likely(x)   __builtin_expect(!!(x), 1)
    #define unlikely(x) __builtin_expect(!!(x), 0)
  #else /* __GNUC__ > 2 ... */
    #define likely(x)   (x)
    #define unlikely(x) (x)
  #endif /* __GNUC__ > 2 ... */
#else /* __GNUC__ */
  #define likely(x)   (x)
  #define unlikely(x) (x)
#endif /* __GNUC__ */
    
static PyObject *__pyx_m;
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[] = {
  "ckdtree.pyx",
  "numpy.pxd",
};

/* "numpy.pxd":719
 * # 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;

/* "numpy.pxd":720
 * 
 * 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;

/* "numpy.pxd":721
 * 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;

/* "numpy.pxd":722
 * 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;

/* "numpy.pxd":726
 * #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;

/* "numpy.pxd":727
 * 
 * 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;

/* "numpy.pxd":728
 * 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;

/* "numpy.pxd":729
 * 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;

/* "numpy.pxd":733
 * #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;

/* "numpy.pxd":734
 * 
 * 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;

/* "numpy.pxd":743
 * # 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;

/* "numpy.pxd":744
 * # 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;

/* "numpy.pxd":745
 * 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;

/* "numpy.pxd":747
 * 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;

/* "numpy.pxd":748
 * 
 * ctypedef npy_ulong      uint_t
 * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 */
typedef npy_ulonglong __pyx_t_5numpy_ulong_t;

/* "numpy.pxd":749
 * 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;

/* "numpy.pxd":751
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uintp      uintp_t
 * 
 */
typedef npy_intp __pyx_t_5numpy_intp_t;

/* "numpy.pxd":752
 * 
 * ctypedef npy_intp       intp_t
 * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_double     float_t
 */
typedef npy_uintp __pyx_t_5numpy_uintp_t;

/* "numpy.pxd":754
 * 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;

/* "numpy.pxd":755
 * 
 * ctypedef npy_double     float_t
 * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longdouble longdouble_t
 * 
 */
typedef npy_double __pyx_t_5numpy_double_t;

/* "numpy.pxd":756
 * 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 ---*/
struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree;

/* "numpy.pxd":758
 * 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;

/* "numpy.pxd":759
 * 
 * ctypedef npy_cfloat      cfloat_t
 * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
 * ctypedef npy_clongdouble clongdouble_t
 * 
 */
typedef npy_cdouble __pyx_t_5numpy_cdouble_t;

/* "numpy.pxd":760
 * 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;

/* "numpy.pxd":762
 * ctypedef npy_clongdouble clongdouble_t
 * 
 * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
 * 
 * cdef inline object PyArray_MultiIterNew1(a):
 */
typedef npy_cdouble __pyx_t_5numpy_complex_t;
union __pyx_t_5scipy_7spatial_7ckdtree_heapcontents;
struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem;
struct __pyx_t_5scipy_7spatial_7ckdtree_heap;
struct __pyx_t_5scipy_7spatial_7ckdtree_innernode;
struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode;
struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo;

/* "scipy/spatial/ckdtree.pyx":15
 * 
 * # priority queue
 * cdef union heapcontents:             # <<<<<<<<<<<<<<
 *     int intdata
 *     char* ptrdata
 */
union __pyx_t_5scipy_7spatial_7ckdtree_heapcontents {
  int intdata;
  char *ptrdata;
};

/* "scipy/spatial/ckdtree.pyx":19
 *     char* ptrdata
 * 
 * cdef struct heapitem:             # <<<<<<<<<<<<<<
 *     double priority
 *     heapcontents contents
 */
struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem {
  double priority;
  union __pyx_t_5scipy_7spatial_7ckdtree_heapcontents contents;
};

/* "scipy/spatial/ckdtree.pyx":23
 *     heapcontents contents
 * 
 * cdef struct heap:             # <<<<<<<<<<<<<<
 *     int n
 *     heapitem* heap
 */
struct __pyx_t_5scipy_7spatial_7ckdtree_heap {
  int n;
  struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem *heap;
  int space;
};

/* "scipy/spatial/ckdtree.pyx":139
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/* "scipy/spatial/ckdtree.pyx":232
 *         self.tree = self.__build(0, self.n, self.raw_maxes, self.raw_mins)
 * 
 *     cdef innernode* __build(cKDTree self, int start_idx, int end_idx, double* maxes, double* mins):             # <<<<<<<<<<<<<<
 *         cdef leafnode* n
 *         cdef innernode* ni
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static struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *__pyx_f_5scipy_7spatial_7ckdtree_7cKDTree___build(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, int __pyx_v_start_idx, int __pyx_v_end_idx, double *__pyx_v_maxes, double *__pyx_v_mins) {
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 *         cdef double size, split, minval, maxval
 *         cdef double*mids
 *         if end_idx-start_idx<=self.leafsize:             # <<<<<<<<<<<<<<
 *             n = <leafnode*>stdlib.malloc(sizeof(leafnode))
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 */
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 *         cdef double*mids
 *         if end_idx-start_idx<=self.leafsize:
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 *             n.split_dim = -1
 *             n.start_idx = start_idx
 */
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 *         if end_idx-start_idx<=self.leafsize:
 *             n = <leafnode*>stdlib.malloc(sizeof(leafnode))
 *             n.split_dim = -1             # <<<<<<<<<<<<<<
 *             n.start_idx = start_idx
 *             n.end_idx = end_idx
 */
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 *             n = <leafnode*>stdlib.malloc(sizeof(leafnode))
 *             n.split_dim = -1
 *             n.start_idx = start_idx             # <<<<<<<<<<<<<<
 *             n.end_idx = end_idx
 *             return <innernode*>n
 */
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 *             n.split_dim = -1
 *             n.start_idx = start_idx
 *             n.end_idx = end_idx             # <<<<<<<<<<<<<<
 *             return <innernode*>n
 *         else:
 */
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 *             n.start_idx = start_idx
 *             n.end_idx = end_idx
 *             return <innernode*>n             # <<<<<<<<<<<<<<
 *         else:
 *             d = 0
 */
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    goto __pyx_L3;
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    /* "scipy/spatial/ckdtree.pyx":245
 *             return <innernode*>n
 *         else:
 *             d = 0             # <<<<<<<<<<<<<<
 *             size = 0
 *             for i in range(self.m):
 */
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    /* "scipy/spatial/ckdtree.pyx":246
 *         else:
 *             d = 0
 *             size = 0             # <<<<<<<<<<<<<<
 *             for i in range(self.m):
 *                 if maxes[i]-mins[i] > size:
 */
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    /* "scipy/spatial/ckdtree.pyx":247
 *             d = 0
 *             size = 0
 *             for i in range(self.m):             # <<<<<<<<<<<<<<
 *                 if maxes[i]-mins[i] > size:
 *                     d = i
 */
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      /* "scipy/spatial/ckdtree.pyx":248
 *             size = 0
 *             for i in range(self.m):
 *                 if maxes[i]-mins[i] > size:             # <<<<<<<<<<<<<<
 *                     d = i
 *                     size =  maxes[i]-mins[i]
 */
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        /* "scipy/spatial/ckdtree.pyx":249
 *             for i in range(self.m):
 *                 if maxes[i]-mins[i] > size:
 *                     d = i             # <<<<<<<<<<<<<<
 *                     size =  maxes[i]-mins[i]
 *             maxval = maxes[d]
 */
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        /* "scipy/spatial/ckdtree.pyx":250
 *                 if maxes[i]-mins[i] > size:
 *                     d = i
 *                     size =  maxes[i]-mins[i]             # <<<<<<<<<<<<<<
 *             maxval = maxes[d]
 *             minval = mins[d]
 */
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    /* "scipy/spatial/ckdtree.pyx":251
 *                     d = i
 *                     size =  maxes[i]-mins[i]
 *             maxval = maxes[d]             # <<<<<<<<<<<<<<
 *             minval = mins[d]
 *             if maxval==minval:
 */
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    /* "scipy/spatial/ckdtree.pyx":252
 *                     size =  maxes[i]-mins[i]
 *             maxval = maxes[d]
 *             minval = mins[d]             # <<<<<<<<<<<<<<
 *             if maxval==minval:
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 */
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    /* "scipy/spatial/ckdtree.pyx":253
 *             maxval = maxes[d]
 *             minval = mins[d]
 *             if maxval==minval:             # <<<<<<<<<<<<<<
 *                 # all points are identical; warn user?
 *                 n = <leafnode*>stdlib.malloc(sizeof(leafnode))
 */
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      /* "scipy/spatial/ckdtree.pyx":255
 *             if maxval==minval:
 *                 # all points are identical; warn user?
 *                 n = <leafnode*>stdlib.malloc(sizeof(leafnode))             # <<<<<<<<<<<<<<
 *                 n.split_dim = -1
 *                 n.start_idx = start_idx
 */
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      /* "scipy/spatial/ckdtree.pyx":256
 *                 # all points are identical; warn user?
 *                 n = <leafnode*>stdlib.malloc(sizeof(leafnode))
 *                 n.split_dim = -1             # <<<<<<<<<<<<<<
 *                 n.start_idx = start_idx
 *                 n.end_idx = end_idx
 */
      __pyx_v_n->split_dim = -1;

      /* "scipy/spatial/ckdtree.pyx":257
 *                 n = <leafnode*>stdlib.malloc(sizeof(leafnode))
 *                 n.split_dim = -1
 *                 n.start_idx = start_idx             # <<<<<<<<<<<<<<
 *                 n.end_idx = end_idx
 *                 return <innernode*>n
 */
      __pyx_v_n->start_idx = __pyx_v_start_idx;

      /* "scipy/spatial/ckdtree.pyx":258
 *                 n.split_dim = -1
 *                 n.start_idx = start_idx
 *                 n.end_idx = end_idx             # <<<<<<<<<<<<<<
 *                 return <innernode*>n
 * 
 */
      __pyx_v_n->end_idx = __pyx_v_end_idx;

      /* "scipy/spatial/ckdtree.pyx":259
 *                 n.start_idx = start_idx
 *                 n.end_idx = end_idx
 *                 return <innernode*>n             # <<<<<<<<<<<<<<
 * 
 *             split = (maxval+minval)/2
 */
      __pyx_r = ((struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *)__pyx_v_n);
      goto __pyx_L0;
      goto __pyx_L7;
    }
    __pyx_L7:;

    /* "scipy/spatial/ckdtree.pyx":261
 *                 return <innernode*>n
 * 
 *             split = (maxval+minval)/2             # <<<<<<<<<<<<<<
 * 
 *             p = start_idx
 */
    __pyx_v_split = ((__pyx_v_maxval + __pyx_v_minval) / 2.0);

    /* "scipy/spatial/ckdtree.pyx":263
 *             split = (maxval+minval)/2
 * 
 *             p = start_idx             # <<<<<<<<<<<<<<
 *             q = end_idx-1
 *             while p<=q:
 */
    __pyx_v_p = __pyx_v_start_idx;

    /* "scipy/spatial/ckdtree.pyx":264
 * 
 *             p = start_idx
 *             q = end_idx-1             # <<<<<<<<<<<<<<
 *             while p<=q:
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:
 */
    __pyx_v_q = (__pyx_v_end_idx - 1);

    /* "scipy/spatial/ckdtree.pyx":265
 *             p = start_idx
 *             q = end_idx-1
 *             while p<=q:             # <<<<<<<<<<<<<<
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:
 *                     p+=1
 */
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      /* "scipy/spatial/ckdtree.pyx":266
 *             q = end_idx-1
 *             while p<=q:
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:             # <<<<<<<<<<<<<<
 *                     p+=1
 *                 elif self.raw_data[self.raw_indices[q]*self.m+d]>=split:
 */
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      if (__pyx_t_1) {

        /* "scipy/spatial/ckdtree.pyx":267
 *             while p<=q:
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:
 *                     p+=1             # <<<<<<<<<<<<<<
 *                 elif self.raw_data[self.raw_indices[q]*self.m+d]>=split:
 *                     q-=1
 */
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        goto __pyx_L10;
      }

      /* "scipy/spatial/ckdtree.pyx":268
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:
 *                     p+=1
 *                 elif self.raw_data[self.raw_indices[q]*self.m+d]>=split:             # <<<<<<<<<<<<<<
 *                     q-=1
 *                 else:
 */
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 *                     p+=1
 *                 elif self.raw_data[self.raw_indices[q]*self.m+d]>=split:
 *                     q-=1             # <<<<<<<<<<<<<<
 *                 else:
 *                     t = self.raw_indices[p]
 */
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 *                     q-=1
 *                 else:
 *                     t = self.raw_indices[p]             # <<<<<<<<<<<<<<
 *                     self.raw_indices[p] = self.raw_indices[q]
 *                     self.raw_indices[q] = t
 */
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 *                 else:
 *                     t = self.raw_indices[p]
 *                     self.raw_indices[p] = self.raw_indices[q]             # <<<<<<<<<<<<<<
 *                     self.raw_indices[q] = t
 *                     p+=1
 */
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 *                     t = self.raw_indices[p]
 *                     self.raw_indices[p] = self.raw_indices[q]
 *                     self.raw_indices[q] = t             # <<<<<<<<<<<<<<
 *                     p+=1
 *                     q-=1
 */
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 *                     self.raw_indices[p] = self.raw_indices[q]
 *                     self.raw_indices[q] = t
 *                     p+=1             # <<<<<<<<<<<<<<
 *                     q-=1
 * 
 */
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 *                     self.raw_indices[q] = t
 *                     p+=1
 *                     q-=1             # <<<<<<<<<<<<<<
 * 
 *             # slide midpoint if necessary
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 * 
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 *                 # no points less than split
 *                 j = start_idx
 */
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 *             if p==start_idx:
 *                 # no points less than split
 *                 j = start_idx             # <<<<<<<<<<<<<<
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 for i in range(start_idx+1, end_idx):
 */
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 *                 # no points less than split
 *                 j = start_idx
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]             # <<<<<<<<<<<<<<
 *                 for i in range(start_idx+1, end_idx):
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]<split:
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 *                 j = start_idx
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 for i in range(start_idx+1, end_idx):             # <<<<<<<<<<<<<<
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]<split:
 *                         j = i
 */
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 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 for i in range(start_idx+1, end_idx):
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 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]
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 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]             # <<<<<<<<<<<<<<
 *                 t = self.raw_indices[start_idx]
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 *                         j = i
 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 t = self.raw_indices[start_idx]             # <<<<<<<<<<<<<<
 *                 self.raw_indices[start_idx] = self.raw_indices[j]
 *                 self.raw_indices[j] = t
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 *                 t = self.raw_indices[start_idx]
 *                 self.raw_indices[start_idx] = self.raw_indices[j]             # <<<<<<<<<<<<<<
 *                 self.raw_indices[j] = t
 *                 p = start_idx+1
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 *                 t = self.raw_indices[start_idx]
 *                 self.raw_indices[start_idx] = self.raw_indices[j]
 *                 self.raw_indices[j] = t             # <<<<<<<<<<<<<<
 *                 p = start_idx+1
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 *         # set up first nodeinfo
 *         inf = <nodeinfo*>stdlib.malloc(sizeof(nodeinfo)+self.m*sizeof(double))
 *         inf.node = self.tree             # <<<<<<<<<<<<<<
 *         for i in range(self.m):
 *             inf.side_distances[i] = 0
 */
  __pyx_v_inf->node = __pyx_v_self->tree;

  /* "scipy/spatial/ckdtree.pyx":379
 *         inf = <nodeinfo*>stdlib.malloc(sizeof(nodeinfo)+self.m*sizeof(double))
 *         inf.node = self.tree
 *         for i in range(self.m):             # <<<<<<<<<<<<<<
 *             inf.side_distances[i] = 0
 *             t = x[i]-self.raw_maxes[i]
 */
  __pyx_t_2 = __pyx_v_self->m;
  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
    __pyx_v_i = __pyx_t_3;

    /* "scipy/spatial/ckdtree.pyx":380
 *         inf.node = self.tree
 *         for i in range(self.m):
 *             inf.side_distances[i] = 0             # <<<<<<<<<<<<<<
 *             t = x[i]-self.raw_maxes[i]
 *             if t>inf.side_distances[i]:
 */
    (__pyx_v_inf->side_distances[__pyx_v_i]) = 0.0;

    /* "scipy/spatial/ckdtree.pyx":381
 *         for i in range(self.m):
 *             inf.side_distances[i] = 0
 *             t = x[i]-self.raw_maxes[i]             # <<<<<<<<<<<<<<
 *             if t>inf.side_distances[i]:
 *                 inf.side_distances[i] = t
 */
    __pyx_v_t = ((__pyx_v_x[__pyx_v_i]) - (__pyx_v_self->raw_maxes[__pyx_v_i]));

    /* "scipy/spatial/ckdtree.pyx":382
 *             inf.side_distances[i] = 0
 *             t = x[i]-self.raw_maxes[i]
 *             if t>inf.side_distances[i]:             # <<<<<<<<<<<<<<
 *                 inf.side_distances[i] = t
 *             else:
 */
    __pyx_t_4 = (__pyx_v_t > (__pyx_v_inf->side_distances[__pyx_v_i]));
    if (__pyx_t_4) {

      /* "scipy/spatial/ckdtree.pyx":383
 *             t = x[i]-self.raw_maxes[i]
 *             if t>inf.side_distances[i]:
 *                 inf.side_distances[i] = t             # <<<<<<<<<<<<<<
 *             else:
 *                 t = self.raw_mins[i]-x[i]
 */
      (__pyx_v_inf->side_distances[__pyx_v_i]) = __pyx_v_t;
      goto __pyx_L5;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":385
 *                 inf.side_distances[i] = t
 *             else:
 *                 t = self.raw_mins[i]-x[i]             # <<<<<<<<<<<<<<
 *                 if t>inf.side_distances[i]:
 *                     inf.side_distances[i] = t
 */
      __pyx_v_t = ((__pyx_v_self->raw_mins[__pyx_v_i]) - (__pyx_v_x[__pyx_v_i]));

      /* "scipy/spatial/ckdtree.pyx":386
 *             else:
 *                 t = self.raw_mins[i]-x[i]
 *                 if t>inf.side_distances[i]:             # <<<<<<<<<<<<<<
 *                     inf.side_distances[i] = t
 *             if p!=1 and p!=infinity:
 */
      __pyx_t_4 = (__pyx_v_t > (__pyx_v_inf->side_distances[__pyx_v_i]));
      if (__pyx_t_4) {

        /* "scipy/spatial/ckdtree.pyx":387
 *                 t = self.raw_mins[i]-x[i]
 *                 if t>inf.side_distances[i]:
 *                     inf.side_distances[i] = t             # <<<<<<<<<<<<<<
 *             if p!=1 and p!=infinity:
 *                 inf.side_distances[i]=inf.side_distances[i]**p
 */
        (__pyx_v_inf->side_distances[__pyx_v_i]) = __pyx_v_t;
        goto __pyx_L6;
      }
      __pyx_L6:;
    }
    __pyx_L5:;

    /* "scipy/spatial/ckdtree.pyx":388
 *                 if t>inf.side_distances[i]:
 *                     inf.side_distances[i] = t
 *             if p!=1 and p!=infinity:             # <<<<<<<<<<<<<<
 *                 inf.side_distances[i]=inf.side_distances[i]**p
 * 
 */
    __pyx_t_4 = (__pyx_v_p != 1.0);
    if (__pyx_t_4) {
      __pyx_t_5 = (__pyx_v_p != __pyx_v_5scipy_7spatial_7ckdtree_infinity);
      __pyx_t_6 = __pyx_t_5;
    } else {
      __pyx_t_6 = __pyx_t_4;
    }
    if (__pyx_t_6) {

      /* "scipy/spatial/ckdtree.pyx":389
 *                     inf.side_distances[i] = t
 *             if p!=1 and p!=infinity:
 *                 inf.side_distances[i]=inf.side_distances[i]**p             # <<<<<<<<<<<<<<
 * 
 *         # compute first distance
 */
      (__pyx_v_inf->side_distances[__pyx_v_i]) = pow((__pyx_v_inf->side_distances[__pyx_v_i]), __pyx_v_p);
      goto __pyx_L7;
    }
    __pyx_L7:;
  }

  /* "scipy/spatial/ckdtree.pyx":392
 * 
 *         # compute first distance
 *         min_distance = 0.             # <<<<<<<<<<<<<<
 *         for i in range(self.m):
 *             if p==infinity:
 */
  __pyx_v_min_distance = 0.;

  /* "scipy/spatial/ckdtree.pyx":393
 *         # compute first distance
 *         min_distance = 0.
 *         for i in range(self.m):             # <<<<<<<<<<<<<<
 *             if p==infinity:
 *                 min_distance = dmax(min_distance,inf.side_distances[i])
 */
  __pyx_t_2 = __pyx_v_self->m;
  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
    __pyx_v_i = __pyx_t_3;

    /* "scipy/spatial/ckdtree.pyx":394
 *         min_distance = 0.
 *         for i in range(self.m):
 *             if p==infinity:             # <<<<<<<<<<<<<<
 *                 min_distance = dmax(min_distance,inf.side_distances[i])
 *             else:
 */
    __pyx_t_6 = (__pyx_v_p == __pyx_v_5scipy_7spatial_7ckdtree_infinity);
    if (__pyx_t_6) {

      /* "scipy/spatial/ckdtree.pyx":395
 *         for i in range(self.m):
 *             if p==infinity:
 *                 min_distance = dmax(min_distance,inf.side_distances[i])             # <<<<<<<<<<<<<<
 *             else:
 *                 min_distance += inf.side_distances[i]
 */
      __pyx_v_min_distance = __pyx_f_5scipy_7spatial_7ckdtree_dmax(__pyx_v_min_distance, (__pyx_v_inf->side_distances[__pyx_v_i]));
      goto __pyx_L10;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":397
 *                 min_distance = dmax(min_distance,inf.side_distances[i])
 *             else:
 *                 min_distance += inf.side_distances[i]             # <<<<<<<<<<<<<<
 * 
 *         # fiddle approximation factor
 */
      __pyx_v_min_distance = (__pyx_v_min_distance + (__pyx_v_inf->side_distances[__pyx_v_i]));
    }
    __pyx_L10:;
  }

  /* "scipy/spatial/ckdtree.pyx":400
 * 
 *         # fiddle approximation factor
 *         if eps==0:             # <<<<<<<<<<<<<<
 *             epsfac=1
 *         elif p==infinity:
 */
  __pyx_t_6 = (__pyx_v_eps == 0.0);
  if (__pyx_t_6) {

    /* "scipy/spatial/ckdtree.pyx":401
 *         # fiddle approximation factor
 *         if eps==0:
 *             epsfac=1             # <<<<<<<<<<<<<<
 *         elif p==infinity:
 *             epsfac = 1/(1+eps)
 */
    __pyx_v_epsfac = 1.0;
    goto __pyx_L11;
  }

  /* "scipy/spatial/ckdtree.pyx":402
 *         if eps==0:
 *             epsfac=1
 *         elif p==infinity:             # <<<<<<<<<<<<<<
 *             epsfac = 1/(1+eps)
 *         else:
 */
  __pyx_t_6 = (__pyx_v_p == __pyx_v_5scipy_7spatial_7ckdtree_infinity);
  if (__pyx_t_6) {

    /* "scipy/spatial/ckdtree.pyx":403
 *             epsfac=1
 *         elif p==infinity:
 *             epsfac = 1/(1+eps)             # <<<<<<<<<<<<<<
 *         else:
 *             epsfac = 1/(1+eps)**p
 */
    __pyx_t_7 = (1.0 + __pyx_v_eps);
    if (unlikely(__pyx_t_7 == 0)) {
      PyErr_Format(PyExc_ZeroDivisionError, "float division");
      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_v_epsfac = (1.0 / __pyx_t_7);
    goto __pyx_L11;
  }
  /*else*/ {

    /* "scipy/spatial/ckdtree.pyx":405
 *             epsfac = 1/(1+eps)
 *         else:
 *             epsfac = 1/(1+eps)**p             # <<<<<<<<<<<<<<
 * 
 *         # internally we represent all distances as distance**p
 */
    __pyx_t_7 = pow((1.0 + __pyx_v_eps), __pyx_v_p);
    if (unlikely(__pyx_t_7 == 0)) {
      PyErr_Format(PyExc_ZeroDivisionError, "float division");
      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_v_epsfac = (1.0 / __pyx_t_7);
  }
  __pyx_L11:;

  /* "scipy/spatial/ckdtree.pyx":408
 * 
 *         # internally we represent all distances as distance**p
 *         if p!=infinity and distance_upper_bound!=infinity:             # <<<<<<<<<<<<<<
 *             distance_upper_bound = distance_upper_bound**p
 * 
 */
  __pyx_t_6 = (__pyx_v_p != __pyx_v_5scipy_7spatial_7ckdtree_infinity);
  if (__pyx_t_6) {
    __pyx_t_4 = (__pyx_v_distance_upper_bound != __pyx_v_5scipy_7spatial_7ckdtree_infinity);
    __pyx_t_5 = __pyx_t_4;
  } else {
    __pyx_t_5 = __pyx_t_6;
  }
  if (__pyx_t_5) {

    /* "scipy/spatial/ckdtree.pyx":409
 *         # internally we represent all distances as distance**p
 *         if p!=infinity and distance_upper_bound!=infinity:
 *             distance_upper_bound = distance_upper_bound**p             # <<<<<<<<<<<<<<
 * 
 *         while True:
 */
    __pyx_v_distance_upper_bound = pow(__pyx_v_distance_upper_bound, __pyx_v_p);
    goto __pyx_L12;
  }
  __pyx_L12:;

  /* "scipy/spatial/ckdtree.pyx":411
 *             distance_upper_bound = distance_upper_bound**p
 * 
 *         while True:             # <<<<<<<<<<<<<<
 *             if inf.node.split_dim==-1:
 *                 node = <leafnode*>inf.node
 */
  while (1) {
    if (!1) break;

    /* "scipy/spatial/ckdtree.pyx":412
 * 
 *         while True:
 *             if inf.node.split_dim==-1:             # <<<<<<<<<<<<<<
 *                 node = <leafnode*>inf.node
 * 
 */
    __pyx_t_5 = (__pyx_v_inf->node->split_dim == -1);
    if (__pyx_t_5) {

      /* "scipy/spatial/ckdtree.pyx":413
 *         while True:
 *             if inf.node.split_dim==-1:
 *                 node = <leafnode*>inf.node             # <<<<<<<<<<<<<<
 * 
 *                 # brute-force
 */
      __pyx_v_node = ((struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *)__pyx_v_inf->node);

      /* "scipy/spatial/ckdtree.pyx":416
 * 
 *                 # brute-force
 *                 for i in range(node.start_idx,node.end_idx):             # <<<<<<<<<<<<<<
 *                     d = _distance_p(
 *                             self.raw_data+self.raw_indices[i]*self.m,
 */
      __pyx_t_2 = __pyx_v_node->end_idx;
      for (__pyx_t_3 = __pyx_v_node->start_idx; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
        __pyx_v_i = __pyx_t_3;

        /* "scipy/spatial/ckdtree.pyx":419
 *                     d = _distance_p(
 *                             self.raw_data+self.raw_indices[i]*self.m,
 *                             x,p,self.m,distance_upper_bound)             # <<<<<<<<<<<<<<
 * 
 *                     if d<distance_upper_bound:
 */
        __pyx_v_d = __pyx_f_5scipy_7spatial_7ckdtree__distance_p((__pyx_v_self->raw_data + ((__pyx_v_self->raw_indices[__pyx_v_i]) * __pyx_v_self->m)), __pyx_v_x, __pyx_v_p, __pyx_v_self->m, __pyx_v_distance_upper_bound);

        /* "scipy/spatial/ckdtree.pyx":421
 *                             x,p,self.m,distance_upper_bound)
 * 
 *                     if d<distance_upper_bound:             # <<<<<<<<<<<<<<
 *                         # replace furthest neighbor
 *                         if neighbors.n==k:
 */
        __pyx_t_5 = (__pyx_v_d < __pyx_v_distance_upper_bound);
        if (__pyx_t_5) {

          /* "scipy/spatial/ckdtree.pyx":423
 *                     if d<distance_upper_bound:
 *                         # replace furthest neighbor
 *                         if neighbors.n==k:             # <<<<<<<<<<<<<<
 *                             heapremove(&neighbors)
 *                         neighbor.priority = -d
 */
          __pyx_t_5 = (__pyx_v_neighbors.n == __pyx_v_k);
          if (__pyx_t_5) {

            /* "scipy/spatial/ckdtree.pyx":424
 *                         # replace furthest neighbor
 *                         if neighbors.n==k:
 *                             heapremove(&neighbors)             # <<<<<<<<<<<<<<
 *                         neighbor.priority = -d
 *                         neighbor.contents.intdata = self.raw_indices[i]
 */
            __pyx_t_1 = __pyx_f_5scipy_7spatial_7ckdtree_heapremove((&__pyx_v_neighbors)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
            __Pyx_GOTREF(__pyx_t_1);
            __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
            goto __pyx_L19;
          }
          __pyx_L19:;

          /* "scipy/spatial/ckdtree.pyx":425
 *                         if neighbors.n==k:
 *                             heapremove(&neighbors)
 *                         neighbor.priority = -d             # <<<<<<<<<<<<<<
 *                         neighbor.contents.intdata = self.raw_indices[i]
 *                         heappush(&neighbors,neighbor)
 */
          __pyx_v_neighbor.priority = (-__pyx_v_d);

          /* "scipy/spatial/ckdtree.pyx":426
 *                             heapremove(&neighbors)
 *                         neighbor.priority = -d
 *                         neighbor.contents.intdata = self.raw_indices[i]             # <<<<<<<<<<<<<<
 *                         heappush(&neighbors,neighbor)
 * 
 */
          __pyx_v_neighbor.contents.intdata = (__pyx_v_self->raw_indices[__pyx_v_i]);

          /* "scipy/spatial/ckdtree.pyx":427
 *                         neighbor.priority = -d
 *                         neighbor.contents.intdata = self.raw_indices[i]
 *                         heappush(&neighbors,neighbor)             # <<<<<<<<<<<<<<
 * 
 *                         # adjust upper bound for efficiency
 */
          __pyx_t_1 = __pyx_f_5scipy_7spatial_7ckdtree_heappush((&__pyx_v_neighbors), __pyx_v_neighbor); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
          __Pyx_GOTREF(__pyx_t_1);
          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

          /* "scipy/spatial/ckdtree.pyx":430
 * 
 *                         # adjust upper bound for efficiency
 *                         if neighbors.n==k:             # <<<<<<<<<<<<<<
 *                             distance_upper_bound = -heappeek(&neighbors).priority
 *                 # done with this node, get another
 */
          __pyx_t_5 = (__pyx_v_neighbors.n == __pyx_v_k);
          if (__pyx_t_5) {

            /* "scipy/spatial/ckdtree.pyx":431
 *                         # adjust upper bound for efficiency
 *                         if neighbors.n==k:
 *                             distance_upper_bound = -heappeek(&neighbors).priority             # <<<<<<<<<<<<<<
 *                 # done with this node, get another
 *                 stdlib.free(inf)
 */
            __pyx_v_distance_upper_bound = (-__pyx_f_5scipy_7spatial_7ckdtree_heappeek((&__pyx_v_neighbors)).priority);
            goto __pyx_L20;
          }
          __pyx_L20:;
          goto __pyx_L18;
        }
        __pyx_L18:;
      }

      /* "scipy/spatial/ckdtree.pyx":433
 *                             distance_upper_bound = -heappeek(&neighbors).priority
 *                 # done with this node, get another
 *                 stdlib.free(inf)             # <<<<<<<<<<<<<<
 *                 if q.n==0:
 *                     # no more nodes to visit
 */
      free(__pyx_v_inf);

      /* "scipy/spatial/ckdtree.pyx":434
 *                 # done with this node, get another
 *                 stdlib.free(inf)
 *                 if q.n==0:             # <<<<<<<<<<<<<<
 *                     # no more nodes to visit
 *                     break
 */
      __pyx_t_5 = (__pyx_v_q.n == 0);
      if (__pyx_t_5) {

        /* "scipy/spatial/ckdtree.pyx":436
 *                 if q.n==0:
 *                     # no more nodes to visit
 *                     break             # <<<<<<<<<<<<<<
 *                 else:
 *                     it = heappop(&q)
 */
        goto __pyx_L14_break;
        goto __pyx_L21;
      }
      /*else*/ {

        /* "scipy/spatial/ckdtree.pyx":438
 *                     break
 *                 else:
 *                     it = heappop(&q)             # <<<<<<<<<<<<<<
 *                     inf = <nodeinfo*>it.contents.ptrdata
 *                     min_distance = it.priority
 */
        __pyx_v_it = __pyx_f_5scipy_7spatial_7ckdtree_heappop((&__pyx_v_q));

        /* "scipy/spatial/ckdtree.pyx":439
 *                 else:
 *                     it = heappop(&q)
 *                     inf = <nodeinfo*>it.contents.ptrdata             # <<<<<<<<<<<<<<
 *                     min_distance = it.priority
 *             else:
 */
        __pyx_v_inf = ((struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo *)__pyx_v_it.contents.ptrdata);

        /* "scipy/spatial/ckdtree.pyx":440
 *                     it = heappop(&q)
 *                     inf = <nodeinfo*>it.contents.ptrdata
 *                     min_distance = it.priority             # <<<<<<<<<<<<<<
 *             else:
 *                 inode = <innernode*>inf.node
 */
        __pyx_v_min_distance = __pyx_v_it.priority;
      }
      __pyx_L21:;
      goto __pyx_L15;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":442
 *                     min_distance = it.priority
 *             else:
 *                 inode = <innernode*>inf.node             # <<<<<<<<<<<<<<
 * 
 *                 # we don't push cells that are too far onto the queue at all,
 */
      __pyx_v_inode = ((struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *)__pyx_v_inf->node);

      /* "scipy/spatial/ckdtree.pyx":447
 *                 # but since the distance_upper_bound decreases, we might get
 *                 # here even if the cell's too far
 *                 if min_distance>distance_upper_bound*epsfac:             # <<<<<<<<<<<<<<
 *                     # since this is the nearest cell, we're done, bail out
 *                     stdlib.free(inf)
 */
      __pyx_t_5 = (__pyx_v_min_distance > (__pyx_v_distance_upper_bound * __pyx_v_epsfac));
      if (__pyx_t_5) {

        /* "scipy/spatial/ckdtree.pyx":449
 *                 if min_distance>distance_upper_bound*epsfac:
 *                     # since this is the nearest cell, we're done, bail out
 *                     stdlib.free(inf)             # <<<<<<<<<<<<<<
 *                     # free all the nodes still on the heap
 *                     for i in range(q.n):
 */
        free(__pyx_v_inf);

        /* "scipy/spatial/ckdtree.pyx":451
 *                     stdlib.free(inf)
 *                     # free all the nodes still on the heap
 *                     for i in range(q.n):             # <<<<<<<<<<<<<<
 *                         stdlib.free(q.heap[i].contents.ptrdata)
 *                     break
 */
        __pyx_t_2 = __pyx_v_q.n;
        for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
          __pyx_v_i = __pyx_t_3;

          /* "scipy/spatial/ckdtree.pyx":452
 *                     # free all the nodes still on the heap
 *                     for i in range(q.n):
 *                         stdlib.free(q.heap[i].contents.ptrdata)             # <<<<<<<<<<<<<<
 *                     break
 * 
 */
          free((__pyx_v_q.heap[__pyx_v_i]).contents.ptrdata);
        }

        /* "scipy/spatial/ckdtree.pyx":453
 *                     for i in range(q.n):
 *                         stdlib.free(q.heap[i].contents.ptrdata)
 *                     break             # <<<<<<<<<<<<<<
 * 
 *                 # set up children for searching
 */
        goto __pyx_L14_break;
        goto __pyx_L22;
      }
      __pyx_L22:;

      /* "scipy/spatial/ckdtree.pyx":456
 * 
 *                 # set up children for searching
 *                 if x[inode.split_dim]<inode.split:             # <<<<<<<<<<<<<<
 *                     near = inode.less
 *                     far = inode.greater
 */
      __pyx_t_5 = ((__pyx_v_x[__pyx_v_inode->split_dim]) < __pyx_v_inode->split);
      if (__pyx_t_5) {

        /* "scipy/spatial/ckdtree.pyx":457
 *                 # set up children for searching
 *                 if x[inode.split_dim]<inode.split:
 *                     near = inode.less             # <<<<<<<<<<<<<<
 *                     far = inode.greater
 *                 else:
 */
        __pyx_v_near = __pyx_v_inode->less;

        /* "scipy/spatial/ckdtree.pyx":458
 *                 if x[inode.split_dim]<inode.split:
 *                     near = inode.less
 *                     far = inode.greater             # <<<<<<<<<<<<<<
 *                 else:
 *                     near = inode.greater
 */
        __pyx_v_far = __pyx_v_inode->greater;
        goto __pyx_L25;
      }
      /*else*/ {

        /* "scipy/spatial/ckdtree.pyx":460
 *                     far = inode.greater
 *                 else:
 *                     near = inode.greater             # <<<<<<<<<<<<<<
 *                     far = inode.less
 * 
 */
        __pyx_v_near = __pyx_v_inode->greater;

        /* "scipy/spatial/ckdtree.pyx":461
 *                 else:
 *                     near = inode.greater
 *                     far = inode.less             # <<<<<<<<<<<<<<
 * 
 *                 # near child is at the same distance as the current node
 */
        __pyx_v_far = __pyx_v_inode->less;
      }
      __pyx_L25:;

      /* "scipy/spatial/ckdtree.pyx":466
 *                 # we're going here next, so no point pushing it on the queue
 *                 # no need to recompute the distance or the side_distances
 *                 inf.node = near             # <<<<<<<<<<<<<<
 * 
 *                 # far child is further by an amount depending only
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 *                 # on the split value; compute its distance and side_distances
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      /* "scipy/spatial/ckdtree.pyx":472
 *                 # and push it on the queue if it's near enough
 *                 inf2 = <nodeinfo*>stdlib.malloc(sizeof(nodeinfo)+self.m*sizeof(double))
 *                 it2.contents.ptrdata = <char*> inf2             # <<<<<<<<<<<<<<
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 *                 inf2.node = far
 *                 # most side distances unchanged
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 *                 # most side distances unchanged
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 *                 if p == infinity:             # <<<<<<<<<<<<<<
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 *                     # we never use side_distances in the l_infinity case
 *                     # inf2.side_distances[inode.split_dim] = dabs(inode.split-x[inode.split_dim])
 *                     far_min_distance = dmax(min_distance, dabs(inode.split-x[inode.split_dim]))             # <<<<<<<<<<<<<<
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 *                     # inf2.side_distances[inode.split_dim] = dabs(inode.split-x[inode.split_dim])
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 *                 elif p == 1:
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/* "scipy/spatial/ckdtree.pyx":514
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static char __pyx_doc_5scipy_7spatial_7ckdtree_7cKDTree_2query[] = "query(self, x, k=1, eps=0, p=2, distance_upper_bound=np.inf)\n        \n        Query the kd-tree for nearest neighbors.\n\n        Parameters\n        ----------\n        x : array_like, last dimension self.m\n            An array of points to query.\n        k : int\n            The number of nearest neighbors to return.\n        eps : non-negative float\n            Return approximate nearest neighbors; the k-th returned value \n            is guaranteed to be no further than (1 + `eps`) times the \n            distance to the real k-th nearest neighbor.\n        p : float, 1 <= p <= infinity\n            Which Minkowski p-norm to use. \n            1 is the sum-of-absolute-values \"Manhattan\" distance.\n            2 is the usual Euclidean distance.\n            infinity is the maximum-coordinate-difference distance.\n        distance_upper_bound : non-negative float\n            Return only neighbors within this distance.  This is used to prune\n            tree searches, so if you are doing a series of nearest-neighbor\n            queries, it may help to supply the distance to the nearest neighbor\n            of the most recent point.\n\n        Returns\n        -------\n        d : ndarray of floats\n            The distances to the nearest neighbors. \n            If `x` has shape tuple+(self.m,), then `d` has shape tuple+(k,).\n            Missing neighbors are indicated with infinite distances.\n        i : ndarray of ints\n            The locations of the neighbors in self.data.\n            If `x` has shape tuple+(self.m,), then `i` has shape tuple+(k,).\n            Missing neighbors are indicated with self.n.\n\n        ";
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 */
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    /* "numpy.pxd":255
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 *                 elif t == NPY_UBYTE:       f = "B"             # <<<<<<<<<<<<<<
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    /* "numpy.pxd":256
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 */
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    /* "numpy.pxd":258
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 *                 elif t == NPY_INT:         f = "i"             # <<<<<<<<<<<<<<
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 */
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    /* "numpy.pxd":259
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 */
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    /* "numpy.pxd":260
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    /* "numpy.pxd":261
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    /* "numpy.pxd":262
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    /* "numpy.pxd":263
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    /* "numpy.pxd":264
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    /* "numpy.pxd":265
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    /* "numpy.pxd":266
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    return;
}

#else /* Python 3+ */

static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
    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)) {
        PyErr_SetString(PyExc_TypeError,
            "raise: exception class must be a subclass of BaseException");
        goto bad;
    }

    if (cause) {
        PyObject *fixed_cause;
        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;
        }
        if (!value) {
            value = PyObject_CallObject(type, NULL);
        }
        PyException_SetCause(value, fixed_cause);
    }

    PyErr_SetObject(type, value);

    if (tb) {
        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);
        }
    }

bad:
    return;
}
#endif

static CYTHON_INLINE long __Pyx_div_long(long a, long b) {
    long q = a / b;
    long r = a - q*b;
    q -= ((r != 0) & ((r ^ b) < 0));
    return q;
}

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_AS_STRING(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;
        } else {
            #if PY_MAJOR_VERSION < 3
            if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key))) {
            #else
            if (unlikely(!PyUnicode_CheckExact(key)) && unlikely(!PyUnicode_Check(key))) {
            #endif
                goto invalid_keyword_type;
            } else {
                for (name = first_kw_arg; *name; name++) {
                    #if PY_MAJOR_VERSION >= 3
                    if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
                        PyUnicode_Compare(**name, key) == 0) break;
                    #else
                    if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
                        _PyString_Eq(**name, key)) break;
                    #endif
                }
                if (*name) {
                    values[name-argnames] = value;
                } else {
                    /* unexpected keyword found */
                    for (name=argnames; name != first_kw_arg; name++) {
                        if (**name == key) goto arg_passed_twice;
                        #if PY_MAJOR_VERSION >= 3
                        if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
                            PyUnicode_Compare(**name, key) == 0) goto arg_passed_twice;
                        #else
                        if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
                            _PyString_Eq(**name, key)) goto arg_passed_twice;
                        #endif
                    }
                    if (kwds2) {
                        if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
                    } else {
                        goto invalid_keyword;
                    }
                }
            }
        }
    }
    return 0;
arg_passed_twice:
    __Pyx_RaiseDoubleKeywordsError(function_name, **name);
    goto bad;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%s() keywords must be strings", function_name);
    goto bad;
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%s() got an unexpected keyword argument '%s'",
        function_name, PyString_AsString(key));
    #else
        "%s() got an unexpected keyword argument '%U'",
        function_name, key);
    #endif
bad:
    return -1;
}

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,
                 "%s() takes %s %"PY_FORMAT_SIZE_T"d positional argument%s (%"PY_FORMAT_SIZE_T"d given)",
                 func_name, more_or_less, num_expected,
                 (num_expected == 1) ? "" : "s", num_found);
}

static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
    PyErr_Format(PyExc_ValueError,
                 "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack",
                 index, (index == 1) ? "" : "s");
}

static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
    PyErr_Format(PyExc_ValueError,
                 "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected);
}

static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
    if (unlikely(retval)) {
        Py_DECREF(retval);
        __Pyx_RaiseTooManyValuesError(expected);
        return -1;
    } else if (PyErr_Occurred()) {
        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
            PyErr_Clear();
            return 0;
        } else {
            return -1;
        }
    }
    return 0;
}

static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
    if (unlikely(!type)) {
        PyErr_Format(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 int __Pyx_IsLittleEndian(void) {
  unsigned int n = 1;
  return *(unsigned char*)(&n) != 0;
}

typedef struct {
  __Pyx_StructField root;
  __Pyx_BufFmt_StackElem* head;
  size_t fmt_offset;
  size_t new_count, enc_count;
  int is_complex;
  char enc_type;
  char new_packmode;
  char enc_packmode;
} __Pyx_BufFmt_Context;

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;
  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 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 'b': return "'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 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': 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': 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, int is_complex) {
  switch (ch) {
    case '?': case 'c': case 'b': case 'B': 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;
    }
}

static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) {
  switch (ch) {
    case 'c': case 'b': case 'h': case 'i': case 'l': case 'q': 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;
  if (ctx->enc_type == 0) return 0;
  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 (type->size != size || type->typegroup != group) {
      if (type->typegroup == 'C' && type->fields != NULL) {
        /* special case -- treat as struct rather than complex number */
        size_t parent_offset = ctx->head->parent_offset + field->offset;
        ++ctx->head;
        ctx->head->field = type->fields;
        ctx->head->parent_offset = parent_offset;
        continue;
      }

      __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 %"PY_FORMAT_SIZE_T"d but %"PY_FORMAT_SIZE_T"d expected",
                   (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
      return -1;
    }

    ctx->fmt_offset += size;

    --ctx->enc_count; /* Consume from buffer string */

    /* Done checking, move to next field, pushing or popping struct stack if needed */
    while (1) {
      if (field == &ctx->root) {
        ctx->head = NULL;
        if (ctx->enc_count != 0) {
          __Pyx_BufFmt_RaiseExpected(ctx);
          return -1;
        }
        break; /* breaks both loops as ctx->enc_count == 0 */
      }
      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; /* empty struct */
        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 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 10:
      case 13:
        ++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': /* substruct */
        {
          const char* ts_after_sub;
          size_t i, struct_count = ctx->new_count;
          ctx->new_count = 1;
          ++ts;
          if (*ts != '{') {
            PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'");
            return NULL;
          }
          ++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;
        }
        break;
      case '}': /* end of substruct; either repeat or move on */
        ++ts;
        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;
        }        /* fall through */
      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':
        if (ctx->enc_type == *ts && got_Z == ctx->is_complex &&
            ctx->enc_packmode == ctx->new_packmode) {
          /* Continue pooling same type */
          ctx->enc_count += ctx->new_count;
        } else {
          /* New type */
          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;
      default:
        {
          int number = __Pyx_BufFmt_ParseNumber(&ts);
          if (number == -1) { /* First char was not a digit */
            PyErr_Format(PyExc_ValueError,
                         "Does not understand character buffer dtype format string ('%c')", *ts);
            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 (%"PY_FORMAT_SIZE_T"d byte%s) does not match size of '%s' (%"PY_FORMAT_SIZE_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 void __Pyx_RaiseBufferFallbackError(void) {
  PyErr_Format(PyExc_ValueError,
     "Buffer acquisition failed on assignment; and then reacquiring the old buffer failed too!");
}


static void __Pyx_RaiseBufferIndexError(int axis) {
  PyErr_Format(PyExc_IndexError,
     "Out of bounds on buffer access (axis %d)", axis);
}


static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
}

static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
    if (t == Py_None) {
      __Pyx_RaiseNoneNotIterableError();
    } else if (PyTuple_GET_SIZE(t) < index) {
      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
    } else {
      __Pyx_RaiseTooManyValuesError(index);
    }
}

#if PY_MAJOR_VERSION < 3
static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
  #if PY_VERSION_HEX >= 0x02060000
  if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
  #endif
  if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pf_5numpy_7ndarray___getbuffer__(obj, view, flags);
  else {
  PyErr_Format(PyExc_TypeError, "'%100s' 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) {
    #if PY_VERSION_HEX >= 0x02060000
    if (PyObject_CheckBuffer(obj)) {PyBuffer_Release(view); return;}
    #endif
    if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) __pyx_pf_5numpy_7ndarray_1__releasebuffer__(obj, view);
    Py_DECREF(obj);
    view->obj = NULL;
  }
}

#endif

static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
    PyObject *py_import = 0;
    PyObject *empty_list = 0;
    PyObject *module = 0;
    PyObject *global_dict = 0;
    PyObject *empty_dict = 0;
    PyObject *list;
    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
    if (!py_import)
        goto bad;
    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_VERSION_HEX >= 0x02050000
    {
        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
    if (level>0) {
        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
        goto bad;
    }
    module = PyObject_CallFunctionObjArgs(py_import,
        name, global_dict, empty_dict, list, NULL);
    #endif
bad:
    Py_XDECREF(empty_list);
    Py_XDECREF(py_import);
    Py_XDECREF(empty_dict);
    return module;
}

#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 unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(unsigned char) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(unsigned char)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to unsigned char" :
                    "value too large to convert to unsigned char");
            }
            return (unsigned char)-1;
        }
        return (unsigned char)val;
    }
    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
}

static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(unsigned short) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(unsigned short)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to unsigned short" :
                    "value too large to convert to unsigned short");
            }
            return (unsigned short)-1;
        }
        return (unsigned short)val;
    }
    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
}

static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(unsigned int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(unsigned int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to unsigned int" :
                    "value too large to convert to unsigned int");
            }
            return (unsigned int)-1;
        }
        return (unsigned int)val;
    }
    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
}

static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
    const char neg_one = (char)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(char) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(char)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to char" :
                    "value too large to convert to char");
            }
            return (char)-1;
        }
        return (char)val;
    }
    return (char)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
    const short neg_one = (short)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(short) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(short)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to short" :
                    "value too large to convert to short");
            }
            return (short)-1;
        }
        return (short)val;
    }
    return (short)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
    const int neg_one = (int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to int" :
                    "value too large to convert to int");
            }
            return (int)-1;
        }
        return (int)val;
    }
    return (int)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
    const signed char neg_one = (signed char)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(signed char) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(signed char)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to signed char" :
                    "value too large to convert to signed char");
            }
            return (signed char)-1;
        }
        return (signed char)val;
    }
    return (signed char)__Pyx_PyInt_AsSignedLong(x);
}

static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
    const signed short neg_one = (signed short)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(signed short) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(signed short)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to signed short" :
                    "value too large to convert to signed short");
            }
            return (signed short)-1;
        }
        return (signed short)val;
    }
    return (signed short)__Pyx_PyInt_AsSignedLong(x);
}

static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
    const signed int neg_one = (signed int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(signed int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(signed int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to signed int" :
                    "value too large to convert to signed int");
            }
            return (signed int)-1;
        }
        return (signed int)val;
    }
    return (signed int)__Pyx_PyInt_AsSignedLong(x);
}

static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
    const int neg_one = (int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to int" :
                    "value too large to convert to int");
            }
            return (int)-1;
        }
        return (int)val;
    }
    return (int)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to unsigned long");
            return (unsigned long)-1;
        }
        return (unsigned long)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to unsigned long");
                return (unsigned long)-1;
            }
            return (unsigned long)PyLong_AsUnsignedLong(x);
        } else {
            return (unsigned long)PyLong_AsLong(x);
        }
    } else {
        unsigned long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (unsigned long)-1;
        val = __Pyx_PyInt_AsUnsignedLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to unsigned PY_LONG_LONG");
            return (unsigned PY_LONG_LONG)-1;
        }
        return (unsigned PY_LONG_LONG)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to unsigned PY_LONG_LONG");
                return (unsigned PY_LONG_LONG)-1;
            }
            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
        } else {
            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
        }
    } else {
        unsigned PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (unsigned PY_LONG_LONG)-1;
        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
    const long neg_one = (long)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to long");
            return (long)-1;
        }
        return (long)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to long");
                return (long)-1;
            }
            return (long)PyLong_AsUnsignedLong(x);
        } else {
            return (long)PyLong_AsLong(x);
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (long)-1;
        val = __Pyx_PyInt_AsLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to PY_LONG_LONG");
            return (PY_LONG_LONG)-1;
        }
        return (PY_LONG_LONG)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to PY_LONG_LONG");
                return (PY_LONG_LONG)-1;
            }
            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
        } else {
            return (PY_LONG_LONG)PyLong_AsLongLong(x);
        }
    } else {
        PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (PY_LONG_LONG)-1;
        val = __Pyx_PyInt_AsLongLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
    const signed long neg_one = (signed long)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to signed long");
            return (signed long)-1;
        }
        return (signed long)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to signed long");
                return (signed long)-1;
            }
            return (signed long)PyLong_AsUnsignedLong(x);
        } else {
            return (signed long)PyLong_AsLong(x);
        }
    } else {
        signed long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (signed long)-1;
        val = __Pyx_PyInt_AsSignedLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to signed PY_LONG_LONG");
            return (signed PY_LONG_LONG)-1;
        }
        return (signed PY_LONG_LONG)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to signed PY_LONG_LONG");
                return (signed PY_LONG_LONG)-1;
            }
            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
        } else {
            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
        }
    } else {
        signed PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (signed PY_LONG_LONG)-1;
        val = __Pyx_PyInt_AsSignedLongLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static void __Pyx_WriteUnraisable(const char *name, int clineno,
                                  int lineno, const char *filename) {
    PyObject *old_exc, *old_val, *old_tb;
    PyObject *ctx;
    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
    #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);
    }
}

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);
        #if PY_VERSION_HEX < 0x02050000
        return PyErr_Warn(NULL, message);
        #else
        return PyErr_WarnEx(NULL, message, 1);
        #endif
    }
    return 0;
}

static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
    PyObject *ob = PyCapsule_New(vtable, 0, 0);
#else
    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
#endif
    if (!ob)
        goto bad;
    if (PyDict_SetItemString(dict, "__pyx_vtable__", ob) < 0)
        goto bad;
    Py_DECREF(ob);
    return 0;
bad:
    Py_XDECREF(ob);
    return -1;
}

#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_module = __Pyx_ImportModule(module_name);
    if (!py_module)
        goto bad;
    #if PY_MAJOR_VERSION < 3
    py_name = PyString_FromString(class_name);
    #else
    py_name = PyUnicode_FromString(class_name);
    #endif
    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,
            "%s.%s is not a type object",
            module_name, class_name);
        goto bad;
    }
    if (!strict && ((PyTypeObject *)result)->tp_basicsize > (Py_ssize_t)size) {
        PyOS_snprintf(warning, sizeof(warning),
            "%s.%s size changed, may indicate binary incompatibility",
            module_name, class_name);
        #if PY_VERSION_HEX < 0x02050000
        if (PyErr_Warn(NULL, warning) < 0) goto bad;
        #else
        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
        #endif
    }
    else if (((PyTypeObject *)result)->tp_basicsize != (Py_ssize_t)size) {
        PyErr_Format(PyExc_ValueError,
            "%s.%s 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

#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;

    #if PY_MAJOR_VERSION < 3
    py_name = PyString_FromString(name);
    #else
    py_name = PyUnicode_FromString(name);
    #endif
    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

#include "compile.h"
#include "frameobject.h"
#include "traceback.h"

static void __Pyx_AddTraceback(const char *funcname, int __pyx_clineno,
                               int __pyx_lineno, const char *__pyx_filename) {
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    PyObject *py_globals = 0;
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;

    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(__pyx_filename);
    #else
    py_srcfile = PyUnicode_FromString(__pyx_filename);
    #endif
    if (!py_srcfile) goto bad;
    if (__pyx_clineno) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
        #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_globals = PyModule_GetDict(__pyx_m);
    if (!py_globals) goto bad;
    py_code = PyCode_New(
        0,            /*int argcount,*/
        #if PY_MAJOR_VERSION >= 3
        0,            /*int kwonlyargcount,*/
        #endif
        0,            /*int nlocals,*/
        0,            /*int stacksize,*/
        0,            /*int flags,*/
        __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,*/
        __pyx_lineno,   /*int firstlineno,*/
        __pyx_empty_bytes  /*PyObject *lnotab*/
    );
    if (!py_code) goto bad;
    py_frame = PyFrame_New(
        PyThreadState_GET(), /*PyThreadState *tstate,*/
        py_code,             /*PyCodeObject *code,*/
        py_globals,          /*PyObject *globals,*/
        0                    /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    py_frame->f_lineno = __pyx_lineno;
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

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  /* Python 3+ has unicode identifiers */
        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;
}

/* Type Conversion Functions */

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_VERSION_HEX < 0x03000000
  if (PyInt_Check(x) || PyLong_Check(x))
#else
  if (PyLong_Check(x))
#endif
    return Py_INCREF(x), x;
  m = Py_TYPE(x)->tp_as_number;
#if PY_VERSION_HEX < 0x03000000
  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_VERSION_HEX < 0x03000000
    if (!PyInt_Check(res) && !PyLong_Check(res)) {
#else
    if (!PyLong_Check(res)) {
#endif
      PyErr_Format(PyExc_TypeError,
                   "__%s__ returned non-%s (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 = 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) {
#if PY_VERSION_HEX < 0x02050000
   if (ival <= LONG_MAX)
       return PyInt_FromLong((long)ival);
   else {
       unsigned char *bytes = (unsigned char *) &ival;
       int one = 1; int little = (int)*(unsigned char*)&one;
       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
   }
#else
   return PyInt_FromSize_t(ival);
#endif
}

static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
       return (size_t)-1;
   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
       PyErr_SetString(PyExc_OverflowError,
                       "value too large to convert to size_t");
       return (size_t)-1;
   }
   return (size_t)val;
}


#endif /* Py_PYTHON_H */
