/* Generated by Cython 0.29.22 */

/* BEGIN: Cython Metadata
{
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        "name": "wildboar.tree._tree_builder",
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END: Cython Metadata */

#define PY_SSIZE_T_CLEAN
#include "Python.h"
#ifndef Py_PYTHON_H
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    #define CYTHON_INLINE inline
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#define __PYX_BUILD_PY_SSIZE_T "n"
#define CYTHON_FORMAT_SSIZE_T "z"
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#define __Pyx_PyDict_GetItemStr(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
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#if PY_MAJOR_VERSION >= 3
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#ifndef PySet_CheckExact
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#endif
#if PY_VERSION_HEX >= 0x030900A4
  #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
  #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size)
#else
  #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt)
  #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
#endif
#if CYTHON_ASSUME_SAFE_MACROS
  #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
#else
  #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyIntObject                  PyLongObject
  #define PyInt_Type                   PyLong_Type
  #define PyInt_Check(op)              PyLong_Check(op)
  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
  #define PyInt_FromString             PyLong_FromString
  #define PyInt_FromUnicode            PyLong_FromUnicode
  #define PyInt_FromLong               PyLong_FromLong
  #define PyInt_FromSize_t             PyLong_FromSize_t
  #define PyInt_FromSsize_t            PyLong_FromSsize_t
  #define PyInt_AsLong                 PyLong_AsLong
  #define PyInt_AS_LONG                PyLong_AS_LONG
  #define PyInt_AsSsize_t              PyLong_AsSsize_t
  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
  #define PyNumber_Int                 PyNumber_Long
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBoolObject                 PyLongObject
#endif
#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY
  #ifndef PyUnicode_InternFromString
    #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
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#if PY_VERSION_HEX < 0x030200A4
  typedef long Py_hash_t;
  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
#else
  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
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#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func))
#else
  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
#endif
#if CYTHON_USE_ASYNC_SLOTS
  #if PY_VERSION_HEX >= 0x030500B1
    #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
    #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
  #else
    #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
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#else
  #define __Pyx_PyType_AsAsync(obj) NULL
#endif
#ifndef __Pyx_PyAsyncMethodsStruct
    typedef struct {
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#endif

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

#define __PYX_MARK_ERR_POS(f_index, lineno) \
    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; }
#define __PYX_ERR(f_index, lineno, Ln_error) \
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#ifndef __PYX_EXTERN_C
  #ifdef __cplusplus
    #define __PYX_EXTERN_C extern "C"
  #else
    #define __PYX_EXTERN_C extern
  #endif
#endif

#define __PYX_HAVE__wildboar__tree___tree_builder
#define __PYX_HAVE_API__wildboar__tree___tree_builder
/* Early includes */
#include <string.h>
#include <stdio.h>
#include "numpy/arrayobject.h"
#include "numpy/ndarrayobject.h"
#include "numpy/ndarraytypes.h"
#include "numpy/arrayscalars.h"
#include "numpy/ufuncobject.h"

    /* NumPy API declarations from "numpy/__init__.pxd" */
    
#include <math.h>
#include <stdlib.h>
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */

#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS)
#define CYTHON_WITHOUT_ASSERTIONS
#endif

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

#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8)
#define __PYX_DEFAULT_STRING_ENCODING ""
#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#define __Pyx_uchar_cast(c) ((unsigned char)c)
#define __Pyx_long_cast(x) ((long)x)
#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
    (sizeof(type) < sizeof(Py_ssize_t))  ||\
    (sizeof(type) > sizeof(Py_ssize_t) &&\
          likely(v < (type)PY_SSIZE_T_MAX ||\
                 v == (type)PY_SSIZE_T_MAX)  &&\
          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
                                v == (type)PY_SSIZE_T_MIN)))  ||\
    (sizeof(type) == sizeof(Py_ssize_t) &&\
          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
                               v == (type)PY_SSIZE_T_MAX)))  )
static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) {
    return (size_t) i < (size_t) limit;
}
#if defined (__cplusplus) && __cplusplus >= 201103L
    #include <cstdlib>
    #define __Pyx_sst_abs(value) std::abs(value)
#elif SIZEOF_INT >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) abs(value)
#elif SIZEOF_LONG >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) labs(value)
#elif defined (_MSC_VER)
    #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value))
#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define __Pyx_sst_abs(value) llabs(value)
#elif defined (__GNUC__)
    #define __Pyx_sst_abs(value) __builtin_llabs(value)
#else
    #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
#endif
static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
#define __Pyx_PyBytes_FromString        PyBytes_FromString
#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
#if PY_MAJOR_VERSION < 3
    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#else
    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
#endif
#define __Pyx_PyBytes_AsWritableString(s)     ((char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsWritableSString(s)    ((signed char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsWritableUString(s)    ((unsigned char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
#define __Pyx_PyObject_AsWritableString(s)    ((char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
#define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
#define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
#define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) {
    const Py_UNICODE *u_end = u;
    while (*u_end++) ;
    return (size_t)(u_end - u - 1);
}
#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b);
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*);
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
#define __Pyx_PySequence_Tuple(obj)\
    (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
#if CYTHON_ASSUME_SAFE_MACROS
#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
#else
#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
#endif
#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
#if PY_MAJOR_VERSION >= 3
#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x))
#else
#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x))
#endif
#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x))
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
static int __Pyx_sys_getdefaultencoding_not_ascii;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    PyObject* ascii_chars_u = NULL;
    PyObject* ascii_chars_b = NULL;
    const char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    if (strcmp(default_encoding_c, "ascii") == 0) {
        __Pyx_sys_getdefaultencoding_not_ascii = 0;
    } else {
        char ascii_chars[128];
        int c;
        for (c = 0; c < 128; c++) {
            ascii_chars[c] = c;
        }
        __Pyx_sys_getdefaultencoding_not_ascii = 1;
        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
        if (!ascii_chars_u) goto bad;
        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
        if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
            PyErr_Format(
                PyExc_ValueError,
                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
                default_encoding_c);
            goto bad;
        }
        Py_DECREF(ascii_chars_u);
        Py_DECREF(ascii_chars_b);
    }
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    Py_XDECREF(ascii_chars_u);
    Py_XDECREF(ascii_chars_b);
    return -1;
}
#endif
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
#else
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
static char* __PYX_DEFAULT_STRING_ENCODING;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    return -1;
}
#endif
#endif


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

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

/* Header.proto */
#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[] = {
  "src/wildboar/tree/_tree_builder.pyx",
  "stringsource",
  "__init__.pxd",
  "type.pxd",
  "src/wildboar/distance/_distance.pxd",
  "src/wildboar/_utils.pxd",
};
/* BufferFormatStructs.proto */
#define IS_UNSIGNED(type) (((type) -1) > 0)
struct __Pyx_StructField_;
#define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
typedef struct {
  const char* name;
  struct __Pyx_StructField_* fields;
  size_t size;
  size_t arraysize[8];
  int ndim;
  char typegroup;
  char is_unsigned;
  int flags;
} __Pyx_TypeInfo;
typedef struct __Pyx_StructField_ {
  __Pyx_TypeInfo* type;
  const char* name;
  size_t offset;
} __Pyx_StructField;
typedef struct {
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  size_t parent_offset;
} __Pyx_BufFmt_StackElem;
typedef struct {
  __Pyx_StructField root;
  __Pyx_BufFmt_StackElem* head;
  size_t fmt_offset;
  size_t new_count, enc_count;
  size_t struct_alignment;
  int is_complex;
  char enc_type;
  char new_packmode;
  char enc_packmode;
  char is_valid_array;
} __Pyx_BufFmt_Context;

/* NoFastGil.proto */
#define __Pyx_PyGILState_Ensure PyGILState_Ensure
#define __Pyx_PyGILState_Release PyGILState_Release
#define __Pyx_FastGIL_Remember()
#define __Pyx_FastGIL_Forget()
#define __Pyx_FastGilFuncInit()

/* ForceInitThreads.proto */
#ifndef __PYX_FORCE_INIT_THREADS
  #define __PYX_FORCE_INIT_THREADS 0
#endif


/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":690
 * # 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":691
 * 
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":692
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":693
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":697
 * #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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":698
 * 
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":699
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":700
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":704
 * #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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":705
 * 
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":714
 * # 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":715
 * # 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":716
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":718
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":719
 * 
 * ctypedef npy_ulong      uint_t
 * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 */
typedef npy_ulonglong __pyx_t_5numpy_ulong_t;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":720
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":722
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uintp      uintp_t
 * 
 */
typedef npy_intp __pyx_t_5numpy_intp_t;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":723
 * 
 * ctypedef npy_intp       intp_t
 * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_double     float_t
 */
typedef npy_uintp __pyx_t_5numpy_uintp_t;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":725
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":726
 * 
 * ctypedef npy_double     float_t
 * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longdouble longdouble_t
 * 
 */
typedef npy_double __pyx_t_5numpy_double_t;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":727
 * 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;
/* Declarations.proto */
#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
static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);

/* Declarations.proto */
#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
static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);


/*--- Type declarations ---*/
struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure;
struct __pyx_obj_8wildboar_8distance_9_distance_ScaledDistanceMeasure;
struct __pyx_obj_8wildboar_6_utils_RollingVariance;
struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree;
struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder;
struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder;
struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder;
struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder;
struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":729
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":730
 * 
 * ctypedef npy_cfloat      cfloat_t
 * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
 * ctypedef npy_clongdouble clongdouble_t
 * 
 */
typedef npy_cdouble __pyx_t_5numpy_cdouble_t;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":731
 * 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;

/* "../../../../../tmp/build-env-43th_ssa/lib/python3.8/site-packages/numpy/__init__.pxd":733
 * ctypedef npy_clongdouble clongdouble_t
 * 
 * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
 * 
 * cdef inline object PyArray_MultiIterNew1(a):
 */
typedef npy_cdouble __pyx_t_5numpy_complex_t;
struct __pyx_t_8wildboar_8distance_9_distance_TSView;
struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase;
struct __pyx_t_8wildboar_8distance_9_distance_TSCopy;
struct __pyx_opt_args_8wildboar_8distance_9_distance_15DistanceMeasure_ts_copy_sub_distance;
struct __pyx_opt_args_8wildboar_8distance_9_distance_new_distance_measure;

/* "distance/_distance.pxd":24
 * 
 * 
 * cdef struct TSView:             # <<<<<<<<<<<<<<
 *     Py_ssize_t index  # the index of the shapelet sample
 *     Py_ssize_t start  # the start position
 */
struct __pyx_t_8wildboar_8distance_9_distance_TSView {
  Py_ssize_t index;
  Py_ssize_t start;
  Py_ssize_t length;
  Py_ssize_t dim;
  double mean;
  double std;
  void *extra;
};

/* "distance/_distance.pxd":34
 * 
 * 
 * cdef struct TSDatabase:             # <<<<<<<<<<<<<<
 *     Py_ssize_t n_samples  # the number of samples
 *     Py_ssize_t n_timestep  # the number of timesteps
 */
struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase {
  Py_ssize_t n_samples;
  Py_ssize_t n_timestep;
  Py_ssize_t n_dims;
  double *data;
  Py_ssize_t sample_stride;
  Py_ssize_t timestep_stride;
  Py_ssize_t dim_stride;
};

/* "distance/_distance.pxd":45
 * 
 * 
 * cdef struct TSCopy:             # <<<<<<<<<<<<<<
 *     Py_ssize_t length
 *     Py_ssize_t dim
 */
struct __pyx_t_8wildboar_8distance_9_distance_TSCopy {
  Py_ssize_t length;
  Py_ssize_t dim;
  double mean;
  double std;
  int ts_index;
  int ts_start;
  double *data;
  void *extra;
};

/* "distance/_distance.pxd":102
 * 
 * 
 *     cdef double ts_copy_sub_distance(             # <<<<<<<<<<<<<<
 *         self,
 *         TSCopy *ts_copy,
 */
struct __pyx_opt_args_8wildboar_8distance_9_distance_15DistanceMeasure_ts_copy_sub_distance {
  int __pyx_n;
  Py_ssize_t *return_index;
};

/* "distance/_distance.pxd":165
 * 
 * 
 * cdef DistanceMeasure new_distance_measure(             # <<<<<<<<<<<<<<
 *     TSDatabase *td,
 *     object metric,
 */
struct __pyx_opt_args_8wildboar_8distance_9_distance_new_distance_measure {
  int __pyx_n;
  PyObject *metric_params;
};

/* "_utils.pxd":36
 *     cdef double _variance(self) nogil
 * 
 * cdef enum:             # <<<<<<<<<<<<<<
 *     RAND_R_MAX = 2147483647
 * 
 */
enum  {
  __pyx_e_8wildboar_6_utils_RAND_R_MAX = 0x7FFFFFFF
};
struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint;

/* "wildboar/tree/_tree_builder.pxd":25
 * 
 * # TODO: include impurity score...
 * cdef struct SplitPoint:             # <<<<<<<<<<<<<<
 *     Py_ssize_t split_point
 *     double threshold
 */
struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint {
  Py_ssize_t split_point;
  double threshold;
  struct __pyx_t_8wildboar_8distance_9_distance_TSView shapelet_info;
};

/* "distance/_distance.pxd":56
 * 
 * 
 * cdef class DistanceMeasure:             # <<<<<<<<<<<<<<
 *     cdef Py_ssize_t n_timestep
 * 
 */
struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure {
  PyObject_HEAD
  struct __pyx_vtabstruct_8wildboar_8distance_9_distance_DistanceMeasure *__pyx_vtab;
  Py_ssize_t n_timestep;
};


/* "distance/_distance.pxd":140
 * 
 * 
 * cdef class ScaledDistanceMeasure(DistanceMeasure):             # <<<<<<<<<<<<<<
 *     pass
 * 
 */
struct __pyx_obj_8wildboar_8distance_9_distance_ScaledDistanceMeasure {
  struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure __pyx_base;
};


/* "_utils.pxd":20
 * # Authors: Isak Samsten
 * 
 * cdef class RollingVariance:             # <<<<<<<<<<<<<<
 *     cdef double _n_samples
 *     cdef double _m
 */
struct __pyx_obj_8wildboar_6_utils_RollingVariance {
  PyObject_HEAD
  struct __pyx_vtabstruct_8wildboar_6_utils_RollingVariance *__pyx_vtab;
  double _n_samples;
  double _m;
  double _s;
  double _sum;
};


/* "wildboar/tree/_tree_builder.pxd":30
 *     TSView shapelet_info
 * 
 * cdef class Tree:             # <<<<<<<<<<<<<<
 *     cdef DistanceMeasure distance_measure
 * 
 */
struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree {
  PyObject_HEAD
  struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_Tree *__pyx_vtab;
  struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *distance_measure;
  Py_ssize_t _max_depth;
  Py_ssize_t _capacity;
  Py_ssize_t _n_labels;
  Py_ssize_t _node_count;
  int *_left;
  int *_right;
  struct __pyx_t_8wildboar_8distance_9_distance_TSCopy **_shapelets;
  double *_thresholds;
  double *_impurity;
  double *_values;
  double *_n_weighted_node_samples;
  Py_ssize_t *_n_node_samples;
};


/* "wildboar/tree/_tree_builder.pyx":417
 * 
 * 
 * cdef class ShapeletTreeBuilder:             # <<<<<<<<<<<<<<
 *     cdef size_t random_seed
 * 
 */
struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder {
  PyObject_HEAD
  struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_vtab;
  size_t random_seed;
  Py_ssize_t n_shapelets;
  Py_ssize_t min_shapelet_size;
  Py_ssize_t max_shapelet_size;
  Py_ssize_t max_depth;
  Py_ssize_t min_sample_split;
  Py_ssize_t current_node_id;
  Py_ssize_t label_stride;
  double *sample_weights;
  struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase td;
  Py_ssize_t n_samples;
  Py_ssize_t *samples;
  Py_ssize_t *samples_buffer;
  double n_weighted_samples;
  double *distance_buffer;
  struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *distance_measure;
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *tree;
};


/* "wildboar/tree/_tree_builder.pyx":778
 * 
 * 
 * cdef class ClassificationShapeletTreeBuilder(ShapeletTreeBuilder):             # <<<<<<<<<<<<<<
 *     # the number of labels
 *     cdef Py_ssize_t n_labels
 */
struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder {
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder __pyx_base;
  Py_ssize_t n_labels;
  double *label_buffer;
  double *left_label_buffer;
  double *right_label_buffer;
  Py_ssize_t *labels;
};


/* "wildboar/tree/_tree_builder.pyx":956
 * 
 * 
 * cdef class RegressionShapeletTreeBuilder(ShapeletTreeBuilder):             # <<<<<<<<<<<<<<
 *     # the (strided) array of labels
 *     cdef double *labels
 */
struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder {
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder __pyx_base;
  double *labels;
  struct __pyx_obj_8wildboar_6_utils_RollingVariance *right;
  struct __pyx_obj_8wildboar_6_utils_RollingVariance *left;
};


/* "wildboar/tree/_tree_builder.pyx":1108
 * 
 * 
 * cdef class ExtraRegressionShapeletTreeBuilder(RegressionShapeletTreeBuilder):             # <<<<<<<<<<<<<<
 * 
 *     cdef void _partition_distance_buffer(
 */
struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder {
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder __pyx_base;
};


/* "wildboar/tree/_tree_builder.pyx":1136
 * 
 * 
 * cdef class ExtraClassificationShapeletTreeBuilder(ClassificationShapeletTreeBuilder):             # <<<<<<<<<<<<<<
 * 
 *     cdef void _partition_distance_buffer(
 */
struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder {
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder __pyx_base;
};



/* "distance/_distance.pxd":56
 * 
 * 
 * cdef class DistanceMeasure:             # <<<<<<<<<<<<<<
 *     cdef Py_ssize_t n_timestep
 * 
 */

struct __pyx_vtabstruct_8wildboar_8distance_9_distance_DistanceMeasure {
  int (*init)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase *);
  int (*init_ts_view)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase *, struct __pyx_t_8wildboar_8distance_9_distance_TSView *, Py_ssize_t, Py_ssize_t, Py_ssize_t, Py_ssize_t);
  int (*init_ts_copy_from_ndarray)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *, PyArrayObject *, Py_ssize_t);
  int (*init_ts_copy)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *, struct __pyx_t_8wildboar_8distance_9_distance_TSView *, struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase *);
  int (*ts_copy_sub_matches)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *, struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase *, Py_ssize_t, double, Py_ssize_t **, double **, Py_ssize_t *);
  double (*ts_copy_sub_distance)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *, struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase *, Py_ssize_t, struct __pyx_opt_args_8wildboar_8distance_9_distance_15DistanceMeasure_ts_copy_sub_distance *__pyx_optional_args);
  double (*ts_view_sub_distance)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, struct __pyx_t_8wildboar_8distance_9_distance_TSView *, struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase *, Py_ssize_t);
  void (*ts_view_sub_distances)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, struct __pyx_t_8wildboar_8distance_9_distance_TSView *, struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase *, Py_ssize_t *, double *, Py_ssize_t);
  double (*ts_copy_distance)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *, struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase *, Py_ssize_t);
  int (*support_unaligned)(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *);
};
static struct __pyx_vtabstruct_8wildboar_8distance_9_distance_DistanceMeasure *__pyx_vtabptr_8wildboar_8distance_9_distance_DistanceMeasure;


/* "distance/_distance.pxd":140
 * 
 * 
 * cdef class ScaledDistanceMeasure(DistanceMeasure):             # <<<<<<<<<<<<<<
 *     pass
 * 
 */

struct __pyx_vtabstruct_8wildboar_8distance_9_distance_ScaledDistanceMeasure {
  struct __pyx_vtabstruct_8wildboar_8distance_9_distance_DistanceMeasure __pyx_base;
};
static struct __pyx_vtabstruct_8wildboar_8distance_9_distance_ScaledDistanceMeasure *__pyx_vtabptr_8wildboar_8distance_9_distance_ScaledDistanceMeasure;


/* "_utils.pxd":20
 * # Authors: Isak Samsten
 * 
 * cdef class RollingVariance:             # <<<<<<<<<<<<<<
 *     cdef double _n_samples
 *     cdef double _m
 */

struct __pyx_vtabstruct_8wildboar_6_utils_RollingVariance {
  void (*_reset)(struct __pyx_obj_8wildboar_6_utils_RollingVariance *);
  void (*_add)(struct __pyx_obj_8wildboar_6_utils_RollingVariance *, double, double);
  void (*_remove)(struct __pyx_obj_8wildboar_6_utils_RollingVariance *, double, double);
  double (*_mean)(struct __pyx_obj_8wildboar_6_utils_RollingVariance *);
  double (*_variance)(struct __pyx_obj_8wildboar_6_utils_RollingVariance *);
};
static struct __pyx_vtabstruct_8wildboar_6_utils_RollingVariance *__pyx_vtabptr_8wildboar_6_utils_RollingVariance;


/* "wildboar/tree/_tree_builder.pyx":100
 * 
 * 
 * cdef class Tree:             # <<<<<<<<<<<<<<
 *     def __cinit__(
 *         self,
 */

struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_Tree {
  int (*_increase_capacity)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *);
  int (*add_leaf_node)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *, int, int, Py_ssize_t, double);
  void (*set_leaf_value)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *, Py_ssize_t, Py_ssize_t, double);
  int (*add_branch_node)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *, int, int, Py_ssize_t, double, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *, double, double);
  PyArrayObject *(*predict)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *, PyObject *, int __pyx_skip_dispatch);
  PyArrayObject *(*apply)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *, PyObject *, int __pyx_skip_dispatch);
  PyArrayObject *(*decision_path)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *, PyObject *, int __pyx_skip_dispatch);
};
static struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_Tree *__pyx_vtabptr_8wildboar_4tree_13_tree_builder_Tree;


/* "wildboar/tree/_tree_builder.pyx":417
 * 
 * 
 * cdef class ShapeletTreeBuilder:             # <<<<<<<<<<<<<<
 *     cdef size_t random_seed
 * 
 */

struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder {
  int (*build_tree)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *, int __pyx_skip_dispatch);
  Py_ssize_t (*new_leaf_node)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *, Py_ssize_t, Py_ssize_t, int, int);
  Py_ssize_t (*new_branch_node)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *, Py_ssize_t, Py_ssize_t, struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *, int, int);
  int (*_is_pre_pruned)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *, Py_ssize_t, Py_ssize_t);
  Py_ssize_t (*_build_tree)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *, Py_ssize_t, Py_ssize_t, Py_ssize_t, int, int, Py_ssize_t *);
  struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint (*_split)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *, Py_ssize_t, Py_ssize_t);
  int (*_sample_shapelet)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *, struct __pyx_t_8wildboar_8distance_9_distance_TSView *, Py_ssize_t, Py_ssize_t);
  void (*_partition_distance_buffer)(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *, Py_ssize_t, Py_ssize_t, Py_ssize_t *, double *, double *);
};
static struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_vtabptr_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder;


/* "wildboar/tree/_tree_builder.pyx":778
 * 
 * 
 * cdef class ClassificationShapeletTreeBuilder(ShapeletTreeBuilder):             # <<<<<<<<<<<<<<
 *     # the number of labels
 *     cdef Py_ssize_t n_labels
 */

struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder {
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static struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_vtabptr_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder;


/* "wildboar/tree/_tree_builder.pyx":956
 * 
 * 
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 */

struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder {
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static struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_vtabptr_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder;


/* "wildboar/tree/_tree_builder.pyx":1108
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 * 
 * cdef class ExtraRegressionShapeletTreeBuilder(RegressionShapeletTreeBuilder):             # <<<<<<<<<<<<<<
 * 
 *     cdef void _partition_distance_buffer(
 */

struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder {
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static struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder *__pyx_vtabptr_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder;


/* "wildboar/tree/_tree_builder.pyx":1136
 * 
 * 
 * cdef class ExtraClassificationShapeletTreeBuilder(ClassificationShapeletTreeBuilder):             # <<<<<<<<<<<<<<
 * 
 *     cdef void _partition_distance_buffer(
 */

struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder {
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static struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder *__pyx_vtabptr_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder;

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static PyArrayObject *__pyx_f_8wildboar_4tree_13_tree_builder_4Tree_predict(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, PyObject *__pyx_v_X, int __pyx_skip_dispatch); /* proto*/
static PyArrayObject *__pyx_f_8wildboar_4tree_13_tree_builder_4Tree_apply(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, PyObject *__pyx_v_X, int __pyx_skip_dispatch); /* proto*/
static PyArrayObject *__pyx_f_8wildboar_4tree_13_tree_builder_4Tree_decision_path(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, PyObject *__pyx_v_X, int __pyx_skip_dispatch); /* proto*/
static int __pyx_f_8wildboar_4tree_13_tree_builder_4Tree_add_leaf_node(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, int __pyx_v_parent, int __pyx_v_is_left, Py_ssize_t __pyx_v_n_node_samples, double __pyx_v_n_weighted_node_samples); /* proto*/
static void __pyx_f_8wildboar_4tree_13_tree_builder_4Tree_set_leaf_value(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, Py_ssize_t __pyx_v_node_id, Py_ssize_t __pyx_v_out_label, double __pyx_v_out_value); /* proto*/
static int __pyx_f_8wildboar_4tree_13_tree_builder_4Tree_add_branch_node(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, int __pyx_v_parent, int __pyx_v_is_left, Py_ssize_t __pyx_v_n_node_samples, double __pyx_v_n_weighted_node_samples, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *__pyx_v_shapelet, double __pyx_v_threshold, double __pyx_v_impurity); /* proto*/
static int __pyx_f_8wildboar_4tree_13_tree_builder_4Tree__increase_capacity(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto*/
static int __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_build_tree(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_new_leaf_node(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED Py_ssize_t __pyx_v_start, CYTHON_UNUSED Py_ssize_t __pyx_v_end, CYTHON_UNUSED int __pyx_v_parent, CYTHON_UNUSED int __pyx_v_is_left); /* proto*/
static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_new_branch_node(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint __pyx_v_sp, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *__pyx_v_shapelet, int __pyx_v_parent, int __pyx_v_is_left); /* proto*/
static int __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder__is_pre_pruned(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED Py_ssize_t __pyx_v_start, CYTHON_UNUSED Py_ssize_t __pyx_v_end); /* proto*/
static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder__build_tree(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, Py_ssize_t __pyx_v_depth, int __pyx_v_parent, int __pyx_v_is_left, Py_ssize_t *__pyx_v_max_depth); /* proto*/
static struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder__split(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end); /* proto*/
static int __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder__sample_shapelet(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, struct __pyx_t_8wildboar_8distance_9_distance_TSView *__pyx_v_shapelet_info, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end); /* proto*/
static void __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder__partition_distance_buffer(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED Py_ssize_t __pyx_v_start, CYTHON_UNUSED Py_ssize_t __pyx_v_end, CYTHON_UNUSED Py_ssize_t *__pyx_v_split_point, CYTHON_UNUSED double *__pyx_v_threshold, CYTHON_UNUSED double *__pyx_v_impurity); /* proto*/
static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder_new_leaf_node(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, int __pyx_v_parent, int __pyx_v_is_left); /* proto*/
static int __pyx_f_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder__is_pre_pruned(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end); /* proto*/
static void __pyx_f_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder__partition_distance_buffer(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, Py_ssize_t *__pyx_v_split_point, double *__pyx_v_threshold, double *__pyx_v_impurity); /* proto*/
static int __pyx_f_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder__is_pre_pruned(struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end); /* proto*/
static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder_new_leaf_node(struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, int __pyx_v_parent, int __pyx_v_is_left); /* proto*/
static void __pyx_f_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder__partition_distance_buffer(struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, Py_ssize_t *__pyx_v_split_point, double *__pyx_v_threshold, double *__pyx_v_impurity); /* proto*/
static void __pyx_f_8wildboar_4tree_13_tree_builder_34ExtraRegressionShapeletTreeBuilder__partition_distance_buffer(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, Py_ssize_t *__pyx_v_split_point, double *__pyx_v_threshold, double *__pyx_v_impurity); /* proto*/
static void __pyx_f_8wildboar_4tree_13_tree_builder_38ExtraClassificationShapeletTreeBuilder__partition_distance_buffer(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, Py_ssize_t *__pyx_v_split_point, double *__pyx_v_threshold, double *__pyx_v_impurity); /* proto*/

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/* Module declarations from 'cpython' */

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static void (*__pyx_f_8wildboar_8distance_9_distance_ts_view_init)(struct __pyx_t_8wildboar_8distance_9_distance_TSView *); /*proto*/
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static void (*__pyx_f_8wildboar_8distance_9_distance_ts_copy_free)(struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *); /*proto*/
static struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *(*__pyx_f_8wildboar_8distance_9_distance_new_distance_measure)(struct __pyx_t_8wildboar_8distance_9_distance_TSDatabase *, PyObject *, struct __pyx_opt_args_8wildboar_8distance_9_distance_new_distance_measure *__pyx_optional_args); /*proto*/

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/* Module declarations from 'wildboar.tree._impurity' */
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static PyTypeObject *__pyx_ptype_8wildboar_6_utils_RollingVariance = 0;
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/* Module declarations from 'wildboar.tree._tree_builder' */
static PyTypeObject *__pyx_ptype_8wildboar_4tree_13_tree_builder_Tree = 0;
static PyTypeObject *__pyx_ptype_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder = 0;
static PyTypeObject *__pyx_ptype_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder = 0;
static PyTypeObject *__pyx_ptype_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder = 0;
static PyTypeObject *__pyx_ptype_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder = 0;
static PyTypeObject *__pyx_ptype_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder = 0;
static struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_f_8wildboar_4tree_13_tree_builder__make_tree(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *, Py_ssize_t, PyObject *, PyArrayObject *, PyArrayObject *, PyArrayObject *, PyArrayObject *, PyArrayObject *, PyArrayObject *, PyArrayObject *, int __pyx_skip_dispatch); /*proto*/
static CYTHON_INLINE struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint __pyx_f_8wildboar_4tree_13_tree_builder_new_split_point(Py_ssize_t, double, struct __pyx_t_8wildboar_8distance_9_distance_TSView); /*proto*/
static __Pyx_TypeInfo __Pyx_TypeInfo_nn_npy_intp = { "npy_intp", NULL, sizeof(npy_intp), { 0 }, 0, IS_UNSIGNED(npy_intp) ? 'U' : 'I', IS_UNSIGNED(npy_intp), 0 };
#define __Pyx_MODULE_NAME "wildboar.tree._tree_builder"
extern int __pyx_module_is_main_wildboar__tree___tree_builder;
int __pyx_module_is_main_wildboar__tree___tree_builder = 0;

/* Implementation of 'wildboar.tree._tree_builder' */
static PyObject *__pyx_builtin_range;
static PyObject *__pyx_builtin_ValueError;
static PyObject *__pyx_builtin_MemoryError;
static PyObject *__pyx_builtin_print;
static PyObject *__pyx_builtin_NotImplementedError;
static PyObject *__pyx_builtin_TypeError;
static PyObject *__pyx_builtin_ImportError;
static const char __pyx_k_X[] = "X";
static const char __pyx_k_c[] = "c";
static const char __pyx_k_y[] = "y";
static const char __pyx_k_np[] = "np";
static const char __pyx_k_int[] = "int";
static const char __pyx_k_Tree[] = "Tree";
static const char __pyx_k_axis[] = "axis";
static const char __pyx_k_clip[] = "clip";
static const char __pyx_k_intp[] = "intp";
static const char __pyx_k_left[] = "left";
static const char __pyx_k_main[] = "__main__";
static const char __pyx_k_mode[] = "mode";
static const char __pyx_k_name[] = "__name__";
static const char __pyx_k_take[] = "take";
static const char __pyx_k_test[] = "__test__";
static const char __pyx_k_apply[] = "apply";
static const char __pyx_k_dtype[] = "dtype";
static const char __pyx_k_empty[] = "empty";
static const char __pyx_k_numpy[] = "numpy";
static const char __pyx_k_order[] = "order";
static const char __pyx_k_print[] = "print";
static const char __pyx_k_range[] = "range";
static const char __pyx_k_right[] = "right";
static const char __pyx_k_shape[] = "shape";
static const char __pyx_k_value[] = "value";
static const char __pyx_k_zeros[] = "zeros";
static const char __pyx_k_import[] = "__import__";
static const char __pyx_k_metric[] = "metric";
static const char __pyx_k_reduce[] = "__reduce__";
static const char __pyx_k_float64[] = "float64";
static const char __pyx_k_predict[] = "predict";
static const char __pyx_k_randint[] = "randint";
static const char __pyx_k_reshape[] = "reshape";
static const char __pyx_k_capacity[] = "capacity";
static const char __pyx_k_getstate[] = "__getstate__";
static const char __pyx_k_impurity[] = "impurity";
static const char __pyx_k_itemsize[] = "itemsize";
static const char __pyx_k_n_labels[] = "n_labels";
static const char __pyx_k_setstate[] = "__setstate__";
static const char __pyx_k_shapelet[] = "shapelet";
static const char __pyx_k_TypeError[] = "TypeError";
static const char __pyx_k_make_tree[] = "_make_tree";
static const char __pyx_k_max_depth[] = "max_depth";
static const char __pyx_k_reduce_ex[] = "__reduce_ex__";
static const char __pyx_k_shapelets[] = "shapelets";
static const char __pyx_k_threshold[] = "threshold";
static const char __pyx_k_ValueError[] = "ValueError";
static const char __pyx_k_build_tree[] = "build_tree";
static const char __pyx_k_node_count[] = "node_count";
static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
static const char __pyx_k_ImportError[] = "ImportError";
static const char __pyx_k_MemoryError[] = "MemoryError";
static const char __pyx_k_n_shapelets[] = "n_shapelets";
static const char __pyx_k_random_state[] = "random_state";
static const char __pyx_k_decision_path[] = "decision_path";
static const char __pyx_k_metric_params[] = "metric_params";
static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
static const char __pyx_k_n_node_samples[] = "n_node_samples";
static const char __pyx_k_sample_weights[] = "sample_weights";
static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
static const char __pyx_k_distance_measure[] = "distance_measure";
static const char __pyx_k_min_sample_split[] = "min_sample_split";
static const char __pyx_k_max_shapelet_size[] = "max_shapelet_size";
static const char __pyx_k_min_shapelet_size[] = "min_shapelet_size";
static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
static const char __pyx_k_NotImplementedError[] = "NotImplementedError";
static const char __pyx_k_ShapeletTreeBuilder[] = "ShapeletTreeBuilder";
static const char __pyx_k_n_weighted_node_samples[] = "n_weighted_node_samples";
static const char __pyx_k_X_should_be_np_ndarray_got[] = "X should be np.ndarray, got ";
static const char __pyx_k_RegressionShapeletTreeBuilder[] = "RegressionShapeletTreeBuilder";
static const char __pyx_k_numpy_core_multiarray_failed_to[] = "numpy.core.multiarray failed to import";
static const char __pyx_k_ClassificationShapeletTreeBuilde[] = "ClassificationShapeletTreeBuilder";
static const char __pyx_k_ExtraClassificationShapeletTreeB[] = "ExtraClassificationShapeletTreeBuilder";
static const char __pyx_k_ExtraRegressionShapeletTreeBuild[] = "ExtraRegressionShapeletTreeBuilder";
static const char __pyx_k_no_default___reduce___due_to_non[] = "no default __reduce__ due to non-trivial __cinit__";
static const char __pyx_k_numpy_core_umath_failed_to_impor[] = "numpy.core.umath failed to import";
static const char __pyx_k_warn_split_point_outside_allowed[] = "warn: split point outside allowed range. This is a bug. Please report me.";
static PyObject *__pyx_n_s_ClassificationShapeletTreeBuilde;
static PyObject *__pyx_n_s_ExtraClassificationShapeletTreeB;
static PyObject *__pyx_n_s_ExtraRegressionShapeletTreeBuild;
static PyObject *__pyx_n_s_ImportError;
static PyObject *__pyx_n_s_MemoryError;
static PyObject *__pyx_n_s_NotImplementedError;
static PyObject *__pyx_n_s_RegressionShapeletTreeBuilder;
static PyObject *__pyx_n_s_ShapeletTreeBuilder;
static PyObject *__pyx_n_s_Tree;
static PyObject *__pyx_n_s_TypeError;
static PyObject *__pyx_n_s_ValueError;
static PyObject *__pyx_n_s_X;
static PyObject *__pyx_kp_u_X_should_be_np_ndarray_got;
static PyObject *__pyx_n_s_apply;
static PyObject *__pyx_n_s_axis;
static PyObject *__pyx_n_s_build_tree;
static PyObject *__pyx_n_u_c;
static PyObject *__pyx_n_s_capacity;
static PyObject *__pyx_n_s_cline_in_traceback;
static PyObject *__pyx_n_u_clip;
static PyObject *__pyx_n_s_decision_path;
static PyObject *__pyx_n_s_distance_measure;
static PyObject *__pyx_n_s_dtype;
static PyObject *__pyx_n_s_empty;
static PyObject *__pyx_n_s_float64;
static PyObject *__pyx_n_s_getstate;
static PyObject *__pyx_n_s_import;
static PyObject *__pyx_n_s_impurity;
static PyObject *__pyx_n_s_int;
static PyObject *__pyx_n_s_intp;
static PyObject *__pyx_n_s_itemsize;
static PyObject *__pyx_n_s_left;
static PyObject *__pyx_n_s_main;
static PyObject *__pyx_n_s_make_tree;
static PyObject *__pyx_n_s_max_depth;
static PyObject *__pyx_n_s_max_shapelet_size;
static PyObject *__pyx_n_s_metric;
static PyObject *__pyx_n_s_metric_params;
static PyObject *__pyx_n_s_min_sample_split;
static PyObject *__pyx_n_s_min_shapelet_size;
static PyObject *__pyx_n_s_mode;
static PyObject *__pyx_n_s_n_labels;
static PyObject *__pyx_n_s_n_node_samples;
static PyObject *__pyx_n_s_n_shapelets;
static PyObject *__pyx_n_s_n_weighted_node_samples;
static PyObject *__pyx_n_s_name;
static PyObject *__pyx_kp_s_no_default___reduce___due_to_non;
static PyObject *__pyx_n_s_node_count;
static PyObject *__pyx_n_s_np;
static PyObject *__pyx_n_s_numpy;
static PyObject *__pyx_kp_u_numpy_core_multiarray_failed_to;
static PyObject *__pyx_kp_u_numpy_core_umath_failed_to_impor;
static PyObject *__pyx_n_s_order;
static PyObject *__pyx_n_s_predict;
static PyObject *__pyx_n_s_print;
static PyObject *__pyx_n_s_pyx_vtable;
static PyObject *__pyx_n_s_randint;
static PyObject *__pyx_n_s_random_state;
static PyObject *__pyx_n_s_range;
static PyObject *__pyx_n_s_reduce;
static PyObject *__pyx_n_s_reduce_cython;
static PyObject *__pyx_n_s_reduce_ex;
static PyObject *__pyx_n_s_reshape;
static PyObject *__pyx_n_s_right;
static PyObject *__pyx_n_s_sample_weights;
static PyObject *__pyx_n_s_setstate;
static PyObject *__pyx_n_s_setstate_cython;
static PyObject *__pyx_n_s_shape;
static PyObject *__pyx_n_s_shapelet;
static PyObject *__pyx_n_s_shapelets;
static PyObject *__pyx_n_s_take;
static PyObject *__pyx_n_s_test;
static PyObject *__pyx_n_s_threshold;
static PyObject *__pyx_n_s_value;
static PyObject *__pyx_kp_u_warn_split_point_outside_allowed;
static PyObject *__pyx_n_s_y;
static PyObject *__pyx_n_s_zeros;
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder__make_tree(CYTHON_UNUSED PyObject *__pyx_self, struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *__pyx_v_distance_measure, Py_ssize_t __pyx_v_n_labels, PyObject *__pyx_v_shapelets, PyArrayObject *__pyx_v_threshold, PyArrayObject *__pyx_v_value, PyArrayObject *__pyx_v_left, PyArrayObject *__pyx_v_right, PyArrayObject *__pyx_v_impurity, PyArrayObject *__pyx_v_n_node_samples, PyArrayObject *__pyx_v_n_weighted_node_samples); /* proto */
static int __pyx_pf_8wildboar_4tree_13_tree_builder_4Tree___cinit__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *__pyx_v_distance_measure, Py_ssize_t __pyx_v_n_labels, Py_ssize_t __pyx_v_capacity); /* proto */
static void __pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_2__dealloc__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_4__reduce__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_9max_depth___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_5value___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_8shapelet___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_14n_node_samples___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_23n_weighted_node_samples___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_4left___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_5right___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_9threshold___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_8impurity___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_6predict(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_8apply(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_10decision_path(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_4Tree_10node_count___get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self); /* proto */
static int __pyx_pf_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder___cinit__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_n_shapelets, Py_ssize_t __pyx_v_min_shapelet_size, Py_ssize_t __pyx_v_max_shapelet_size, Py_ssize_t __pyx_v_max_depth, Py_ssize_t __pyx_v_min_sample_split, PyObject *__pyx_v_metric, PyObject *__pyx_v_metric_params, PyArrayObject *__pyx_v_X, PyArrayObject *__pyx_v_y, PyArrayObject *__pyx_v_sample_weights, PyObject *__pyx_v_random_state, CYTHON_UNUSED PyObject *__pyx_v_args, CYTHON_UNUSED PyObject *__pyx_v_kwargs); /* proto */
static void __pyx_pf_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_2__dealloc__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_5tree____get__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_4build_tree(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_6__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_8__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
static int __pyx_pf_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder___cinit__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED Py_ssize_t __pyx_v_n_shapelets, CYTHON_UNUSED Py_ssize_t __pyx_v_min_shapelet_size, CYTHON_UNUSED Py_ssize_t __pyx_v_max_shapelet_size, CYTHON_UNUSED Py_ssize_t __pyx_v_max_depth, CYTHON_UNUSED Py_ssize_t __pyx_v_min_sample_split, CYTHON_UNUSED PyObject *__pyx_v_metric, CYTHON_UNUSED PyObject *__pyx_v_metric_params, CYTHON_UNUSED PyArrayObject *__pyx_v_X, PyArrayObject *__pyx_v_y, CYTHON_UNUSED PyArrayObject *__pyx_v_sample_weights, CYTHON_UNUSED PyObject *__pyx_v_random_state, Py_ssize_t __pyx_v_n_labels); /* proto */
static void __pyx_pf_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder_2__dealloc__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder_4__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder_6__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
static int __pyx_pf_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder___cinit__(struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED Py_ssize_t __pyx_v_n_shapelets, CYTHON_UNUSED Py_ssize_t __pyx_v_min_shapelet_size, CYTHON_UNUSED Py_ssize_t __pyx_v_max_shapelet_size, CYTHON_UNUSED Py_ssize_t __pyx_v_max_depth, CYTHON_UNUSED Py_ssize_t __pyx_v_min_sample_split, CYTHON_UNUSED PyObject *__pyx_v_metric, CYTHON_UNUSED PyObject *__pyx_v_metric_params, CYTHON_UNUSED PyArrayObject *__pyx_v_X, PyArrayObject *__pyx_v_y, CYTHON_UNUSED PyArrayObject *__pyx_v_sample_weights, CYTHON_UNUSED PyObject *__pyx_v_random_state); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder_2__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder_4__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_34ExtraRegressionShapeletTreeBuilder___reduce_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_34ExtraRegressionShapeletTreeBuilder_2__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_38ExtraClassificationShapeletTreeBuilder___reduce_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_8wildboar_4tree_13_tree_builder_38ExtraClassificationShapeletTreeBuilder_2__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
static PyObject *__pyx_tp_new_8wildboar_4tree_13_tree_builder_Tree(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_8wildboar_4tree_13_tree_builder_ExtraRegressionShapeletTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_8wildboar_4tree_13_tree_builder_ExtraClassificationShapeletTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_float_0_0;
static PyObject *__pyx_int_0;
static PyObject *__pyx_int_1;
static PyObject *__pyx_int_neg_1;
static PyObject *__pyx_tuple_;
static PyObject *__pyx_tuple__2;
static PyObject *__pyx_tuple__3;
static PyObject *__pyx_tuple__4;
static PyObject *__pyx_tuple__5;
static PyObject *__pyx_tuple__6;
static PyObject *__pyx_tuple__7;
static PyObject *__pyx_tuple__8;
static PyObject *__pyx_tuple__9;
static PyObject *__pyx_tuple__10;
static PyObject *__pyx_tuple__11;
static PyObject *__pyx_tuple__12;
static PyObject *__pyx_tuple__13;
/* Late includes */

/* "wildboar/tree/_tree_builder.pyx":59
 * 
 * 
 * cpdef Tree _make_tree(             # <<<<<<<<<<<<<<
 *     DistanceMeasure distance_measure,
 *     Py_ssize_t n_labels,
 */

static PyObject *__pyx_pw_8wildboar_4tree_13_tree_builder_1_make_tree(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_f_8wildboar_4tree_13_tree_builder__make_tree(struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *__pyx_v_distance_measure, Py_ssize_t __pyx_v_n_labels, PyObject *__pyx_v_shapelets, PyArrayObject *__pyx_v_threshold, PyArrayObject *__pyx_v_value, PyArrayObject *__pyx_v_left, PyArrayObject *__pyx_v_right, PyArrayObject *__pyx_v_impurity, PyArrayObject *__pyx_v_n_node_samples, PyArrayObject *__pyx_v_n_weighted_node_samples, CYTHON_UNUSED int __pyx_skip_dispatch) {
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    __pyx_t_2 = (__pyx_v_is_left != 0);
    if (__pyx_t_2) {

      /* "wildboar/tree/_tree_builder.pyx":360
 *         if parent != -1:
 *             if is_left:
 *                 self._left[parent] = node_id             # <<<<<<<<<<<<<<
 *             else:
 *                 self._right[parent] = node_id
 */
      (__pyx_v_self->_left[__pyx_v_parent]) = __pyx_v_node_id;

      /* "wildboar/tree/_tree_builder.pyx":359
 *         self._shapelets[node_id] = shapelet
 *         if parent != -1:
 *             if is_left:             # <<<<<<<<<<<<<<
 *                 self._left[parent] = node_id
 *             else:
 */
      goto __pyx_L6;
    }

    /* "wildboar/tree/_tree_builder.pyx":362
 *                 self._left[parent] = node_id
 *             else:
 *                 self._right[parent] = node_id             # <<<<<<<<<<<<<<
 * 
 *         self._node_count += 1
 */
    /*else*/ {
      (__pyx_v_self->_right[__pyx_v_parent]) = __pyx_v_node_id;
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    __pyx_L6:;

    /* "wildboar/tree/_tree_builder.pyx":358
 *         self._thresholds[node_id] = threshold
 *         self._shapelets[node_id] = shapelet
 *         if parent != -1:             # <<<<<<<<<<<<<<
 *             if is_left:
 *                 self._left[parent] = node_id
 */
  }

  /* "wildboar/tree/_tree_builder.pyx":364
 *                 self._right[parent] = node_id
 * 
 *         self._node_count += 1             # <<<<<<<<<<<<<<
 *         return node_id
 * 
 */
  __pyx_v_self->_node_count = (__pyx_v_self->_node_count + 1);

  /* "wildboar/tree/_tree_builder.pyx":365
 * 
 *         self._node_count += 1
 *         return node_id             # <<<<<<<<<<<<<<
 * 
 *     cdef int _increase_capacity(self) nogil except -1:
 */
  __pyx_r = __pyx_v_node_id;
  goto __pyx_L0;

  /* "wildboar/tree/_tree_builder.pyx":338
 *         self._values[out_label + node_id * self._n_labels] = out_value
 * 
 *     cdef int add_branch_node(             # <<<<<<<<<<<<<<
 *         self,
 *         int parent,
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("wildboar.tree._tree_builder.Tree.add_branch_node", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 1);
  __pyx_r = 0;
  __pyx_L0:;
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}

/* "wildboar/tree/_tree_builder.pyx":367
 *         return node_id
 * 
 *     cdef int _increase_capacity(self) nogil except -1:             # <<<<<<<<<<<<<<
 *         cdef Py_ssize_t new_capacity = self._node_count * 2
 *         cdef int ret
 */

static int __pyx_f_8wildboar_4tree_13_tree_builder_4Tree__increase_capacity(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *__pyx_v_self) {
  Py_ssize_t __pyx_v_new_capacity;
  int __pyx_v_ret;
  int __pyx_r;
  int __pyx_t_1;
  int __pyx_t_2;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;

  /* "wildboar/tree/_tree_builder.pyx":368
 * 
 *     cdef int _increase_capacity(self) nogil except -1:
 *         cdef Py_ssize_t new_capacity = self._node_count * 2             # <<<<<<<<<<<<<<
 *         cdef int ret
 *         ret = safe_realloc(<void**> &self._shapelets, sizeof(TSCopy) * new_capacity)
 */
  __pyx_v_new_capacity = (__pyx_v_self->_node_count * 2);

  /* "wildboar/tree/_tree_builder.pyx":370
 *         cdef Py_ssize_t new_capacity = self._node_count * 2
 *         cdef int ret
 *         ret = safe_realloc(<void**> &self._shapelets, sizeof(TSCopy) * new_capacity)             # <<<<<<<<<<<<<<
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 */
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 *         cdef int ret
 *         ret = safe_realloc(<void**> &self._shapelets, sizeof(TSCopy) * new_capacity)
 *         if ret == -1:             # <<<<<<<<<<<<<<
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 * 
 */
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    /* "wildboar/tree/_tree_builder.pyx":372
 *         ret = safe_realloc(<void**> &self._shapelets, sizeof(TSCopy) * new_capacity)
 *         if ret == -1:
 *             return -1             # <<<<<<<<<<<<<<
 * 
 *         ret = safe_realloc(<void**> &self._thresholds, sizeof(double) * new_capacity)
 */
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    /* "wildboar/tree/_tree_builder.pyx":371
 *         cdef int ret
 *         ret = safe_realloc(<void**> &self._shapelets, sizeof(TSCopy) * new_capacity)
 *         if ret == -1:             # <<<<<<<<<<<<<<
 *             return -1
 * 
 */
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  /* "wildboar/tree/_tree_builder.pyx":374
 *             return -1
 * 
 *         ret = safe_realloc(<void**> &self._thresholds, sizeof(double) * new_capacity)             # <<<<<<<<<<<<<<
 *         if ret == -1:
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 */
  __pyx_t_1 = __pyx_f_8wildboar_6_utils_safe_realloc(((void **)(&__pyx_v_self->_thresholds)), ((sizeof(double)) * __pyx_v_new_capacity)); if (unlikely(__pyx_t_1 == ((int)-1))) __PYX_ERR(0, 374, __pyx_L1_error)
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  /* "wildboar/tree/_tree_builder.pyx":375
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 *         ret = safe_realloc(<void**> &self._thresholds, sizeof(double) * new_capacity)
 *         if ret == -1:             # <<<<<<<<<<<<<<
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 */
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    /* "wildboar/tree/_tree_builder.pyx":376
 *         ret = safe_realloc(<void**> &self._thresholds, sizeof(double) * new_capacity)
 *         if ret == -1:
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 * 
 *         ret = safe_realloc(<void**> &self._impurity, sizeof(double) * new_capacity)
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    /* "wildboar/tree/_tree_builder.pyx":375
 * 
 *         ret = safe_realloc(<void**> &self._thresholds, sizeof(double) * new_capacity)
 *         if ret == -1:             # <<<<<<<<<<<<<<
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 * 
 */
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 *             return -1
 * 
 *         ret = safe_realloc(<void**> &self._impurity, sizeof(double) * new_capacity)             # <<<<<<<<<<<<<<
 *         if ret == -1:
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 */
  __pyx_t_1 = __pyx_f_8wildboar_6_utils_safe_realloc(((void **)(&__pyx_v_self->_impurity)), ((sizeof(double)) * __pyx_v_new_capacity)); if (unlikely(__pyx_t_1 == ((int)-1))) __PYX_ERR(0, 378, __pyx_L1_error)
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  /* "wildboar/tree/_tree_builder.pyx":379
 * 
 *         ret = safe_realloc(<void**> &self._impurity, sizeof(double) * new_capacity)
 *         if ret == -1:             # <<<<<<<<<<<<<<
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 * 
 */
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    /* "wildboar/tree/_tree_builder.pyx":380
 *         ret = safe_realloc(<void**> &self._impurity, sizeof(double) * new_capacity)
 *         if ret == -1:
 *             return -1             # <<<<<<<<<<<<<<
 * 
 *         ret = safe_realloc(<void**> &self._n_node_samples, sizeof(double) * new_capacity)
 */
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    /* "wildboar/tree/_tree_builder.pyx":379
 * 
 *         ret = safe_realloc(<void**> &self._impurity, sizeof(double) * new_capacity)
 *         if ret == -1:             # <<<<<<<<<<<<<<
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 */
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 * 
 *         ret = safe_realloc(<void**> &self._n_node_samples, sizeof(double) * new_capacity)             # <<<<<<<<<<<<<<
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 *         ret = safe_realloc(<void**> &self._n_node_samples, sizeof(double) * new_capacity)
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 */
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 *         ret = safe_realloc(<void**> &self._n_node_samples, sizeof(double) * new_capacity)
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 * 
 */
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 * 
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 */
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 *         if ret == -1:
 *             return -1             # <<<<<<<<<<<<<<
 * 
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 */
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    /* "wildboar/tree/_tree_builder.pyx":387
 * 
 *         ret = safe_realloc(<void**> &self._n_weighted_node_samples, sizeof(Py_ssize_t) * new_capacity)
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 * 
 */
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 * 
 *         ret = safe_realloc(<void**> &self._values, sizeof(double) * self._n_labels * new_capacity)             # <<<<<<<<<<<<<<
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 */
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 *         ret = safe_realloc(<void**> &self._values, sizeof(double) * self._n_labels * new_capacity)
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 */
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 *         ret = safe_realloc(<void**> &self._left, sizeof(Py_ssize_t) * new_capacity)
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 */
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 * 
 *         ret = safe_realloc(<void**> &self._right, sizeof(Py_ssize_t) * new_capacity)             # <<<<<<<<<<<<<<
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}

/* "wildboar/tree/_tree_builder.pyx":530
 *         return root_node_id
 * 
 *     cdef Py_ssize_t new_leaf_node(             # <<<<<<<<<<<<<<
 *         self,
 *         Py_ssize_t start,
 */

static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_new_leaf_node(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED Py_ssize_t __pyx_v_start, CYTHON_UNUSED Py_ssize_t __pyx_v_end, CYTHON_UNUSED int __pyx_v_parent, CYTHON_UNUSED int __pyx_v_is_left) {
  Py_ssize_t __pyx_r;

  /* function exit code */
  __pyx_r = 0;
  return __pyx_r;
}

/* "wildboar/tree/_tree_builder.pyx":539
 *         pass
 * 
 *     cdef Py_ssize_t new_branch_node(             # <<<<<<<<<<<<<<
 *         self,
 *         Py_ssize_t start,
 */

static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_new_branch_node(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint __pyx_v_sp, struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *__pyx_v_shapelet, int __pyx_v_parent, int __pyx_v_is_left) {
  Py_ssize_t __pyx_v_node_id;
  Py_ssize_t __pyx_r;

  /* "wildboar/tree/_tree_builder.pyx":549
 *     ) nogil:
 *         cdef Py_ssize_t node_id
 *         node_id = self.tree.add_branch_node(             # <<<<<<<<<<<<<<
 *             parent,
 *             is_left,
 */
  __pyx_v_node_id = ((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_Tree *)__pyx_v_self->tree->__pyx_vtab)->add_branch_node(__pyx_v_self->tree, __pyx_v_parent, __pyx_v_is_left, (__pyx_v_end - __pyx_v_start), __pyx_v_self->n_weighted_samples, __pyx_v_shapelet, __pyx_v_sp.threshold, -1.0);

  /* "wildboar/tree/_tree_builder.pyx":557
 *             sp.threshold, -1,
 *         )
 *         return node_id             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = __pyx_v_node_id;
  goto __pyx_L0;

  /* "wildboar/tree/_tree_builder.pyx":539
 *         pass
 * 
 *     cdef Py_ssize_t new_branch_node(             # <<<<<<<<<<<<<<
 *         self,
 *         Py_ssize_t start,
 */

  /* function exit code */
  __pyx_L0:;
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/* "wildboar/tree/_tree_builder.pyx":560
 * 
 * 
 *     cdef bint _is_pre_pruned(self, Py_ssize_t start, Py_ssize_t end) nogil:             # <<<<<<<<<<<<<<
 *         """Check if the tree should be pruned based on the samples in the
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 */

static int __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder__is_pre_pruned(CYTHON_UNUSED struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, CYTHON_UNUSED Py_ssize_t __pyx_v_start, CYTHON_UNUSED Py_ssize_t __pyx_v_end) {
  int __pyx_r;

  /* function exit code */
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}

/* "wildboar/tree/_tree_builder.pyx":578
 *         pass
 * 
 *     cdef Py_ssize_t _build_tree(             # <<<<<<<<<<<<<<
 *         self,
 *         Py_ssize_t start,
 */

static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder__build_tree(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, Py_ssize_t __pyx_v_depth, int __pyx_v_parent, int __pyx_v_is_left, Py_ssize_t *__pyx_v_max_depth) {
  struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint __pyx_v_split;
  struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *__pyx_v_shapelet;
  Py_ssize_t __pyx_v_current_node_id;
  CYTHON_UNUSED Py_ssize_t __pyx_v_left_node_id;
  CYTHON_UNUSED Py_ssize_t __pyx_v_right_node_id;
  int __pyx_v_err;
  Py_ssize_t __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
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  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  #ifdef WITH_THREAD
  PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
  #endif
  __Pyx_RefNannySetupContext("_build_tree", 0);
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  __Pyx_PyGILState_Release(__pyx_gilstate_save);
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  /* "wildboar/tree/_tree_builder.pyx":587
 *         Py_ssize_t *max_depth,
 *     ) nogil:
 *         """Recursive function for building the tree             # <<<<<<<<<<<<<<
 * 
 *         Each call to this function is allowed to access and transpose
 */
  /*try:*/ {

    /* "wildboar/tree/_tree_builder.pyx":613
 *             The max depth reached in the tree
 *         """
 *         if depth > max_depth[0]:             # <<<<<<<<<<<<<<
 *             max_depth[0] = depth
 * 
 */
    __pyx_t_1 = ((__pyx_v_depth > (__pyx_v_max_depth[0])) != 0);
    if (__pyx_t_1) {

      /* "wildboar/tree/_tree_builder.pyx":614
 *         """
 *         if depth > max_depth[0]:
 *             max_depth[0] = depth             # <<<<<<<<<<<<<<
 * 
 *         if self._is_pre_pruned(start, end) or depth >= self.max_depth:
 */
      (__pyx_v_max_depth[0]) = __pyx_v_depth;

      /* "wildboar/tree/_tree_builder.pyx":613
 *             The max depth reached in the tree
 *         """
 *         if depth > max_depth[0]:             # <<<<<<<<<<<<<<
 *             max_depth[0] = depth
 * 
 */
    }

    /* "wildboar/tree/_tree_builder.pyx":616
 *             max_depth[0] = depth
 * 
 *         if self._is_pre_pruned(start, end) or depth >= self.max_depth:             # <<<<<<<<<<<<<<
 *             return self.new_leaf_node(start, end, parent, is_left)
 * 
 */
    __pyx_t_2 = (((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)__pyx_v_self->__pyx_vtab)->_is_pre_pruned(__pyx_v_self, __pyx_v_start, __pyx_v_end) != 0);
    if (!__pyx_t_2) {
    } else {
      __pyx_t_1 = __pyx_t_2;
      goto __pyx_L8_bool_binop_done;
    }
    __pyx_t_2 = ((__pyx_v_depth >= __pyx_v_self->max_depth) != 0);
    __pyx_t_1 = __pyx_t_2;
    __pyx_L8_bool_binop_done:;
    if (__pyx_t_1) {

      /* "wildboar/tree/_tree_builder.pyx":617
 * 
 *         if self._is_pre_pruned(start, end) or depth >= self.max_depth:
 *             return self.new_leaf_node(start, end, parent, is_left)             # <<<<<<<<<<<<<<
 * 
 *         cdef SplitPoint split = self._split(start, end)
 */
      __pyx_r = ((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)__pyx_v_self->__pyx_vtab)->new_leaf_node(__pyx_v_self, __pyx_v_start, __pyx_v_end, __pyx_v_parent, __pyx_v_is_left);
      goto __pyx_L3_return;

      /* "wildboar/tree/_tree_builder.pyx":616
 *             max_depth[0] = depth
 * 
 *         if self._is_pre_pruned(start, end) or depth >= self.max_depth:             # <<<<<<<<<<<<<<
 *             return self.new_leaf_node(start, end, parent, is_left)
 * 
 */
    }

    /* "wildboar/tree/_tree_builder.pyx":619
 *             return self.new_leaf_node(start, end, parent, is_left)
 * 
 *         cdef SplitPoint split = self._split(start, end)             # <<<<<<<<<<<<<<
 *         cdef TSCopy *shapelet
 *         cdef Py_ssize_t current_node_id, left_node_id, right_node_id
 */
    __pyx_v_split = ((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)__pyx_v_self->__pyx_vtab)->_split(__pyx_v_self, __pyx_v_start, __pyx_v_end);

    /* "wildboar/tree/_tree_builder.pyx":623
 *         cdef Py_ssize_t current_node_id, left_node_id, right_node_id
 *         cdef int err
 *         if split.split_point > start and end - split.split_point > 0:             # <<<<<<<<<<<<<<
 *             shapelet = <TSCopy*> malloc(sizeof(TSCopy))
 *             err = self.distance_measure.init_ts_copy(
 */
    __pyx_t_2 = ((__pyx_v_split.split_point > __pyx_v_start) != 0);
    if (__pyx_t_2) {
    } else {
      __pyx_t_1 = __pyx_t_2;
      goto __pyx_L11_bool_binop_done;
    }
    __pyx_t_2 = (((__pyx_v_end - __pyx_v_split.split_point) > 0) != 0);
    __pyx_t_1 = __pyx_t_2;
    __pyx_L11_bool_binop_done:;
    if (__pyx_t_1) {

      /* "wildboar/tree/_tree_builder.pyx":624
 *         cdef int err
 *         if split.split_point > start and end - split.split_point > 0:
 *             shapelet = <TSCopy*> malloc(sizeof(TSCopy))             # <<<<<<<<<<<<<<
 *             err = self.distance_measure.init_ts_copy(
 *                 shapelet, &split.shapelet_info, &self.td
 */
      __pyx_v_shapelet = ((struct __pyx_t_8wildboar_8distance_9_distance_TSCopy *)malloc((sizeof(struct __pyx_t_8wildboar_8distance_9_distance_TSCopy))));

      /* "wildboar/tree/_tree_builder.pyx":625
 *         if split.split_point > start and end - split.split_point > 0:
 *             shapelet = <TSCopy*> malloc(sizeof(TSCopy))
 *             err = self.distance_measure.init_ts_copy(             # <<<<<<<<<<<<<<
 *                 shapelet, &split.shapelet_info, &self.td
 *             )
 */
      __pyx_v_err = ((struct __pyx_vtabstruct_8wildboar_8distance_9_distance_DistanceMeasure *)__pyx_v_self->distance_measure->__pyx_vtab)->init_ts_copy(__pyx_v_self->distance_measure, __pyx_v_shapelet, (&__pyx_v_split.shapelet_info), (&__pyx_v_self->td));

      /* "wildboar/tree/_tree_builder.pyx":628
 *                 shapelet, &split.shapelet_info, &self.td
 *             )
 *             if err == -1:             # <<<<<<<<<<<<<<
 *                 return -1
 * 
 */
      __pyx_t_1 = ((__pyx_v_err == -1L) != 0);
      if (__pyx_t_1) {

        /* "wildboar/tree/_tree_builder.pyx":629
 *             )
 *             if err == -1:
 *                 return -1             # <<<<<<<<<<<<<<
 * 
 *             # `shapelet` will be stored and freed by `self.tree`
 */
        __pyx_r = -1L;
        goto __pyx_L3_return;

        /* "wildboar/tree/_tree_builder.pyx":628
 *                 shapelet, &split.shapelet_info, &self.td
 *             )
 *             if err == -1:             # <<<<<<<<<<<<<<
 *                 return -1
 * 
 */
      }

      /* "wildboar/tree/_tree_builder.pyx":632
 * 
 *             # `shapelet` will be stored and freed by `self.tree`
 *             current_node_id = self.new_branch_node(             # <<<<<<<<<<<<<<
 *                 start, end, split, shapelet, parent, is_left
 *             )
 */
      __pyx_v_current_node_id = ((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)__pyx_v_self->__pyx_vtab)->new_branch_node(__pyx_v_self, __pyx_v_start, __pyx_v_end, __pyx_v_split, __pyx_v_shapelet, __pyx_v_parent, __pyx_v_is_left);

      /* "wildboar/tree/_tree_builder.pyx":635
 *                 start, end, split, shapelet, parent, is_left
 *             )
 *             left_node_id = self._build_tree(             # <<<<<<<<<<<<<<
 *                 start, split.split_point, depth + 1, current_node_id, True, max_depth
 *             )
 */
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      /* "wildboar/tree/_tree_builder.pyx":638
 *                 start, split.split_point, depth + 1, current_node_id, True, max_depth
 *             )
 *             right_node_id = self._build_tree(             # <<<<<<<<<<<<<<
 *                 split.split_point, end, depth + 1, current_node_id, False, max_depth
 *             )
 */
      __pyx_v_right_node_id = ((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)__pyx_v_self->__pyx_vtab)->_build_tree(__pyx_v_self, __pyx_v_split.split_point, __pyx_v_end, (__pyx_v_depth + 1), __pyx_v_current_node_id, 0, __pyx_v_max_depth);

      /* "wildboar/tree/_tree_builder.pyx":642
 *             )
 * 
 *             ts_view_free(&split.shapelet_info)  # RECLAIM THIS MEMORY             # <<<<<<<<<<<<<<
 *             return current_node_id
 *         else:
 */
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      /* "wildboar/tree/_tree_builder.pyx":643
 * 
 *             ts_view_free(&split.shapelet_info)  # RECLAIM THIS MEMORY
 *             return current_node_id             # <<<<<<<<<<<<<<
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 */
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      /* "wildboar/tree/_tree_builder.pyx":623
 *         cdef Py_ssize_t current_node_id, left_node_id, right_node_id
 *         cdef int err
 *         if split.split_point > start and end - split.split_point > 0:             # <<<<<<<<<<<<<<
 *             shapelet = <TSCopy*> malloc(sizeof(TSCopy))
 *             err = self.distance_measure.init_ts_copy(
 */
    }

    /* "wildboar/tree/_tree_builder.pyx":645
 *             return current_node_id
 *         else:
 *             with gil:             # <<<<<<<<<<<<<<
 *                 print("warn: split point outside allowed range. This is a bug. Please report me.")
 *             return self.new_leaf_node(start, end, parent, is_left)
 */
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          #ifdef WITH_THREAD
          PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
          #endif
          /*try:*/ {

            /* "wildboar/tree/_tree_builder.pyx":646
 *         else:
 *             with gil:
 *                 print("warn: split point outside allowed range. This is a bug. Please report me.")             # <<<<<<<<<<<<<<
 *             return self.new_leaf_node(start, end, parent, is_left)
 * 
 */
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          /* "wildboar/tree/_tree_builder.pyx":645
 *             return current_node_id
 *         else:
 *             with gil:             # <<<<<<<<<<<<<<
 *                 print("warn: split point outside allowed range. This is a bug. Please report me.")
 *             return self.new_leaf_node(start, end, parent, is_left)
 */
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              __Pyx_PyGILState_Release(__pyx_gilstate_save);
              #endif
              goto __pyx_L16;
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            __pyx_L15_error: {
              #ifdef WITH_THREAD
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              goto __pyx_L4_error;
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      /* "wildboar/tree/_tree_builder.pyx":647
 *             with gil:
 *                 print("warn: split point outside allowed range. This is a bug. Please report me.")
 *             return self.new_leaf_node(start, end, parent, is_left)             # <<<<<<<<<<<<<<
 * 
 *     cdef SplitPoint _split(self, Py_ssize_t start, Py_ssize_t end) nogil:
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 *         Py_ssize_t *max_depth,
 *     ) nogil:
 *         """Recursive function for building the tree             # <<<<<<<<<<<<<<
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 *         Each call to this function is allowed to access and transpose
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  /* "wildboar/tree/_tree_builder.pyx":578
 *         pass
 * 
 *     cdef Py_ssize_t _build_tree(             # <<<<<<<<<<<<<<
 *         self,
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 */

  /* function exit code */
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/* "wildboar/tree/_tree_builder.pyx":649
 *             return self.new_leaf_node(start, end, parent, is_left)
 * 
 *     cdef SplitPoint _split(self, Py_ssize_t start, Py_ssize_t end) nogil:             # <<<<<<<<<<<<<<
 *         """Split the `sample` array indicated by the region specified by
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 */

static struct __pyx_t_8wildboar_4tree_13_tree_builder_SplitPoint __pyx_f_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder__split(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end) {
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  Py_ssize_t __pyx_v_best_split_point;
  double __pyx_v_threshold;
  double __pyx_v_best_threshold;
  double __pyx_v_impurity;
  double __pyx_v_best_impurity;
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  CYTHON_UNUSED Py_ssize_t __pyx_v_i;
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  Py_ssize_t __pyx_t_2;
  Py_ssize_t __pyx_t_3;
  int __pyx_t_4;

  /* "wildboar/tree/_tree_builder.pyx":674
 *         cdef Py_ssize_t i
 * 
 *         ts_view_init(&best_shapelet)             # <<<<<<<<<<<<<<
 *         best_impurity = INFINITY
 *         best_threshold = NAN
 */
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  /* "wildboar/tree/_tree_builder.pyx":675
 * 
 *         ts_view_init(&best_shapelet)
 *         best_impurity = INFINITY             # <<<<<<<<<<<<<<
 *         best_threshold = NAN
 *         best_split_point = 0
 */
  __pyx_v_best_impurity = INFINITY;

  /* "wildboar/tree/_tree_builder.pyx":676
 *         ts_view_init(&best_shapelet)
 *         best_impurity = INFINITY
 *         best_threshold = NAN             # <<<<<<<<<<<<<<
 *         best_split_point = 0
 *         split_point = 0
 */
  __pyx_v_best_threshold = NAN;

  /* "wildboar/tree/_tree_builder.pyx":677
 *         best_impurity = INFINITY
 *         best_threshold = NAN
 *         best_split_point = 0             # <<<<<<<<<<<<<<
 *         split_point = 0
 * 
 */
  __pyx_v_best_split_point = 0;

  /* "wildboar/tree/_tree_builder.pyx":678
 *         best_threshold = NAN
 *         best_split_point = 0
 *         split_point = 0             # <<<<<<<<<<<<<<
 * 
 *         for i in range(self.n_shapelets):
 */
  __pyx_v_split_point = 0;

  /* "wildboar/tree/_tree_builder.pyx":680
 *         split_point = 0
 * 
 *         for i in range(self.n_shapelets):             # <<<<<<<<<<<<<<
 *             self._sample_shapelet(&shapelet, start, end)
 *             self.distance_measure.ts_view_sub_distances(
 */
  __pyx_t_1 = __pyx_v_self->n_shapelets;
  __pyx_t_2 = __pyx_t_1;
  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
    __pyx_v_i = __pyx_t_3;

    /* "wildboar/tree/_tree_builder.pyx":681
 * 
 *         for i in range(self.n_shapelets):
 *             self._sample_shapelet(&shapelet, start, end)             # <<<<<<<<<<<<<<
 *             self.distance_measure.ts_view_sub_distances(
 *                 &shapelet,
 */
    (void)(((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)__pyx_v_self->__pyx_vtab)->_sample_shapelet(__pyx_v_self, (&__pyx_v_shapelet), __pyx_v_start, __pyx_v_end));

    /* "wildboar/tree/_tree_builder.pyx":682
 *         for i in range(self.n_shapelets):
 *             self._sample_shapelet(&shapelet, start, end)
 *             self.distance_measure.ts_view_sub_distances(             # <<<<<<<<<<<<<<
 *                 &shapelet,
 *                 &self.td,
 */
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    /* "wildboar/tree/_tree_builder.pyx":690
 *             )
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    /* "wildboar/tree/_tree_builder.pyx":693
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      /* "wildboar/tree/_tree_builder.pyx":695
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 */
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 *                 best_threshold = threshold
 *                 best_shapelet = shapelet
 */
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 */
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 */
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 */
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 *     cdef int _sample_shapelet(
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/* "wildboar/tree/_tree_builder.pyx":715
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 */

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  /* "wildboar/tree/_tree_builder.pyx":726
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  /* "wildboar/tree/_tree_builder.pyx":729
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  /* "wildboar/tree/_tree_builder.pyx":731
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  /* "wildboar/tree/_tree_builder.pyx":732
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 *         Py_ssize_t start,
 */

static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder_new_leaf_node(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, int __pyx_v_parent, int __pyx_v_is_left) {
  Py_ssize_t __pyx_v_node_id;
  Py_ssize_t __pyx_v_i;
  double __pyx_v_prob;
  Py_ssize_t __pyx_r;
  Py_ssize_t __pyx_t_1;
  Py_ssize_t __pyx_t_2;
  Py_ssize_t __pyx_t_3;

  /* "wildboar/tree/_tree_builder.pyx":836
 *         cdef double prob
 * 
 *         node_id = self.tree.add_leaf_node(             # <<<<<<<<<<<<<<
 *             parent, is_left, end - start, self.n_weighted_samples
 *         )
 */
  __pyx_v_node_id = ((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_Tree *)__pyx_v_self->__pyx_base.tree->__pyx_vtab)->add_leaf_node(__pyx_v_self->__pyx_base.tree, __pyx_v_parent, __pyx_v_is_left, (__pyx_v_end - __pyx_v_start), __pyx_v_self->__pyx_base.n_weighted_samples);

  /* "wildboar/tree/_tree_builder.pyx":839
 *             parent, is_left, end - start, self.n_weighted_samples
 *         )
 *         for i in range(self.n_labels):             # <<<<<<<<<<<<<<
 *             prob = self.label_buffer[i] / self.n_weighted_samples
 *             self.tree.set_leaf_value(node_id, i, prob)
 */
  __pyx_t_1 = __pyx_v_self->n_labels;
  __pyx_t_2 = __pyx_t_1;
  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
    __pyx_v_i = __pyx_t_3;

    /* "wildboar/tree/_tree_builder.pyx":840
 *         )
 *         for i in range(self.n_labels):
 *             prob = self.label_buffer[i] / self.n_weighted_samples             # <<<<<<<<<<<<<<
 *             self.tree.set_leaf_value(node_id, i, prob)
 *         return node_id
 */
    __pyx_v_prob = ((__pyx_v_self->label_buffer[__pyx_v_i]) / __pyx_v_self->__pyx_base.n_weighted_samples);

    /* "wildboar/tree/_tree_builder.pyx":841
 *         for i in range(self.n_labels):
 *             prob = self.label_buffer[i] / self.n_weighted_samples
 *             self.tree.set_leaf_value(node_id, i, prob)             # <<<<<<<<<<<<<<
 *         return node_id
 * 
 */
    ((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_Tree *)__pyx_v_self->__pyx_base.tree->__pyx_vtab)->set_leaf_value(__pyx_v_self->__pyx_base.tree, __pyx_v_node_id, __pyx_v_i, __pyx_v_prob);
  }

  /* "wildboar/tree/_tree_builder.pyx":842
 *             prob = self.label_buffer[i] / self.n_weighted_samples
 *             self.tree.set_leaf_value(node_id, i, prob)
 *         return node_id             # <<<<<<<<<<<<<<
 * 
 *     cdef bint _is_pre_pruned(self, Py_ssize_t start, Py_ssize_t end) nogil:
 */
  __pyx_r = __pyx_v_node_id;
  goto __pyx_L0;

  /* "wildboar/tree/_tree_builder.pyx":825
 *         free(self.right_label_buffer)
 * 
 *     cdef Py_ssize_t new_leaf_node(             # <<<<<<<<<<<<<<
 *         self,
 *         Py_ssize_t start,
 */

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

/* "wildboar/tree/_tree_builder.pyx":844
 *         return node_id
 * 
 *     cdef bint _is_pre_pruned(self, Py_ssize_t start, Py_ssize_t end) nogil:             # <<<<<<<<<<<<<<
 *         # reinitialize the `label_buffer` to the sample distribution
 *         # in the current sample region.
 */

static int __pyx_f_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder__is_pre_pruned(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end) {
  int __pyx_v_n_positive;
  int __pyx_r;
  int __pyx_t_1;
  int __pyx_t_2;

  /* "wildboar/tree/_tree_builder.pyx":847
 *         # reinitialize the `label_buffer` to the sample distribution
 *         # in the current sample region.
 *         memset(self.label_buffer, 0, sizeof(double) * self.n_labels)             # <<<<<<<<<<<<<<
 *         cdef int n_positive = label_distribution(
 *             self.samples,
 */
  (void)(memset(__pyx_v_self->label_buffer, 0, ((sizeof(double)) * __pyx_v_self->n_labels)));

  /* "wildboar/tree/_tree_builder.pyx":848
 *         # in the current sample region.
 *         memset(self.label_buffer, 0, sizeof(double) * self.n_labels)
 *         cdef int n_positive = label_distribution(             # <<<<<<<<<<<<<<
 *             self.samples,
 *             self.sample_weights,
 */
  __pyx_v_n_positive = __pyx_f_8wildboar_6_utils_label_distribution(__pyx_v_self->__pyx_base.samples, __pyx_v_self->__pyx_base.sample_weights, __pyx_v_start, __pyx_v_end, __pyx_v_self->labels, __pyx_v_self->__pyx_base.label_stride, __pyx_v_self->n_labels, (&__pyx_v_self->__pyx_base.n_weighted_samples), __pyx_v_self->label_buffer);

  /* "wildboar/tree/_tree_builder.pyx":860
 *         )
 * 
 *         if end - start <= self.min_sample_split or n_positive < 2:             # <<<<<<<<<<<<<<
 *             return True
 *         return False
 */
  __pyx_t_2 = (((__pyx_v_end - __pyx_v_start) <= __pyx_v_self->__pyx_base.min_sample_split) != 0);
  if (!__pyx_t_2) {
  } else {
    __pyx_t_1 = __pyx_t_2;
    goto __pyx_L4_bool_binop_done;
  }
  __pyx_t_2 = ((__pyx_v_n_positive < 2) != 0);
  __pyx_t_1 = __pyx_t_2;
  __pyx_L4_bool_binop_done:;
  if (__pyx_t_1) {

    /* "wildboar/tree/_tree_builder.pyx":861
 * 
 *         if end - start <= self.min_sample_split or n_positive < 2:
 *             return True             # <<<<<<<<<<<<<<
 *         return False
 * 
 */
    __pyx_r = 1;
    goto __pyx_L0;

    /* "wildboar/tree/_tree_builder.pyx":860
 *         )
 * 
 *         if end - start <= self.min_sample_split or n_positive < 2:             # <<<<<<<<<<<<<<
 *             return True
 *         return False
 */
  }

  /* "wildboar/tree/_tree_builder.pyx":862
 *         if end - start <= self.min_sample_split or n_positive < 2:
 *             return True
 *         return False             # <<<<<<<<<<<<<<
 * 
 *     cdef void _partition_distance_buffer(
 */
  __pyx_r = 0;
  goto __pyx_L0;

  /* "wildboar/tree/_tree_builder.pyx":844
 *         return node_id
 * 
 *     cdef bint _is_pre_pruned(self, Py_ssize_t start, Py_ssize_t end) nogil:             # <<<<<<<<<<<<<<
 *         # reinitialize the `label_buffer` to the sample distribution
 *         # in the current sample region.
 */

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

/* "wildboar/tree/_tree_builder.pyx":864
 *         return False
 * 
 *     cdef void _partition_distance_buffer(             # <<<<<<<<<<<<<<
 *             self,
 *             Py_ssize_t start,
 */

static void __pyx_f_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder__partition_distance_buffer(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, Py_ssize_t *__pyx_v_split_point, double *__pyx_v_threshold, double *__pyx_v_impurity) {
  Py_ssize_t __pyx_v_i;
  Py_ssize_t __pyx_v_j;
  Py_ssize_t __pyx_v_p;
  double __pyx_v_right_sum;
  double __pyx_v_left_sum;
  double __pyx_v_prev_distance;
  Py_ssize_t __pyx_v_prev_label;
  double __pyx_v_current_sample_weight;
  double __pyx_v_current_distance;
  double __pyx_v_current_impurity;
  Py_ssize_t __pyx_v_current_label;
  int __pyx_t_1;
  Py_ssize_t __pyx_t_2;
  Py_ssize_t __pyx_t_3;
  Py_ssize_t __pyx_t_4;
  Py_ssize_t __pyx_t_5;

  /* "wildboar/tree/_tree_builder.pyx":872
 *             double *impurity,
 *     ) nogil:
 *         memset(self.left_label_buffer, 0, sizeof(double) * self.n_labels)             # <<<<<<<<<<<<<<
 * 
 *         # store the label buffer temporarily in `right_label_buffer`,
 */
  (void)(memset(__pyx_v_self->left_label_buffer, 0, ((sizeof(double)) * __pyx_v_self->n_labels)));

  /* "wildboar/tree/_tree_builder.pyx":876
 *         # store the label buffer temporarily in `right_label_buffer`,
 *         # since all samples fall on the right hand side of the threshold
 *         memcpy(self.right_label_buffer, self.label_buffer,             # <<<<<<<<<<<<<<
 *                sizeof(double) * self.n_labels)
 * 
 */
  (void)(memcpy(__pyx_v_self->right_label_buffer, __pyx_v_self->label_buffer, ((sizeof(double)) * __pyx_v_self->n_labels)));

  /* "wildboar/tree/_tree_builder.pyx":894
 *         cdef Py_ssize_t current_label
 * 
 *         j = self.samples[start]             # <<<<<<<<<<<<<<
 *         p = j * self.label_stride
 * 
 */
  __pyx_v_j = (__pyx_v_self->__pyx_base.samples[__pyx_v_start]);

  /* "wildboar/tree/_tree_builder.pyx":895
 * 
 *         j = self.samples[start]
 *         p = j * self.label_stride             # <<<<<<<<<<<<<<
 * 
 *         prev_distance = self.distance_buffer[start]
 */
  __pyx_v_p = (__pyx_v_j * __pyx_v_self->__pyx_base.label_stride);

  /* "wildboar/tree/_tree_builder.pyx":897
 *         p = j * self.label_stride
 * 
 *         prev_distance = self.distance_buffer[start]             # <<<<<<<<<<<<<<
 *         prev_label = self.labels[p]
 * 
 */
  __pyx_v_prev_distance = (__pyx_v_self->__pyx_base.distance_buffer[__pyx_v_start]);

  /* "wildboar/tree/_tree_builder.pyx":898
 * 
 *         prev_distance = self.distance_buffer[start]
 *         prev_label = self.labels[p]             # <<<<<<<<<<<<<<
 * 
 *         if self.sample_weights != NULL:
 */
  __pyx_v_prev_label = (__pyx_v_self->labels[__pyx_v_p]);

  /* "wildboar/tree/_tree_builder.pyx":900
 *         prev_label = self.labels[p]
 * 
 *         if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *             current_sample_weight = self.sample_weights[j]
 *         else:
 */
  __pyx_t_1 = ((__pyx_v_self->__pyx_base.sample_weights != NULL) != 0);
  if (__pyx_t_1) {

    /* "wildboar/tree/_tree_builder.pyx":901
 * 
 *         if self.sample_weights != NULL:
 *             current_sample_weight = self.sample_weights[j]             # <<<<<<<<<<<<<<
 *         else:
 *             current_sample_weight = 1.0
 */
    __pyx_v_current_sample_weight = (__pyx_v_self->__pyx_base.sample_weights[__pyx_v_j]);

    /* "wildboar/tree/_tree_builder.pyx":900
 *         prev_label = self.labels[p]
 * 
 *         if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *             current_sample_weight = self.sample_weights[j]
 *         else:
 */
    goto __pyx_L3;
  }

  /* "wildboar/tree/_tree_builder.pyx":903
 *             current_sample_weight = self.sample_weights[j]
 *         else:
 *             current_sample_weight = 1.0             # <<<<<<<<<<<<<<
 * 
 *         left_sum = current_sample_weight
 */
  /*else*/ {
    __pyx_v_current_sample_weight = 1.0;
  }
  __pyx_L3:;

  /* "wildboar/tree/_tree_builder.pyx":905
 *             current_sample_weight = 1.0
 * 
 *         left_sum = current_sample_weight             # <<<<<<<<<<<<<<
 *         right_sum = self.n_weighted_samples - current_sample_weight
 * 
 */
  __pyx_v_left_sum = __pyx_v_current_sample_weight;

  /* "wildboar/tree/_tree_builder.pyx":906
 * 
 *         left_sum = current_sample_weight
 *         right_sum = self.n_weighted_samples - current_sample_weight             # <<<<<<<<<<<<<<
 * 
 *         self.left_label_buffer[prev_label] += current_sample_weight
 */
  __pyx_v_right_sum = (__pyx_v_self->__pyx_base.n_weighted_samples - __pyx_v_current_sample_weight);

  /* "wildboar/tree/_tree_builder.pyx":908
 *         right_sum = self.n_weighted_samples - current_sample_weight
 * 
 *         self.left_label_buffer[prev_label] += current_sample_weight             # <<<<<<<<<<<<<<
 *         self.right_label_buffer[prev_label] -= current_sample_weight
 * 
 */
  __pyx_t_2 = __pyx_v_prev_label;
  (__pyx_v_self->left_label_buffer[__pyx_t_2]) = ((__pyx_v_self->left_label_buffer[__pyx_t_2]) + __pyx_v_current_sample_weight);

  /* "wildboar/tree/_tree_builder.pyx":909
 * 
 *         self.left_label_buffer[prev_label] += current_sample_weight
 *         self.right_label_buffer[prev_label] -= current_sample_weight             # <<<<<<<<<<<<<<
 * 
 *         impurity[0] = entropy(left_sum,
 */
  __pyx_t_2 = __pyx_v_prev_label;
  (__pyx_v_self->right_label_buffer[__pyx_t_2]) = ((__pyx_v_self->right_label_buffer[__pyx_t_2]) - __pyx_v_current_sample_weight);

  /* "wildboar/tree/_tree_builder.pyx":911
 *         self.right_label_buffer[prev_label] -= current_sample_weight
 * 
 *         impurity[0] = entropy(left_sum,             # <<<<<<<<<<<<<<
 *                               self.left_label_buffer,
 *                               right_sum,
 */
  (__pyx_v_impurity[0]) = __pyx_f_8wildboar_4tree_9_impurity_entropy(__pyx_v_left_sum, __pyx_v_self->left_label_buffer, __pyx_v_right_sum, __pyx_v_self->right_label_buffer, __pyx_v_self->n_labels);

  /* "wildboar/tree/_tree_builder.pyx":917
 *                               self.n_labels)
 * 
 *         threshold[0] = prev_distance             # <<<<<<<<<<<<<<
 *         # The split point indicates a <=-relation
 *         split_point[0] = start + 1
 */
  (__pyx_v_threshold[0]) = __pyx_v_prev_distance;

  /* "wildboar/tree/_tree_builder.pyx":919
 *         threshold[0] = prev_distance
 *         # The split point indicates a <=-relation
 *         split_point[0] = start + 1             # <<<<<<<<<<<<<<
 * 
 *         for i in range(start + 1, end - 1):
 */
  (__pyx_v_split_point[0]) = (__pyx_v_start + 1);

  /* "wildboar/tree/_tree_builder.pyx":921
 *         split_point[0] = start + 1
 * 
 *         for i in range(start + 1, end - 1):             # <<<<<<<<<<<<<<
 *             j = self.samples[i]
 *             current_distance = self.distance_buffer[i]
 */
  __pyx_t_2 = (__pyx_v_end - 1);
  __pyx_t_3 = __pyx_t_2;
  for (__pyx_t_4 = (__pyx_v_start + 1); __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
    __pyx_v_i = __pyx_t_4;

    /* "wildboar/tree/_tree_builder.pyx":922
 * 
 *         for i in range(start + 1, end - 1):
 *             j = self.samples[i]             # <<<<<<<<<<<<<<
 *             current_distance = self.distance_buffer[i]
 * 
 */
    __pyx_v_j = (__pyx_v_self->__pyx_base.samples[__pyx_v_i]);

    /* "wildboar/tree/_tree_builder.pyx":923
 *         for i in range(start + 1, end - 1):
 *             j = self.samples[i]
 *             current_distance = self.distance_buffer[i]             # <<<<<<<<<<<<<<
 * 
 *             p = j * self.label_stride
 */
    __pyx_v_current_distance = (__pyx_v_self->__pyx_base.distance_buffer[__pyx_v_i]);

    /* "wildboar/tree/_tree_builder.pyx":925
 *             current_distance = self.distance_buffer[i]
 * 
 *             p = j * self.label_stride             # <<<<<<<<<<<<<<
 *             current_label = self.labels[p]
 * 
 */
    __pyx_v_p = (__pyx_v_j * __pyx_v_self->__pyx_base.label_stride);

    /* "wildboar/tree/_tree_builder.pyx":926
 * 
 *             p = j * self.label_stride
 *             current_label = self.labels[p]             # <<<<<<<<<<<<<<
 * 
 *             if not current_label == prev_label:
 */
    __pyx_v_current_label = (__pyx_v_self->labels[__pyx_v_p]);

    /* "wildboar/tree/_tree_builder.pyx":928
 *             current_label = self.labels[p]
 * 
 *             if not current_label == prev_label:             # <<<<<<<<<<<<<<
 *                 current_impurity = entropy(
 *                     left_sum,
 */
    __pyx_t_1 = ((!((__pyx_v_current_label == __pyx_v_prev_label) != 0)) != 0);
    if (__pyx_t_1) {

      /* "wildboar/tree/_tree_builder.pyx":929
 * 
 *             if not current_label == prev_label:
 *                 current_impurity = entropy(             # <<<<<<<<<<<<<<
 *                     left_sum,
 *                     self.left_label_buffer,
 */
      __pyx_v_current_impurity = __pyx_f_8wildboar_4tree_9_impurity_entropy(__pyx_v_left_sum, __pyx_v_self->left_label_buffer, __pyx_v_right_sum, __pyx_v_self->right_label_buffer, __pyx_v_self->n_labels);

      /* "wildboar/tree/_tree_builder.pyx":937
 *                 )
 * 
 *                 if current_impurity <= impurity[0]:             # <<<<<<<<<<<<<<
 *                     impurity[0] = current_impurity
 *                     threshold[0] = (current_distance + prev_distance) / 2
 */
      __pyx_t_1 = ((__pyx_v_current_impurity <= (__pyx_v_impurity[0])) != 0);
      if (__pyx_t_1) {

        /* "wildboar/tree/_tree_builder.pyx":938
 * 
 *                 if current_impurity <= impurity[0]:
 *                     impurity[0] = current_impurity             # <<<<<<<<<<<<<<
 *                     threshold[0] = (current_distance + prev_distance) / 2
 *                     split_point[0] = i
 */
        (__pyx_v_impurity[0]) = __pyx_v_current_impurity;

        /* "wildboar/tree/_tree_builder.pyx":939
 *                 if current_impurity <= impurity[0]:
 *                     impurity[0] = current_impurity
 *                     threshold[0] = (current_distance + prev_distance) / 2             # <<<<<<<<<<<<<<
 *                     split_point[0] = i
 * 
 */
        (__pyx_v_threshold[0]) = ((__pyx_v_current_distance + __pyx_v_prev_distance) / 2.0);

        /* "wildboar/tree/_tree_builder.pyx":940
 *                     impurity[0] = current_impurity
 *                     threshold[0] = (current_distance + prev_distance) / 2
 *                     split_point[0] = i             # <<<<<<<<<<<<<<
 * 
 *             if self.sample_weights != NULL:
 */
        (__pyx_v_split_point[0]) = __pyx_v_i;

        /* "wildboar/tree/_tree_builder.pyx":937
 *                 )
 * 
 *                 if current_impurity <= impurity[0]:             # <<<<<<<<<<<<<<
 *                     impurity[0] = current_impurity
 *                     threshold[0] = (current_distance + prev_distance) / 2
 */
      }

      /* "wildboar/tree/_tree_builder.pyx":928
 *             current_label = self.labels[p]
 * 
 *             if not current_label == prev_label:             # <<<<<<<<<<<<<<
 *                 current_impurity = entropy(
 *                     left_sum,
 */
    }

    /* "wildboar/tree/_tree_builder.pyx":942
 *                     split_point[0] = i
 * 
 *             if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *                 current_sample_weight = self.sample_weights[j]
 *             else:
 */
    __pyx_t_1 = ((__pyx_v_self->__pyx_base.sample_weights != NULL) != 0);
    if (__pyx_t_1) {

      /* "wildboar/tree/_tree_builder.pyx":943
 * 
 *             if self.sample_weights != NULL:
 *                 current_sample_weight = self.sample_weights[j]             # <<<<<<<<<<<<<<
 *             else:
 *                 current_sample_weight = 1.0
 */
      __pyx_v_current_sample_weight = (__pyx_v_self->__pyx_base.sample_weights[__pyx_v_j]);

      /* "wildboar/tree/_tree_builder.pyx":942
 *                     split_point[0] = i
 * 
 *             if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *                 current_sample_weight = self.sample_weights[j]
 *             else:
 */
      goto __pyx_L8;
    }

    /* "wildboar/tree/_tree_builder.pyx":945
 *                 current_sample_weight = self.sample_weights[j]
 *             else:
 *                 current_sample_weight = 1.0             # <<<<<<<<<<<<<<
 * 
 *             left_sum += current_sample_weight
 */
    /*else*/ {
      __pyx_v_current_sample_weight = 1.0;
    }
    __pyx_L8:;

    /* "wildboar/tree/_tree_builder.pyx":947
 *                 current_sample_weight = 1.0
 * 
 *             left_sum += current_sample_weight             # <<<<<<<<<<<<<<
 *             right_sum -= current_sample_weight
 *             self.left_label_buffer[current_label] += current_sample_weight
 */
    __pyx_v_left_sum = (__pyx_v_left_sum + __pyx_v_current_sample_weight);

    /* "wildboar/tree/_tree_builder.pyx":948
 * 
 *             left_sum += current_sample_weight
 *             right_sum -= current_sample_weight             # <<<<<<<<<<<<<<
 *             self.left_label_buffer[current_label] += current_sample_weight
 *             self.right_label_buffer[current_label] -= current_sample_weight
 */
    __pyx_v_right_sum = (__pyx_v_right_sum - __pyx_v_current_sample_weight);

    /* "wildboar/tree/_tree_builder.pyx":949
 *             left_sum += current_sample_weight
 *             right_sum -= current_sample_weight
 *             self.left_label_buffer[current_label] += current_sample_weight             # <<<<<<<<<<<<<<
 *             self.right_label_buffer[current_label] -= current_sample_weight
 * 
 */
    __pyx_t_5 = __pyx_v_current_label;
    (__pyx_v_self->left_label_buffer[__pyx_t_5]) = ((__pyx_v_self->left_label_buffer[__pyx_t_5]) + __pyx_v_current_sample_weight);

    /* "wildboar/tree/_tree_builder.pyx":950
 *             right_sum -= current_sample_weight
 *             self.left_label_buffer[current_label] += current_sample_weight
 *             self.right_label_buffer[current_label] -= current_sample_weight             # <<<<<<<<<<<<<<
 * 
 *             prev_label = current_label
 */
    __pyx_t_5 = __pyx_v_current_label;
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  /* "wildboar/tree/_tree_builder.pyx":979
 *         self.tree = Tree(self.distance_measure, 1)
 *         self.left = RollingVariance()
 *         self.right = RollingVariance()             # <<<<<<<<<<<<<<
 * 
 *     cdef bint _is_pre_pruned(self, Py_ssize_t start, Py_ssize_t end) nogil:
 */
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 *     cdef RollingVariance left
 * 
 *     def __cinit__(             # <<<<<<<<<<<<<<
 *         self,
 *         Py_ssize_t n_shapelets,
 */

  /* function exit code */
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  __Pyx_XDECREF(__pyx_t_1);
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/* "wildboar/tree/_tree_builder.pyx":981
 *         self.right = RollingVariance()
 * 
 *     cdef bint _is_pre_pruned(self, Py_ssize_t start, Py_ssize_t end) nogil:             # <<<<<<<<<<<<<<
 *         cdef Py_ssize_t j
 *         cdef double sample_weight
 */

static int __pyx_f_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder__is_pre_pruned(struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end) {
  Py_ssize_t __pyx_v_j;
  double __pyx_v_sample_weight;
  Py_ssize_t __pyx_v_i;
  int __pyx_r;
  Py_ssize_t __pyx_t_1;
  Py_ssize_t __pyx_t_2;
  Py_ssize_t __pyx_t_3;
  int __pyx_t_4;

  /* "wildboar/tree/_tree_builder.pyx":984
 *         cdef Py_ssize_t j
 *         cdef double sample_weight
 *         self.n_weighted_samples = 0             # <<<<<<<<<<<<<<
 *         for i in range(start, end):
 *             j = self.samples[i]
 */
  __pyx_v_self->__pyx_base.n_weighted_samples = 0.0;

  /* "wildboar/tree/_tree_builder.pyx":985
 *         cdef double sample_weight
 *         self.n_weighted_samples = 0
 *         for i in range(start, end):             # <<<<<<<<<<<<<<
 *             j = self.samples[i]
 *             if self.sample_weights != NULL:
 */
  __pyx_t_1 = __pyx_v_end;
  __pyx_t_2 = __pyx_t_1;
  for (__pyx_t_3 = __pyx_v_start; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
    __pyx_v_i = __pyx_t_3;

    /* "wildboar/tree/_tree_builder.pyx":986
 *         self.n_weighted_samples = 0
 *         for i in range(start, end):
 *             j = self.samples[i]             # <<<<<<<<<<<<<<
 *             if self.sample_weights != NULL:
 *                 sample_weight = self.sample_weights[j]
 */
    __pyx_v_j = (__pyx_v_self->__pyx_base.samples[__pyx_v_i]);

    /* "wildboar/tree/_tree_builder.pyx":987
 *         for i in range(start, end):
 *             j = self.samples[i]
 *             if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *                 sample_weight = self.sample_weights[j]
 *             else:
 */
    __pyx_t_4 = ((__pyx_v_self->__pyx_base.sample_weights != NULL) != 0);
    if (__pyx_t_4) {

      /* "wildboar/tree/_tree_builder.pyx":988
 *             j = self.samples[i]
 *             if self.sample_weights != NULL:
 *                 sample_weight = self.sample_weights[j]             # <<<<<<<<<<<<<<
 *             else:
 *                 sample_weight = 1.0
 */
      __pyx_v_sample_weight = (__pyx_v_self->__pyx_base.sample_weights[__pyx_v_j]);

      /* "wildboar/tree/_tree_builder.pyx":987
 *         for i in range(start, end):
 *             j = self.samples[i]
 *             if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *                 sample_weight = self.sample_weights[j]
 *             else:
 */
      goto __pyx_L5;
    }

    /* "wildboar/tree/_tree_builder.pyx":990
 *                 sample_weight = self.sample_weights[j]
 *             else:
 *                 sample_weight = 1.0             # <<<<<<<<<<<<<<
 * 
 *             self.n_weighted_samples += sample_weight
 */
    /*else*/ {
      __pyx_v_sample_weight = 1.0;
    }
    __pyx_L5:;

    /* "wildboar/tree/_tree_builder.pyx":992
 *                 sample_weight = 1.0
 * 
 *             self.n_weighted_samples += sample_weight             # <<<<<<<<<<<<<<
 * 
 *         if end - start <= self.min_sample_split:
 */
    __pyx_v_self->__pyx_base.n_weighted_samples = (__pyx_v_self->__pyx_base.n_weighted_samples + __pyx_v_sample_weight);
  }

  /* "wildboar/tree/_tree_builder.pyx":994
 *             self.n_weighted_samples += sample_weight
 * 
 *         if end - start <= self.min_sample_split:             # <<<<<<<<<<<<<<
 *             return True
 *         return False
 */
  __pyx_t_4 = (((__pyx_v_end - __pyx_v_start) <= __pyx_v_self->__pyx_base.min_sample_split) != 0);
  if (__pyx_t_4) {

    /* "wildboar/tree/_tree_builder.pyx":995
 * 
 *         if end - start <= self.min_sample_split:
 *             return True             # <<<<<<<<<<<<<<
 *         return False
 * 
 */
    __pyx_r = 1;
    goto __pyx_L0;

    /* "wildboar/tree/_tree_builder.pyx":994
 *             self.n_weighted_samples += sample_weight
 * 
 *         if end - start <= self.min_sample_split:             # <<<<<<<<<<<<<<
 *             return True
 *         return False
 */
  }

  /* "wildboar/tree/_tree_builder.pyx":996
 *         if end - start <= self.min_sample_split:
 *             return True
 *         return False             # <<<<<<<<<<<<<<
 * 
 *     cdef Py_ssize_t new_leaf_node(
 */
  __pyx_r = 0;
  goto __pyx_L0;

  /* "wildboar/tree/_tree_builder.pyx":981
 *         self.right = RollingVariance()
 * 
 *     cdef bint _is_pre_pruned(self, Py_ssize_t start, Py_ssize_t end) nogil:             # <<<<<<<<<<<<<<
 *         cdef Py_ssize_t j
 *         cdef double sample_weight
 */

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

/* "wildboar/tree/_tree_builder.pyx":998
 *         return False
 * 
 *     cdef Py_ssize_t new_leaf_node(             # <<<<<<<<<<<<<<
 *         self,
 *         Py_ssize_t start,
 */

static Py_ssize_t __pyx_f_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder_new_leaf_node(struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, int __pyx_v_parent, int __pyx_v_is_left) {
  double __pyx_v_leaf_sum;
  double __pyx_v_current_sample_weight;
  Py_ssize_t __pyx_v_j;
  Py_ssize_t __pyx_v_node_id;
  Py_ssize_t __pyx_v_i;
  Py_ssize_t __pyx_v_p;
  Py_ssize_t __pyx_r;
  Py_ssize_t __pyx_t_1;
  Py_ssize_t __pyx_t_2;
  Py_ssize_t __pyx_t_3;
  int __pyx_t_4;

  /* "wildboar/tree/_tree_builder.pyx":1005
 *         bint is_left,
 *     ) nogil:
 *         cdef double leaf_sum = 0             # <<<<<<<<<<<<<<
 *         cdef double current_sample_weight = 0
 *         cdef Py_ssize_t j
 */
  __pyx_v_leaf_sum = 0.0;

  /* "wildboar/tree/_tree_builder.pyx":1006
 *     ) nogil:
 *         cdef double leaf_sum = 0
 *         cdef double current_sample_weight = 0             # <<<<<<<<<<<<<<
 *         cdef Py_ssize_t j
 *         cdef Py_ssize_t node_id
 */
  __pyx_v_current_sample_weight = 0.0;

  /* "wildboar/tree/_tree_builder.pyx":1009
 *         cdef Py_ssize_t j
 *         cdef Py_ssize_t node_id
 *         for i in range(start, end):             # <<<<<<<<<<<<<<
 *             j = self.samples[i]
 *             p = j * self.label_stride
 */
  __pyx_t_1 = __pyx_v_end;
  __pyx_t_2 = __pyx_t_1;
  for (__pyx_t_3 = __pyx_v_start; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
    __pyx_v_i = __pyx_t_3;

    /* "wildboar/tree/_tree_builder.pyx":1010
 *         cdef Py_ssize_t node_id
 *         for i in range(start, end):
 *             j = self.samples[i]             # <<<<<<<<<<<<<<
 *             p = j * self.label_stride
 *             if self.sample_weights != NULL:
 */
    __pyx_v_j = (__pyx_v_self->__pyx_base.samples[__pyx_v_i]);

    /* "wildboar/tree/_tree_builder.pyx":1011
 *         for i in range(start, end):
 *             j = self.samples[i]
 *             p = j * self.label_stride             # <<<<<<<<<<<<<<
 *             if self.sample_weights != NULL:
 *                 current_sample_weight = self.sample_weights[j]
 */
    __pyx_v_p = (__pyx_v_j * __pyx_v_self->__pyx_base.label_stride);

    /* "wildboar/tree/_tree_builder.pyx":1012
 *             j = self.samples[i]
 *             p = j * self.label_stride
 *             if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *                 current_sample_weight = self.sample_weights[j]
 *             else:
 */
    __pyx_t_4 = ((__pyx_v_self->__pyx_base.sample_weights != NULL) != 0);
    if (__pyx_t_4) {

      /* "wildboar/tree/_tree_builder.pyx":1013
 *             p = j * self.label_stride
 *             if self.sample_weights != NULL:
 *                 current_sample_weight = self.sample_weights[j]             # <<<<<<<<<<<<<<
 *             else:
 *                 current_sample_weight = 1.0
 */
      __pyx_v_current_sample_weight = (__pyx_v_self->__pyx_base.sample_weights[__pyx_v_j]);

      /* "wildboar/tree/_tree_builder.pyx":1012
 *             j = self.samples[i]
 *             p = j * self.label_stride
 *             if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *                 current_sample_weight = self.sample_weights[j]
 *             else:
 */
      goto __pyx_L5;
    }

    /* "wildboar/tree/_tree_builder.pyx":1015
 *                 current_sample_weight = self.sample_weights[j]
 *             else:
 *                 current_sample_weight = 1.0             # <<<<<<<<<<<<<<
 *             leaf_sum += self.labels[p] * current_sample_weight
 * 
 */
    /*else*/ {
      __pyx_v_current_sample_weight = 1.0;
    }
    __pyx_L5:;

    /* "wildboar/tree/_tree_builder.pyx":1016
 *             else:
 *                 current_sample_weight = 1.0
 *             leaf_sum += self.labels[p] * current_sample_weight             # <<<<<<<<<<<<<<
 * 
 *         node_id = self.tree.add_leaf_node(parent, is_left, end - start, self.n_weighted_samples)
 */
    __pyx_v_leaf_sum = (__pyx_v_leaf_sum + ((__pyx_v_self->labels[__pyx_v_p]) * __pyx_v_current_sample_weight));
  }

  /* "wildboar/tree/_tree_builder.pyx":1018
 *             leaf_sum += self.labels[p] * current_sample_weight
 * 
 *         node_id = self.tree.add_leaf_node(parent, is_left, end - start, self.n_weighted_samples)             # <<<<<<<<<<<<<<
 *         self.tree.set_leaf_value(node_id, 0, leaf_sum / self.n_weighted_samples)
 *         return node_id
 */
  __pyx_v_node_id = ((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_Tree *)__pyx_v_self->__pyx_base.tree->__pyx_vtab)->add_leaf_node(__pyx_v_self->__pyx_base.tree, __pyx_v_parent, __pyx_v_is_left, (__pyx_v_end - __pyx_v_start), __pyx_v_self->__pyx_base.n_weighted_samples);

  /* "wildboar/tree/_tree_builder.pyx":1019
 * 
 *         node_id = self.tree.add_leaf_node(parent, is_left, end - start, self.n_weighted_samples)
 *         self.tree.set_leaf_value(node_id, 0, leaf_sum / self.n_weighted_samples)             # <<<<<<<<<<<<<<
 *         return node_id
 * 
 */
  ((struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_Tree *)__pyx_v_self->__pyx_base.tree->__pyx_vtab)->set_leaf_value(__pyx_v_self->__pyx_base.tree, __pyx_v_node_id, 0, (__pyx_v_leaf_sum / __pyx_v_self->__pyx_base.n_weighted_samples));

  /* "wildboar/tree/_tree_builder.pyx":1020
 *         node_id = self.tree.add_leaf_node(parent, is_left, end - start, self.n_weighted_samples)
 *         self.tree.set_leaf_value(node_id, 0, leaf_sum / self.n_weighted_samples)
 *         return node_id             # <<<<<<<<<<<<<<
 * 
 *     cdef void _partition_distance_buffer(self,
 */
  __pyx_r = __pyx_v_node_id;
  goto __pyx_L0;

  /* "wildboar/tree/_tree_builder.pyx":998
 *         return False
 * 
 *     cdef Py_ssize_t new_leaf_node(             # <<<<<<<<<<<<<<
 *         self,
 *         Py_ssize_t start,
 */

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

/* "wildboar/tree/_tree_builder.pyx":1022
 *         return node_id
 * 
 *     cdef void _partition_distance_buffer(self,             # <<<<<<<<<<<<<<
 *                                          Py_ssize_t start,
 *                                          Py_ssize_t end,
 */

static void __pyx_f_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder__partition_distance_buffer(struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *__pyx_v_self, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_end, Py_ssize_t *__pyx_v_split_point, double *__pyx_v_threshold, double *__pyx_v_impurity) {
  Py_ssize_t __pyx_v_i;
  Py_ssize_t __pyx_v_j;
  Py_ssize_t __pyx_v_p;
  double __pyx_v_prev_distance;
  double __pyx_v_current_sample_weight;
  double __pyx_v_current_distance;
  double __pyx_v_current_impurity;
  double __pyx_v_current_val;
  int __pyx_t_1;
  Py_ssize_t __pyx_t_2;
  Py_ssize_t __pyx_t_3;
  Py_ssize_t __pyx_t_4;

  /* "wildboar/tree/_tree_builder.pyx":1052
 *         cdef double current_val
 * 
 *         j = self.samples[start]             # <<<<<<<<<<<<<<
 *         p = j * self.label_stride
 * 
 */
  __pyx_v_j = (__pyx_v_self->__pyx_base.samples[__pyx_v_start]);

  /* "wildboar/tree/_tree_builder.pyx":1053
 * 
 *         j = self.samples[start]
 *         p = j * self.label_stride             # <<<<<<<<<<<<<<
 * 
 *         prev_distance = self.distance_buffer[start]
 */
  __pyx_v_p = (__pyx_v_j * __pyx_v_self->__pyx_base.label_stride);

  /* "wildboar/tree/_tree_builder.pyx":1055
 *         p = j * self.label_stride
 * 
 *         prev_distance = self.distance_buffer[start]             # <<<<<<<<<<<<<<
 *         current_val = self.labels[p]
 * 
 */
  __pyx_v_prev_distance = (__pyx_v_self->__pyx_base.distance_buffer[__pyx_v_start]);

  /* "wildboar/tree/_tree_builder.pyx":1056
 * 
 *         prev_distance = self.distance_buffer[start]
 *         current_val = self.labels[p]             # <<<<<<<<<<<<<<
 * 
 *         if self.sample_weights != NULL:
 */
  __pyx_v_current_val = (__pyx_v_self->labels[__pyx_v_p]);

  /* "wildboar/tree/_tree_builder.pyx":1058
 *         current_val = self.labels[p]
 * 
 *         if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *             current_sample_weight = self.sample_weights[j]
 *         else:
 */
  __pyx_t_1 = ((__pyx_v_self->__pyx_base.sample_weights != NULL) != 0);
  if (__pyx_t_1) {

    /* "wildboar/tree/_tree_builder.pyx":1059
 * 
 *         if self.sample_weights != NULL:
 *             current_sample_weight = self.sample_weights[j]             # <<<<<<<<<<<<<<
 *         else:
 *             current_sample_weight = 1.0
 */
    __pyx_v_current_sample_weight = (__pyx_v_self->__pyx_base.sample_weights[__pyx_v_j]);

    /* "wildboar/tree/_tree_builder.pyx":1058
 *         current_val = self.labels[p]
 * 
 *         if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *             current_sample_weight = self.sample_weights[j]
 *         else:
 */
    goto __pyx_L3;
  }

  /* "wildboar/tree/_tree_builder.pyx":1061
 *             current_sample_weight = self.sample_weights[j]
 *         else:
 *             current_sample_weight = 1.0             # <<<<<<<<<<<<<<
 * 
 *         self.left._reset()
 */
  /*else*/ {
    __pyx_v_current_sample_weight = 1.0;
  }
  __pyx_L3:;

  /* "wildboar/tree/_tree_builder.pyx":1063
 *             current_sample_weight = 1.0
 * 
 *         self.left._reset()             # <<<<<<<<<<<<<<
 *         self.right._reset()
 *         self.left._add(current_sample_weight, current_val)
 */
  ((struct __pyx_vtabstruct_8wildboar_6_utils_RollingVariance *)__pyx_v_self->left->__pyx_vtab)->_reset(__pyx_v_self->left);

  /* "wildboar/tree/_tree_builder.pyx":1064
 * 
 *         self.left._reset()
 *         self.right._reset()             # <<<<<<<<<<<<<<
 *         self.left._add(current_sample_weight, current_val)
 * 
 */
  ((struct __pyx_vtabstruct_8wildboar_6_utils_RollingVariance *)__pyx_v_self->right->__pyx_vtab)->_reset(__pyx_v_self->right);

  /* "wildboar/tree/_tree_builder.pyx":1065
 *         self.left._reset()
 *         self.right._reset()
 *         self.left._add(current_sample_weight, current_val)             # <<<<<<<<<<<<<<
 * 
 *         for i in range(start + 1, end):
 */
  ((struct __pyx_vtabstruct_8wildboar_6_utils_RollingVariance *)__pyx_v_self->left->__pyx_vtab)->_add(__pyx_v_self->left, __pyx_v_current_sample_weight, __pyx_v_current_val);

  /* "wildboar/tree/_tree_builder.pyx":1067
 *         self.left._add(current_sample_weight, current_val)
 * 
 *         for i in range(start + 1, end):             # <<<<<<<<<<<<<<
 *             j = self.samples[i]
 *             p = j * self.label_stride
 */
  __pyx_t_2 = __pyx_v_end;
  __pyx_t_3 = __pyx_t_2;
  for (__pyx_t_4 = (__pyx_v_start + 1); __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
    __pyx_v_i = __pyx_t_4;

    /* "wildboar/tree/_tree_builder.pyx":1068
 * 
 *         for i in range(start + 1, end):
 *             j = self.samples[i]             # <<<<<<<<<<<<<<
 *             p = j * self.label_stride
 *             if self.sample_weights != NULL:
 */
    __pyx_v_j = (__pyx_v_self->__pyx_base.samples[__pyx_v_i]);

    /* "wildboar/tree/_tree_builder.pyx":1069
 *         for i in range(start + 1, end):
 *             j = self.samples[i]
 *             p = j * self.label_stride             # <<<<<<<<<<<<<<
 *             if self.sample_weights != NULL:
 *                 current_sample_weight = self.sample_weights[j]
 */
    __pyx_v_p = (__pyx_v_j * __pyx_v_self->__pyx_base.label_stride);

    /* "wildboar/tree/_tree_builder.pyx":1070
 *             j = self.samples[i]
 *             p = j * self.label_stride
 *             if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *                 current_sample_weight = self.sample_weights[j]
 *             else:
 */
    __pyx_t_1 = ((__pyx_v_self->__pyx_base.sample_weights != NULL) != 0);
    if (__pyx_t_1) {

      /* "wildboar/tree/_tree_builder.pyx":1071
 *             p = j * self.label_stride
 *             if self.sample_weights != NULL:
 *                 current_sample_weight = self.sample_weights[j]             # <<<<<<<<<<<<<<
 *             else:
 *                 current_sample_weight = 1.0
 */
      __pyx_v_current_sample_weight = (__pyx_v_self->__pyx_base.sample_weights[__pyx_v_j]);

      /* "wildboar/tree/_tree_builder.pyx":1070
 *             j = self.samples[i]
 *             p = j * self.label_stride
 *             if self.sample_weights != NULL:             # <<<<<<<<<<<<<<
 *                 current_sample_weight = self.sample_weights[j]
 *             else:
 */
      goto __pyx_L6;
    }

    /* "wildboar/tree/_tree_builder.pyx":1073
 *                 current_sample_weight = self.sample_weights[j]
 *             else:
 *                 current_sample_weight = 1.0             # <<<<<<<<<<<<<<
 * 
 *             current_val = self.labels[p]
 */
    /*else*/ {
      __pyx_v_current_sample_weight = 1.0;
    }
    __pyx_L6:;

    /* "wildboar/tree/_tree_builder.pyx":1075
 *                 current_sample_weight = 1.0
 * 
 *             current_val = self.labels[p]             # <<<<<<<<<<<<<<
 *             self.right._add(current_sample_weight, current_val)
 * 
 */
    __pyx_v_current_val = (__pyx_v_self->labels[__pyx_v_p]);

    /* "wildboar/tree/_tree_builder.pyx":1076
 * 
 *             current_val = self.labels[p]
 *             self.right._add(current_sample_weight, current_val)             # <<<<<<<<<<<<<<
 * 
 *         impurity[0] = self.left._variance() + self.right._variance()
 */
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  PyVarObject_HEAD_INIT(0, 0)
  "wildboar.tree._tree_builder.Tree", /*tp_name*/
  sizeof(struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_8wildboar_4tree_13_tree_builder_Tree, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_8wildboar_4tree_13_tree_builder_Tree, /*tp_traverse*/
  __pyx_tp_clear_8wildboar_4tree_13_tree_builder_Tree, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  __pyx_methods_8wildboar_4tree_13_tree_builder_Tree, /*tp_methods*/
  0, /*tp_members*/
  __pyx_getsets_8wildboar_4tree_13_tree_builder_Tree, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_8wildboar_4tree_13_tree_builder_Tree, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
};
static struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder __pyx_vtable_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder;

static PyObject *__pyx_tp_new_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k) {
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *p;
  PyObject *o;
  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
    o = (*t->tp_alloc)(t, 0);
  } else {
    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
  }
  if (unlikely(!o)) return 0;
  p = ((struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)o);
  p->__pyx_vtab = __pyx_vtabptr_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder;
  p->distance_measure = ((struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *)Py_None); Py_INCREF(Py_None);
  p->tree = ((struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *)Py_None); Py_INCREF(Py_None);
  if (unlikely(__pyx_pw_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_1__cinit__(o, a, k) < 0)) goto bad;
  return o;
  bad:
  Py_DECREF(o); o = 0;
  return NULL;
}

static void __pyx_tp_dealloc_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(PyObject *o) {
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *p = (struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)o;
  #if CYTHON_USE_TP_FINALIZE
  if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
    if (PyObject_CallFinalizerFromDealloc(o)) return;
  }
  #endif
  PyObject_GC_UnTrack(o);
  {
    PyObject *etype, *eval, *etb;
    PyErr_Fetch(&etype, &eval, &etb);
    __Pyx_SET_REFCNT(o, Py_REFCNT(o) + 1);
    __pyx_pw_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_3__dealloc__(o);
    __Pyx_SET_REFCNT(o, Py_REFCNT(o) - 1);
    PyErr_Restore(etype, eval, etb);
  }
  Py_CLEAR(p->distance_measure);
  Py_CLEAR(p->tree);
  (*Py_TYPE(o)->tp_free)(o);
}

static int __pyx_tp_traverse_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *p = (struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)o;
  if (p->distance_measure) {
    e = (*v)(((PyObject *)p->distance_measure), a); if (e) return e;
  }
  if (p->tree) {
    e = (*v)(((PyObject *)p->tree), a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *p = (struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder *)o;
  tmp = ((PyObject*)p->distance_measure);
  p->distance_measure = ((struct __pyx_obj_8wildboar_8distance_9_distance_DistanceMeasure *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->tree);
  p->tree = ((struct __pyx_obj_8wildboar_4tree_13_tree_builder_Tree *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyObject *__pyx_getprop_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_tree_(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_5tree__1__get__(o);
}

static PyMethodDef __pyx_methods_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder[] = {
  {"build_tree", (PyCFunction)__pyx_pw_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_5build_tree, METH_NOARGS, 0},
  {"__reduce_cython__", (PyCFunction)__pyx_pw_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_7__reduce_cython__, METH_NOARGS, 0},
  {"__setstate_cython__", (PyCFunction)__pyx_pw_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_9__setstate_cython__, METH_O, 0},
  {0, 0, 0, 0}
};

static struct PyGetSetDef __pyx_getsets_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder[] = {
  {(char *)"tree_", __pyx_getprop_8wildboar_4tree_13_tree_builder_19ShapeletTreeBuilder_tree_, 0, (char *)0, 0},
  {0, 0, 0, 0, 0}
};

static PyTypeObject __pyx_type_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder = {
  PyVarObject_HEAD_INIT(0, 0)
  "wildboar.tree._tree_builder.ShapeletTreeBuilder", /*tp_name*/
  sizeof(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
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  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder, /*tp_traverse*/
  __pyx_tp_clear_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  __pyx_methods_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder, /*tp_methods*/
  0, /*tp_members*/
  __pyx_getsets_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
};
static struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder __pyx_vtable_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder;

static PyObject *__pyx_tp_new_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k) {
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *p;
  PyObject *o = __pyx_tp_new_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(t, a, k);
  if (unlikely(!o)) return 0;
  p = ((struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder *)o);
  p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder*)__pyx_vtabptr_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder;
  if (unlikely(__pyx_pw_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder_1__cinit__(o, a, k) < 0)) goto bad;
  return o;
  bad:
  Py_DECREF(o); o = 0;
  return NULL;
}

static void __pyx_tp_dealloc_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder(PyObject *o) {
  #if CYTHON_USE_TP_FINALIZE
  if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
    if (PyObject_CallFinalizerFromDealloc(o)) return;
  }
  #endif
  PyObject_GC_UnTrack(o);
  {
    PyObject *etype, *eval, *etb;
    PyErr_Fetch(&etype, &eval, &etb);
    __Pyx_SET_REFCNT(o, Py_REFCNT(o) + 1);
    __pyx_pw_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder_3__dealloc__(o);
    __Pyx_SET_REFCNT(o, Py_REFCNT(o) - 1);
    PyErr_Restore(etype, eval, etb);
  }
  PyObject_GC_Track(o);
  __pyx_tp_dealloc_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(o);
}

static PyMethodDef __pyx_methods_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder[] = {
  {"__reduce_cython__", (PyCFunction)__pyx_pw_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder_5__reduce_cython__, METH_NOARGS, 0},
  {"__setstate_cython__", (PyCFunction)__pyx_pw_8wildboar_4tree_13_tree_builder_33ClassificationShapeletTreeBuilder_7__setstate_cython__, METH_O, 0},
  {0, 0, 0, 0}
};

static PyTypeObject __pyx_type_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder = {
  PyVarObject_HEAD_INIT(0, 0)
  "wildboar.tree._tree_builder.ClassificationShapeletTreeBuilder", /*tp_name*/
  sizeof(struct __pyx_obj_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder, /*tp_traverse*/
  __pyx_tp_clear_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  __pyx_methods_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_8wildboar_4tree_13_tree_builder_ClassificationShapeletTreeBuilder, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
};
static struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder __pyx_vtable_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder;

static PyObject *__pyx_tp_new_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k) {
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *p;
  PyObject *o = __pyx_tp_new_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(t, a, k);
  if (unlikely(!o)) return 0;
  p = ((struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *)o);
  p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder*)__pyx_vtabptr_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder;
  p->right = ((struct __pyx_obj_8wildboar_6_utils_RollingVariance *)Py_None); Py_INCREF(Py_None);
  p->left = ((struct __pyx_obj_8wildboar_6_utils_RollingVariance *)Py_None); Py_INCREF(Py_None);
  if (unlikely(__pyx_pw_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder_1__cinit__(o, a, k) < 0)) goto bad;
  return o;
  bad:
  Py_DECREF(o); o = 0;
  return NULL;
}

static void __pyx_tp_dealloc_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder(PyObject *o) {
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *p = (struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *)o;
  #if CYTHON_USE_TP_FINALIZE
  if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
    if (PyObject_CallFinalizerFromDealloc(o)) return;
  }
  #endif
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->right);
  Py_CLEAR(p->left);
  PyObject_GC_Track(o);
  __pyx_tp_dealloc_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(o);
}

static int __pyx_tp_traverse_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *p = (struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *)o;
  e = __pyx_tp_traverse_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(o, v, a); if (e) return e;
  if (p->right) {
    e = (*v)(((PyObject *)p->right), a); if (e) return e;
  }
  if (p->left) {
    e = (*v)(((PyObject *)p->left), a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *p = (struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder *)o;
  __pyx_tp_clear_8wildboar_4tree_13_tree_builder_ShapeletTreeBuilder(o);
  tmp = ((PyObject*)p->right);
  p->right = ((struct __pyx_obj_8wildboar_6_utils_RollingVariance *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->left);
  p->left = ((struct __pyx_obj_8wildboar_6_utils_RollingVariance *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyMethodDef __pyx_methods_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder[] = {
  {"__reduce_cython__", (PyCFunction)__pyx_pw_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder_3__reduce_cython__, METH_NOARGS, 0},
  {"__setstate_cython__", (PyCFunction)__pyx_pw_8wildboar_4tree_13_tree_builder_29RegressionShapeletTreeBuilder_5__setstate_cython__, METH_O, 0},
  {0, 0, 0, 0}
};

static PyTypeObject __pyx_type_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder = {
  PyVarObject_HEAD_INIT(0, 0)
  "wildboar.tree._tree_builder.RegressionShapeletTreeBuilder", /*tp_name*/
  sizeof(struct __pyx_obj_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
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  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
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  0, /*tp_repr*/
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  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder, /*tp_traverse*/
  __pyx_tp_clear_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  __pyx_methods_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
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  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_8wildboar_4tree_13_tree_builder_RegressionShapeletTreeBuilder, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
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  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
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    }
    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) {
        PyObject *r = PyList_GET_ITEM(o, wrapped_i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                              CYTHON_NCP_UNUSED int wraparound,
                                                              CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
    Py_ssize_t wrapped_i = i;
    if (wraparound & unlikely(i < 0)) {
        wrapped_i += PyTuple_GET_SIZE(o);
    }
    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) {
        PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
                                                     CYTHON_NCP_UNUSED int wraparound,
                                                     CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
    if (is_list || PyList_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
        if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) {
            PyObject *r = PyList_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    }
    else if (PyTuple_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) {
            PyObject *r = PyTuple_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    } else {
        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
        if (likely(m && m->sq_item)) {
            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
                Py_ssize_t l = m->sq_length(o);
                if (likely(l >= 0)) {
                    i += l;
                } else {
                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                        return NULL;
                    PyErr_Clear();
                }
            }
            return m->sq_item(o, i);
        }
    }
#else
    if (is_list || PySequence_Check(o)) {
        return PySequence_GetItem(o, i);
    }
#endif
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
}

/* RaiseArgTupleInvalid */
static void __Pyx_RaiseArgtupleInvalid(
    const char* func_name,
    int exact,
    Py_ssize_t num_min,
    Py_ssize_t num_max,
    Py_ssize_t num_found)
{
    Py_ssize_t num_expected;
    const char *more_or_less;
    if (num_found < num_min) {
        num_expected = num_min;
        more_or_less = "at least";
    } else {
        num_expected = num_max;
        more_or_less = "at most";
    }
    if (exact) {
        more_or_less = "exactly";
    }
    PyErr_Format(PyExc_TypeError,
                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
                 func_name, more_or_less, num_expected,
                 (num_expected == 1) ? "" : "s", num_found);
}

/* RaiseDoubleKeywords */
static void __Pyx_RaiseDoubleKeywordsError(
    const char* func_name,
    PyObject* kw_name)
{
    PyErr_Format(PyExc_TypeError,
        #if PY_MAJOR_VERSION >= 3
        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
        #else
        "%s() got multiple values for keyword argument '%s'", func_name,
        PyString_AsString(kw_name));
        #endif
}

/* ParseKeywords */
static int __Pyx_ParseOptionalKeywords(
    PyObject *kwds,
    PyObject **argnames[],
    PyObject *kwds2,
    PyObject *values[],
    Py_ssize_t num_pos_args,
    const char* function_name)
{
    PyObject *key = 0, *value = 0;
    Py_ssize_t pos = 0;
    PyObject*** name;
    PyObject*** first_kw_arg = argnames + num_pos_args;
    while (PyDict_Next(kwds, &pos, &key, &value)) {
        name = first_kw_arg;
        while (*name && (**name != key)) name++;
        if (*name) {
            values[name-argnames] = value;
            continue;
        }
        name = first_kw_arg;
        #if PY_MAJOR_VERSION < 3
        if (likely(PyString_Check(key))) {
            while (*name) {
                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
                        && _PyString_Eq(**name, key)) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    if ((**argname == key) || (
                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
                             && _PyString_Eq(**argname, key))) {
                        goto arg_passed_twice;
                    }
                    argname++;
                }
            }
        } else
        #endif
        if (likely(PyUnicode_Check(key))) {
            while (*name) {
                int cmp = (**name == key) ? 0 :
                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                    (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
                #endif
                    PyUnicode_Compare(**name, key);
                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                if (cmp == 0) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    int cmp = (**argname == key) ? 0 :
                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                        (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
                    #endif
                        PyUnicode_Compare(**argname, key);
                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                    if (cmp == 0) goto arg_passed_twice;
                    argname++;
                }
            }
        } else
            goto invalid_keyword_type;
        if (kwds2) {
            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
        } else {
            goto invalid_keyword;
        }
    }
    return 0;
arg_passed_twice:
    __Pyx_RaiseDoubleKeywordsError(function_name, key);
    goto bad;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%.200s() keywords must be strings", function_name);
    goto bad;
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%.200s() got an unexpected keyword argument '%.200s'",
        function_name, PyString_AsString(key));
    #else
        "%s() got an unexpected keyword argument '%U'",
        function_name, key);
    #endif
bad:
    return -1;
}

/* ArgTypeTest */
static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
{
    if (unlikely(!type)) {
        PyErr_SetString(PyExc_SystemError, "Missing type object");
        return 0;
    }
    else if (exact) {
        #if PY_MAJOR_VERSION == 2
        if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
        #endif
    }
    else {
        if (likely(__Pyx_TypeCheck(obj, type))) return 1;
    }
    PyErr_Format(PyExc_TypeError,
        "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
        name, type->tp_name, Py_TYPE(obj)->tp_name);
    return 0;
}

/* PyDictVersioning */
#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) {
    PyObject *dict = Py_TYPE(obj)->tp_dict;
    return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0;
}
static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) {
    PyObject **dictptr = NULL;
    Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset;
    if (offset) {
#if CYTHON_COMPILING_IN_CPYTHON
        dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj);
#else
        dictptr = _PyObject_GetDictPtr(obj);
#endif
    }
    return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0;
}
static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) {
    PyObject *dict = Py_TYPE(obj)->tp_dict;
    if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict)))
        return 0;
    return obj_dict_version == __Pyx_get_object_dict_version(obj);
}
#endif

/* GetModuleGlobalName */
#if CYTHON_USE_DICT_VERSIONS
static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value)
#else
static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
#endif
{
    PyObject *result;
#if !CYTHON_AVOID_BORROWED_REFS
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
    result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
    if (likely(result)) {
        return __Pyx_NewRef(result);
    } else if (unlikely(PyErr_Occurred())) {
        return NULL;
    }
#else
    result = PyDict_GetItem(__pyx_d, name);
    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
    if (likely(result)) {
        return __Pyx_NewRef(result);
    }
#endif
#else
    result = PyObject_GetItem(__pyx_d, name);
    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
    if (likely(result)) {
        return __Pyx_NewRef(result);
    }
    PyErr_Clear();
#endif
    return __Pyx_GetBuiltinName(name);
}

/* SetItemInt */
static int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
    int r;
    if (!j) return -1;
    r = PyObject_SetItem(o, j, v);
    Py_DECREF(j);
    return r;
}
static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v, int is_list,
                                               CYTHON_NCP_UNUSED int wraparound, CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
    if (is_list || PyList_CheckExact(o)) {
        Py_ssize_t n = (!wraparound) ? i : ((likely(i >= 0)) ? i : i + PyList_GET_SIZE(o));
        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o)))) {
            PyObject* old = PyList_GET_ITEM(o, n);
            Py_INCREF(v);
            PyList_SET_ITEM(o, n, v);
            Py_DECREF(old);
            return 1;
        }
    } else {
        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
        if (likely(m && m->sq_ass_item)) {
            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
                Py_ssize_t l = m->sq_length(o);
                if (likely(l >= 0)) {
                    i += l;
                } else {
                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                        return -1;
                    PyErr_Clear();
                }
            }
            return m->sq_ass_item(o, i, v);
        }
    }
#else
#if CYTHON_COMPILING_IN_PYPY
    if (is_list || (PySequence_Check(o) && !PyDict_Check(o)))
#else
    if (is_list || PySequence_Check(o))
#endif
    {
        return PySequence_SetItem(o, i, v);
    }
#endif
    return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
}

/* PyErrFetchRestore */
#if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    tmp_type = tstate->curexc_type;
    tmp_value = tstate->curexc_value;
    tmp_tb = tstate->curexc_traceback;
    tstate->curexc_type = type;
    tstate->curexc_value = value;
    tstate->curexc_traceback = tb;
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
}
static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    *type = tstate->curexc_type;
    *value = tstate->curexc_value;
    *tb = tstate->curexc_traceback;
    tstate->curexc_type = 0;
    tstate->curexc_value = 0;
    tstate->curexc_traceback = 0;
}
#endif

/* RaiseException */
#if PY_MAJOR_VERSION < 3
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                        CYTHON_UNUSED PyObject *cause) {
    __Pyx_PyThreadState_declare
    Py_XINCREF(type);
    if (!value || value == Py_None)
        value = NULL;
    else
        Py_INCREF(value);
    if (!tb || tb == Py_None)
        tb = NULL;
    else {
        Py_INCREF(tb);
        if (!PyTraceBack_Check(tb)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: arg 3 must be a traceback or None");
            goto raise_error;
        }
    }
    if (PyType_Check(type)) {
#if CYTHON_COMPILING_IN_PYPY
        if (!value) {
            Py_INCREF(Py_None);
            value = Py_None;
        }
#endif
        PyErr_NormalizeException(&type, &value, &tb);
    } else {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto raise_error;
        }
        value = type;
        type = (PyObject*) Py_TYPE(type);
        Py_INCREF(type);
        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: exception class must be a subclass of BaseException");
            goto raise_error;
        }
    }
    __Pyx_PyThreadState_assign
    __Pyx_ErrRestore(type, value, tb);
    return;
raise_error:
    Py_XDECREF(value);
    Py_XDECREF(type);
    Py_XDECREF(tb);
    return;
}
#else
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
    PyObject* owned_instance = NULL;
    if (tb == Py_None) {
        tb = 0;
    } else if (tb && !PyTraceBack_Check(tb)) {
        PyErr_SetString(PyExc_TypeError,
            "raise: arg 3 must be a traceback or None");
        goto bad;
    }
    if (value == Py_None)
        value = 0;
    if (PyExceptionInstance_Check(type)) {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto bad;
        }
        value = type;
        type = (PyObject*) Py_TYPE(value);
    } else if (PyExceptionClass_Check(type)) {
        PyObject *instance_class = NULL;
        if (value && PyExceptionInstance_Check(value)) {
            instance_class = (PyObject*) Py_TYPE(value);
            if (instance_class != type) {
                int is_subclass = PyObject_IsSubclass(instance_class, type);
                if (!is_subclass) {
                    instance_class = NULL;
                } else if (unlikely(is_subclass == -1)) {
                    goto bad;
                } else {
                    type = instance_class;
                }
            }
        }
        if (!instance_class) {
            PyObject *args;
            if (!value)
                args = PyTuple_New(0);
            else if (PyTuple_Check(value)) {
                Py_INCREF(value);
                args = value;
            } else
                args = PyTuple_Pack(1, value);
            if (!args)
                goto bad;
            owned_instance = PyObject_Call(type, args, NULL);
            Py_DECREF(args);
            if (!owned_instance)
                goto bad;
            value = owned_instance;
            if (!PyExceptionInstance_Check(value)) {
                PyErr_Format(PyExc_TypeError,
                             "calling %R should have returned an instance of "
                             "BaseException, not %R",
                             type, Py_TYPE(value));
                goto bad;
            }
        }
    } else {
        PyErr_SetString(PyExc_TypeError,
            "raise: exception class must be a subclass of BaseException");
        goto bad;
    }
    if (cause) {
        PyObject *fixed_cause;
        if (cause == Py_None) {
            fixed_cause = NULL;
        } else if (PyExceptionClass_Check(cause)) {
            fixed_cause = PyObject_CallObject(cause, NULL);
            if (fixed_cause == NULL)
                goto bad;
        } else if (PyExceptionInstance_Check(cause)) {
            fixed_cause = cause;
            Py_INCREF(fixed_cause);
        } else {
            PyErr_SetString(PyExc_TypeError,
                            "exception causes must derive from "
                            "BaseException");
            goto bad;
        }
        PyException_SetCause(value, fixed_cause);
    }
    PyErr_SetObject(type, value);
    if (tb) {
#if CYTHON_COMPILING_IN_PYPY
        PyObject *tmp_type, *tmp_value, *tmp_tb;
        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
        Py_INCREF(tb);
        PyErr_Restore(tmp_type, tmp_value, tb);
        Py_XDECREF(tmp_tb);
#else
        PyThreadState *tstate = __Pyx_PyThreadState_Current;
        PyObject* tmp_tb = tstate->curexc_traceback;
        if (tb != tmp_tb) {
            Py_INCREF(tb);
            tstate->curexc_traceback = tb;
            Py_XDECREF(tmp_tb);
        }
#endif
    }
bad:
    Py_XDECREF(owned_instance);
    return;
}
#endif

/* IsLittleEndian */
static CYTHON_INLINE int __Pyx_Is_Little_Endian(void)
{
  union {
    uint32_t u32;
    uint8_t u8[4];
  } S;
  S.u32 = 0x01020304;
  return S.u8[0] == 4;
}

/* BufferFormatCheck */
static void __Pyx_BufFmt_Init(__Pyx_BufFmt_Context* ctx,
                              __Pyx_BufFmt_StackElem* stack,
                              __Pyx_TypeInfo* type) {
  stack[0].field = &ctx->root;
  stack[0].parent_offset = 0;
  ctx->root.type = type;
  ctx->root.name = "buffer dtype";
  ctx->root.offset = 0;
  ctx->head = stack;
  ctx->head->field = &ctx->root;
  ctx->fmt_offset = 0;
  ctx->head->parent_offset = 0;
  ctx->new_packmode = '@';
  ctx->enc_packmode = '@';
  ctx->new_count = 1;
  ctx->enc_count = 0;
  ctx->enc_type = 0;
  ctx->is_complex = 0;
  ctx->is_valid_array = 0;
  ctx->struct_alignment = 0;
  while (type->typegroup == 'S') {
    ++ctx->head;
    ctx->head->field = type->fields;
    ctx->head->parent_offset = 0;
    type = type->fields->type;
  }
}
static int __Pyx_BufFmt_ParseNumber(const char** ts) {
    int count;
    const char* t = *ts;
    if (*t < '0' || *t > '9') {
      return -1;
    } else {
        count = *t++ - '0';
        while (*t >= '0' && *t <= '9') {
            count *= 10;
            count += *t++ - '0';
        }
    }
    *ts = t;
    return count;
}
static int __Pyx_BufFmt_ExpectNumber(const char **ts) {
    int number = __Pyx_BufFmt_ParseNumber(ts);
    if (number == -1)
        PyErr_Format(PyExc_ValueError,\
                     "Does not understand character buffer dtype format string ('%c')", **ts);
    return number;
}
static void __Pyx_BufFmt_RaiseUnexpectedChar(char ch) {
  PyErr_Format(PyExc_ValueError,
               "Unexpected format string character: '%c'", ch);
}
static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
  switch (ch) {
    case '?': return "'bool'";
    case 'c': return "'char'";
    case 'b': return "'signed char'";
    case 'B': return "'unsigned char'";
    case 'h': return "'short'";
    case 'H': return "'unsigned short'";
    case 'i': return "'int'";
    case 'I': return "'unsigned int'";
    case 'l': return "'long'";
    case 'L': return "'unsigned long'";
    case 'q': return "'long long'";
    case 'Q': return "'unsigned long long'";
    case 'f': return (is_complex ? "'complex float'" : "'float'");
    case 'd': return (is_complex ? "'complex double'" : "'double'");
    case 'g': return (is_complex ? "'complex long double'" : "'long double'");
    case 'T': return "a struct";
    case 'O': return "Python object";
    case 'P': return "a pointer";
    case 's': case 'p': return "a string";
    case 0: return "end";
    default: return "unparseable format string";
  }
}
static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
  switch (ch) {
    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
    case 'h': case 'H': return 2;
    case 'i': case 'I': case 'l': case 'L': return 4;
    case 'q': case 'Q': return 8;
    case 'f': return (is_complex ? 8 : 4);
    case 'd': return (is_complex ? 16 : 8);
    case 'g': {
      PyErr_SetString(PyExc_ValueError, "Python does not define a standard format string size for long double ('g')..");
      return 0;
    }
    case 'O': case 'P': return sizeof(void*);
    default:
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
}
static size_t __Pyx_BufFmt_TypeCharToNativeSize(char ch, int is_complex) {
  switch (ch) {
    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
    case 'h': case 'H': return sizeof(short);
    case 'i': case 'I': return sizeof(int);
    case 'l': case 'L': return sizeof(long);
    #ifdef HAVE_LONG_LONG
    case 'q': case 'Q': return sizeof(PY_LONG_LONG);
    #endif
    case 'f': return sizeof(float) * (is_complex ? 2 : 1);
    case 'd': return sizeof(double) * (is_complex ? 2 : 1);
    case 'g': return sizeof(long double) * (is_complex ? 2 : 1);
    case 'O': case 'P': return sizeof(void*);
    default: {
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
  }
}
typedef struct { char c; short x; } __Pyx_st_short;
typedef struct { char c; int x; } __Pyx_st_int;
typedef struct { char c; long x; } __Pyx_st_long;
typedef struct { char c; float x; } __Pyx_st_float;
typedef struct { char c; double x; } __Pyx_st_double;
typedef struct { char c; long double x; } __Pyx_st_longdouble;
typedef struct { char c; void *x; } __Pyx_st_void_p;
#ifdef HAVE_LONG_LONG
typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
#endif
static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, CYTHON_UNUSED int is_complex) {
  switch (ch) {
    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
    case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
    case 'i': case 'I': return sizeof(__Pyx_st_int) - sizeof(int);
    case 'l': case 'L': return sizeof(__Pyx_st_long) - sizeof(long);
#ifdef HAVE_LONG_LONG
    case 'q': case 'Q': return sizeof(__Pyx_st_longlong) - sizeof(PY_LONG_LONG);
#endif
    case 'f': return sizeof(__Pyx_st_float) - sizeof(float);
    case 'd': return sizeof(__Pyx_st_double) - sizeof(double);
    case 'g': return sizeof(__Pyx_st_longdouble) - sizeof(long double);
    case 'P': case 'O': return sizeof(__Pyx_st_void_p) - sizeof(void*);
    default:
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
}
/* These are for computing the padding at the end of the struct to align
   on the first member of the struct. This will probably the same as above,
   but we don't have any guarantees.
 */
typedef struct { short x; char c; } __Pyx_pad_short;
typedef struct { int x; char c; } __Pyx_pad_int;
typedef struct { long x; char c; } __Pyx_pad_long;
typedef struct { float x; char c; } __Pyx_pad_float;
typedef struct { double x; char c; } __Pyx_pad_double;
typedef struct { long double x; char c; } __Pyx_pad_longdouble;
typedef struct { void *x; char c; } __Pyx_pad_void_p;
#ifdef HAVE_LONG_LONG
typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
#endif
static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, CYTHON_UNUSED int is_complex) {
  switch (ch) {
    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
    case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
    case 'i': case 'I': return sizeof(__Pyx_pad_int) - sizeof(int);
    case 'l': case 'L': return sizeof(__Pyx_pad_long) - sizeof(long);
#ifdef HAVE_LONG_LONG
    case 'q': case 'Q': return sizeof(__Pyx_pad_longlong) - sizeof(PY_LONG_LONG);
#endif
    case 'f': return sizeof(__Pyx_pad_float) - sizeof(float);
    case 'd': return sizeof(__Pyx_pad_double) - sizeof(double);
    case 'g': return sizeof(__Pyx_pad_longdouble) - sizeof(long double);
    case 'P': case 'O': return sizeof(__Pyx_pad_void_p) - sizeof(void*);
    default:
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
}
static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) {
  switch (ch) {
    case 'c':
        return 'H';
    case 'b': case 'h': case 'i':
    case 'l': case 'q': case 's': case 'p':
        return 'I';
    case '?': case 'B': case 'H': case 'I': case 'L': case 'Q':
        return 'U';
    case 'f': case 'd': case 'g':
        return (is_complex ? 'C' : 'R');
    case 'O':
        return 'O';
    case 'P':
        return 'P';
    default: {
      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
      return 0;
    }
  }
}
static void __Pyx_BufFmt_RaiseExpected(__Pyx_BufFmt_Context* ctx) {
  if (ctx->head == NULL || ctx->head->field == &ctx->root) {
    const char* expected;
    const char* quote;
    if (ctx->head == NULL) {
      expected = "end";
      quote = "";
    } else {
      expected = ctx->head->field->type->name;
      quote = "'";
    }
    PyErr_Format(PyExc_ValueError,
                 "Buffer dtype mismatch, expected %s%s%s but got %s",
                 quote, expected, quote,
                 __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex));
  } else {
    __Pyx_StructField* field = ctx->head->field;
    __Pyx_StructField* parent = (ctx->head - 1)->field;
    PyErr_Format(PyExc_ValueError,
                 "Buffer dtype mismatch, expected '%s' but got %s in '%s.%s'",
                 field->type->name, __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex),
                 parent->type->name, field->name);
  }
}
static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
  char group;
  size_t size, offset, arraysize = 1;
  if (ctx->enc_type == 0) return 0;
  if (ctx->head->field->type->arraysize[0]) {
    int i, ndim = 0;
    if (ctx->enc_type == 's' || ctx->enc_type == 'p') {
        ctx->is_valid_array = ctx->head->field->type->ndim == 1;
        ndim = 1;
        if (ctx->enc_count != ctx->head->field->type->arraysize[0]) {
            PyErr_Format(PyExc_ValueError,
                         "Expected a dimension of size %zu, got %zu",
                         ctx->head->field->type->arraysize[0], ctx->enc_count);
            return -1;
        }
    }
    if (!ctx->is_valid_array) {
      PyErr_Format(PyExc_ValueError, "Expected %d dimensions, got %d",
                   ctx->head->field->type->ndim, ndim);
      return -1;
    }
    for (i = 0; i < ctx->head->field->type->ndim; i++) {
      arraysize *= ctx->head->field->type->arraysize[i];
    }
    ctx->is_valid_array = 0;
    ctx->enc_count = 1;
  }
  group = __Pyx_BufFmt_TypeCharToGroup(ctx->enc_type, ctx->is_complex);
  do {
    __Pyx_StructField* field = ctx->head->field;
    __Pyx_TypeInfo* type = field->type;
    if (ctx->enc_packmode == '@' || ctx->enc_packmode == '^') {
      size = __Pyx_BufFmt_TypeCharToNativeSize(ctx->enc_type, ctx->is_complex);
    } else {
      size = __Pyx_BufFmt_TypeCharToStandardSize(ctx->enc_type, ctx->is_complex);
    }
    if (ctx->enc_packmode == '@') {
      size_t align_at = __Pyx_BufFmt_TypeCharToAlignment(ctx->enc_type, ctx->is_complex);
      size_t align_mod_offset;
      if (align_at == 0) return -1;
      align_mod_offset = ctx->fmt_offset % align_at;
      if (align_mod_offset > 0) ctx->fmt_offset += align_at - align_mod_offset;
      if (ctx->struct_alignment == 0)
          ctx->struct_alignment = __Pyx_BufFmt_TypeCharToPadding(ctx->enc_type,
                                                                 ctx->is_complex);
    }
    if (type->size != size || type->typegroup != group) {
      if (type->typegroup == 'C' && type->fields != NULL) {
        size_t parent_offset = ctx->head->parent_offset + field->offset;
        ++ctx->head;
        ctx->head->field = type->fields;
        ctx->head->parent_offset = parent_offset;
        continue;
      }
      if ((type->typegroup == 'H' || group == 'H') && type->size == size) {
      } else {
          __Pyx_BufFmt_RaiseExpected(ctx);
          return -1;
      }
    }
    offset = ctx->head->parent_offset + field->offset;
    if (ctx->fmt_offset != offset) {
      PyErr_Format(PyExc_ValueError,
                   "Buffer dtype mismatch; next field is at offset %" CYTHON_FORMAT_SSIZE_T "d but %" CYTHON_FORMAT_SSIZE_T "d expected",
                   (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
      return -1;
    }
    ctx->fmt_offset += size;
    if (arraysize)
      ctx->fmt_offset += (arraysize - 1) * size;
    --ctx->enc_count;
    while (1) {
      if (field == &ctx->root) {
        ctx->head = NULL;
        if (ctx->enc_count != 0) {
          __Pyx_BufFmt_RaiseExpected(ctx);
          return -1;
        }
        break;
      }
      ctx->head->field = ++field;
      if (field->type == NULL) {
        --ctx->head;
        field = ctx->head->field;
        continue;
      } else if (field->type->typegroup == 'S') {
        size_t parent_offset = ctx->head->parent_offset + field->offset;
        if (field->type->fields->type == NULL) continue;
        field = field->type->fields;
        ++ctx->head;
        ctx->head->field = field;
        ctx->head->parent_offset = parent_offset;
        break;
      } else {
        break;
      }
    }
  } while (ctx->enc_count);
  ctx->enc_type = 0;
  ctx->is_complex = 0;
  return 0;
}
static PyObject *
__pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
{
    const char *ts = *tsp;
    int i = 0, number, ndim;
    ++ts;
    if (ctx->new_count != 1) {
        PyErr_SetString(PyExc_ValueError,
                        "Cannot handle repeated arrays in format string");
        return NULL;
    }
    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
    ndim = ctx->head->field->type->ndim;
    while (*ts && *ts != ')') {
        switch (*ts) {
            case ' ': case '\f': case '\r': case '\n': case '\t': case '\v':  continue;
            default:  break;
        }
        number = __Pyx_BufFmt_ExpectNumber(&ts);
        if (number == -1) return NULL;
        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
            return PyErr_Format(PyExc_ValueError,
                        "Expected a dimension of size %zu, got %d",
                        ctx->head->field->type->arraysize[i], number);
        if (*ts != ',' && *ts != ')')
            return PyErr_Format(PyExc_ValueError,
                                "Expected a comma in format string, got '%c'", *ts);
        if (*ts == ',') ts++;
        i++;
    }
    if (i != ndim)
        return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
                            ctx->head->field->type->ndim, i);
    if (!*ts) {
        PyErr_SetString(PyExc_ValueError,
                        "Unexpected end of format string, expected ')'");
        return NULL;
    }
    ctx->is_valid_array = 1;
    ctx->new_count = 1;
    *tsp = ++ts;
    return Py_None;
}
static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
  int got_Z = 0;
  while (1) {
    switch(*ts) {
      case 0:
        if (ctx->enc_type != 0 && ctx->head == NULL) {
          __Pyx_BufFmt_RaiseExpected(ctx);
          return NULL;
        }
        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
        if (ctx->head != NULL) {
          __Pyx_BufFmt_RaiseExpected(ctx);
          return NULL;
        }
        return ts;
      case ' ':
      case '\r':
      case '\n':
        ++ts;
        break;
      case '<':
        if (!__Pyx_Is_Little_Endian()) {
          PyErr_SetString(PyExc_ValueError, "Little-endian buffer not supported on big-endian compiler");
          return NULL;
        }
        ctx->new_packmode = '=';
        ++ts;
        break;
      case '>':
      case '!':
        if (__Pyx_Is_Little_Endian()) {
          PyErr_SetString(PyExc_ValueError, "Big-endian buffer not supported on little-endian compiler");
          return NULL;
        }
        ctx->new_packmode = '=';
        ++ts;
        break;
      case '=':
      case '@':
      case '^':
        ctx->new_packmode = *ts++;
        break;
      case 'T':
        {
          const char* ts_after_sub;
          size_t i, struct_count = ctx->new_count;
          size_t struct_alignment = ctx->struct_alignment;
          ctx->new_count = 1;
          ++ts;
          if (*ts != '{') {
            PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'");
            return NULL;
          }
          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
          ctx->enc_type = 0;
          ctx->enc_count = 0;
          ctx->struct_alignment = 0;
          ++ts;
          ts_after_sub = ts;
          for (i = 0; i != struct_count; ++i) {
            ts_after_sub = __Pyx_BufFmt_CheckString(ctx, ts);
            if (!ts_after_sub) return NULL;
          }
          ts = ts_after_sub;
          if (struct_alignment) ctx->struct_alignment = struct_alignment;
        }
        break;
      case '}':
        {
          size_t alignment = ctx->struct_alignment;
          ++ts;
          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
          ctx->enc_type = 0;
          if (alignment && ctx->fmt_offset % alignment) {
            ctx->fmt_offset += alignment - (ctx->fmt_offset % alignment);
          }
        }
        return ts;
      case 'x':
        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
        ctx->fmt_offset += ctx->new_count;
        ctx->new_count = 1;
        ctx->enc_count = 0;
        ctx->enc_type = 0;
        ctx->enc_packmode = ctx->new_packmode;
        ++ts;
        break;
      case 'Z':
        got_Z = 1;
        ++ts;
        if (*ts != 'f' && *ts != 'd' && *ts != 'g') {
          __Pyx_BufFmt_RaiseUnexpectedChar('Z');
          return NULL;
        }
        CYTHON_FALLTHROUGH;
      case '?': case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I':
      case 'l': case 'L': case 'q': case 'Q':
      case 'f': case 'd': case 'g':
      case 'O': case 'p':
        if ((ctx->enc_type == *ts) && (got_Z == ctx->is_complex) &&
            (ctx->enc_packmode == ctx->new_packmode) && (!ctx->is_valid_array)) {
          ctx->enc_count += ctx->new_count;
          ctx->new_count = 1;
          got_Z = 0;
          ++ts;
          break;
        }
        CYTHON_FALLTHROUGH;
      case 's':
        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
        ctx->enc_count = ctx->new_count;
        ctx->enc_packmode = ctx->new_packmode;
        ctx->enc_type = *ts;
        ctx->is_complex = got_Z;
        ++ts;
        ctx->new_count = 1;
        got_Z = 0;
        break;
      case ':':
        ++ts;
        while(*ts != ':') ++ts;
        ++ts;
        break;
      case '(':
        if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
        break;
      default:
        {
          int number = __Pyx_BufFmt_ExpectNumber(&ts);
          if (number == -1) return NULL;
          ctx->new_count = (size_t)number;
        }
    }
  }
}

/* BufferGetAndValidate */
  static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) {
  if (unlikely(info->buf == NULL)) return;
  if (info->suboffsets == __Pyx_minusones) info->suboffsets = NULL;
  __Pyx_ReleaseBuffer(info);
}
static 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 int __Pyx__GetBufferAndValidate(
        Py_buffer* buf, PyObject* obj,  __Pyx_TypeInfo* dtype, int flags,
        int nd, int cast, __Pyx_BufFmt_StackElem* stack)
{
  buf->buf = NULL;
  if (unlikely(__Pyx_GetBuffer(obj, buf, flags) == -1)) {
    __Pyx_ZeroBuffer(buf);
    return -1;
  }
  if (unlikely(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 (unlikely((size_t)buf->itemsize != dtype->size)) {
    PyErr_Format(PyExc_ValueError,
      "Item size of buffer (%" CYTHON_FORMAT_SSIZE_T "d byte%s) does not match size of '%s' (%" CYTHON_FORMAT_SSIZE_T "d byte%s)",
      buf->itemsize, (buf->itemsize > 1) ? "s" : "",
      dtype->name, (Py_ssize_t)dtype->size, (dtype->size > 1) ? "s" : "");
    goto fail;
  }
  if (buf->suboffsets == NULL) buf->suboffsets = __Pyx_minusones;
  return 0;
fail:;
  __Pyx_SafeReleaseBuffer(buf);
  return -1;
}

/* WriteUnraisableException */
  static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename,
                                  int full_traceback, CYTHON_UNUSED int nogil) {
    PyObject *old_exc, *old_val, *old_tb;
    PyObject *ctx;
    __Pyx_PyThreadState_declare
#ifdef WITH_THREAD
    PyGILState_STATE state;
    if (nogil)
        state = PyGILState_Ensure();
#ifdef _MSC_VER
    else state = (PyGILState_STATE)-1;
#endif
#endif
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
    if (full_traceback) {
        Py_XINCREF(old_exc);
        Py_XINCREF(old_val);
        Py_XINCREF(old_tb);
        __Pyx_ErrRestore(old_exc, old_val, old_tb);
        PyErr_PrintEx(1);
    }
    #if PY_MAJOR_VERSION < 3
    ctx = PyString_FromString(name);
    #else
    ctx = PyUnicode_FromString(name);
    #endif
    __Pyx_ErrRestore(old_exc, old_val, old_tb);
    if (!ctx) {
        PyErr_WriteUnraisable(Py_None);
    } else {
        PyErr_WriteUnraisable(ctx);
        Py_DECREF(ctx);
    }
#ifdef WITH_THREAD
    if (nogil)
        PyGILState_Release(state);
#endif
}

/* PyFloatBinop */
  #if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyFloat_NeObjC(PyObject *op1, PyObject *op2, double floatval, int inplace, int zerodivision_check) {
    const double b = floatval;
    double a;
    (void)inplace;
    (void)zerodivision_check;
    if (op1 == op2) {
        Py_RETURN_FALSE;
    }
    if (likely(PyFloat_CheckExact(op1))) {
        a = PyFloat_AS_DOUBLE(op1);
        
    } else
    #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_CheckExact(op1))) {
        a = (double) PyInt_AS_LONG(op1);
        
    } else
    #endif
    if (likely(PyLong_CheckExact(op1))) {
        #if CYTHON_USE_PYLONG_INTERNALS
        const digit* digits = ((PyLongObject*)op1)->ob_digit;
        const Py_ssize_t size = Py_SIZE(op1);
        switch (size) {
            case  0: a = 0.0; break;
            case -1: a = -(double) digits[0]; break;
            case  1: a = (double) digits[0]; break;
            case -2:
            case 2:
                if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT && ((8 * sizeof(unsigned long) < 53) || (1 * PyLong_SHIFT < 53))) {
                    a = (double) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                    if ((8 * sizeof(unsigned long) < 53) || (2 * PyLong_SHIFT < 53) || (a < (double) ((PY_LONG_LONG)1 << 53))) {
                        if (size == -2)
                            a = -a;
                        break;
                    }
                }
                CYTHON_FALLTHROUGH;
            case -3:
            case 3:
                if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT && ((8 * sizeof(unsigned long) < 53) || (2 * PyLong_SHIFT < 53))) {
                    a = (double) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                    if ((8 * sizeof(unsigned long) < 53) || (3 * PyLong_SHIFT < 53) || (a < (double) ((PY_LONG_LONG)1 << 53))) {
                        if (size == -3)
                            a = -a;
                        break;
                    }
                }
                CYTHON_FALLTHROUGH;
            case -4:
            case 4:
                if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT && ((8 * sizeof(unsigned long) < 53) || (3 * PyLong_SHIFT < 53))) {
                    a = (double) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                    if ((8 * sizeof(unsigned long) < 53) || (4 * PyLong_SHIFT < 53) || (a < (double) ((PY_LONG_LONG)1 << 53))) {
                        if (size == -4)
                            a = -a;
                        break;
                    }
                }
                CYTHON_FALLTHROUGH;
            default:
        #else
        {
        #endif
            return (
                PyFloat_Type.tp_richcompare(op2, op1, Py_NE));
        }
    } else {
        return (
            PyObject_RichCompare(op1, op2, Py_NE));
    }
        if (a != b) {
            Py_RETURN_TRUE;
        } else {
            Py_RETURN_FALSE;
        }
}
#endif

/* PyObjectCallNoArg */
    #if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
#if CYTHON_FAST_PYCALL
    if (PyFunction_Check(func)) {
        return __Pyx_PyFunction_FastCall(func, NULL, 0);
    }
#endif
#ifdef __Pyx_CyFunction_USED
    if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func)))
#else
    if (likely(PyCFunction_Check(func)))
#endif
    {
        if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
            return __Pyx_PyObject_CallMethO(func, NULL);
        }
    }
    return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
}
#endif

/* GetTopmostException */
    #if CYTHON_USE_EXC_INFO_STACK
static _PyErr_StackItem *
__Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
{
    _PyErr_StackItem *exc_info = tstate->exc_info;
    while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) &&
           exc_info->previous_item != NULL)
    {
        exc_info = exc_info->previous_item;
    }
    return exc_info;
}
#endif

/* SaveResetException */
    #if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    #if CYTHON_USE_EXC_INFO_STACK
    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
    *type = exc_info->exc_type;
    *value = exc_info->exc_value;
    *tb = exc_info->exc_traceback;
    #else
    *type = tstate->exc_type;
    *value = tstate->exc_value;
    *tb = tstate->exc_traceback;
    #endif
    Py_XINCREF(*type);
    Py_XINCREF(*value);
    Py_XINCREF(*tb);
}
static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    #if CYTHON_USE_EXC_INFO_STACK
    _PyErr_StackItem *exc_info = tstate->exc_info;
    tmp_type = exc_info->exc_type;
    tmp_value = exc_info->exc_value;
    tmp_tb = exc_info->exc_traceback;
    exc_info->exc_type = type;
    exc_info->exc_value = value;
    exc_info->exc_traceback = tb;
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = type;
    tstate->exc_value = value;
    tstate->exc_traceback = tb;
    #endif
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
}
#endif

/* PyErrExceptionMatches */
    #if CYTHON_FAST_THREAD_STATE
static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
    Py_ssize_t i, n;
    n = PyTuple_GET_SIZE(tuple);
#if PY_MAJOR_VERSION >= 3
    for (i=0; i<n; i++) {
        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
    }
#endif
    for (i=0; i<n; i++) {
        if (__Pyx_PyErr_GivenExceptionMatches(exc_type, PyTuple_GET_ITEM(tuple, i))) return 1;
    }
    return 0;
}
static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
    PyObject *exc_type = tstate->curexc_type;
    if (exc_type == err) return 1;
    if (unlikely(!exc_type)) return 0;
    if (unlikely(PyTuple_Check(err)))
        return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
    return __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
}
#endif

/* GetException */
    #if CYTHON_FAST_THREAD_STATE
static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb)
#else
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
#endif
{
    PyObject *local_type, *local_value, *local_tb;
#if CYTHON_FAST_THREAD_STATE
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    local_type = tstate->curexc_type;
    local_value = tstate->curexc_value;
    local_tb = tstate->curexc_traceback;
    tstate->curexc_type = 0;
    tstate->curexc_value = 0;
    tstate->curexc_traceback = 0;
#else
    PyErr_Fetch(&local_type, &local_value, &local_tb);
#endif
    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
#if CYTHON_FAST_THREAD_STATE
    if (unlikely(tstate->curexc_type))
#else
    if (unlikely(PyErr_Occurred()))
#endif
        goto bad;
    #if PY_MAJOR_VERSION >= 3
    if (local_tb) {
        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
            goto bad;
    }
    #endif
    Py_XINCREF(local_tb);
    Py_XINCREF(local_type);
    Py_XINCREF(local_value);
    *type = local_type;
    *value = local_value;
    *tb = local_tb;
#if CYTHON_FAST_THREAD_STATE
    #if CYTHON_USE_EXC_INFO_STACK
    {
        _PyErr_StackItem *exc_info = tstate->exc_info;
        tmp_type = exc_info->exc_type;
        tmp_value = exc_info->exc_value;
        tmp_tb = exc_info->exc_traceback;
        exc_info->exc_type = local_type;
        exc_info->exc_value = local_value;
        exc_info->exc_traceback = local_tb;
    }
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = local_type;
    tstate->exc_value = local_value;
    tstate->exc_traceback = local_tb;
    #endif
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
#else
    PyErr_SetExcInfo(local_type, local_value, local_tb);
#endif
    return 0;
bad:
    *type = 0;
    *value = 0;
    *tb = 0;
    Py_XDECREF(local_type);
    Py_XDECREF(local_value);
    Py_XDECREF(local_tb);
    return -1;
}

/* PyObject_GenericGetAttrNoDict */
    #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
    PyErr_Format(PyExc_AttributeError,
#if PY_MAJOR_VERSION >= 3
                 "'%.50s' object has no attribute '%U'",
                 tp->tp_name, attr_name);
#else
                 "'%.50s' object has no attribute '%.400s'",
                 tp->tp_name, PyString_AS_STRING(attr_name));
#endif
    return NULL;
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
    PyObject *descr;
    PyTypeObject *tp = Py_TYPE(obj);
    if (unlikely(!PyString_Check(attr_name))) {
        return PyObject_GenericGetAttr(obj, attr_name);
    }
    assert(!tp->tp_dictoffset);
    descr = _PyType_Lookup(tp, attr_name);
    if (unlikely(!descr)) {
        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
    }
    Py_INCREF(descr);
    #if PY_MAJOR_VERSION < 3
    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
    #endif
    {
        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
        if (unlikely(f)) {
            PyObject *res = f(descr, obj, (PyObject *)tp);
            Py_DECREF(descr);
            return res;
        }
    }
    return descr;
}
#endif

/* PyObject_GenericGetAttr */
    #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
    if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
        return PyObject_GenericGetAttr(obj, attr_name);
    }
    return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
}
#endif

/* SetVTable */
    static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
#if PY_VERSION_HEX >= 0x02070000
    PyObject *ob = PyCapsule_New(vtable, 0, 0);
#else
    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
#endif
    if (!ob)
        goto bad;
    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
        goto bad;
    Py_DECREF(ob);
    return 0;
bad:
    Py_XDECREF(ob);
    return -1;
}

/* PyObjectGetAttrStrNoError */
    static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
        __Pyx_PyErr_Clear();
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
    PyObject *result;
#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
    PyTypeObject* tp = Py_TYPE(obj);
    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
    }
#endif
    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
    if (unlikely(!result)) {
        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
    }
    return result;
}

/* SetupReduce */
    static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
  int ret;
  PyObject *name_attr;
  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name);
  if (likely(name_attr)) {
      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
  } else {
      ret = -1;
  }
  if (unlikely(ret < 0)) {
      PyErr_Clear();
      ret = 0;
  }
  Py_XDECREF(name_attr);
  return ret;
}
static int __Pyx_setup_reduce(PyObject* type_obj) {
    int ret = 0;
    PyObject *object_reduce = NULL;
    PyObject *object_reduce_ex = NULL;
    PyObject *reduce = NULL;
    PyObject *reduce_ex = NULL;
    PyObject *reduce_cython = NULL;
    PyObject *setstate = NULL;
    PyObject *setstate_cython = NULL;
#if CYTHON_USE_PYTYPE_LOOKUP
    if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
#else
    if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
#endif
#if CYTHON_USE_PYTYPE_LOOKUP
    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
#else
    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
#endif
    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
    if (reduce_ex == object_reduce_ex) {
#if CYTHON_USE_PYTYPE_LOOKUP
        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
#else
        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
#endif
        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
            if (likely(reduce_cython)) {
                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
            } else if (reduce == object_reduce || PyErr_Occurred()) {
                goto __PYX_BAD;
            }
            setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate);
            if (!setstate) PyErr_Clear();
            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
                if (likely(setstate_cython)) {
                    ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
                    ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
                } else if (!setstate || PyErr_Occurred()) {
                    goto __PYX_BAD;
                }
            }
            PyType_Modified((PyTypeObject*)type_obj);
        }
    }
    goto __PYX_GOOD;
__PYX_BAD:
    if (!PyErr_Occurred())
        PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name);
    ret = -1;
__PYX_GOOD:
#if !CYTHON_USE_PYTYPE_LOOKUP
    Py_XDECREF(object_reduce);
    Py_XDECREF(object_reduce_ex);
#endif
    Py_XDECREF(reduce);
    Py_XDECREF(reduce_ex);
    Py_XDECREF(reduce_cython);
    Py_XDECREF(setstate);
    Py_XDECREF(setstate_cython);
    return ret;
}

/* TypeImport */
    #ifndef __PYX_HAVE_RT_ImportType
#define __PYX_HAVE_RT_ImportType
static PyTypeObject *__Pyx_ImportType(PyObject *module, const char *module_name, const char *class_name,
    size_t size, enum __Pyx_ImportType_CheckSize check_size)
{
    PyObject *result = 0;
    char warning[200];
    Py_ssize_t basicsize;
#ifdef Py_LIMITED_API
    PyObject *py_basicsize;
#endif
    result = PyObject_GetAttrString(module, class_name);
    if (!result)
        goto bad;
    if (!PyType_Check(result)) {
        PyErr_Format(PyExc_TypeError,
            "%.200s.%.200s is not a type object",
            module_name, class_name);
        goto bad;
    }
#ifndef Py_LIMITED_API
    basicsize = ((PyTypeObject *)result)->tp_basicsize;
#else
    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
    if (!py_basicsize)
        goto bad;
    basicsize = PyLong_AsSsize_t(py_basicsize);
    Py_DECREF(py_basicsize);
    py_basicsize = 0;
    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
        goto bad;
#endif
    if ((size_t)basicsize < size) {
        PyErr_Format(PyExc_ValueError,
            "%.200s.%.200s size changed, may indicate binary incompatibility. "
            "Expected %zd from C header, got %zd from PyObject",
            module_name, class_name, size, basicsize);
        goto bad;
    }
    if (check_size == __Pyx_ImportType_CheckSize_Error && (size_t)basicsize != size) {
        PyErr_Format(PyExc_ValueError,
            "%.200s.%.200s size changed, may indicate binary incompatibility. "
            "Expected %zd from C header, got %zd from PyObject",
            module_name, class_name, size, basicsize);
        goto bad;
    }
    else if (check_size == __Pyx_ImportType_CheckSize_Warn && (size_t)basicsize > size) {
        PyOS_snprintf(warning, sizeof(warning),
            "%s.%s size changed, may indicate binary incompatibility. "
            "Expected %zd from C header, got %zd from PyObject",
            module_name, class_name, size, basicsize);
        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
    }
    return (PyTypeObject *)result;
bad:
    Py_XDECREF(result);
    return NULL;
}
#endif

/* GetVTable */
    static void* __Pyx_GetVtable(PyObject *dict) {
    void* ptr;
    PyObject *ob = PyObject_GetItem(dict, __pyx_n_s_pyx_vtable);
    if (!ob)
        goto bad;
#if PY_VERSION_HEX >= 0x02070000
    ptr = PyCapsule_GetPointer(ob, 0);
#else
    ptr = PyCObject_AsVoidPtr(ob);
#endif
    if (!ptr && !PyErr_Occurred())
        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
    Py_DECREF(ob);
    return ptr;
bad:
    Py_XDECREF(ob);
    return NULL;
}

/* Import */
    static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
    PyObject *empty_list = 0;
    PyObject *module = 0;
    PyObject *global_dict = 0;
    PyObject *empty_dict = 0;
    PyObject *list;
    #if PY_MAJOR_VERSION < 3
    PyObject *py_import;
    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
    if (!py_import)
        goto bad;
    #endif
    if (from_list)
        list = from_list;
    else {
        empty_list = PyList_New(0);
        if (!empty_list)
            goto bad;
        list = empty_list;
    }
    global_dict = PyModule_GetDict(__pyx_m);
    if (!global_dict)
        goto bad;
    empty_dict = PyDict_New();
    if (!empty_dict)
        goto bad;
    {
        #if PY_MAJOR_VERSION >= 3
        if (level == -1) {
            if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) {
                module = PyImport_ImportModuleLevelObject(
                    name, global_dict, empty_dict, list, 1);
                if (!module) {
                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
                        goto bad;
                    PyErr_Clear();
                }
            }
            level = 0;
        }
        #endif
        if (!module) {
            #if PY_MAJOR_VERSION < 3
            PyObject *py_level = PyInt_FromLong(level);
            if (!py_level)
                goto bad;
            module = PyObject_CallFunctionObjArgs(py_import,
                name, global_dict, empty_dict, list, py_level, (PyObject *)NULL);
            Py_DECREF(py_level);
            #else
            module = PyImport_ImportModuleLevelObject(
                name, global_dict, empty_dict, list, level);
            #endif
        }
    }
bad:
    #if PY_MAJOR_VERSION < 3
    Py_XDECREF(py_import);
    #endif
    Py_XDECREF(empty_list);
    Py_XDECREF(empty_dict);
    return module;
}

/* CLineInTraceback */
    #ifndef CYTHON_CLINE_IN_TRACEBACK
static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) {
    PyObject *use_cline;
    PyObject *ptype, *pvalue, *ptraceback;
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject **cython_runtime_dict;
#endif
    if (unlikely(!__pyx_cython_runtime)) {
        return c_line;
    }
    __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
#if CYTHON_COMPILING_IN_CPYTHON
    cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime);
    if (likely(cython_runtime_dict)) {
        __PYX_PY_DICT_LOOKUP_IF_MODIFIED(
            use_cline, *cython_runtime_dict,
            __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback))
    } else
#endif
    {
      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
      if (use_cline_obj) {
        use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
        Py_DECREF(use_cline_obj);
      } else {
        PyErr_Clear();
        use_cline = NULL;
      }
    }
    if (!use_cline) {
        c_line = 0;
        PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
    }
    else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
        c_line = 0;
    }
    __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
    return c_line;
}
#endif

/* CodeObjectCache */
    static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
    int start = 0, mid = 0, end = count - 1;
    if (end >= 0 && code_line > entries[end].code_line) {
        return count;
    }
    while (start < end) {
        mid = start + (end - start) / 2;
        if (code_line < entries[mid].code_line) {
            end = mid;
        } else if (code_line > entries[mid].code_line) {
             start = mid + 1;
        } else {
            return mid;
        }
    }
    if (code_line <= entries[mid].code_line) {
        return mid;
    } else {
        return mid + 1;
    }
}
static PyCodeObject *__pyx_find_code_object(int code_line) {
    PyCodeObject* code_object;
    int pos;
    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
        return NULL;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
        return NULL;
    }
    code_object = __pyx_code_cache.entries[pos].code_object;
    Py_INCREF(code_object);
    return code_object;
}
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
    int pos, i;
    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
    if (unlikely(!code_line)) {
        return;
    }
    if (unlikely(!entries)) {
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
        if (likely(entries)) {
            __pyx_code_cache.entries = entries;
            __pyx_code_cache.max_count = 64;
            __pyx_code_cache.count = 1;
            entries[0].code_line = code_line;
            entries[0].code_object = code_object;
            Py_INCREF(code_object);
        }
        return;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
        PyCodeObject* tmp = entries[pos].code_object;
        entries[pos].code_object = code_object;
        Py_DECREF(tmp);
        return;
    }
    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
        int new_max = __pyx_code_cache.max_count + 64;
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
            __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry));
        if (unlikely(!entries)) {
            return;
        }
        __pyx_code_cache.entries = entries;
        __pyx_code_cache.max_count = new_max;
    }
    for (i=__pyx_code_cache.count; i>pos; i--) {
        entries[i] = entries[i-1];
    }
    entries[pos].code_line = code_line;
    entries[pos].code_object = code_object;
    __pyx_code_cache.count++;
    Py_INCREF(code_object);
}

/* AddTraceback */
    #include "compile.h"
#include "frameobject.h"
#include "traceback.h"
static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
            const char *funcname, int c_line,
            int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(filename);
    #else
    py_srcfile = PyUnicode_FromString(filename);
    #endif
    if (!py_srcfile) goto bad;
    if (c_line) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #endif
    }
    else {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromString(funcname);
        #else
        py_funcname = PyUnicode_FromString(funcname);
        #endif
    }
    if (!py_funcname) goto bad;
    py_code = __Pyx_PyCode_New(
        0,
        0,
        0,
        0,
        0,
        __pyx_empty_bytes, /*PyObject *code,*/
        __pyx_empty_tuple, /*PyObject *consts,*/
        __pyx_empty_tuple, /*PyObject *names,*/
        __pyx_empty_tuple, /*PyObject *varnames,*/
        __pyx_empty_tuple, /*PyObject *freevars,*/
        __pyx_empty_tuple, /*PyObject *cellvars,*/
        py_srcfile,   /*PyObject *filename,*/
        py_funcname,  /*PyObject *name,*/
        py_line,
        __pyx_empty_bytes  /*PyObject *lnotab*/
    );
    Py_DECREF(py_srcfile);
    Py_DECREF(py_funcname);
    return py_code;
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    return NULL;
}
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;
    PyThreadState *tstate = __Pyx_PyThreadState_Current;
    if (c_line) {
        c_line = __Pyx_CLineForTraceback(tstate, c_line);
    }
    py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
    if (!py_code) {
        py_code = __Pyx_CreateCodeObjectForTraceback(
            funcname, c_line, py_line, filename);
        if (!py_code) goto bad;
        __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
    }
    py_frame = PyFrame_New(
        tstate,            /*PyThreadState *tstate,*/
        py_code,           /*PyCodeObject *code,*/
        __pyx_d,    /*PyObject *globals,*/
        0                  /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

#if PY_MAJOR_VERSION < 3
static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
    if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
    PyErr_Format(PyExc_TypeError, "'%.200s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
    return -1;
}
static void __Pyx_ReleaseBuffer(Py_buffer *view) {
    PyObject *obj = view->obj;
    if (!obj) return;
    if (PyObject_CheckBuffer(obj)) {
        PyBuffer_Release(view);
        return;
    }
    if ((0)) {}
    view->obj = NULL;
    Py_DECREF(obj);
}
#endif


    /* CIntFromPyVerify */
    #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
    {\
        func_type value = func_value;\
        if (sizeof(target_type) < sizeof(func_type)) {\
            if (unlikely(value != (func_type) (target_type) value)) {\
                func_type zero = 0;\
                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
                    return (target_type) -1;\
                if (is_unsigned && unlikely(value < zero))\
                    goto raise_neg_overflow;\
                else\
                    goto raise_overflow;\
            }\
        }\
        return (target_type) value;\
    }

/* Declarations */
    #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

/* Arithmetic */
    #if CYTHON_CCOMPLEX
#else
    static CYTHON_INLINE int __Pyx_c_eq_float(__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_sum_float(__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_diff_float(__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_prod_float(__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;
    }
    #if 1
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        if (b.imag == 0) {
            return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
        } else if (fabsf(b.real) >= fabsf(b.imag)) {
            if (b.real == 0 && b.imag == 0) {
                return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.imag);
            } else {
                float r = b.imag / b.real;
                float s = (float)(1.0) / (b.real + b.imag * r);
                return __pyx_t_float_complex_from_parts(
                    (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
            }
        } else {
            float r = b.real / b.imag;
            float s = (float)(1.0) / (b.imag + b.real * r);
            return __pyx_t_float_complex_from_parts(
                (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
        }
    }
    #else
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        if (b.imag == 0) {
            return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
        } else {
            float denom = b.real * b.real + b.imag * b.imag;
            return __pyx_t_float_complex_from_parts(
                (a.real * b.real + a.imag * b.imag) / denom,
                (a.imag * b.real - a.real * b.imag) / denom);
        }
    }
    #endif
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_neg_float(__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_zero_float(__pyx_t_float_complex a) {
       return (a.real == 0) && (a.imag == 0);
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conj_float(__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_abs_float(__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_pow_float(__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:
                        return __Pyx_c_prod_float(a, a);
                    case 3:
                        z = __Pyx_c_prod_float(a, a);
                        return __Pyx_c_prod_float(z, a);
                    case 4:
                        z = __Pyx_c_prod_float(a, a);
                        return __Pyx_c_prod_float(z, z);
                }
            }
            if (a.imag == 0) {
                if (a.real == 0) {
                    return a;
                } else if (b.imag == 0) {
                    z.real = powf(a.real, b.real);
                    z.imag = 0;
                    return z;
                } else if (a.real > 0) {
                    r = a.real;
                    theta = 0;
                } else {
                    r = -a.real;
                    theta = atan2f(0.0, -1.0);
                }
            } else {
                r = __Pyx_c_abs_float(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

/* Declarations */
    #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

/* Arithmetic */
    #if CYTHON_CCOMPLEX
#else
    static CYTHON_INLINE int __Pyx_c_eq_double(__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_double(__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_double(__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_double(__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;
    }
    #if 1
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        if (b.imag == 0) {
            return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
        } else if (fabs(b.real) >= fabs(b.imag)) {
            if (b.real == 0 && b.imag == 0) {
                return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.imag);
            } else {
                double r = b.imag / b.real;
                double s = (double)(1.0) / (b.real + b.imag * r);
                return __pyx_t_double_complex_from_parts(
                    (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
            }
        } else {
            double r = b.real / b.imag;
            double s = (double)(1.0) / (b.imag + b.real * r);
            return __pyx_t_double_complex_from_parts(
                (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
        }
    }
    #else
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        if (b.imag == 0) {
            return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
        } else {
            double denom = b.real * b.real + b.imag * b.imag;
            return __pyx_t_double_complex_from_parts(
                (a.real * b.real + a.imag * b.imag) / denom,
                (a.imag * b.real - a.real * b.imag) / denom);
        }
    }
    #endif
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg_double(__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_double(__pyx_t_double_complex a) {
       return (a.real == 0) && (a.imag == 0);
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj_double(__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_double(__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_double(__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:
                        return __Pyx_c_prod_double(a, a);
                    case 3:
                        z = __Pyx_c_prod_double(a, a);
                        return __Pyx_c_prod_double(z, a);
                    case 4:
                        z = __Pyx_c_prod_double(a, a);
                        return __Pyx_c_prod_double(z, z);
                }
            }
            if (a.imag == 0) {
                if (a.real == 0) {
                    return a;
                } else if (b.imag == 0) {
                    z.real = pow(a.real, b.real);
                    z.imag = 0;
                    return z;
                } else if (a.real > 0) {
                    r = a.real;
                    theta = 0;
                } else {
                    r = -a.real;
                    theta = atan2(0.0, -1.0);
                }
            } else {
                r = __Pyx_c_abs_double(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

/* CIntFromPy */
    static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const int neg_one = (int) -1, const_zero = (int) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(int) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (int) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (int) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(int) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(int) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            int val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (int) -1;
        }
    } else {
        int val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (int) -1;
        val = __Pyx_PyInt_As_int(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to int");
    return (int) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to int");
    return (int) -1;
}

/* CIntToPy */
    static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const int neg_one = (int) -1, const_zero = (int) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(int) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(int) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(int),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
    static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const long neg_one = (long) -1, const_zero = (long) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(long) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(long) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(long),
                                     little, !is_unsigned);
    }
}

/* CIntFromPy */
    static CYTHON_INLINE size_t __Pyx_PyInt_As_size_t(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const size_t neg_one = (size_t) -1, const_zero = (size_t) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(size_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(size_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (size_t) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (size_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(size_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 2 * PyLong_SHIFT) {
                            return (size_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 3 * PyLong_SHIFT) {
                            return (size_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(size_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 4 * PyLong_SHIFT) {
                            return (size_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (size_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(size_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(size_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (size_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(size_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(size_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(size_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                            return (size_t) ((((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                            return (size_t) ((((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 4 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(size_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 4 * PyLong_SHIFT) {
                            return (size_t) ((((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(size_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(size_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            size_t val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (size_t) -1;
        }
    } else {
        size_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (size_t) -1;
        val = __Pyx_PyInt_As_size_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to size_t");
    return (size_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to size_t");
    return (size_t) -1;
}

/* CIntFromPy */
    static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const long neg_one = (long) -1, const_zero = (long) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(long) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (long) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (long) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(long) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(long) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            long val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (long) -1;
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (long) -1;
        val = __Pyx_PyInt_As_long(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to long");
    return (long) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to long");
    return (long) -1;
}

/* FastTypeChecks */
    #if CYTHON_COMPILING_IN_CPYTHON
static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
    while (a) {
        a = a->tp_base;
        if (a == b)
            return 1;
    }
    return b == &PyBaseObject_Type;
}
static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
    PyObject *mro;
    if (a == b) return 1;
    mro = a->tp_mro;
    if (likely(mro)) {
        Py_ssize_t i, n;
        n = PyTuple_GET_SIZE(mro);
        for (i = 0; i < n; i++) {
            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
                return 1;
        }
        return 0;
    }
    return __Pyx_InBases(a, b);
}
#if PY_MAJOR_VERSION == 2
static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
    PyObject *exception, *value, *tb;
    int res;
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&exception, &value, &tb);
    res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
    if (unlikely(res == -1)) {
        PyErr_WriteUnraisable(err);
        res = 0;
    }
    if (!res) {
        res = PyObject_IsSubclass(err, exc_type2);
        if (unlikely(res == -1)) {
            PyErr_WriteUnraisable(err);
            res = 0;
        }
    }
    __Pyx_ErrRestore(exception, value, tb);
    return res;
}
#else
static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
    int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
    if (!res) {
        res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
    }
    return res;
}
#endif
static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
    Py_ssize_t i, n;
    assert(PyExceptionClass_Check(exc_type));
    n = PyTuple_GET_SIZE(tuple);
#if PY_MAJOR_VERSION >= 3
    for (i=0; i<n; i++) {
        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
    }
#endif
    for (i=0; i<n; i++) {
        PyObject *t = PyTuple_GET_ITEM(tuple, i);
        #if PY_MAJOR_VERSION < 3
        if (likely(exc_type == t)) return 1;
        #endif
        if (likely(PyExceptionClass_Check(t))) {
            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
        } else {
        }
    }
    return 0;
}
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
    if (likely(err == exc_type)) return 1;
    if (likely(PyExceptionClass_Check(err))) {
        if (likely(PyExceptionClass_Check(exc_type))) {
            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
        } else if (likely(PyTuple_Check(exc_type))) {
            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
        } else {
        }
    }
    return PyErr_GivenExceptionMatches(err, exc_type);
}
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
    assert(PyExceptionClass_Check(exc_type1));
    assert(PyExceptionClass_Check(exc_type2));
    if (likely(err == exc_type1 || err == exc_type2)) return 1;
    if (likely(PyExceptionClass_Check(err))) {
        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
    }
    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
}
#endif

/* CheckBinaryVersion */
    static int __Pyx_check_binary_version(void) {
    char ctversion[4], rtversion[4];
    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
        char message[200];
        PyOS_snprintf(message, sizeof(message),
                      "compiletime version %s of module '%.100s' "
                      "does not match runtime version %s",
                      ctversion, __Pyx_MODULE_NAME, rtversion);
        return PyErr_WarnEx(NULL, message, 1);
    }
    return 0;
}

/* FunctionImport */
    #ifndef __PYX_HAVE_RT_ImportFunction
#define __PYX_HAVE_RT_ImportFunction
static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig) {
    PyObject *d = 0;
    PyObject *cobj = 0;
    union {
        void (*fp)(void);
        void *p;
    } tmp;
    d = PyObject_GetAttrString(module, (char *)"__pyx_capi__");
    if (!d)
        goto bad;
    cobj = PyDict_GetItemString(d, funcname);
    if (!cobj) {
        PyErr_Format(PyExc_ImportError,
            "%.200s does not export expected C function %.200s",
                PyModule_GetName(module), funcname);
        goto bad;
    }
#if PY_VERSION_HEX >= 0x02070000
    if (!PyCapsule_IsValid(cobj, sig)) {
        PyErr_Format(PyExc_TypeError,
            "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
             PyModule_GetName(module), funcname, sig, PyCapsule_GetName(cobj));
        goto bad;
    }
    tmp.p = PyCapsule_GetPointer(cobj, sig);
#else
    {const char *desc, *s1, *s2;
    desc = (const char *)PyCObject_GetDesc(cobj);
    if (!desc)
        goto bad;
    s1 = desc; s2 = sig;
    while (*s1 != '\0' && *s1 == *s2) { s1++; s2++; }
    if (*s1 != *s2) {
        PyErr_Format(PyExc_TypeError,
            "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
             PyModule_GetName(module), funcname, sig, desc);
        goto bad;
    }
    tmp.p = PyCObject_AsVoidPtr(cobj);}
#endif
    *f = tmp.fp;
    if (!(*f))
        goto bad;
    Py_DECREF(d);
    return 0;
bad:
    Py_XDECREF(d);
    return -1;
}
#endif

/* InitStrings */
    static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
    while (t->p) {
        #if PY_MAJOR_VERSION < 3
        if (t->is_unicode) {
            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
        } else if (t->intern) {
            *t->p = PyString_InternFromString(t->s);
        } else {
            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
        }
        #else
        if (t->is_unicode | t->is_str) {
            if (t->intern) {
                *t->p = PyUnicode_InternFromString(t->s);
            } else if (t->encoding) {
                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
            } else {
                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
            }
        } else {
            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
        }
        #endif
        if (!*t->p)
            return -1;
        if (PyObject_Hash(*t->p) == -1)
            return -1;
        ++t;
    }
    return 0;
}

static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
}
static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
    Py_ssize_t ignore;
    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
}
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
#if !CYTHON_PEP393_ENABLED
static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
    char* defenc_c;
    PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
    if (!defenc) return NULL;
    defenc_c = PyBytes_AS_STRING(defenc);
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
    {
        char* end = defenc_c + PyBytes_GET_SIZE(defenc);
        char* c;
        for (c = defenc_c; c < end; c++) {
            if ((unsigned char) (*c) >= 128) {
                PyUnicode_AsASCIIString(o);
                return NULL;
            }
        }
    }
#endif
    *length = PyBytes_GET_SIZE(defenc);
    return defenc_c;
}
#else
static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
    if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL;
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
    if (likely(PyUnicode_IS_ASCII(o))) {
        *length = PyUnicode_GET_LENGTH(o);
        return PyUnicode_AsUTF8(o);
    } else {
        PyUnicode_AsASCIIString(o);
        return NULL;
    }
#else
    return PyUnicode_AsUTF8AndSize(o, length);
#endif
}
#endif
#endif
static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
    if (
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
            __Pyx_sys_getdefaultencoding_not_ascii &&
#endif
            PyUnicode_Check(o)) {
        return __Pyx_PyUnicode_AsStringAndSize(o, length);
    } else
#endif
#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
    if (PyByteArray_Check(o)) {
        *length = PyByteArray_GET_SIZE(o);
        return PyByteArray_AS_STRING(o);
    } else
#endif
    {
        char* result;
        int r = PyBytes_AsStringAndSize(o, &result, length);
        if (unlikely(r < 0)) {
            return NULL;
        } else {
            return result;
        }
    }
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
   int is_true = x == Py_True;
   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
   else return PyObject_IsTrue(x);
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
    int retval;
    if (unlikely(!x)) return -1;
    retval = __Pyx_PyObject_IsTrue(x);
    Py_DECREF(x);
    return retval;
}
static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
#if PY_MAJOR_VERSION >= 3
    if (PyLong_Check(result)) {
        if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
                "__int__ returned non-int (type %.200s).  "
                "The ability to return an instance of a strict subclass of int "
                "is deprecated, and may be removed in a future version of Python.",
                Py_TYPE(result)->tp_name)) {
            Py_DECREF(result);
            return NULL;
        }
        return result;
    }
#endif
    PyErr_Format(PyExc_TypeError,
                 "__%.4s__ returned non-%.4s (type %.200s)",
                 type_name, type_name, Py_TYPE(result)->tp_name);
    Py_DECREF(result);
    return NULL;
}
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
#if CYTHON_USE_TYPE_SLOTS
  PyNumberMethods *m;
#endif
  const char *name = NULL;
  PyObject *res = NULL;
#if PY_MAJOR_VERSION < 3
  if (likely(PyInt_Check(x) || PyLong_Check(x)))
#else
  if (likely(PyLong_Check(x)))
#endif
    return __Pyx_NewRef(x);
#if CYTHON_USE_TYPE_SLOTS
  m = Py_TYPE(x)->tp_as_number;
  #if PY_MAJOR_VERSION < 3
  if (m && m->nb_int) {
    name = "int";
    res = m->nb_int(x);
  }
  else if (m && m->nb_long) {
    name = "long";
    res = m->nb_long(x);
  }
  #else
  if (likely(m && m->nb_int)) {
    name = "int";
    res = m->nb_int(x);
  }
  #endif
#else
  if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) {
    res = PyNumber_Int(x);
  }
#endif
  if (likely(res)) {
#if PY_MAJOR_VERSION < 3
    if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) {
#else
    if (unlikely(!PyLong_CheckExact(res))) {
#endif
        return __Pyx_PyNumber_IntOrLongWrongResultType(res, name);
    }
  }
  else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_TypeError,
                    "an integer is required");
  }
  return res;
}
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
  Py_ssize_t ival;
  PyObject *x;
#if PY_MAJOR_VERSION < 3
  if (likely(PyInt_CheckExact(b))) {
    if (sizeof(Py_ssize_t) >= sizeof(long))
        return PyInt_AS_LONG(b);
    else
        return PyInt_AsSsize_t(b);
  }
#endif
  if (likely(PyLong_CheckExact(b))) {
    #if CYTHON_USE_PYLONG_INTERNALS
    const digit* digits = ((PyLongObject*)b)->ob_digit;
    const Py_ssize_t size = Py_SIZE(b);
    if (likely(__Pyx_sst_abs(size) <= 1)) {
        ival = likely(size) ? digits[0] : 0;
        if (size == -1) ival = -ival;
        return ival;
    } else {
      switch (size) {
         case 2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
      }
    }
    #endif
    return PyLong_AsSsize_t(b);
  }
  x = PyNumber_Index(b);
  if (!x) return -1;
  ival = PyInt_AsSsize_t(x);
  Py_DECREF(x);
  return ival;
}
static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
  return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
}
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
    return PyInt_FromSize_t(ival);
}


#endif /* Py_PYTHON_H */
