/* Generated by Cython 0.20.2 (Debian 0.20.2-1) on Sun Jan 18 18:44:54 2015 */

#define PY_SSIZE_T_CLEAN
#ifndef CYTHON_USE_PYLONG_INTERNALS
#ifdef PYLONG_BITS_IN_DIGIT
#define CYTHON_USE_PYLONG_INTERNALS 0
#else
#include "pyconfig.h"
#ifdef PYLONG_BITS_IN_DIGIT
#define CYTHON_USE_PYLONG_INTERNALS 1
#else
#define CYTHON_USE_PYLONG_INTERNALS 0
#endif
#endif
#endif
#include "Python.h"
#ifndef Py_PYTHON_H
    #error Python headers needed to compile C extensions, please install development version of Python.
#elif PY_VERSION_HEX < 0x02040000
    #error Cython requires Python 2.4+.
#else
#define CYTHON_ABI "0_20_2"
#include <stddef.h> /* For offsetof */
#ifndef offsetof
#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
#endif
#if !defined(WIN32) && !defined(MS_WINDOWS)
  #ifndef __stdcall
    #define __stdcall
  #endif
  #ifndef __cdecl
    #define __cdecl
  #endif
  #ifndef __fastcall
    #define __fastcall
  #endif
#endif
#ifndef DL_IMPORT
  #define DL_IMPORT(t) t
#endif
#ifndef DL_EXPORT
  #define DL_EXPORT(t) t
#endif
#ifndef PY_LONG_LONG
  #define PY_LONG_LONG LONG_LONG
#endif
#ifndef Py_HUGE_VAL
  #define Py_HUGE_VAL HUGE_VAL
#endif
#ifdef PYPY_VERSION
#define CYTHON_COMPILING_IN_PYPY 1
#define CYTHON_COMPILING_IN_CPYTHON 0
#else
#define CYTHON_COMPILING_IN_PYPY 0
#define CYTHON_COMPILING_IN_CPYTHON 1
#endif
#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600
#define Py_OptimizeFlag 0
#endif
#if PY_VERSION_HEX < 0x02050000
  typedef int Py_ssize_t;
  #define PY_SSIZE_T_MAX INT_MAX
  #define PY_SSIZE_T_MIN INT_MIN
  #define PY_FORMAT_SIZE_T ""
  #define CYTHON_FORMAT_SSIZE_T ""
  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_As_int(o)
  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
                                (PyErr_Format(PyExc_TypeError, \
                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
                                 (PyObject*)0))
  #define __Pyx_PyIndex_Check(o) (PyNumber_Check(o) && !PyFloat_Check(o) && \
                                  !PyComplex_Check(o))
  #define PyIndex_Check __Pyx_PyIndex_Check
  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
  #define __PYX_BUILD_PY_SSIZE_T "i"
#else
  #define __PYX_BUILD_PY_SSIZE_T "n"
  #define CYTHON_FORMAT_SSIZE_T "z"
  #define __Pyx_PyIndex_Check PyIndex_Check
#endif
#if PY_VERSION_HEX < 0x02060000
  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
  #define PyVarObject_HEAD_INIT(type, size) \
          PyObject_HEAD_INIT(type) size,
  #define PyType_Modified(t)
  typedef struct {
     void *buf;
     PyObject *obj;
     Py_ssize_t len;
     Py_ssize_t itemsize;
     int readonly;
     int ndim;
     char *format;
     Py_ssize_t *shape;
     Py_ssize_t *strides;
     Py_ssize_t *suboffsets;
     void *internal;
  } Py_buffer;
  #define PyBUF_SIMPLE 0
  #define PyBUF_WRITABLE 0x0001
  #define PyBUF_FORMAT 0x0004
  #define PyBUF_ND 0x0008
  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
#endif
#if PY_MAJOR_VERSION < 3
  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
  #define __Pyx_DefaultClassType PyClass_Type
#else
  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
  #define __Pyx_DefaultClassType PyType_Type
#endif
#if PY_VERSION_HEX < 0x02060000
  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
#endif
#if PY_MAJOR_VERSION >= 3
  #define Py_TPFLAGS_CHECKTYPES 0
  #define Py_TPFLAGS_HAVE_INDEX 0
#endif
#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
#endif
#if PY_VERSION_HEX < 0x02060000
  #define Py_TPFLAGS_HAVE_VERSION_TAG 0
#endif
#if PY_VERSION_HEX < 0x02060000 && !defined(Py_TPFLAGS_IS_ABSTRACT)
  #define Py_TPFLAGS_IS_ABSTRACT 0
#endif
#if PY_VERSION_HEX < 0x030400a1 && !defined(Py_TPFLAGS_HAVE_FINALIZE)
  #define Py_TPFLAGS_HAVE_FINALIZE 0
#endif
#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
  #define CYTHON_PEP393_ENABLED 1
  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
                                              0 : _PyUnicode_Ready((PyObject *)(op)))
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
#else
  #define CYTHON_PEP393_ENABLED 0
  #define __Pyx_PyUnicode_READY(op)       (0)
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
#endif
#if CYTHON_COMPILING_IN_PYPY
  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
#else
  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
#endif
#define __Pyx_PyString_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
#else
  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBaseString_Type            PyUnicode_Type
  #define PyStringObject               PyUnicodeObject
  #define PyString_Type                PyUnicode_Type
  #define PyString_Check               PyUnicode_Check
  #define PyString_CheckExact          PyUnicode_CheckExact
#endif
#if PY_VERSION_HEX < 0x02060000
  #define PyBytesObject                PyStringObject
  #define PyBytes_Type                 PyString_Type
  #define PyBytes_Check                PyString_Check
  #define PyBytes_CheckExact           PyString_CheckExact
  #define PyBytes_FromString           PyString_FromString
  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
  #define PyBytes_FromFormat           PyString_FromFormat
  #define PyBytes_DecodeEscape         PyString_DecodeEscape
  #define PyBytes_AsString             PyString_AsString
  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
  #define PyBytes_Size                 PyString_Size
  #define PyBytes_AS_STRING            PyString_AS_STRING
  #define PyBytes_GET_SIZE             PyString_GET_SIZE
  #define PyBytes_Repr                 PyString_Repr
  #define PyBytes_Concat               PyString_Concat
  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
#else
  #define __Pyx_PyBaseString_Check(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj) || \
                                         PyString_Check(obj) || PyUnicode_Check(obj))
  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
#endif
#if PY_VERSION_HEX < 0x02060000
  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
#endif
#ifndef PySet_CheckExact
  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
#endif
#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
#if PY_MAJOR_VERSION >= 3
  #define PyIntObject                  PyLongObject
  #define PyInt_Type                   PyLong_Type
  #define PyInt_Check(op)              PyLong_Check(op)
  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
  #define PyInt_FromString             PyLong_FromString
  #define PyInt_FromUnicode            PyLong_FromUnicode
  #define PyInt_FromLong               PyLong_FromLong
  #define PyInt_FromSize_t             PyLong_FromSize_t
  #define PyInt_FromSsize_t            PyLong_FromSsize_t
  #define PyInt_AsLong                 PyLong_AsLong
  #define PyInt_AS_LONG                PyLong_AS_LONG
  #define PyInt_AsSsize_t              PyLong_AsSsize_t
  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
  #define PyNumber_Int                 PyNumber_Long
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBoolObject                 PyLongObject
#endif
#if PY_VERSION_HEX < 0x030200A4
  typedef long Py_hash_t;
  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
#else
  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
#endif
#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
#else
  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
#endif
#if PY_VERSION_HEX < 0x02050000
  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
#else
  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
#endif
#if PY_VERSION_HEX < 0x02050000
  #define __Pyx_NAMESTR(n) ((char *)(n))
  #define __Pyx_DOCSTR(n)  ((char *)(n))
#else
  #define __Pyx_NAMESTR(n) (n)
  #define __Pyx_DOCSTR(n)  (n)
#endif
#ifndef CYTHON_INLINE
  #if defined(__GNUC__)
    #define CYTHON_INLINE __inline__
  #elif defined(_MSC_VER)
    #define CYTHON_INLINE __inline
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_INLINE inline
  #else
    #define CYTHON_INLINE
  #endif
#endif
#ifndef CYTHON_RESTRICT
  #if defined(__GNUC__)
    #define CYTHON_RESTRICT __restrict__
  #elif defined(_MSC_VER) && _MSC_VER >= 1400
    #define CYTHON_RESTRICT __restrict
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_RESTRICT restrict
  #else
    #define CYTHON_RESTRICT
  #endif
#endif
#ifdef NAN
#define __PYX_NAN() ((float) NAN)
#else
static CYTHON_INLINE float __PYX_NAN() {
  /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and
   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
   a quiet NaN. */
  float value;
  memset(&value, 0xFF, sizeof(value));
  return value;
}
#endif
#ifdef __cplusplus
template<typename T>
void __Pyx_call_destructor(T* x) {
    x->~T();
}
#endif


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

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

#if defined(WIN32) || defined(MS_WINDOWS)
#define _USE_MATH_DEFINES
#endif
#include <math.h>
#define __PYX_HAVE__scipy__spatial__ckdtree
#define __PYX_HAVE_API__scipy__spatial__ckdtree
#include "string.h"
#include "stdio.h"
#include "stdlib.h"
#include "numpy/arrayobject.h"
#include "numpy/ufuncobject.h"
#include "limits.h"
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */

#ifdef PYREX_WITHOUT_ASSERTIONS
#define CYTHON_WITHOUT_ASSERTIONS
#endif

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

#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
#define __PYX_DEFAULT_STRING_ENCODING ""
#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#define __Pyx_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 char* __Pyx_PyObject_AsString(PyObject*);
static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
#define __Pyx_PyBytes_FromString        PyBytes_FromString
#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
#if PY_MAJOR_VERSION < 3
    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#else
    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
#endif
#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((const char*)s)
#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((const char*)s)
#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((const char*)s)
#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((const char*)s)
#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((const char*)s)
#if PY_MAJOR_VERSION < 3
static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
{
    const Py_UNICODE *u_end = u;
    while (*u_end++) ;
    return (size_t)(u_end - u - 1);
}
#else
#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
#endif
#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
#if CYTHON_COMPILING_IN_CPYTHON
#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
#else
#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
#endif
#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
static int __Pyx_sys_getdefaultencoding_not_ascii;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    PyObject* ascii_chars_u = NULL;
    PyObject* ascii_chars_b = NULL;
    const char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) (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;
    if (strcmp(default_encoding_c, "ascii") == 0) {
        __Pyx_sys_getdefaultencoding_not_ascii = 0;
    } else {
        char ascii_chars[128];
        int c;
        for (c = 0; c < 128; c++) {
            ascii_chars[c] = c;
        }
        __Pyx_sys_getdefaultencoding_not_ascii = 1;
        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
        if (!ascii_chars_u) goto bad;
        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
        if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
            PyErr_Format(
                PyExc_ValueError,
                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
                default_encoding_c);
            goto bad;
        }
        Py_DECREF(ascii_chars_u);
        Py_DECREF(ascii_chars_b);
    }
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    Py_XDECREF(ascii_chars_u);
    Py_XDECREF(ascii_chars_b);
    return -1;
}
#endif
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
#else
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
static char* __PYX_DEFAULT_STRING_ENCODING;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    return -1;
}
#endif
#endif


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

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

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


static const char *__pyx_f[] = {
  "ckdtree.pyx",
  "__init__.pxd",
  "type.pxd",
};
#define IS_UNSIGNED(type) (((type) -1) > 0)
struct __Pyx_StructField_;
#define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
typedef struct {
  const char* name; /* for error messages only */
  struct __Pyx_StructField_* fields;
  size_t size;     /* sizeof(type) */
  size_t arraysize[8]; /* length of array in each dimension */
  int ndim;
  char typegroup; /* _R_eal, _C_omplex, Signed _I_nt, _U_nsigned int, _S_truct, _P_ointer, _O_bject, c_H_ar */
  char is_unsigned;
  int flags;
} __Pyx_TypeInfo;
typedef struct __Pyx_StructField_ {
  __Pyx_TypeInfo* type;
  const char* name;
  size_t offset;
} __Pyx_StructField;
typedef struct {
  __Pyx_StructField* field;
  size_t parent_offset;
} __Pyx_BufFmt_StackElem;
typedef struct {
  __Pyx_StructField root;
  __Pyx_BufFmt_StackElem* head;
  size_t fmt_offset;
  size_t new_count, enc_count;
  size_t struct_alignment;
  int is_complex;
  char enc_type;
  char new_packmode;
  char enc_packmode;
  char is_valid_array;
} __Pyx_BufFmt_Context;


/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":723
 * # in Cython to enable them only on the right systems.
 * 
 * ctypedef npy_int8       int8_t             # <<<<<<<<<<<<<<
 * ctypedef npy_int16      int16_t
 * ctypedef npy_int32      int32_t
 */
typedef npy_int8 __pyx_t_5numpy_int8_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":724
 * 
 * ctypedef npy_int8       int8_t
 * ctypedef npy_int16      int16_t             # <<<<<<<<<<<<<<
 * ctypedef npy_int32      int32_t
 * ctypedef npy_int64      int64_t
 */
typedef npy_int16 __pyx_t_5numpy_int16_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":725
 * ctypedef npy_int8       int8_t
 * ctypedef npy_int16      int16_t
 * ctypedef npy_int32      int32_t             # <<<<<<<<<<<<<<
 * ctypedef npy_int64      int64_t
 * #ctypedef npy_int96      int96_t
 */
typedef npy_int32 __pyx_t_5numpy_int32_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":726
 * ctypedef npy_int16      int16_t
 * ctypedef npy_int32      int32_t
 * ctypedef npy_int64      int64_t             # <<<<<<<<<<<<<<
 * #ctypedef npy_int96      int96_t
 * #ctypedef npy_int128     int128_t
 */
typedef npy_int64 __pyx_t_5numpy_int64_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":730
 * #ctypedef npy_int128     int128_t
 * 
 * ctypedef npy_uint8      uint8_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uint16     uint16_t
 * ctypedef npy_uint32     uint32_t
 */
typedef npy_uint8 __pyx_t_5numpy_uint8_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":731
 * 
 * ctypedef npy_uint8      uint8_t
 * ctypedef npy_uint16     uint16_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uint32     uint32_t
 * ctypedef npy_uint64     uint64_t
 */
typedef npy_uint16 __pyx_t_5numpy_uint16_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":732
 * ctypedef npy_uint8      uint8_t
 * ctypedef npy_uint16     uint16_t
 * ctypedef npy_uint32     uint32_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uint64     uint64_t
 * #ctypedef npy_uint96     uint96_t
 */
typedef npy_uint32 __pyx_t_5numpy_uint32_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":733
 * ctypedef npy_uint16     uint16_t
 * ctypedef npy_uint32     uint32_t
 * ctypedef npy_uint64     uint64_t             # <<<<<<<<<<<<<<
 * #ctypedef npy_uint96     uint96_t
 * #ctypedef npy_uint128    uint128_t
 */
typedef npy_uint64 __pyx_t_5numpy_uint64_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":737
 * #ctypedef npy_uint128    uint128_t
 * 
 * ctypedef npy_float32    float32_t             # <<<<<<<<<<<<<<
 * ctypedef npy_float64    float64_t
 * #ctypedef npy_float80    float80_t
 */
typedef npy_float32 __pyx_t_5numpy_float32_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":738
 * 
 * ctypedef npy_float32    float32_t
 * ctypedef npy_float64    float64_t             # <<<<<<<<<<<<<<
 * #ctypedef npy_float80    float80_t
 * #ctypedef npy_float128   float128_t
 */
typedef npy_float64 __pyx_t_5numpy_float64_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":747
 * # The int types are mapped a bit surprising --
 * # numpy.int corresponds to 'l' and numpy.long to 'q'
 * ctypedef npy_long       int_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longlong   long_t
 * ctypedef npy_longlong   longlong_t
 */
typedef npy_long __pyx_t_5numpy_int_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":748
 * # numpy.int corresponds to 'l' and numpy.long to 'q'
 * ctypedef npy_long       int_t
 * ctypedef npy_longlong   long_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longlong   longlong_t
 * 
 */
typedef npy_longlong __pyx_t_5numpy_long_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":749
 * ctypedef npy_long       int_t
 * ctypedef npy_longlong   long_t
 * ctypedef npy_longlong   longlong_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_ulong      uint_t
 */
typedef npy_longlong __pyx_t_5numpy_longlong_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":751
 * ctypedef npy_longlong   longlong_t
 * 
 * ctypedef npy_ulong      uint_t             # <<<<<<<<<<<<<<
 * ctypedef npy_ulonglong  ulong_t
 * ctypedef npy_ulonglong  ulonglong_t
 */
typedef npy_ulong __pyx_t_5numpy_uint_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":752
 * 
 * ctypedef npy_ulong      uint_t
 * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 */
typedef npy_ulonglong __pyx_t_5numpy_ulong_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":753
 * ctypedef npy_ulong      uint_t
 * ctypedef npy_ulonglong  ulong_t
 * ctypedef npy_ulonglong  ulonglong_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_intp       intp_t
 */
typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":755
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uintp      uintp_t
 * 
 */
typedef npy_intp __pyx_t_5numpy_intp_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":756
 * 
 * ctypedef npy_intp       intp_t
 * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_double     float_t
 */
typedef npy_uintp __pyx_t_5numpy_uintp_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":758
 * ctypedef npy_uintp      uintp_t
 * 
 * ctypedef npy_double     float_t             # <<<<<<<<<<<<<<
 * ctypedef npy_double     double_t
 * ctypedef npy_longdouble longdouble_t
 */
typedef npy_double __pyx_t_5numpy_float_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":759
 * 
 * ctypedef npy_double     float_t
 * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longdouble longdouble_t
 * 
 */
typedef npy_double __pyx_t_5numpy_double_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":760
 * ctypedef npy_double     float_t
 * ctypedef npy_double     double_t
 * ctypedef npy_longdouble longdouble_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_cfloat      cfloat_t
 */
typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    typedef ::std::complex< float > __pyx_t_float_complex;
  #else
    typedef float _Complex __pyx_t_float_complex;
  #endif
#else
    typedef struct { float real, imag; } __pyx_t_float_complex;
#endif

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


/*--- Type declarations ---*/
struct __pyx_obj_5scipy_7spatial_7ckdtree_heap;
struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries;
struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle;
struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker;
struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker;
struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":762
 * ctypedef npy_longdouble longdouble_t
 * 
 * ctypedef npy_cfloat      cfloat_t             # <<<<<<<<<<<<<<
 * ctypedef npy_cdouble     cdouble_t
 * ctypedef npy_clongdouble clongdouble_t
 */
typedef npy_cfloat __pyx_t_5numpy_cfloat_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":763
 * 
 * ctypedef npy_cfloat      cfloat_t
 * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
 * ctypedef npy_clongdouble clongdouble_t
 * 
 */
typedef npy_cdouble __pyx_t_5numpy_cdouble_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":764
 * ctypedef npy_cfloat      cfloat_t
 * ctypedef npy_cdouble     cdouble_t
 * ctypedef npy_clongdouble clongdouble_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_cdouble     complex_t
 */
typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;

/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":766
 * ctypedef npy_clongdouble clongdouble_t
 * 
 * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
 * 
 * cdef inline object PyArray_MultiIterNew1(a):
 */
typedef npy_cdouble __pyx_t_5numpy_complex_t;
union __pyx_t_5scipy_7spatial_7ckdtree_heapcontents;
struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem;
struct __pyx_t_5scipy_7spatial_7ckdtree_RR_stack_item;
struct __pyx_t_5scipy_7spatial_7ckdtree_RP_stack_item;
struct __pyx_t_5scipy_7spatial_7ckdtree_innernode;
struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode;
struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo;

/* "scipy/spatial/ckdtree.pyx":88
 * # Priority queue
 * # ==============
 * cdef union heapcontents:    # FIXME: Unions are not always portable, verify this             # <<<<<<<<<<<<<<
 *     np.intp_t intdata     # union is never used in an ABI dependent way.
 *     char* ptrdata
 */
union __pyx_t_5scipy_7spatial_7ckdtree_heapcontents {
  __pyx_t_5numpy_intp_t intdata;
  char *ptrdata;
};

/* "scipy/spatial/ckdtree.pyx":92
 *     char* ptrdata
 * 
 * cdef struct heapitem:             # <<<<<<<<<<<<<<
 *     np.float64_t priority
 *     heapcontents contents
 */
struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem {
  __pyx_t_5numpy_float64_t priority;
  union __pyx_t_5scipy_7spatial_7ckdtree_heapcontents contents;
};

/* "scipy/spatial/ckdtree.pyx":412
 * # dist_tracker.pop()
 * 
 * cdef struct RR_stack_item:             # <<<<<<<<<<<<<<
 *     np.intp_t which
 *     np.intp_t split_dim
 */
struct __pyx_t_5scipy_7spatial_7ckdtree_RR_stack_item {
  __pyx_t_5numpy_intp_t which;
  __pyx_t_5numpy_intp_t split_dim;
  double min_along_dim;
  double max_along_dim;
  __pyx_t_5numpy_float64_t min_distance;
  __pyx_t_5numpy_float64_t max_distance;
};

/* "scipy/spatial/ckdtree.pyx":595
 * # dist_tracker.pop()
 * 
 * cdef struct RP_stack_item:             # <<<<<<<<<<<<<<
 *     np.intp_t split_dim
 *     double min_along_dim, max_along_dim
 */
struct __pyx_t_5scipy_7spatial_7ckdtree_RP_stack_item {
  __pyx_t_5numpy_intp_t split_dim;
  double min_along_dim;
  double max_along_dim;
  __pyx_t_5numpy_float64_t min_distance;
  __pyx_t_5numpy_float64_t max_distance;
};

/* "scipy/spatial/ckdtree.pyx":731
 * # Tree structure
 * # ==============
 * cdef struct innernode:             # <<<<<<<<<<<<<<
 *     np.intp_t split_dim
 *     np.intp_t children
 */
struct __pyx_t_5scipy_7spatial_7ckdtree_innernode {
  __pyx_t_5numpy_intp_t split_dim;
  __pyx_t_5numpy_intp_t children;
  __pyx_t_5numpy_float64_t split;
  struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *less;
  struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *greater;
};

/* "scipy/spatial/ckdtree.pyx":738
 *     innernode* greater
 * 
 * cdef struct leafnode:             # <<<<<<<<<<<<<<
 *     np.intp_t split_dim
 *     np.intp_t children
 */
struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode {
  __pyx_t_5numpy_intp_t split_dim;
  __pyx_t_5numpy_intp_t children;
  __pyx_t_5numpy_intp_t start_idx;
  __pyx_t_5numpy_intp_t end_idx;
};

/* "scipy/spatial/ckdtree.pyx":748
 * # malloc sizeof(nodeinfo)+self.m*sizeof(np.float64_t) bytes.
 * 
 * cdef struct nodeinfo:             # <<<<<<<<<<<<<<
 *     innernode* node
 *     np.float64_t side_distances[0]  # FIXME: Only valid in C99, invalid C++ and C89
 */
struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo {
  struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *node;
  __pyx_t_5numpy_float64_t side_distances[0];
};

/* "scipy/spatial/ckdtree.pyx":96
 *     heapcontents contents
 * 
 * cdef class heap(object):             # <<<<<<<<<<<<<<
 *     cdef np.intp_t n
 *     cdef heapitem* heap
 */
struct __pyx_obj_5scipy_7spatial_7ckdtree_heap {
  PyObject_HEAD
  struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_heap *__pyx_vtab;
  __pyx_t_5numpy_intp_t n;
  struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem *heap;
  __pyx_t_5numpy_intp_t space;
};


/* "scipy/spatial/ckdtree.pyx":201
 * 
 * # Utility for building a coo matrix incrementally
 * cdef class coo_entries:             # <<<<<<<<<<<<<<
 *     cdef:
 *         np.intp_t n, n_max
 */
struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries {
  PyObject_HEAD
  struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_coo_entries *__pyx_vtab;
  __pyx_t_5numpy_intp_t n;
  __pyx_t_5numpy_intp_t n_max;
  PyArrayObject *i;
  PyArrayObject *j;
  PyArrayObject *v;
  __pyx_t_5numpy_intp_t *i_data;
  __pyx_t_5numpy_intp_t *j_data;
  __pyx_t_5numpy_float64_t *v_data;
};


/* "scipy/spatial/ckdtree.pyx":290
 * # ===================
 * 
 * cdef class Rectangle:             # <<<<<<<<<<<<<<
 *     cdef np.intp_t m
 *     cdef np.float64_t *mins
 */
struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle {
  PyObject_HEAD
  __pyx_t_5numpy_intp_t m;
  __pyx_t_5numpy_float64_t *mins;
  __pyx_t_5numpy_float64_t *maxes;
  PyArrayObject *mins_arr;
  PyArrayObject *maxes_arr;
};


/* "scipy/spatial/ckdtree.pyx":421
 * cdef np.intp_t GREATER = 2
 * 
 * cdef class RectRectDistanceTracker(object):             # <<<<<<<<<<<<<<
 *     cdef Rectangle rect1, rect2
 *     cdef np.float64_t p, epsfac, upper_bound
 */
struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker {
  PyObject_HEAD
  struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *__pyx_vtab;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *rect1;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *rect2;
  __pyx_t_5numpy_float64_t p;
  __pyx_t_5numpy_float64_t epsfac;
  __pyx_t_5numpy_float64_t upper_bound;
  __pyx_t_5numpy_float64_t min_distance;
  __pyx_t_5numpy_float64_t max_distance;
  __pyx_t_5numpy_intp_t stack_size;
  __pyx_t_5numpy_intp_t stack_max_size;
  struct __pyx_t_5scipy_7spatial_7ckdtree_RR_stack_item *stack;
};


/* "scipy/spatial/ckdtree.pyx":600
 *     np.float64_t min_distance, max_distance
 * 
 * cdef class PointRectDistanceTracker(object):             # <<<<<<<<<<<<<<
 *     cdef Rectangle rect
 *     cdef np.float64_t *pt
 */
struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker {
  PyObject_HEAD
  struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *__pyx_vtab;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *rect;
  __pyx_t_5numpy_float64_t *pt;
  __pyx_t_5numpy_float64_t p;
  __pyx_t_5numpy_float64_t epsfac;
  __pyx_t_5numpy_float64_t upper_bound;
  __pyx_t_5numpy_float64_t min_distance;
  __pyx_t_5numpy_float64_t max_distance;
  __pyx_t_5numpy_intp_t stack_size;
  __pyx_t_5numpy_intp_t stack_max_size;
  struct __pyx_t_5scipy_7spatial_7ckdtree_RP_stack_item *stack;
};


/* "scipy/spatial/ckdtree.pyx":755
 * # Main class
 * # ==========
 * cdef class cKDTree:             # <<<<<<<<<<<<<<
 *     """
 *     cKDTree(data, int leafsize=10)
 */
struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree {
  PyObject_HEAD
  struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *__pyx_vtab;
  struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *tree;
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  __pyx_t_5numpy_float64_t *raw_data;
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  __pyx_t_5numpy_intp_t m;
  __pyx_t_5numpy_intp_t leafsize;
  PyArrayObject *maxes;
  __pyx_t_5numpy_float64_t *raw_maxes;
  PyArrayObject *mins;
  __pyx_t_5numpy_float64_t *raw_mins;
  PyArrayObject *indices;
  __pyx_t_5numpy_intp_t *raw_indices;
};



/* "scipy/spatial/ckdtree.pyx":96
 *     heapcontents contents
 * 
 * cdef class heap(object):             # <<<<<<<<<<<<<<
 *     cdef np.intp_t n
 *     cdef heapitem* heap
 */

struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_heap {
  int (*_resize)(struct __pyx_obj_5scipy_7spatial_7ckdtree_heap *, __pyx_t_5numpy_intp_t);
  int (*push)(struct __pyx_obj_5scipy_7spatial_7ckdtree_heap *, struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem);
  struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem (*peek)(struct __pyx_obj_5scipy_7spatial_7ckdtree_heap *);
  int (*remove)(struct __pyx_obj_5scipy_7spatial_7ckdtree_heap *);
  int (*pop)(struct __pyx_obj_5scipy_7spatial_7ckdtree_heap *, struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem *);
};
static struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_heap *__pyx_vtabptr_5scipy_7spatial_7ckdtree_heap;
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_4heap__resize(struct __pyx_obj_5scipy_7spatial_7ckdtree_heap *, __pyx_t_5numpy_intp_t);
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_4heap_push(struct __pyx_obj_5scipy_7spatial_7ckdtree_heap *, struct __pyx_t_5scipy_7spatial_7ckdtree_heapitem);


/* "scipy/spatial/ckdtree.pyx":201
 * 
 * # Utility for building a coo matrix incrementally
 * cdef class coo_entries:             # <<<<<<<<<<<<<<
 *     cdef:
 *         np.intp_t n, n_max
 */

struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_coo_entries {
  void (*add)(struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t);
};
static struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_coo_entries *__pyx_vtabptr_5scipy_7spatial_7ckdtree_coo_entries;


/* "scipy/spatial/ckdtree.pyx":421
 * cdef np.intp_t GREATER = 2
 * 
 * cdef class RectRectDistanceTracker(object):             # <<<<<<<<<<<<<<
 *     cdef Rectangle rect1, rect2
 *     cdef np.float64_t p, epsfac, upper_bound
 */

struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_RectRectDistanceTracker {
  int (*_init_stack)(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *);
  int (*_resize_stack)(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *, __pyx_t_5numpy_intp_t);
  int (*_free_stack)(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *);
  int (*push)(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t);
  int (*push_less_of)(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *, __pyx_t_5numpy_intp_t, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
  int (*push_greater_of)(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *, __pyx_t_5numpy_intp_t, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
  int (*pop)(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *);
};
static struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *__pyx_vtabptr_5scipy_7spatial_7ckdtree_RectRectDistanceTracker;
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *, __pyx_t_5numpy_intp_t, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *, __pyx_t_5numpy_intp_t, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *);


/* "scipy/spatial/ckdtree.pyx":600
 *     np.float64_t min_distance, max_distance
 * 
 * cdef class PointRectDistanceTracker(object):             # <<<<<<<<<<<<<<
 *     cdef Rectangle rect
 *     cdef np.float64_t *pt
 */

struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_PointRectDistanceTracker {
  int (*_init_stack)(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *);
  int (*_resize_stack)(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *, __pyx_t_5numpy_intp_t);
  int (*_free_stack)(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *);
  PyObject *(*init)(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *, __pyx_t_5numpy_float64_t *, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *, __pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t);
  int (*push)(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t);
  int (*push_less_of)(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
  int (*push_greater_of)(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
  int (*pop)(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *);
};
static struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *__pyx_vtabptr_5scipy_7spatial_7ckdtree_PointRectDistanceTracker;
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_24PointRectDistanceTracker_push_less_of(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_24PointRectDistanceTracker_push_greater_of(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_24PointRectDistanceTracker_pop(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *);


/* "scipy/spatial/ckdtree.pyx":755
 * # Main class
 * # ==========
 * cdef class cKDTree:             # <<<<<<<<<<<<<<
 *     """
 *     cKDTree(data, int leafsize=10)
 */

struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree {
  struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *(*__pyx___build)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t *, __pyx_t_5numpy_float64_t *);
  PyObject *(*__pyx___free_tree)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
  int (*__pyx___query)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, __pyx_t_5numpy_float64_t *, __pyx_t_5numpy_intp_t *, __pyx_t_5numpy_float64_t *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t);
  int (*__pyx___query_ball_point_traverse_no_checking)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, PyObject *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
  int (*__pyx___query_ball_point_traverse_checking)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, PyObject *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *);
  PyObject *(*__pyx___query_ball_point)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, __pyx_t_5numpy_float64_t *, __pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t);
  int (*__pyx___query_ball_tree_traverse_no_checking)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, PyObject *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
  int (*__pyx___query_ball_tree_traverse_checking)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, PyObject *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *);
  int (*__pyx___query_pairs_traverse_no_checking)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, PyObject *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *);
  int (*__pyx___query_pairs_traverse_checking)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, PyObject *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *);
  int (*__pyx___count_neighbors_traverse)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t *, __pyx_t_5numpy_intp_t *, __pyx_t_5numpy_intp_t *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *);
  int (*__pyx___sparse_distance_matrix_traverse)(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *, struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *, struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *);
};
static struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *__pyx_vtabptr_5scipy_7spatial_7ckdtree_cKDTree;
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/* Module declarations from 'cpython.buffer' */

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

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

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

/* Module declarations from '__builtin__' */

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

/* Module declarations from 'numpy' */

/* Module declarations from 'numpy' */
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/* Module declarations from 'cython' */

/* Module declarations from 'scipy.spatial.ckdtree' */
static PyTypeObject *__pyx_ptype_5scipy_7spatial_7ckdtree_heap = 0;
static PyTypeObject *__pyx_ptype_5scipy_7spatial_7ckdtree_coo_entries = 0;
static PyTypeObject *__pyx_ptype_5scipy_7spatial_7ckdtree_Rectangle = 0;
static PyTypeObject *__pyx_ptype_5scipy_7spatial_7ckdtree_RectRectDistanceTracker = 0;
static PyTypeObject *__pyx_ptype_5scipy_7spatial_7ckdtree_PointRectDistanceTracker = 0;
static PyTypeObject *__pyx_ptype_5scipy_7spatial_7ckdtree_cKDTree = 0;
static __pyx_t_5numpy_float64_t __pyx_v_5scipy_7spatial_7ckdtree_infinity;
static __pyx_t_5numpy_intp_t __pyx_v_5scipy_7spatial_7ckdtree_LESS;
static __pyx_t_5numpy_intp_t __pyx_v_5scipy_7spatial_7ckdtree_GREATER;
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_set_add_ordered_pair(PyObject *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_intp_t); /*proto*/
static CYTHON_INLINE int __pyx_f_5scipy_7spatial_7ckdtree_list_append(PyObject *, __pyx_t_5numpy_intp_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_dmax(__pyx_t_5numpy_float64_t, __pyx_t_5numpy_float64_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_dabs(__pyx_t_5numpy_float64_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree__distance_p(__pyx_t_5numpy_float64_t *, __pyx_t_5numpy_float64_t *, __pyx_t_5numpy_float64_t, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_min_dist_point_interval_p(__pyx_t_5numpy_float64_t *, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_max_dist_point_interval_p(__pyx_t_5numpy_float64_t *, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_min_dist_interval_interval_p(struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_max_dist_interval_interval_p(struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *, __pyx_t_5numpy_intp_t, __pyx_t_5numpy_float64_t); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_min_dist_point_rect_p_inf(__pyx_t_5numpy_float64_t *, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_max_dist_point_rect_p_inf(__pyx_t_5numpy_float64_t *, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_min_dist_rect_rect_p_inf(struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *); /*proto*/
static CYTHON_INLINE __pyx_t_5numpy_float64_t __pyx_f_5scipy_7spatial_7ckdtree_max_dist_rect_rect_p_inf(struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *); /*proto*/
static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5numpy_float64_t = { "float64_t", NULL, sizeof(__pyx_t_5numpy_float64_t), { 0 }, 0, 'R', 0, 0 };
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#define __Pyx_MODULE_NAME "scipy.spatial.ckdtree"
int __pyx_module_is_main_scipy__spatial__ckdtree = 0;

/* Implementation of 'scipy.spatial.ckdtree' */
static PyObject *__pyx_builtin_MemoryError;
static PyObject *__pyx_builtin_ValueError;
static PyObject *__pyx_builtin_range;
static PyObject *__pyx_builtin_RuntimeError;
static int __pyx_pf_5scipy_7spatial_7ckdtree_4heap___init__(struct __pyx_obj_5scipy_7spatial_7ckdtree_heap *__pyx_v_self, __pyx_t_5numpy_intp_t __pyx_v_initial_size); /* proto */
static void __pyx_pf_5scipy_7spatial_7ckdtree_4heap_2__dealloc__(struct __pyx_obj_5scipy_7spatial_7ckdtree_heap *__pyx_v_self); /* proto */
static int __pyx_pf_5scipy_7spatial_7ckdtree_11coo_entries___init__(struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_11coo_entries_2to_matrix(struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *__pyx_v_self, PyObject *__pyx_v_shape); /* proto */
static int __pyx_pf_5scipy_7spatial_7ckdtree_9Rectangle___init__(struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *__pyx_v_self, PyObject *__pyx_v_mins_arr, PyObject *__pyx_v_maxes_arr); /* proto */
static int __pyx_pf_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker___init__(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *__pyx_v_self, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *__pyx_v_rect1, struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *__pyx_v_rect2, __pyx_t_5numpy_float64_t __pyx_v_p, __pyx_t_5numpy_float64_t __pyx_v_eps, __pyx_t_5numpy_float64_t __pyx_v_upper_bound); /* proto */
static void __pyx_pf_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_2__dealloc__(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *__pyx_v_self); /* proto */
static void __pyx_pf_5scipy_7spatial_7ckdtree_24PointRectDistanceTracker___dealloc__(struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *__pyx_v_self); /* proto */
static int __pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree___init__(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, PyObject *__pyx_v_data, __pyx_t_5numpy_intp_t __pyx_v_leafsize); /* proto */
static void __pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_2__dealloc__(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_4query(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, PyObject *__pyx_v_x, __pyx_t_5numpy_intp_t __pyx_v_k, __pyx_t_5numpy_float64_t __pyx_v_eps, __pyx_t_5numpy_float64_t __pyx_v_p, __pyx_t_5numpy_float64_t __pyx_v_distance_upper_bound); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_6query_ball_point(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, PyObject *__pyx_v_x, __pyx_t_5numpy_float64_t __pyx_v_r, __pyx_t_5numpy_float64_t __pyx_v_p, __pyx_t_5numpy_float64_t __pyx_v_eps); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_8query_ball_tree(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_other, __pyx_t_5numpy_float64_t __pyx_v_r, __pyx_t_5numpy_float64_t __pyx_v_p, __pyx_t_5numpy_float64_t __pyx_v_eps); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_10query_pairs(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, __pyx_t_5numpy_float64_t __pyx_v_r, __pyx_t_5numpy_float64_t __pyx_v_p, __pyx_t_5numpy_float64_t __pyx_v_eps); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_12count_neighbors(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_other, PyObject *__pyx_v_r, __pyx_t_5numpy_float64_t __pyx_v_p); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_14sparse_distance_matrix(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_other, __pyx_t_5numpy_float64_t __pyx_v_max_distance, __pyx_t_5numpy_float64_t __pyx_v_p); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_4data___get__(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_1n___get__(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_1m___get__(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_8leafsize___get__(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_5maxes___get__(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5scipy_7spatial_7ckdtree_7cKDTree_4mins___get__(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self); /* proto */
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 *             if n == <leafnode*> NULL:             # <<<<<<<<<<<<<<
 *                 raise MemoryError
 *             n.split_dim = -1
 */
    __pyx_t_1 = ((__pyx_v_n == ((struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *)NULL)) != 0);
    if (__pyx_t_1) {

      /* "scipy/spatial/ckdtree.pyx":836
 *             n = <leafnode*>stdlib.malloc(sizeof(leafnode))
 *             if n == <leafnode*> NULL:
 *                 raise MemoryError             # <<<<<<<<<<<<<<
 *             n.split_dim = -1
 *             n.children = end_idx - start_idx
 */
      PyErr_NoMemory(); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }

    /* "scipy/spatial/ckdtree.pyx":837
 *             if n == <leafnode*> NULL:
 *                 raise MemoryError
 *             n.split_dim = -1             # <<<<<<<<<<<<<<
 *             n.children = end_idx - start_idx
 *             n.start_idx = start_idx
 */
    __pyx_v_n->split_dim = -1;

    /* "scipy/spatial/ckdtree.pyx":838
 *                 raise MemoryError
 *             n.split_dim = -1
 *             n.children = end_idx - start_idx             # <<<<<<<<<<<<<<
 *             n.start_idx = start_idx
 *             n.end_idx = end_idx
 */
    __pyx_v_n->children = (__pyx_v_end_idx - __pyx_v_start_idx);

    /* "scipy/spatial/ckdtree.pyx":839
 *             n.split_dim = -1
 *             n.children = end_idx - start_idx
 *             n.start_idx = start_idx             # <<<<<<<<<<<<<<
 *             n.end_idx = end_idx
 *             return <innernode*>n
 */
    __pyx_v_n->start_idx = __pyx_v_start_idx;

    /* "scipy/spatial/ckdtree.pyx":840
 *             n.children = end_idx - start_idx
 *             n.start_idx = start_idx
 *             n.end_idx = end_idx             # <<<<<<<<<<<<<<
 *             return <innernode*>n
 *         else:
 */
    __pyx_v_n->end_idx = __pyx_v_end_idx;

    /* "scipy/spatial/ckdtree.pyx":841
 *             n.start_idx = start_idx
 *             n.end_idx = end_idx
 *             return <innernode*>n             # <<<<<<<<<<<<<<
 *         else:
 *             d = 0
 */
    __pyx_r = ((struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *)__pyx_v_n);
    goto __pyx_L0;
  }
  /*else*/ {

    /* "scipy/spatial/ckdtree.pyx":843
 *             return <innernode*>n
 *         else:
 *             d = 0             # <<<<<<<<<<<<<<
 *             size = 0
 *             for i in range(self.m):
 */
    __pyx_v_d = 0;

    /* "scipy/spatial/ckdtree.pyx":844
 *         else:
 *             d = 0
 *             size = 0             # <<<<<<<<<<<<<<
 *             for i in range(self.m):
 *                 if maxes[i]-mins[i] > size:
 */
    __pyx_v_size = 0.0;

    /* "scipy/spatial/ckdtree.pyx":845
 *             d = 0
 *             size = 0
 *             for i in range(self.m):             # <<<<<<<<<<<<<<
 *                 if maxes[i]-mins[i] > size:
 *                     d = i
 */
    __pyx_t_2 = __pyx_v_self->m;
    for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
      __pyx_v_i = __pyx_t_3;

      /* "scipy/spatial/ckdtree.pyx":846
 *             size = 0
 *             for i in range(self.m):
 *                 if maxes[i]-mins[i] > size:             # <<<<<<<<<<<<<<
 *                     d = i
 *                     size =  maxes[i]-mins[i]
 */
      __pyx_t_1 = ((((__pyx_v_maxes[__pyx_v_i]) - (__pyx_v_mins[__pyx_v_i])) > __pyx_v_size) != 0);
      if (__pyx_t_1) {

        /* "scipy/spatial/ckdtree.pyx":847
 *             for i in range(self.m):
 *                 if maxes[i]-mins[i] > size:
 *                     d = i             # <<<<<<<<<<<<<<
 *                     size =  maxes[i]-mins[i]
 *             maxval = maxes[d]
 */
        __pyx_v_d = __pyx_v_i;

        /* "scipy/spatial/ckdtree.pyx":848
 *                 if maxes[i]-mins[i] > size:
 *                     d = i
 *                     size =  maxes[i]-mins[i]             # <<<<<<<<<<<<<<
 *             maxval = maxes[d]
 *             minval = mins[d]
 */
        __pyx_v_size = ((__pyx_v_maxes[__pyx_v_i]) - (__pyx_v_mins[__pyx_v_i]));
        goto __pyx_L7;
      }
      __pyx_L7:;
    }

    /* "scipy/spatial/ckdtree.pyx":849
 *                     d = i
 *                     size =  maxes[i]-mins[i]
 *             maxval = maxes[d]             # <<<<<<<<<<<<<<
 *             minval = mins[d]
 *             if maxval==minval:
 */
    __pyx_v_maxval = (__pyx_v_maxes[__pyx_v_d]);

    /* "scipy/spatial/ckdtree.pyx":850
 *                     size =  maxes[i]-mins[i]
 *             maxval = maxes[d]
 *             minval = mins[d]             # <<<<<<<<<<<<<<
 *             if maxval==minval:
 *                 # all points are identical; warn user?
 */
    __pyx_v_minval = (__pyx_v_mins[__pyx_v_d]);

    /* "scipy/spatial/ckdtree.pyx":851
 *             maxval = maxes[d]
 *             minval = mins[d]
 *             if maxval==minval:             # <<<<<<<<<<<<<<
 *                 # all points are identical; warn user?
 *                 n = <leafnode*>stdlib.malloc(sizeof(leafnode))
 */
    __pyx_t_1 = ((__pyx_v_maxval == __pyx_v_minval) != 0);
    if (__pyx_t_1) {

      /* "scipy/spatial/ckdtree.pyx":853
 *             if maxval==minval:
 *                 # all points are identical; warn user?
 *                 n = <leafnode*>stdlib.malloc(sizeof(leafnode))             # <<<<<<<<<<<<<<
 *                 if n == <leafnode*> NULL:
 *                     raise MemoryError
 */
      __pyx_v_n = ((struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *)malloc((sizeof(struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode))));

      /* "scipy/spatial/ckdtree.pyx":854
 *                 # all points are identical; warn user?
 *                 n = <leafnode*>stdlib.malloc(sizeof(leafnode))
 *                 if n == <leafnode*> NULL:             # <<<<<<<<<<<<<<
 *                     raise MemoryError
 *                 n.split_dim = -1
 */
      __pyx_t_1 = ((__pyx_v_n == ((struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *)NULL)) != 0);
      if (__pyx_t_1) {

        /* "scipy/spatial/ckdtree.pyx":855
 *                 n = <leafnode*>stdlib.malloc(sizeof(leafnode))
 *                 if n == <leafnode*> NULL:
 *                     raise MemoryError             # <<<<<<<<<<<<<<
 *                 n.split_dim = -1
 *                 n.children = end_idx - start_idx
 */
        PyErr_NoMemory(); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 855; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      }

      /* "scipy/spatial/ckdtree.pyx":856
 *                 if n == <leafnode*> NULL:
 *                     raise MemoryError
 *                 n.split_dim = -1             # <<<<<<<<<<<<<<
 *                 n.children = end_idx - start_idx
 *                 n.start_idx = start_idx
 */
      __pyx_v_n->split_dim = -1;

      /* "scipy/spatial/ckdtree.pyx":857
 *                     raise MemoryError
 *                 n.split_dim = -1
 *                 n.children = end_idx - start_idx             # <<<<<<<<<<<<<<
 *                 n.start_idx = start_idx
 *                 n.end_idx = end_idx
 */
      __pyx_v_n->children = (__pyx_v_end_idx - __pyx_v_start_idx);

      /* "scipy/spatial/ckdtree.pyx":858
 *                 n.split_dim = -1
 *                 n.children = end_idx - start_idx
 *                 n.start_idx = start_idx             # <<<<<<<<<<<<<<
 *                 n.end_idx = end_idx
 *                 return <innernode*>n
 */
      __pyx_v_n->start_idx = __pyx_v_start_idx;

      /* "scipy/spatial/ckdtree.pyx":859
 *                 n.children = end_idx - start_idx
 *                 n.start_idx = start_idx
 *                 n.end_idx = end_idx             # <<<<<<<<<<<<<<
 *                 return <innernode*>n
 * 
 */
      __pyx_v_n->end_idx = __pyx_v_end_idx;

      /* "scipy/spatial/ckdtree.pyx":860
 *                 n.start_idx = start_idx
 *                 n.end_idx = end_idx
 *                 return <innernode*>n             # <<<<<<<<<<<<<<
 * 
 *             split = (maxval+minval)/2
 */
      __pyx_r = ((struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *)__pyx_v_n);
      goto __pyx_L0;
    }

    /* "scipy/spatial/ckdtree.pyx":862
 *                 return <innernode*>n
 * 
 *             split = (maxval+minval)/2             # <<<<<<<<<<<<<<
 * 
 *             p = start_idx
 */
    __pyx_v_split = ((__pyx_v_maxval + __pyx_v_minval) / 2.0);

    /* "scipy/spatial/ckdtree.pyx":864
 *             split = (maxval+minval)/2
 * 
 *             p = start_idx             # <<<<<<<<<<<<<<
 *             q = end_idx-1
 *             while p<=q:
 */
    __pyx_v_p = __pyx_v_start_idx;

    /* "scipy/spatial/ckdtree.pyx":865
 * 
 *             p = start_idx
 *             q = end_idx-1             # <<<<<<<<<<<<<<
 *             while p<=q:
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:
 */
    __pyx_v_q = (__pyx_v_end_idx - 1);

    /* "scipy/spatial/ckdtree.pyx":866
 *             p = start_idx
 *             q = end_idx-1
 *             while p<=q:             # <<<<<<<<<<<<<<
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:
 *                     p+=1
 */
    while (1) {
      __pyx_t_1 = ((__pyx_v_p <= __pyx_v_q) != 0);
      if (!__pyx_t_1) break;

      /* "scipy/spatial/ckdtree.pyx":867
 *             q = end_idx-1
 *             while p<=q:
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:             # <<<<<<<<<<<<<<
 *                     p+=1
 *                 elif self.raw_data[self.raw_indices[q]*self.m+d]>=split:
 */
      __pyx_t_1 = (((__pyx_v_self->raw_data[(((__pyx_v_self->raw_indices[__pyx_v_p]) * __pyx_v_self->m) + __pyx_v_d)]) < __pyx_v_split) != 0);
      if (__pyx_t_1) {

        /* "scipy/spatial/ckdtree.pyx":868
 *             while p<=q:
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:
 *                     p+=1             # <<<<<<<<<<<<<<
 *                 elif self.raw_data[self.raw_indices[q]*self.m+d]>=split:
 *                     q-=1
 */
        __pyx_v_p = (__pyx_v_p + 1);
        goto __pyx_L12;
      }

      /* "scipy/spatial/ckdtree.pyx":869
 *                 if self.raw_data[self.raw_indices[p]*self.m+d]<split:
 *                     p+=1
 *                 elif self.raw_data[self.raw_indices[q]*self.m+d]>=split:             # <<<<<<<<<<<<<<
 *                     q-=1
 *                 else:
 */
      __pyx_t_1 = (((__pyx_v_self->raw_data[(((__pyx_v_self->raw_indices[__pyx_v_q]) * __pyx_v_self->m) + __pyx_v_d)]) >= __pyx_v_split) != 0);
      if (__pyx_t_1) {

        /* "scipy/spatial/ckdtree.pyx":870
 *                     p+=1
 *                 elif self.raw_data[self.raw_indices[q]*self.m+d]>=split:
 *                     q-=1             # <<<<<<<<<<<<<<
 *                 else:
 *                     t = self.raw_indices[p]
 */
        __pyx_v_q = (__pyx_v_q - 1);
        goto __pyx_L12;
      }
      /*else*/ {

        /* "scipy/spatial/ckdtree.pyx":872
 *                     q-=1
 *                 else:
 *                     t = self.raw_indices[p]             # <<<<<<<<<<<<<<
 *                     self.raw_indices[p] = self.raw_indices[q]
 *                     self.raw_indices[q] = t
 */
        __pyx_v_t = (__pyx_v_self->raw_indices[__pyx_v_p]);

        /* "scipy/spatial/ckdtree.pyx":873
 *                 else:
 *                     t = self.raw_indices[p]
 *                     self.raw_indices[p] = self.raw_indices[q]             # <<<<<<<<<<<<<<
 *                     self.raw_indices[q] = t
 *                     p+=1
 */
        (__pyx_v_self->raw_indices[__pyx_v_p]) = (__pyx_v_self->raw_indices[__pyx_v_q]);

        /* "scipy/spatial/ckdtree.pyx":874
 *                     t = self.raw_indices[p]
 *                     self.raw_indices[p] = self.raw_indices[q]
 *                     self.raw_indices[q] = t             # <<<<<<<<<<<<<<
 *                     p+=1
 *                     q-=1
 */
        (__pyx_v_self->raw_indices[__pyx_v_q]) = __pyx_v_t;

        /* "scipy/spatial/ckdtree.pyx":875
 *                     self.raw_indices[p] = self.raw_indices[q]
 *                     self.raw_indices[q] = t
 *                     p+=1             # <<<<<<<<<<<<<<
 *                     q-=1
 * 
 */
        __pyx_v_p = (__pyx_v_p + 1);

        /* "scipy/spatial/ckdtree.pyx":876
 *                     self.raw_indices[q] = t
 *                     p+=1
 *                     q-=1             # <<<<<<<<<<<<<<
 * 
 *             # slide midpoint if necessary
 */
        __pyx_v_q = (__pyx_v_q - 1);
      }
      __pyx_L12:;
    }

    /* "scipy/spatial/ckdtree.pyx":879
 * 
 *             # slide midpoint if necessary
 *             if p==start_idx:             # <<<<<<<<<<<<<<
 *                 # no points less than split
 *                 j = start_idx
 */
    __pyx_t_1 = ((__pyx_v_p == __pyx_v_start_idx) != 0);
    if (__pyx_t_1) {

      /* "scipy/spatial/ckdtree.pyx":881
 *             if p==start_idx:
 *                 # no points less than split
 *                 j = start_idx             # <<<<<<<<<<<<<<
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 for i in range(start_idx+1, end_idx):
 */
      __pyx_v_j = __pyx_v_start_idx;

      /* "scipy/spatial/ckdtree.pyx":882
 *                 # no points less than split
 *                 j = start_idx
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]             # <<<<<<<<<<<<<<
 *                 for i in range(start_idx+1, end_idx):
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]<split:
 */
      __pyx_v_split = (__pyx_v_self->raw_data[(((__pyx_v_self->raw_indices[__pyx_v_j]) * __pyx_v_self->m) + __pyx_v_d)]);

      /* "scipy/spatial/ckdtree.pyx":883
 *                 j = start_idx
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 for i in range(start_idx+1, end_idx):             # <<<<<<<<<<<<<<
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]<split:
 *                         j = i
 */
      __pyx_t_2 = __pyx_v_end_idx;
      for (__pyx_t_3 = (__pyx_v_start_idx + 1); __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
        __pyx_v_i = __pyx_t_3;

        /* "scipy/spatial/ckdtree.pyx":884
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 for i in range(start_idx+1, end_idx):
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]<split:             # <<<<<<<<<<<<<<
 *                         j = i
 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]
 */
        __pyx_t_1 = (((__pyx_v_self->raw_data[(((__pyx_v_self->raw_indices[__pyx_v_i]) * __pyx_v_self->m) + __pyx_v_d)]) < __pyx_v_split) != 0);
        if (__pyx_t_1) {

          /* "scipy/spatial/ckdtree.pyx":885
 *                 for i in range(start_idx+1, end_idx):
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]<split:
 *                         j = i             # <<<<<<<<<<<<<<
 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 t = self.raw_indices[start_idx]
 */
          __pyx_v_j = __pyx_v_i;

          /* "scipy/spatial/ckdtree.pyx":886
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]<split:
 *                         j = i
 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]             # <<<<<<<<<<<<<<
 *                 t = self.raw_indices[start_idx]
 *                 self.raw_indices[start_idx] = self.raw_indices[j]
 */
          __pyx_v_split = (__pyx_v_self->raw_data[(((__pyx_v_self->raw_indices[__pyx_v_j]) * __pyx_v_self->m) + __pyx_v_d)]);
          goto __pyx_L16;
        }
        __pyx_L16:;
      }

      /* "scipy/spatial/ckdtree.pyx":887
 *                         j = i
 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 t = self.raw_indices[start_idx]             # <<<<<<<<<<<<<<
 *                 self.raw_indices[start_idx] = self.raw_indices[j]
 *                 self.raw_indices[j] = t
 */
      __pyx_v_t = (__pyx_v_self->raw_indices[__pyx_v_start_idx]);

      /* "scipy/spatial/ckdtree.pyx":888
 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 t = self.raw_indices[start_idx]
 *                 self.raw_indices[start_idx] = self.raw_indices[j]             # <<<<<<<<<<<<<<
 *                 self.raw_indices[j] = t
 *                 p = start_idx+1
 */
      (__pyx_v_self->raw_indices[__pyx_v_start_idx]) = (__pyx_v_self->raw_indices[__pyx_v_j]);

      /* "scipy/spatial/ckdtree.pyx":889
 *                 t = self.raw_indices[start_idx]
 *                 self.raw_indices[start_idx] = self.raw_indices[j]
 *                 self.raw_indices[j] = t             # <<<<<<<<<<<<<<
 *                 p = start_idx+1
 *                 q = start_idx
 */
      (__pyx_v_self->raw_indices[__pyx_v_j]) = __pyx_v_t;

      /* "scipy/spatial/ckdtree.pyx":890
 *                 self.raw_indices[start_idx] = self.raw_indices[j]
 *                 self.raw_indices[j] = t
 *                 p = start_idx+1             # <<<<<<<<<<<<<<
 *                 q = start_idx
 *             elif p==end_idx:
 */
      __pyx_v_p = (__pyx_v_start_idx + 1);

      /* "scipy/spatial/ckdtree.pyx":891
 *                 self.raw_indices[j] = t
 *                 p = start_idx+1
 *                 q = start_idx             # <<<<<<<<<<<<<<
 *             elif p==end_idx:
 *                 # no points greater than split
 */
      __pyx_v_q = __pyx_v_start_idx;
      goto __pyx_L13;
    }

    /* "scipy/spatial/ckdtree.pyx":892
 *                 p = start_idx+1
 *                 q = start_idx
 *             elif p==end_idx:             # <<<<<<<<<<<<<<
 *                 # no points greater than split
 *                 j = end_idx-1
 */
    __pyx_t_1 = ((__pyx_v_p == __pyx_v_end_idx) != 0);
    if (__pyx_t_1) {

      /* "scipy/spatial/ckdtree.pyx":894
 *             elif p==end_idx:
 *                 # no points greater than split
 *                 j = end_idx-1             # <<<<<<<<<<<<<<
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 for i in range(start_idx, end_idx-1):
 */
      __pyx_v_j = (__pyx_v_end_idx - 1);

      /* "scipy/spatial/ckdtree.pyx":895
 *                 # no points greater than split
 *                 j = end_idx-1
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]             # <<<<<<<<<<<<<<
 *                 for i in range(start_idx, end_idx-1):
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]>split:
 */
      __pyx_v_split = (__pyx_v_self->raw_data[(((__pyx_v_self->raw_indices[__pyx_v_j]) * __pyx_v_self->m) + __pyx_v_d)]);

      /* "scipy/spatial/ckdtree.pyx":896
 *                 j = end_idx-1
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 for i in range(start_idx, end_idx-1):             # <<<<<<<<<<<<<<
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]>split:
 *                         j = i
 */
      __pyx_t_4 = (__pyx_v_end_idx - 1);
      for (__pyx_t_2 = __pyx_v_start_idx; __pyx_t_2 < __pyx_t_4; __pyx_t_2+=1) {
        __pyx_v_i = __pyx_t_2;

        /* "scipy/spatial/ckdtree.pyx":897
 *                 split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 for i in range(start_idx, end_idx-1):
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]>split:             # <<<<<<<<<<<<<<
 *                         j = i
 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]
 */
        __pyx_t_1 = (((__pyx_v_self->raw_data[(((__pyx_v_self->raw_indices[__pyx_v_i]) * __pyx_v_self->m) + __pyx_v_d)]) > __pyx_v_split) != 0);
        if (__pyx_t_1) {

          /* "scipy/spatial/ckdtree.pyx":898
 *                 for i in range(start_idx, end_idx-1):
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]>split:
 *                         j = i             # <<<<<<<<<<<<<<
 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]
 *                 t = self.raw_indices[end_idx-1]
 */
          __pyx_v_j = __pyx_v_i;

          /* "scipy/spatial/ckdtree.pyx":899
 *                     if self.raw_data[self.raw_indices[i]*self.m+d]>split:
 *                         j = i
 *                         split = self.raw_data[self.raw_indices[j]*self.m+d]             # <<<<<<<<<<<<<<
 *                 t = self.raw_indices[end_idx-1]
 *                 self.raw_indices[end_idx-1] = self.raw_indices[j]
 */
          __pyx_v_split = (__pyx_v_self->raw_data[(((__pyx_v_self->raw_indices[__pyx_v_j]) * __pyx_v_self->m) + __pyx_v_d)]);
          goto __pyx_L19;
        }
        __pyx_L19:;
      }

      /* "scipy/spatial/ckdtree.pyx":900
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 *             for i in range(self.m):
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 *             for i in range(self.m):             # <<<<<<<<<<<<<<
 *                 inf.side_distances[i] = 0
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 */
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 *             inf.node = self.tree
 *             for i in range(self.m):
 *                 inf.side_distances[i] = 0             # <<<<<<<<<<<<<<
 *                 t = x[i]-self.raw_maxes[i]
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 */
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 *             for i in range(self.m):
 *                 inf.side_distances[i] = 0
 *                 t = x[i]-self.raw_maxes[i]             # <<<<<<<<<<<<<<
 *                 if t>inf.side_distances[i]:
 *                     inf.side_distances[i] = t
 */
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 *                 inf.side_distances[i] = 0
 *                 t = x[i]-self.raw_maxes[i]
 *                 if t>inf.side_distances[i]:             # <<<<<<<<<<<<<<
 *                     inf.side_distances[i] = t
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 */
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 *                     if t>inf.side_distances[i]:
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 */
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 *                 else:
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 *                     if t>inf.side_distances[i]:             # <<<<<<<<<<<<<<
 *                         inf.side_distances[i] = t
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 */
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 *                         inf.side_distances[i] = t
 *                 if p!=1 and p!=infinity:
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 * 
 *             # compute first distance
 */
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 * 
 *             # compute first distance
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 *             for i in range(self.m):
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 */
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 *             # compute first distance
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 *                 if p==infinity:
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      /* "scipy/spatial/ckdtree.pyx":1022
 *             min_distance = 0.
 *             for i in range(self.m):
 *                 if p==infinity:             # <<<<<<<<<<<<<<
 *                     min_distance = dmax(min_distance,inf.side_distances[i])
 *                 else:
 */
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        /* "scipy/spatial/ckdtree.pyx":1023
 *             for i in range(self.m):
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 * 
 *             # fiddle approximation factor
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 * 
 *             # fiddle approximation factor
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 *                 epsfac=1
 *             elif p==infinity:
 */
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 *             elif p==infinity:
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    /* "scipy/spatial/ckdtree.pyx":1030
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 *                 epsfac = 1/(1+eps)
 *             else:
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 *                 epsfac = 1/(1+eps)
 *             else:
 *                 epsfac = 1/(1+eps)**p             # <<<<<<<<<<<<<<
 * 
 *             # internally we represent all distances as distance**p
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    __pyx_L15:;

    /* "scipy/spatial/ckdtree.pyx":1036
 * 
 *             # internally we represent all distances as distance**p
 *             if p!=infinity and distance_upper_bound!=infinity:             # <<<<<<<<<<<<<<
 *                 distance_upper_bound = distance_upper_bound**p
 * 
 */
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      /* "scipy/spatial/ckdtree.pyx":1037
 *             # internally we represent all distances as distance**p
 *             if p!=infinity and distance_upper_bound!=infinity:
 *                 distance_upper_bound = distance_upper_bound**p             # <<<<<<<<<<<<<<
 * 
 *             while True:
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    __pyx_L16:;

    /* "scipy/spatial/ckdtree.pyx":1039
 *                 distance_upper_bound = distance_upper_bound**p
 * 
 *             while True:             # <<<<<<<<<<<<<<
 *                 if inf.node.split_dim==-1:
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 * 
 *             while True:
 *                 if inf.node.split_dim==-1:             # <<<<<<<<<<<<<<
 *                     node = <leafnode*>inf.node
 * 
 */
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        /* "scipy/spatial/ckdtree.pyx":1041
 *             while True:
 *                 if inf.node.split_dim==-1:
 *                     node = <leafnode*>inf.node             # <<<<<<<<<<<<<<
 * 
 *                     # brute-force
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        /* "scipy/spatial/ckdtree.pyx":1044
 * 
 *                     # brute-force
 *                     for i in range(node.start_idx,node.end_idx):             # <<<<<<<<<<<<<<
 *                         d = _distance_p(
 *                                 self.raw_data+self.raw_indices[i]*self.m,
 */
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          __pyx_v_i = __pyx_t_6;

          /* "scipy/spatial/ckdtree.pyx":1045
 *                     # brute-force
 *                     for i in range(node.start_idx,node.end_idx):
 *                         d = _distance_p(             # <<<<<<<<<<<<<<
 *                                 self.raw_data+self.raw_indices[i]*self.m,
 *                                 x,p,self.m,distance_upper_bound)
 */
          __pyx_v_d = __pyx_f_5scipy_7spatial_7ckdtree__distance_p((__pyx_v_self->raw_data + ((__pyx_v_self->raw_indices[__pyx_v_i]) * __pyx_v_self->m)), __pyx_v_x, __pyx_v_p, __pyx_v_self->m, __pyx_v_distance_upper_bound);

          /* "scipy/spatial/ckdtree.pyx":1049
 *                                 x,p,self.m,distance_upper_bound)
 * 
 *                         if d<distance_upper_bound:             # <<<<<<<<<<<<<<
 *                             # replace furthest neighbor
 *                             if neighbors.n==k:
 */
          __pyx_t_7 = ((__pyx_v_d < __pyx_v_distance_upper_bound) != 0);
          if (__pyx_t_7) {

            /* "scipy/spatial/ckdtree.pyx":1051
 *                         if d<distance_upper_bound:
 *                             # replace furthest neighbor
 *                             if neighbors.n==k:             # <<<<<<<<<<<<<<
 *                                 neighbors.remove()
 *                             neighbor.priority = -d
 */
            __pyx_t_7 = ((__pyx_v_neighbors->n == __pyx_v_k) != 0);
            if (__pyx_t_7) {

              /* "scipy/spatial/ckdtree.pyx":1052
 *                             # replace furthest neighbor
 *                             if neighbors.n==k:
 *                                 neighbors.remove()             # <<<<<<<<<<<<<<
 *                             neighbor.priority = -d
 *                             neighbor.contents.intdata = self.raw_indices[i]
 */
              __pyx_t_10 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_heap *)__pyx_v_neighbors->__pyx_vtab)->remove(__pyx_v_neighbors); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1052; __pyx_clineno = __LINE__; goto __pyx_L4_error;}
              goto __pyx_L23;
            }
            __pyx_L23:;

            /* "scipy/spatial/ckdtree.pyx":1053
 *                             if neighbors.n==k:
 *                                 neighbors.remove()
 *                             neighbor.priority = -d             # <<<<<<<<<<<<<<
 *                             neighbor.contents.intdata = self.raw_indices[i]
 *                             neighbors.push(neighbor)
 */
            __pyx_v_neighbor.priority = (-__pyx_v_d);

            /* "scipy/spatial/ckdtree.pyx":1054
 *                                 neighbors.remove()
 *                             neighbor.priority = -d
 *                             neighbor.contents.intdata = self.raw_indices[i]             # <<<<<<<<<<<<<<
 *                             neighbors.push(neighbor)
 * 
 */
            __pyx_v_neighbor.contents.intdata = (__pyx_v_self->raw_indices[__pyx_v_i]);

            /* "scipy/spatial/ckdtree.pyx":1055
 *                             neighbor.priority = -d
 *                             neighbor.contents.intdata = self.raw_indices[i]
 *                             neighbors.push(neighbor)             # <<<<<<<<<<<<<<
 * 
 *                             # adjust upper bound for efficiency
 */
            __pyx_t_10 = __pyx_f_5scipy_7spatial_7ckdtree_4heap_push(__pyx_v_neighbors, __pyx_v_neighbor); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1055; __pyx_clineno = __LINE__; goto __pyx_L4_error;}

            /* "scipy/spatial/ckdtree.pyx":1058
 * 
 *                             # adjust upper bound for efficiency
 *                             if neighbors.n==k:             # <<<<<<<<<<<<<<
 *                                 distance_upper_bound = -neighbors.peek().priority
 * 
 */
            __pyx_t_7 = ((__pyx_v_neighbors->n == __pyx_v_k) != 0);
            if (__pyx_t_7) {

              /* "scipy/spatial/ckdtree.pyx":1059
 *                             # adjust upper bound for efficiency
 *                             if neighbors.n==k:
 *                                 distance_upper_bound = -neighbors.peek().priority             # <<<<<<<<<<<<<<
 * 
 *                     # done with this node, get another
 */
              __pyx_v_distance_upper_bound = (-((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_heap *)__pyx_v_neighbors->__pyx_vtab)->peek(__pyx_v_neighbors).priority);
              goto __pyx_L24;
            }
            __pyx_L24:;
            goto __pyx_L22;
          }
          __pyx_L22:;
        }

        /* "scipy/spatial/ckdtree.pyx":1062
 * 
 *                     # done with this node, get another
 *                     stdlib.free(inf)             # <<<<<<<<<<<<<<
 *                     inf = <nodeinfo*> NULL
 * 
 */
        free(__pyx_v_inf);

        /* "scipy/spatial/ckdtree.pyx":1063
 *                     # done with this node, get another
 *                     stdlib.free(inf)
 *                     inf = <nodeinfo*> NULL             # <<<<<<<<<<<<<<
 * 
 *                     if q.n==0:
 */
        __pyx_v_inf = ((struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo *)NULL);

        /* "scipy/spatial/ckdtree.pyx":1065
 *                     inf = <nodeinfo*> NULL
 * 
 *                     if q.n==0:             # <<<<<<<<<<<<<<
 *                         # no more nodes to visit
 *                         break
 */
        __pyx_t_7 = ((__pyx_v_q->n == 0) != 0);
        if (__pyx_t_7) {

          /* "scipy/spatial/ckdtree.pyx":1067
 *                     if q.n==0:
 *                         # no more nodes to visit
 *                         break             # <<<<<<<<<<<<<<
 *                     else:
 *                         q.pop(&it)
 */
          goto __pyx_L18_break;
        }
        /*else*/ {

          /* "scipy/spatial/ckdtree.pyx":1069
 *                         break
 *                     else:
 *                         q.pop(&it)             # <<<<<<<<<<<<<<
 *                         inf = <nodeinfo*>it.contents.ptrdata
 *                         min_distance = it.priority
 */
          __pyx_t_10 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_heap *)__pyx_v_q->__pyx_vtab)->pop(__pyx_v_q, (&__pyx_v_it)); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1069; __pyx_clineno = __LINE__; goto __pyx_L4_error;}

          /* "scipy/spatial/ckdtree.pyx":1070
 *                     else:
 *                         q.pop(&it)
 *                         inf = <nodeinfo*>it.contents.ptrdata             # <<<<<<<<<<<<<<
 *                         min_distance = it.priority
 *                 else:
 */
          __pyx_v_inf = ((struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo *)__pyx_v_it.contents.ptrdata);

          /* "scipy/spatial/ckdtree.pyx":1071
 *                         q.pop(&it)
 *                         inf = <nodeinfo*>it.contents.ptrdata
 *                         min_distance = it.priority             # <<<<<<<<<<<<<<
 *                 else:
 *                     inode = <innernode*>inf.node
 */
          __pyx_t_9 = __pyx_v_it.priority;
          __pyx_v_min_distance = __pyx_t_9;
        }
        goto __pyx_L19;
      }
      /*else*/ {

        /* "scipy/spatial/ckdtree.pyx":1073
 *                         min_distance = it.priority
 *                 else:
 *                     inode = <innernode*>inf.node             # <<<<<<<<<<<<<<
 * 
 *                     # we don't push cells that are too far onto the queue at all,
 */
        __pyx_v_inode = ((struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *)__pyx_v_inf->node);

        /* "scipy/spatial/ckdtree.pyx":1078
 *                     # but since the distance_upper_bound decreases, we might get
 *                     # here even if the cell's too far
 *                     if min_distance>distance_upper_bound*epsfac:             # <<<<<<<<<<<<<<
 * 
 *                         # since this is the nearest cell, we're done, bail out
 */
        __pyx_t_7 = ((__pyx_v_min_distance > (__pyx_v_distance_upper_bound * __pyx_v_epsfac)) != 0);
        if (__pyx_t_7) {

          /* "scipy/spatial/ckdtree.pyx":1081
 * 
 *                         # since this is the nearest cell, we're done, bail out
 *                         stdlib.free(inf)             # <<<<<<<<<<<<<<
 *                         inf = <nodeinfo*> NULL
 * 
 */
          free(__pyx_v_inf);

          /* "scipy/spatial/ckdtree.pyx":1082
 *                         # since this is the nearest cell, we're done, bail out
 *                         stdlib.free(inf)
 *                         inf = <nodeinfo*> NULL             # <<<<<<<<<<<<<<
 * 
 *                         # free all the nodes still on the heap
 */
          __pyx_v_inf = ((struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo *)NULL);

          /* "scipy/spatial/ckdtree.pyx":1085
 * 
 *                         # free all the nodes still on the heap
 *                         for i in range(q.n):             # <<<<<<<<<<<<<<
 *                             stdlib.free(q.heap[i].contents.ptrdata)
 *                             q.heap[i].contents.ptrdata = <char*> NULL
 */
          __pyx_t_5 = __pyx_v_q->n;
          for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
            __pyx_v_i = __pyx_t_6;

            /* "scipy/spatial/ckdtree.pyx":1086
 *                         # free all the nodes still on the heap
 *                         for i in range(q.n):
 *                             stdlib.free(q.heap[i].contents.ptrdata)             # <<<<<<<<<<<<<<
 *                             q.heap[i].contents.ptrdata = <char*> NULL
 *                         break
 */
            free((__pyx_v_q->heap[__pyx_v_i]).contents.ptrdata);

            /* "scipy/spatial/ckdtree.pyx":1087
 *                         for i in range(q.n):
 *                             stdlib.free(q.heap[i].contents.ptrdata)
 *                             q.heap[i].contents.ptrdata = <char*> NULL             # <<<<<<<<<<<<<<
 *                         break
 * 
 */
            (__pyx_v_q->heap[__pyx_v_i]).contents.ptrdata = ((char *)NULL);
          }

          /* "scipy/spatial/ckdtree.pyx":1088
 *                             stdlib.free(q.heap[i].contents.ptrdata)
 *                             q.heap[i].contents.ptrdata = <char*> NULL
 *                         break             # <<<<<<<<<<<<<<
 * 
 *                     # set up children for searching
 */
          goto __pyx_L18_break;
        }

        /* "scipy/spatial/ckdtree.pyx":1091
 * 
 *                     # set up children for searching
 *                     if x[inode.split_dim]<inode.split:             # <<<<<<<<<<<<<<
 *                         near = inode.less
 *                         far = inode.greater
 */
        __pyx_t_7 = (((__pyx_v_x[__pyx_v_inode->split_dim]) < __pyx_v_inode->split) != 0);
        if (__pyx_t_7) {

          /* "scipy/spatial/ckdtree.pyx":1092
 *                     # set up children for searching
 *                     if x[inode.split_dim]<inode.split:
 *                         near = inode.less             # <<<<<<<<<<<<<<
 *                         far = inode.greater
 *                     else:
 */
          __pyx_t_4 = __pyx_v_inode->less;
          __pyx_v_near = __pyx_t_4;

          /* "scipy/spatial/ckdtree.pyx":1093
 *                     if x[inode.split_dim]<inode.split:
 *                         near = inode.less
 *                         far = inode.greater             # <<<<<<<<<<<<<<
 *                     else:
 *                         near = inode.greater
 */
          __pyx_t_4 = __pyx_v_inode->greater;
          __pyx_v_far = __pyx_t_4;
          goto __pyx_L29;
        }
        /*else*/ {

          /* "scipy/spatial/ckdtree.pyx":1095
 *                         far = inode.greater
 *                     else:
 *                         near = inode.greater             # <<<<<<<<<<<<<<
 *                         far = inode.less
 * 
 */
          __pyx_t_4 = __pyx_v_inode->greater;
          __pyx_v_near = __pyx_t_4;

          /* "scipy/spatial/ckdtree.pyx":1096
 *                     else:
 *                         near = inode.greater
 *                         far = inode.less             # <<<<<<<<<<<<<<
 * 
 *                     # near child is at the same distance as the current node
 */
          __pyx_t_4 = __pyx_v_inode->less;
          __pyx_v_far = __pyx_t_4;
        }
        __pyx_L29:;

        /* "scipy/spatial/ckdtree.pyx":1101
 *                     # we're going here next, so no point pushing it on the queue
 *                     # no need to recompute the distance or the side_distances
 *                     inf.node = near             # <<<<<<<<<<<<<<
 * 
 *                     # far child is further by an amount depending only
 */
        __pyx_v_inf->node = __pyx_v_near;

        /* "scipy/spatial/ckdtree.pyx":1106
 *                     # on the split value; compute its distance and side_distances
 *                     # and push it on the queue if it's near enough
 *                     inf2 = <nodeinfo*>stdlib.malloc(sizeof(nodeinfo)+self.m*sizeof(np.float64_t))             # <<<<<<<<<<<<<<
 *                     if inf2 == <nodeinfo*> NULL:
 *                         raise MemoryError
 */
        __pyx_v_inf2 = ((struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo *)malloc(((sizeof(struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo)) + (__pyx_v_self->m * (sizeof(__pyx_t_5numpy_float64_t))))));

        /* "scipy/spatial/ckdtree.pyx":1107
 *                     # and push it on the queue if it's near enough
 *                     inf2 = <nodeinfo*>stdlib.malloc(sizeof(nodeinfo)+self.m*sizeof(np.float64_t))
 *                     if inf2 == <nodeinfo*> NULL:             # <<<<<<<<<<<<<<
 *                         raise MemoryError
 * 
 */
        __pyx_t_7 = ((__pyx_v_inf2 == ((struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo *)NULL)) != 0);
        if (__pyx_t_7) {

          /* "scipy/spatial/ckdtree.pyx":1108
 *                     inf2 = <nodeinfo*>stdlib.malloc(sizeof(nodeinfo)+self.m*sizeof(np.float64_t))
 *                     if inf2 == <nodeinfo*> NULL:
 *                         raise MemoryError             # <<<<<<<<<<<<<<
 * 
 *                     it2.contents.ptrdata = <char*> inf2
 */
          PyErr_NoMemory(); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1108; __pyx_clineno = __LINE__; goto __pyx_L4_error;}
        }

        /* "scipy/spatial/ckdtree.pyx":1110
 *                         raise MemoryError
 * 
 *                     it2.contents.ptrdata = <char*> inf2             # <<<<<<<<<<<<<<
 *                     inf2.node = far
 *                     # most side distances unchanged
 */
        __pyx_v_it2.contents.ptrdata = ((char *)__pyx_v_inf2);

        /* "scipy/spatial/ckdtree.pyx":1111
 * 
 *                     it2.contents.ptrdata = <char*> inf2
 *                     inf2.node = far             # <<<<<<<<<<<<<<
 *                     # most side distances unchanged
 *                     for i in range(self.m):
 */
        __pyx_v_inf2->node = __pyx_v_far;

        /* "scipy/spatial/ckdtree.pyx":1113
 *                     inf2.node = far
 *                     # most side distances unchanged
 *                     for i in range(self.m):             # <<<<<<<<<<<<<<
 *                         inf2.side_distances[i] = inf.side_distances[i]
 * 
 */
        __pyx_t_5 = __pyx_v_self->m;
        for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
          __pyx_v_i = __pyx_t_6;

          /* "scipy/spatial/ckdtree.pyx":1114
 *                     # most side distances unchanged
 *                     for i in range(self.m):
 *                         inf2.side_distances[i] = inf.side_distances[i]             # <<<<<<<<<<<<<<
 * 
 *                     # one side distance changes
 */
          (__pyx_v_inf2->side_distances[__pyx_v_i]) = (__pyx_v_inf->side_distances[__pyx_v_i]);
        }

        /* "scipy/spatial/ckdtree.pyx":1118
 *                     # one side distance changes
 *                     # we can adjust the minimum distance without recomputing
 *                     if p == infinity:             # <<<<<<<<<<<<<<
 *                         # we never use side_distances in the l_infinity case
 *                         # inf2.side_distances[inode.split_dim] = dabs(inode.split-x[inode.split_dim])
 */
        __pyx_t_7 = ((__pyx_v_p == __pyx_v_5scipy_7spatial_7ckdtree_infinity) != 0);
        if (__pyx_t_7) {

          /* "scipy/spatial/ckdtree.pyx":1121
 *                         # we never use side_distances in the l_infinity case
 *                         # inf2.side_distances[inode.split_dim] = dabs(inode.split-x[inode.split_dim])
 *                         far_min_distance = dmax(min_distance, dabs(inode.split-x[inode.split_dim]))             # <<<<<<<<<<<<<<
 *                     elif p == 1:
 *                         inf2.side_distances[inode.split_dim] = dabs(inode.split-x[inode.split_dim])
 */
          __pyx_v_far_min_distance = __pyx_f_5scipy_7spatial_7ckdtree_dmax(__pyx_v_min_distance, __pyx_f_5scipy_7spatial_7ckdtree_dabs((__pyx_v_inode->split - (__pyx_v_x[__pyx_v_inode->split_dim]))));
          goto __pyx_L33;
        }

        /* "scipy/spatial/ckdtree.pyx":1122
 *                         # inf2.side_distances[inode.split_dim] = dabs(inode.split-x[inode.split_dim])
 *                         far_min_distance = dmax(min_distance, dabs(inode.split-x[inode.split_dim]))
 *                     elif p == 1:             # <<<<<<<<<<<<<<
 *                         inf2.side_distances[inode.split_dim] = dabs(inode.split-x[inode.split_dim])
 *                         far_min_distance = min_distance - \
 */
        __pyx_t_7 = ((__pyx_v_p == 1.0) != 0);
        if (__pyx_t_7) {

          /* "scipy/spatial/ckdtree.pyx":1123
 *                         far_min_distance = dmax(min_distance, dabs(inode.split-x[inode.split_dim]))
 *                     elif p == 1:
 *                         inf2.side_distances[inode.split_dim] = dabs(inode.split-x[inode.split_dim])             # <<<<<<<<<<<<<<
 *                         far_min_distance = min_distance - \
 *                             inf.side_distances[inode.split_dim] + \
 */
          (__pyx_v_inf2->side_distances[__pyx_v_inode->split_dim]) = __pyx_f_5scipy_7spatial_7ckdtree_dabs((__pyx_v_inode->split - (__pyx_v_x[__pyx_v_inode->split_dim])));

          /* "scipy/spatial/ckdtree.pyx":1125
 *                         inf2.side_distances[inode.split_dim] = dabs(inode.split-x[inode.split_dim])
 *                         far_min_distance = min_distance - \
 *                             inf.side_distances[inode.split_dim] + \             # <<<<<<<<<<<<<<
 *                             inf2.side_distances[inode.split_dim]
 *                     else:
 */
          __pyx_v_far_min_distance = ((__pyx_v_min_distance - (__pyx_v_inf->side_distances[__pyx_v_inode->split_dim])) + (__pyx_v_inf2->side_distances[__pyx_v_inode->split_dim]));
          goto __pyx_L33;
        }
        /*else*/ {

          /* "scipy/spatial/ckdtree.pyx":1128
 *                             inf2.side_distances[inode.split_dim]
 *                     else:
 *                         inf2.side_distances[inode.split_dim] = dabs(inode.split -             # <<<<<<<<<<<<<<
 *                                                                     x[inode.split_dim])**p
 *                         far_min_distance = min_distance - \
 */
          (__pyx_v_inf2->side_distances[__pyx_v_inode->split_dim]) = pow(__pyx_f_5scipy_7spatial_7ckdtree_dabs((__pyx_v_inode->split - (__pyx_v_x[__pyx_v_inode->split_dim]))), __pyx_v_p);

          /* "scipy/spatial/ckdtree.pyx":1131
 *                                                                     x[inode.split_dim])**p
 *                         far_min_distance = min_distance - \
 *                             inf.side_distances[inode.split_dim] + \             # <<<<<<<<<<<<<<
 *                             inf2.side_distances[inode.split_dim]
 * 
 */
          __pyx_v_far_min_distance = ((__pyx_v_min_distance - (__pyx_v_inf->side_distances[__pyx_v_inode->split_dim])) + (__pyx_v_inf2->side_distances[__pyx_v_inode->split_dim]));
        }
        __pyx_L33:;

        /* "scipy/spatial/ckdtree.pyx":1134
 *                             inf2.side_distances[inode.split_dim]
 * 
 *                     it2.priority = far_min_distance             # <<<<<<<<<<<<<<
 * 
 * 
 */
        __pyx_v_it2.priority = __pyx_v_far_min_distance;

        /* "scipy/spatial/ckdtree.pyx":1138
 * 
 *                     # far child might be too far, if so, don't bother pushing it
 *                     if far_min_distance<=distance_upper_bound*epsfac:             # <<<<<<<<<<<<<<
 *                         q.push(it2)
 *                     else:
 */
        __pyx_t_7 = ((__pyx_v_far_min_distance <= (__pyx_v_distance_upper_bound * __pyx_v_epsfac)) != 0);
        if (__pyx_t_7) {

          /* "scipy/spatial/ckdtree.pyx":1139
 *                     # far child might be too far, if so, don't bother pushing it
 *                     if far_min_distance<=distance_upper_bound*epsfac:
 *                         q.push(it2)             # <<<<<<<<<<<<<<
 *                     else:
 *                         stdlib.free(inf2)
 */
          __pyx_t_10 = __pyx_f_5scipy_7spatial_7ckdtree_4heap_push(__pyx_v_q, __pyx_v_it2); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L4_error;}
          goto __pyx_L34;
        }
        /*else*/ {

          /* "scipy/spatial/ckdtree.pyx":1141
 *                         q.push(it2)
 *                     else:
 *                         stdlib.free(inf2)             # <<<<<<<<<<<<<<
 *                         inf2 = <nodeinfo*> NULL
 *                         # just in case
 */
          free(__pyx_v_inf2);

          /* "scipy/spatial/ckdtree.pyx":1142
 *                     else:
 *                         stdlib.free(inf2)
 *                         inf2 = <nodeinfo*> NULL             # <<<<<<<<<<<<<<
 *                         # just in case
 *                         it2.contents.ptrdata = <char*> NULL
 */
          __pyx_v_inf2 = ((struct __pyx_t_5scipy_7spatial_7ckdtree_nodeinfo *)NULL);

          /* "scipy/spatial/ckdtree.pyx":1144
 *                         inf2 = <nodeinfo*> NULL
 *                         # just in case
 *                         it2.contents.ptrdata = <char*> NULL             # <<<<<<<<<<<<<<
 * 
 *             # fill output arrays with sorted neighbors
 */
          __pyx_v_it2.contents.ptrdata = ((char *)NULL);
        }
        __pyx_L34:;
      }
      __pyx_L19:;
    }
    __pyx_L18_break:;

    /* "scipy/spatial/ckdtree.pyx":1147
 * 
 *             # fill output arrays with sorted neighbors
 *             for i in range(neighbors.n-1,-1,-1):             # <<<<<<<<<<<<<<
 *                 neighbors.pop(&neighbor)
 *                 result_indices[i] = neighbor.contents.intdata
 */
    for (__pyx_t_5 = (__pyx_v_neighbors->n - 1); __pyx_t_5 > -1; __pyx_t_5-=1) {
      __pyx_v_i = __pyx_t_5;

      /* "scipy/spatial/ckdtree.pyx":1148
 *             # fill output arrays with sorted neighbors
 *             for i in range(neighbors.n-1,-1,-1):
 *                 neighbors.pop(&neighbor)             # <<<<<<<<<<<<<<
 *                 result_indices[i] = neighbor.contents.intdata
 *                 if p==1 or p==infinity:
 */
      __pyx_t_10 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_heap *)__pyx_v_neighbors->__pyx_vtab)->pop(__pyx_v_neighbors, (&__pyx_v_neighbor)); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L4_error;}

      /* "scipy/spatial/ckdtree.pyx":1149
 *             for i in range(neighbors.n-1,-1,-1):
 *                 neighbors.pop(&neighbor)
 *                 result_indices[i] = neighbor.contents.intdata             # <<<<<<<<<<<<<<
 *                 if p==1 or p==infinity:
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 * 
 *                 # brute-force
 *                 for i in range(lnode1.start_idx, lnode1.end_idx):             # <<<<<<<<<<<<<<
 *                     results_i = results[self.raw_indices[i]]
 *                     for j in range(lnode2.start_idx, lnode2.end_idx):
 */
      __pyx_t_3 = __pyx_v_lnode1->end_idx;
      for (__pyx_t_4 = __pyx_v_lnode1->start_idx; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
        __pyx_v_i = __pyx_t_4;

        /* "scipy/spatial/ckdtree.pyx":1464
 *                 # brute-force
 *                 for i in range(lnode1.start_idx, lnode1.end_idx):
 *                     results_i = results[self.raw_indices[i]]             # <<<<<<<<<<<<<<
 *                     for j in range(lnode2.start_idx, lnode2.end_idx):
 *                         d = _distance_p(
 */
        if (unlikely(__pyx_v_results == Py_None)) {
          PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1464; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        }
        __pyx_t_5 = __Pyx_GetItemInt_List(__pyx_v_results, (__pyx_v_self->raw_indices[__pyx_v_i]), __pyx_t_5numpy_intp_t, 1, __Pyx_PyInt_From_Py_intptr_t, 1, 1, 1); if (unlikely(__pyx_t_5 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1464; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
        __Pyx_GOTREF(__pyx_t_5);
        if (!(likely(PyList_CheckExact(__pyx_t_5))||((__pyx_t_5) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "list", Py_TYPE(__pyx_t_5)->tp_name), 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1464; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        __Pyx_XDECREF_SET(__pyx_v_results_i, ((PyObject*)__pyx_t_5));
        __pyx_t_5 = 0;

        /* "scipy/spatial/ckdtree.pyx":1465
 *                 for i in range(lnode1.start_idx, lnode1.end_idx):
 *                     results_i = results[self.raw_indices[i]]
 *                     for j in range(lnode2.start_idx, lnode2.end_idx):             # <<<<<<<<<<<<<<
 *                         d = _distance_p(
 *                             self.raw_data + self.raw_indices[i] * self.m,
 */
        __pyx_t_6 = __pyx_v_lnode2->end_idx;
        for (__pyx_t_7 = __pyx_v_lnode2->start_idx; __pyx_t_7 < __pyx_t_6; __pyx_t_7+=1) {
          __pyx_v_j = __pyx_t_7;

          /* "scipy/spatial/ckdtree.pyx":1466
 *                     results_i = results[self.raw_indices[i]]
 *                     for j in range(lnode2.start_idx, lnode2.end_idx):
 *                         d = _distance_p(             # <<<<<<<<<<<<<<
 *                             self.raw_data + self.raw_indices[i] * self.m,
 *                             other.raw_data + other.raw_indices[j] * other.m,
 */
          __pyx_v_d = __pyx_f_5scipy_7spatial_7ckdtree__distance_p((__pyx_v_self->raw_data + ((__pyx_v_self->raw_indices[__pyx_v_i]) * __pyx_v_self->m)), (__pyx_v_other->raw_data + ((__pyx_v_other->raw_indices[__pyx_v_j]) * __pyx_v_other->m)), __pyx_v_tracker->p, __pyx_v_self->m, __pyx_v_tracker->upper_bound);

          /* "scipy/spatial/ckdtree.pyx":1470
 *                             other.raw_data + other.raw_indices[j] * other.m,
 *                             tracker.p, self.m, tracker.upper_bound)
 *                         if d <= tracker.upper_bound:             # <<<<<<<<<<<<<<
 *                             list_append(results_i, other.raw_indices[j])
 * 
 */
          __pyx_t_1 = ((__pyx_v_d <= __pyx_v_tracker->upper_bound) != 0);
          if (__pyx_t_1) {

            /* "scipy/spatial/ckdtree.pyx":1471
 *                             tracker.p, self.m, tracker.upper_bound)
 *                         if d <= tracker.upper_bound:
 *                             list_append(results_i, other.raw_indices[j])             # <<<<<<<<<<<<<<
 * 
 *             else:  # 1 is a leaf node, 2 is inner node
 */
            __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_list_append(__pyx_v_results_i, (__pyx_v_other->raw_indices[__pyx_v_j])); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1471; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
            goto __pyx_L9;
          }
          __pyx_L9:;
        }
      }
      goto __pyx_L4;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":1475
 *             else:  # 1 is a leaf node, 2 is inner node
 * 
 *                 tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1, node2.less, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1475; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1476
 * 
 *                 tracker.push_less_of(2, node2)
 *                 self.__query_ball_tree_traverse_checking(             # <<<<<<<<<<<<<<
 *                     other, results, node1, node2.less, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_ball_tree_traverse_checking(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1, __pyx_v_node2->less, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1476; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1478
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1, node2.less, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(2, node2)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1478; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1480
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1, node2.greater, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1480; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1481
 * 
 *                 tracker.push_greater_of(2, node2)
 *                 self.__query_ball_tree_traverse_checking(             # <<<<<<<<<<<<<<
 *                     other, results, node1, node2.greater, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_ball_tree_traverse_checking(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1, __pyx_v_node2->greater, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1481; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1483
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1, node2.greater, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 * 
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1483; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_L4:;
    goto __pyx_L3;
  }
  /*else*/ {

    /* "scipy/spatial/ckdtree.pyx":1487
 * 
 *         else:  # 1 is an inner node
 *             if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node             # <<<<<<<<<<<<<<
 *                 tracker.push_less_of(1, node1)
 *                 self.__query_ball_tree_traverse_checking(
 */
    __pyx_t_1 = ((__pyx_v_node2->split_dim == -1) != 0);
    if (__pyx_t_1) {

      /* "scipy/spatial/ckdtree.pyx":1488
 *         else:  # 1 is an inner node
 *             if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node
 *                 tracker.push_less_of(1, node1)             # <<<<<<<<<<<<<<
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.less, node2, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1488; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1489
 *             if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node
 *                 tracker.push_less_of(1, node1)
 *                 self.__query_ball_tree_traverse_checking(             # <<<<<<<<<<<<<<
 *                     other, results, node1.less, node2, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_ball_tree_traverse_checking(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1489; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1491
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.less, node2, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(1, node1)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1491; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1493
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(1, node1)             # <<<<<<<<<<<<<<
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.greater, node2, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1493; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1494
 * 
 *                 tracker.push_greater_of(1, node1)
 *                 self.__query_ball_tree_traverse_checking(             # <<<<<<<<<<<<<<
 *                     other, results, node1.greater, node2, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_ball_tree_traverse_checking(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1494; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1496
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.greater, node2, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *             else: # 1 & 2 are inner nodes
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1496; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      goto __pyx_L10;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":1500
 *             else: # 1 & 2 are inner nodes
 * 
 *                 tracker.push_less_of(1, node1)             # <<<<<<<<<<<<<<
 *                 tracker.push_less_of(2, node2)
 *                 self.__query_ball_tree_traverse_checking(
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1500; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1501
 * 
 *                 tracker.push_less_of(1, node1)
 *                 tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.less, node2.less, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1501; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1502
 *                 tracker.push_less_of(1, node1)
 *                 tracker.push_less_of(2, node2)
 *                 self.__query_ball_tree_traverse_checking(             # <<<<<<<<<<<<<<
 *                     other, results, node1.less, node2.less, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_ball_tree_traverse_checking(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2->less, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1502; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1504
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.less, node2.less, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(2, node2)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1504; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1506
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.less, node2.greater, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1506; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1507
 * 
 *                 tracker.push_greater_of(2, node2)
 *                 self.__query_ball_tree_traverse_checking(             # <<<<<<<<<<<<<<
 *                     other, results, node1.less, node2.greater, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_ball_tree_traverse_checking(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2->greater, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1507; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1509
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.less, node2.greater, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 *                 tracker.pop()
 * 
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1509; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1510
 *                     other, results, node1.less, node2.greater, tracker)
 *                 tracker.pop()
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 * 
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1510; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1513
 * 
 * 
 *                 tracker.push_greater_of(1, node1)             # <<<<<<<<<<<<<<
 *                 tracker.push_less_of(2, node2)
 *                 self.__query_ball_tree_traverse_checking(
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1513; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1514
 * 
 *                 tracker.push_greater_of(1, node1)
 *                 tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.greater, node2.less, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1514; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1515
 *                 tracker.push_greater_of(1, node1)
 *                 tracker.push_less_of(2, node2)
 *                 self.__query_ball_tree_traverse_checking(             # <<<<<<<<<<<<<<
 *                     other, results, node1.greater, node2.less, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_ball_tree_traverse_checking(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2->less, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1515; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1517
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.greater, node2.less, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(2, node2)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1517; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1519
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_ball_tree_traverse_checking(
 *                     other, results, node1.greater, node2.greater, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1519; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1520
 * 
 *                 tracker.push_greater_of(2, node2)
 *                 self.__query_ball_tree_traverse_checking(             # <<<<<<<<<<<<<<
 *                     other, results, node1.greater, node2.greater, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_ball_tree_traverse_checking(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2->greater, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1520; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1522
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static int __pyx_f_5scipy_7spatial_7ckdtree_7cKDTree___query_pairs_traverse_no_checking(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, PyObject *__pyx_v_results, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *__pyx_v_node1, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *__pyx_v_node2) {
  struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *__pyx_v_lnode1;
  struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *__pyx_v_lnode2;
  __pyx_t_5numpy_intp_t __pyx_v_i;
  __pyx_t_5numpy_intp_t __pyx_v_j;
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  __pyx_t_5numpy_intp_t __pyx_t_4;
  __pyx_t_5numpy_intp_t __pyx_t_5;
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  /* "scipy/spatial/ckdtree.pyx":1586
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 * 
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 * 
 *         if node1.split_dim == -1:  # leaf node
 *             lnode1 = <leafnode*>node1             # <<<<<<<<<<<<<<
 * 
 *             if node2.split_dim == -1:  # leaf node
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 * 
 *             if node2.split_dim == -1:  # leaf node             # <<<<<<<<<<<<<<
 *                 lnode2 = <leafnode*>node2
 * 
 */
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 * 
 *             if node2.split_dim == -1:  # leaf node
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 * 
 *                 for i in range(lnode1.start_idx, lnode1.end_idx):
 */
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 *                 lnode2 = <leafnode*>node2
 * 
 *                 for i in range(lnode1.start_idx, lnode1.end_idx):             # <<<<<<<<<<<<<<
 *                     # Special care here to avoid duplicate pairs
 *                     if node1 == node2:
 */
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        /* "scipy/spatial/ckdtree.pyx":1594
 *                 for i in range(lnode1.start_idx, lnode1.end_idx):
 *                     # Special care here to avoid duplicate pairs
 *                     if node1 == node2:             # <<<<<<<<<<<<<<
 *                         min_j = i + 1
 *                     else:
 */
        __pyx_t_1 = ((__pyx_v_node1 == __pyx_v_node2) != 0);
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          /* "scipy/spatial/ckdtree.pyx":1595
 *                     # Special care here to avoid duplicate pairs
 *                     if node1 == node2:
 *                         min_j = i + 1             # <<<<<<<<<<<<<<
 *                     else:
 *                         min_j = lnode2.start_idx
 */
          __pyx_v_min_j = (__pyx_v_i + 1);
          goto __pyx_L7;
        }
        /*else*/ {

          /* "scipy/spatial/ckdtree.pyx":1597
 *                         min_j = i + 1
 *                     else:
 *                         min_j = lnode2.start_idx             # <<<<<<<<<<<<<<
 * 
 *                     for j in range(min_j, lnode2.end_idx):
 */
          __pyx_t_4 = __pyx_v_lnode2->start_idx;
          __pyx_v_min_j = __pyx_t_4;
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        __pyx_L7:;

        /* "scipy/spatial/ckdtree.pyx":1599
 *                         min_j = lnode2.start_idx
 * 
 *                     for j in range(min_j, lnode2.end_idx):             # <<<<<<<<<<<<<<
 *                         set_add_ordered_pair(results,
 *                                              self.raw_indices[i],
 */
        __pyx_t_4 = __pyx_v_lnode2->end_idx;
        for (__pyx_t_5 = __pyx_v_min_j; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
          __pyx_v_j = __pyx_t_5;

          /* "scipy/spatial/ckdtree.pyx":1600
 * 
 *                     for j in range(min_j, lnode2.end_idx):
 *                         set_add_ordered_pair(results,             # <<<<<<<<<<<<<<
 *                                              self.raw_indices[i],
 *                                              self.raw_indices[j])
 */
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      }
      goto __pyx_L4;
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      /* "scipy/spatial/ckdtree.pyx":1605
 * 
 *             else:
 *                 self.__query_pairs_traverse_no_checking(results, node1, node2.less)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_no_checking(results, node1, node2.greater)
 *         else:
 */
      __pyx_t_6 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_no_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1, __pyx_v_node2->less); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1605; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1606
 *             else:
 *                 self.__query_pairs_traverse_no_checking(results, node1, node2.less)
 *                 self.__query_pairs_traverse_no_checking(results, node1, node2.greater)             # <<<<<<<<<<<<<<
 *         else:
 *             if node1 == node2:
 */
      __pyx_t_6 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_no_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1, __pyx_v_node2->greater); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1606; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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    __pyx_L4:;
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  /*else*/ {

    /* "scipy/spatial/ckdtree.pyx":1608
 *                 self.__query_pairs_traverse_no_checking(results, node1, node2.greater)
 *         else:
 *             if node1 == node2:             # <<<<<<<<<<<<<<
 *                 # Avoid traversing (node1.less, node2.greater) and
 *                 # (node1.greater, node2.less) (it's the same node pair twice
 */
    __pyx_t_1 = ((__pyx_v_node1 == __pyx_v_node2) != 0);
    if (__pyx_t_1) {

      /* "scipy/spatial/ckdtree.pyx":1613
 *                 # over, which is the source of the complication in the
 *                 # original KDTree.query_pairs)
 *                 self.__query_pairs_traverse_no_checking(results, node1.less, node2.less)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_no_checking(results, node1.less, node2.greater)
 *                 self.__query_pairs_traverse_no_checking(results, node1.greater, node2.greater)
 */
      __pyx_t_6 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_no_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2->less); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1613; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1614
 *                 # original KDTree.query_pairs)
 *                 self.__query_pairs_traverse_no_checking(results, node1.less, node2.less)
 *                 self.__query_pairs_traverse_no_checking(results, node1.less, node2.greater)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_no_checking(results, node1.greater, node2.greater)
 *             else:
 */
      __pyx_t_6 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_no_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2->greater); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1614; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1615
 *                 self.__query_pairs_traverse_no_checking(results, node1.less, node2.less)
 *                 self.__query_pairs_traverse_no_checking(results, node1.less, node2.greater)
 *                 self.__query_pairs_traverse_no_checking(results, node1.greater, node2.greater)             # <<<<<<<<<<<<<<
 *             else:
 *                 self.__query_pairs_traverse_no_checking(results, node1.less, node2)
 */
      __pyx_t_6 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_no_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2->greater); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1615; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      goto __pyx_L10;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":1617
 *                 self.__query_pairs_traverse_no_checking(results, node1.greater, node2.greater)
 *             else:
 *                 self.__query_pairs_traverse_no_checking(results, node1.less, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_no_checking(results, node1.greater, node2)
 * 
 */
      __pyx_t_6 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_no_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1617; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1618
 *             else:
 *                 self.__query_pairs_traverse_no_checking(results, node1.less, node2)
 *                 self.__query_pairs_traverse_no_checking(results, node1.greater, node2)             # <<<<<<<<<<<<<<
 * 
 *         return 0
 */
      __pyx_t_6 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_no_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1618; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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    __pyx_L10:;
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  /* "scipy/spatial/ckdtree.pyx":1620
 *                 self.__query_pairs_traverse_no_checking(results, node1.greater, node2)
 * 
 *         return 0             # <<<<<<<<<<<<<<
 * 
 *     @cython.cdivision(True)
 */
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  /* "scipy/spatial/ckdtree.pyx":1577
 *     # query_pairs
 *     # -----------
 *     cdef int __query_pairs_traverse_no_checking(cKDTree self,             # <<<<<<<<<<<<<<
 *                                                 set results,
 *                                                 innernode* node1,
 */

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/* "scipy/spatial/ckdtree.pyx":1623
 * 
 *     @cython.cdivision(True)
 *     cdef int __query_pairs_traverse_checking(cKDTree self,             # <<<<<<<<<<<<<<
 *                                              set results,
 *                                              innernode* node1,
 */

static int __pyx_f_5scipy_7spatial_7ckdtree_7cKDTree___query_pairs_traverse_checking(struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *__pyx_v_self, PyObject *__pyx_v_results, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *__pyx_v_node1, struct __pyx_t_5scipy_7spatial_7ckdtree_innernode *__pyx_v_node2, struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *__pyx_v_tracker) {
  struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *__pyx_v_lnode1;
  struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *__pyx_v_lnode2;
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  __pyx_t_5numpy_intp_t __pyx_v_i;
  __pyx_t_5numpy_intp_t __pyx_v_j;
  __pyx_t_5numpy_intp_t __pyx_v_min_j;
  int __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  __pyx_t_5numpy_intp_t __pyx_t_3;
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  __pyx_t_5numpy_intp_t __pyx_t_5;
  __pyx_t_5numpy_intp_t __pyx_t_6;
  int __pyx_lineno = 0;
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  int __pyx_clineno = 0;
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  /* "scipy/spatial/ckdtree.pyx":1634
 *         cdef np.intp_t i, j, min_j
 * 
 *         if tracker.min_distance > tracker.upper_bound * tracker.epsfac:             # <<<<<<<<<<<<<<
 *             return 0
 *         elif tracker.max_distance < tracker.upper_bound / tracker.epsfac:
 */
  __pyx_t_1 = ((__pyx_v_tracker->min_distance > (__pyx_v_tracker->upper_bound * __pyx_v_tracker->epsfac)) != 0);
  if (__pyx_t_1) {

    /* "scipy/spatial/ckdtree.pyx":1635
 * 
 *         if tracker.min_distance > tracker.upper_bound * tracker.epsfac:
 *             return 0             # <<<<<<<<<<<<<<
 *         elif tracker.max_distance < tracker.upper_bound / tracker.epsfac:
 *             self.__query_pairs_traverse_no_checking(results, node1, node2)
 */
    __pyx_r = 0;
    goto __pyx_L0;
  }

  /* "scipy/spatial/ckdtree.pyx":1636
 *         if tracker.min_distance > tracker.upper_bound * tracker.epsfac:
 *             return 0
 *         elif tracker.max_distance < tracker.upper_bound / tracker.epsfac:             # <<<<<<<<<<<<<<
 *             self.__query_pairs_traverse_no_checking(results, node1, node2)
 *         elif node1.split_dim == -1:  # 1 is leaf node
 */
  __pyx_t_1 = ((__pyx_v_tracker->max_distance < (__pyx_v_tracker->upper_bound / __pyx_v_tracker->epsfac)) != 0);
  if (__pyx_t_1) {

    /* "scipy/spatial/ckdtree.pyx":1637
 *             return 0
 *         elif tracker.max_distance < tracker.upper_bound / tracker.epsfac:
 *             self.__query_pairs_traverse_no_checking(results, node1, node2)             # <<<<<<<<<<<<<<
 *         elif node1.split_dim == -1:  # 1 is leaf node
 *             lnode1 = <leafnode*>node1
 */
    __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_no_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1637; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    goto __pyx_L3;
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  /* "scipy/spatial/ckdtree.pyx":1638
 *         elif tracker.max_distance < tracker.upper_bound / tracker.epsfac:
 *             self.__query_pairs_traverse_no_checking(results, node1, node2)
 *         elif node1.split_dim == -1:  # 1 is leaf node             # <<<<<<<<<<<<<<
 *             lnode1 = <leafnode*>node1
 * 
 */
  __pyx_t_1 = ((__pyx_v_node1->split_dim == -1) != 0);
  if (__pyx_t_1) {

    /* "scipy/spatial/ckdtree.pyx":1639
 *             self.__query_pairs_traverse_no_checking(results, node1, node2)
 *         elif node1.split_dim == -1:  # 1 is leaf node
 *             lnode1 = <leafnode*>node1             # <<<<<<<<<<<<<<
 * 
 *             if node2.split_dim == -1:  # 1 & 2 are leaves
 */
    __pyx_v_lnode1 = ((struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *)__pyx_v_node1);

    /* "scipy/spatial/ckdtree.pyx":1641
 *             lnode1 = <leafnode*>node1
 * 
 *             if node2.split_dim == -1:  # 1 & 2 are leaves             # <<<<<<<<<<<<<<
 *                 lnode2 = <leafnode*>node2
 * 
 */
    __pyx_t_1 = ((__pyx_v_node2->split_dim == -1) != 0);
    if (__pyx_t_1) {

      /* "scipy/spatial/ckdtree.pyx":1642
 * 
 *             if node2.split_dim == -1:  # 1 & 2 are leaves
 *                 lnode2 = <leafnode*>node2             # <<<<<<<<<<<<<<
 * 
 *                 # brute-force
 */
      __pyx_v_lnode2 = ((struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *)__pyx_v_node2);

      /* "scipy/spatial/ckdtree.pyx":1645
 * 
 *                 # brute-force
 *                 for i in range(lnode1.start_idx, lnode1.end_idx):             # <<<<<<<<<<<<<<
 * 
 *                     # Special care here to avoid duplicate pairs
 */
      __pyx_t_3 = __pyx_v_lnode1->end_idx;
      for (__pyx_t_4 = __pyx_v_lnode1->start_idx; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
        __pyx_v_i = __pyx_t_4;

        /* "scipy/spatial/ckdtree.pyx":1648
 * 
 *                     # Special care here to avoid duplicate pairs
 *                     if node1 == node2:             # <<<<<<<<<<<<<<
 *                         min_j = i + 1
 *                     else:
 */
        __pyx_t_1 = ((__pyx_v_node1 == __pyx_v_node2) != 0);
        if (__pyx_t_1) {

          /* "scipy/spatial/ckdtree.pyx":1649
 *                     # Special care here to avoid duplicate pairs
 *                     if node1 == node2:
 *                         min_j = i + 1             # <<<<<<<<<<<<<<
 *                     else:
 *                         min_j = lnode2.start_idx
 */
          __pyx_v_min_j = (__pyx_v_i + 1);
          goto __pyx_L7;
        }
        /*else*/ {

          /* "scipy/spatial/ckdtree.pyx":1651
 *                         min_j = i + 1
 *                     else:
 *                         min_j = lnode2.start_idx             # <<<<<<<<<<<<<<
 * 
 *                     for j in range(min_j, lnode2.end_idx):
 */
          __pyx_t_5 = __pyx_v_lnode2->start_idx;
          __pyx_v_min_j = __pyx_t_5;
        }
        __pyx_L7:;

        /* "scipy/spatial/ckdtree.pyx":1653
 *                         min_j = lnode2.start_idx
 * 
 *                     for j in range(min_j, lnode2.end_idx):             # <<<<<<<<<<<<<<
 *                         d = _distance_p(
 *                             self.raw_data + self.raw_indices[i] * self.m,
 */
        __pyx_t_5 = __pyx_v_lnode2->end_idx;
        for (__pyx_t_6 = __pyx_v_min_j; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
          __pyx_v_j = __pyx_t_6;

          /* "scipy/spatial/ckdtree.pyx":1654
 * 
 *                     for j in range(min_j, lnode2.end_idx):
 *                         d = _distance_p(             # <<<<<<<<<<<<<<
 *                             self.raw_data + self.raw_indices[i] * self.m,
 *                             self.raw_data + self.raw_indices[j] * self.m,
 */
          __pyx_v_d = __pyx_f_5scipy_7spatial_7ckdtree__distance_p((__pyx_v_self->raw_data + ((__pyx_v_self->raw_indices[__pyx_v_i]) * __pyx_v_self->m)), (__pyx_v_self->raw_data + ((__pyx_v_self->raw_indices[__pyx_v_j]) * __pyx_v_self->m)), __pyx_v_tracker->p, __pyx_v_self->m, __pyx_v_tracker->upper_bound);

          /* "scipy/spatial/ckdtree.pyx":1658
 *                             self.raw_data + self.raw_indices[j] * self.m,
 *                             tracker.p, self.m, tracker.upper_bound)
 *                         if d <= tracker.upper_bound:             # <<<<<<<<<<<<<<
 *                             set_add_ordered_pair(results,
 *                                                  self.raw_indices[i],
 */
          __pyx_t_1 = ((__pyx_v_d <= __pyx_v_tracker->upper_bound) != 0);
          if (__pyx_t_1) {

            /* "scipy/spatial/ckdtree.pyx":1659
 *                             tracker.p, self.m, tracker.upper_bound)
 *                         if d <= tracker.upper_bound:
 *                             set_add_ordered_pair(results,             # <<<<<<<<<<<<<<
 *                                                  self.raw_indices[i],
 *                                                  self.raw_indices[j])
 */
            __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_set_add_ordered_pair(__pyx_v_results, (__pyx_v_self->raw_indices[__pyx_v_i]), (__pyx_v_self->raw_indices[__pyx_v_j])); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1659; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
            goto __pyx_L10;
          }
          __pyx_L10:;
        }
      }
      goto __pyx_L4;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":1664
 * 
 *             else:  # 1 is a leaf node, 2 is inner node
 *                 tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1, node2.less, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1665
 *             else:  # 1 is a leaf node, 2 is inner node
 *                 tracker.push_less_of(2, node2)
 *                 self.__query_pairs_traverse_checking(             # <<<<<<<<<<<<<<
 *                     results, node1, node2.less, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1, __pyx_v_node2->less, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1665; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1667
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1, node2.less, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(2, node2)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1667; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1669
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1, node2.greater, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1669; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1670
 * 
 *                 tracker.push_greater_of(2, node2)
 *                 self.__query_pairs_traverse_checking(             # <<<<<<<<<<<<<<
 *                     results, node1, node2.greater, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1, __pyx_v_node2->greater, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1670; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1672
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1, node2.greater, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *         else:  # 1 is an inner node
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1672; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_L4:;
    goto __pyx_L3;
  }
  /*else*/ {

    /* "scipy/spatial/ckdtree.pyx":1675
 * 
 *         else:  # 1 is an inner node
 *             if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node             # <<<<<<<<<<<<<<
 *                 tracker.push_less_of(1, node1)
 *                 self.__query_pairs_traverse_checking(
 */
    __pyx_t_1 = ((__pyx_v_node2->split_dim == -1) != 0);
    if (__pyx_t_1) {

      /* "scipy/spatial/ckdtree.pyx":1676
 *         else:  # 1 is an inner node
 *             if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node
 *                 tracker.push_less_of(1, node1)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.less, node2, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1676; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1677
 *             if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node
 *                 tracker.push_less_of(1, node1)
 *                 self.__query_pairs_traverse_checking(             # <<<<<<<<<<<<<<
 *                     results, node1.less, node2, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1677; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1679
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.less, node2, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(1, node1)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1679; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1681
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(1, node1)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.greater, node2, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1681; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1682
 * 
 *                 tracker.push_greater_of(1, node1)
 *                 self.__query_pairs_traverse_checking(             # <<<<<<<<<<<<<<
 *                     results, node1.greater, node2, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1682; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1684
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.greater, node2, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *             else: # 1 and 2 are inner nodes
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1684; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      goto __pyx_L11;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":1687
 * 
 *             else: # 1 and 2 are inner nodes
 *                 tracker.push_less_of(1, node1)             # <<<<<<<<<<<<<<
 *                 tracker.push_less_of(2, node2)
 *                 self.__query_pairs_traverse_checking(
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1687; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1688
 *             else: # 1 and 2 are inner nodes
 *                 tracker.push_less_of(1, node1)
 *                 tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.less, node2.less, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1688; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1689
 *                 tracker.push_less_of(1, node1)
 *                 tracker.push_less_of(2, node2)
 *                 self.__query_pairs_traverse_checking(             # <<<<<<<<<<<<<<
 *                     results, node1.less, node2.less, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2->less, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1689; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1691
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.less, node2.less, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(2, node2)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1691; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1693
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.less, node2.greater, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1693; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1694
 * 
 *                 tracker.push_greater_of(2, node2)
 *                 self.__query_pairs_traverse_checking(             # <<<<<<<<<<<<<<
 *                     results, node1.less, node2.greater, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2->greater, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1694; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1696
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.less, node2.greater, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 *                 tracker.pop()
 * 
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1696; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1697
 *                     results, node1.less, node2.greater, tracker)
 *                 tracker.pop()
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(1, node1)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1697; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1699
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(1, node1)             # <<<<<<<<<<<<<<
 *                 if node1 != node2:
 *                     # Avoid traversing (node1.less, node2.greater) and
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1699; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1700
 * 
 *                 tracker.push_greater_of(1, node1)
 *                 if node1 != node2:             # <<<<<<<<<<<<<<
 *                     # Avoid traversing (node1.less, node2.greater) and
 *                     # (node1.greater, node2.less) (it's the same node pair
 */
      __pyx_t_1 = ((__pyx_v_node1 != __pyx_v_node2) != 0);
      if (__pyx_t_1) {

        /* "scipy/spatial/ckdtree.pyx":1705
 *                     # twice over, which is the source of the complication in
 *                     # the original KDTree.query_pairs)
 *                     tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                     self.__query_pairs_traverse_checking(
 *                         results, node1.greater, node2.less, tracker)
 */
        __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1705; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1706
 *                     # the original KDTree.query_pairs)
 *                     tracker.push_less_of(2, node2)
 *                     self.__query_pairs_traverse_checking(             # <<<<<<<<<<<<<<
 *                         results, node1.greater, node2.less, tracker)
 *                     tracker.pop()
 */
        __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2->less, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1706; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1708
 *                     self.__query_pairs_traverse_checking(
 *                         results, node1.greater, node2.less, tracker)
 *                     tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(2, node2)
 */
        __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1708; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        goto __pyx_L12;
      }
      __pyx_L12:;

      /* "scipy/spatial/ckdtree.pyx":1710
 *                     tracker.pop()
 * 
 *                 tracker.push_greater_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.greater, node2.greater, tracker)
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1710; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1711
 * 
 *                 tracker.push_greater_of(2, node2)
 *                 self.__query_pairs_traverse_checking(             # <<<<<<<<<<<<<<
 *                     results, node1.greater, node2.greater, tracker)
 *                 tracker.pop()
 */
      __pyx_t_2 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___query_pairs_traverse_checking(__pyx_v_self, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2->greater, __pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1711; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1713
 *                 self.__query_pairs_traverse_checking(
 *                     results, node1.greater, node2.greater, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 *                 tracker.pop()
 * 
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1713; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":1714
 *                     results, node1.greater, node2.greater, tracker)
 *                 tracker.pop()
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *         return 0
 */
      __pyx_t_2 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1714; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    }
    __pyx_L11:;
  }
  __pyx_L3:;

  /* "scipy/spatial/ckdtree.pyx":1716
 *                 tracker.pop()
 * 
 *         return 0             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = 0;
  goto __pyx_L0;

  /* "scipy/spatial/ckdtree.pyx":1623
 * 
 *     @cython.cdivision(True)
 *     cdef int __query_pairs_traverse_checking(cKDTree self,             # <<<<<<<<<<<<<<
 *                                              set results,
 *                                              innernode* node1,
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_AddTraceback("scipy.spatial.ckdtree.cKDTree.__query_pairs_traverse_checking", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "scipy/spatial/ckdtree.pyx":1719
 * 
 * 
 *     def query_pairs(cKDTree self, np.float64_t r, np.float64_t p=2.,             # <<<<<<<<<<<<<<
 *                     np.float64_t eps=0):
 *         """query_pairs(self, r, p, eps)
 */

/* Python wrapper */
static PyObject *__pyx_pw_5scipy_7spatial_7ckdtree_7cKDTree_11query_pairs(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_5scipy_7spatial_7ckdtree_7cKDTree_10query_pairs[] = "query_pairs(self, r, p, eps)\n\n        Find all pairs of points whose distance is at most r.\n\n        Parameters\n        ----------\n        r : positive float\n            The maximum distance.\n        p : float, optional\n            Which Minkowski norm to use.  `p` has to meet the condition\n            ``1 <= p <= infinity``.\n        eps : float, optional\n            Approximate search.  Branches of the tree are not explored\n            if their nearest points are further than ``r/(1+eps)``, and\n            branches are added in bulk if their furthest points are nearer\n            than ``r * (1+eps)``.  `eps` has to be non-negative.\n\n        Returns\n        -------\n        results : set\n            Set of pairs ``(i,j)``, with ``i < j`, for which the corresponding\n            positions are close.\n\n        ";
static PyObject *__pyx_pw_5scipy_7spatial_7ckdtree_7cKDTree_11query_pairs(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  __pyx_t_5numpy_float64_t __pyx_v_r;
  __pyx_t_5numpy_float64_t __pyx_v_p;
  __pyx_t_5numpy_float64_t __pyx_v_eps;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
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    if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_t_6 = 0;
  __pyx_v_inner_idx = ((PyArrayObject *)__pyx_t_5);
  __pyx_t_5 = 0;

  /* "scipy/spatial/ckdtree.pyx":1781
 *         cdef np.ndarray[np.intp_t, ndim=1] inner_idx
 *         inner_idx = np.empty((n_queries,), dtype=np.intp)
 *         idx = &inner_idx[0]             # <<<<<<<<<<<<<<
 * 
 *         old_n_queries = n_queries
 */
  __pyx_t_11 = 0;
  __pyx_t_7 = -1;
  if (__pyx_t_11 < 0) {
    __pyx_t_11 += __pyx_pybuffernd_inner_idx.diminfo[0].shape;
    if (unlikely(__pyx_t_11 < 0)) __pyx_t_7 = 0;
  } else if (unlikely(__pyx_t_11 >= __pyx_pybuffernd_inner_idx.diminfo[0].shape)) __pyx_t_7 = 0;
  if (unlikely(__pyx_t_7 != -1)) {
    __Pyx_RaiseBufferIndexError(__pyx_t_7);
    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1781; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  }
  __pyx_v_idx = (&(*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_intp_t *, __pyx_pybuffernd_inner_idx.rcbuffer->pybuffer.buf, __pyx_t_11, __pyx_pybuffernd_inner_idx.diminfo[0].strides)));

  /* "scipy/spatial/ckdtree.pyx":1783
 *         idx = &inner_idx[0]
 * 
 *         old_n_queries = n_queries             # <<<<<<<<<<<<<<
 *         n_queries = 0
 *         for i in range(old_n_queries):
 */
  __pyx_v_old_n_queries = __pyx_v_n_queries;

  /* "scipy/spatial/ckdtree.pyx":1784
 * 
 *         old_n_queries = n_queries
 *         n_queries = 0             # <<<<<<<<<<<<<<
 *         for i in range(old_n_queries):
 *             if tracker.max_distance < r[old_idx[i]]:
 */
  __pyx_v_n_queries = 0;

  /* "scipy/spatial/ckdtree.pyx":1785
 *         old_n_queries = n_queries
 *         n_queries = 0
 *         for i in range(old_n_queries):             # <<<<<<<<<<<<<<
 *             if tracker.max_distance < r[old_idx[i]]:
 *                 results[old_idx[i]] += node1.children * node2.children
 */
  __pyx_t_12 = __pyx_v_old_n_queries;
  for (__pyx_t_13 = 0; __pyx_t_13 < __pyx_t_12; __pyx_t_13+=1) {
    __pyx_v_i = __pyx_t_13;

    /* "scipy/spatial/ckdtree.pyx":1786
 *         n_queries = 0
 *         for i in range(old_n_queries):
 *             if tracker.max_distance < r[old_idx[i]]:             # <<<<<<<<<<<<<<
 *                 results[old_idx[i]] += node1.children * node2.children
 *             elif tracker.min_distance <= r[old_idx[i]]:
 */
    __pyx_t_14 = ((__pyx_v_tracker->max_distance < (__pyx_v_r[(__pyx_v_old_idx[__pyx_v_i])])) != 0);
    if (__pyx_t_14) {

      /* "scipy/spatial/ckdtree.pyx":1787
 *         for i in range(old_n_queries):
 *             if tracker.max_distance < r[old_idx[i]]:
 *                 results[old_idx[i]] += node1.children * node2.children             # <<<<<<<<<<<<<<
 *             elif tracker.min_distance <= r[old_idx[i]]:
 *                 idx[n_queries] = old_idx[i]
 */
      __pyx_t_15 = (__pyx_v_old_idx[__pyx_v_i]);
      (__pyx_v_results[__pyx_t_15]) = ((__pyx_v_results[__pyx_t_15]) + (__pyx_v_node1->children * __pyx_v_node2->children));
      goto __pyx_L5;
    }

    /* "scipy/spatial/ckdtree.pyx":1788
 *             if tracker.max_distance < r[old_idx[i]]:
 *                 results[old_idx[i]] += node1.children * node2.children
 *             elif tracker.min_distance <= r[old_idx[i]]:             # <<<<<<<<<<<<<<
 *                 idx[n_queries] = old_idx[i]
 *                 n_queries += 1
 */
    __pyx_t_14 = ((__pyx_v_tracker->min_distance <= (__pyx_v_r[(__pyx_v_old_idx[__pyx_v_i])])) != 0);
    if (__pyx_t_14) {

      /* "scipy/spatial/ckdtree.pyx":1789
 *                 results[old_idx[i]] += node1.children * node2.children
 *             elif tracker.min_distance <= r[old_idx[i]]:
 *                 idx[n_queries] = old_idx[i]             # <<<<<<<<<<<<<<
 *                 n_queries += 1
 * 
 */
      (__pyx_v_idx[__pyx_v_n_queries]) = (__pyx_v_old_idx[__pyx_v_i]);

      /* "scipy/spatial/ckdtree.pyx":1790
 *             elif tracker.min_distance <= r[old_idx[i]]:
 *                 idx[n_queries] = old_idx[i]
 *                 n_queries += 1             # <<<<<<<<<<<<<<
 * 
 *         if n_queries > 0:
 */
      __pyx_v_n_queries = (__pyx_v_n_queries + 1);
      goto __pyx_L5;
    }
    __pyx_L5:;
  }

  /* "scipy/spatial/ckdtree.pyx":1792
 *                 n_queries += 1
 * 
 *         if n_queries > 0:             # <<<<<<<<<<<<<<
 *             # OK, need to probe a bit deeper
 *             if node1.split_dim == -1:  # 1 is leaf node
 */
  __pyx_t_14 = ((__pyx_v_n_queries > 0) != 0);
  if (__pyx_t_14) {

    /* "scipy/spatial/ckdtree.pyx":1794
 *         if n_queries > 0:
 *             # OK, need to probe a bit deeper
 *             if node1.split_dim == -1:  # 1 is leaf node             # <<<<<<<<<<<<<<
 *                 lnode1 = <leafnode*>node1
 *                 if node2.split_dim == -1:  # 1 & 2 are leaves
 */
    __pyx_t_14 = ((__pyx_v_node1->split_dim == -1) != 0);
    if (__pyx_t_14) {

      /* "scipy/spatial/ckdtree.pyx":1795
 *             # OK, need to probe a bit deeper
 *             if node1.split_dim == -1:  # 1 is leaf node
 *                 lnode1 = <leafnode*>node1             # <<<<<<<<<<<<<<
 *                 if node2.split_dim == -1:  # 1 & 2 are leaves
 *                     lnode2 = <leafnode*>node2
 */
      __pyx_v_lnode1 = ((struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *)__pyx_v_node1);

      /* "scipy/spatial/ckdtree.pyx":1796
 *             if node1.split_dim == -1:  # 1 is leaf node
 *                 lnode1 = <leafnode*>node1
 *                 if node2.split_dim == -1:  # 1 & 2 are leaves             # <<<<<<<<<<<<<<
 *                     lnode2 = <leafnode*>node2
 * 
 */
      __pyx_t_14 = ((__pyx_v_node2->split_dim == -1) != 0);
      if (__pyx_t_14) {

        /* "scipy/spatial/ckdtree.pyx":1797
 *                 lnode1 = <leafnode*>node1
 *                 if node2.split_dim == -1:  # 1 & 2 are leaves
 *                     lnode2 = <leafnode*>node2             # <<<<<<<<<<<<<<
 * 
 *                     # brute-force
 */
        __pyx_v_lnode2 = ((struct __pyx_t_5scipy_7spatial_7ckdtree_leafnode *)__pyx_v_node2);

        /* "scipy/spatial/ckdtree.pyx":1800
 * 
 *                     # brute-force
 *                     for i in range(lnode1.start_idx, lnode1.end_idx):             # <<<<<<<<<<<<<<
 *                         for j in range(lnode2.start_idx, lnode2.end_idx):
 *                             d = _distance_p(
 */
        __pyx_t_12 = __pyx_v_lnode1->end_idx;
        for (__pyx_t_13 = __pyx_v_lnode1->start_idx; __pyx_t_13 < __pyx_t_12; __pyx_t_13+=1) {
          __pyx_v_i = __pyx_t_13;

          /* "scipy/spatial/ckdtree.pyx":1801
 *                     # brute-force
 *                     for i in range(lnode1.start_idx, lnode1.end_idx):
 *                         for j in range(lnode2.start_idx, lnode2.end_idx):             # <<<<<<<<<<<<<<
 *                             d = _distance_p(
 *                                 self.raw_data + self.raw_indices[i] * self.m,
 */
          __pyx_t_15 = __pyx_v_lnode2->end_idx;
          for (__pyx_t_16 = __pyx_v_lnode2->start_idx; __pyx_t_16 < __pyx_t_15; __pyx_t_16+=1) {
            __pyx_v_j = __pyx_t_16;

            /* "scipy/spatial/ckdtree.pyx":1802
 *                     for i in range(lnode1.start_idx, lnode1.end_idx):
 *                         for j in range(lnode2.start_idx, lnode2.end_idx):
 *                             d = _distance_p(             # <<<<<<<<<<<<<<
 *                                 self.raw_data + self.raw_indices[i] * self.m,
 *                                 other.raw_data + other.raw_indices[j] * other.m,
 */
            __pyx_v_d = __pyx_f_5scipy_7spatial_7ckdtree__distance_p((__pyx_v_self->raw_data + ((__pyx_v_self->raw_indices[__pyx_v_i]) * __pyx_v_self->m)), (__pyx_v_other->raw_data + ((__pyx_v_other->raw_indices[__pyx_v_j]) * __pyx_v_other->m)), __pyx_v_tracker->p, __pyx_v_self->m, __pyx_v_tracker->max_distance);

            /* "scipy/spatial/ckdtree.pyx":1809
 *                             # than to generate a distance array, sort it, then
 *                             # search for all r's via binary search
 *                             for l in range(n_queries):             # <<<<<<<<<<<<<<
 *                                 if d <= r[idx[l]]:
 *                                     results[idx[l]] += 1
 */
            __pyx_t_17 = __pyx_v_n_queries;
            for (__pyx_t_18 = 0; __pyx_t_18 < __pyx_t_17; __pyx_t_18+=1) {
              __pyx_v_l = __pyx_t_18;

              /* "scipy/spatial/ckdtree.pyx":1810
 *                             # search for all r's via binary search
 *                             for l in range(n_queries):
 *                                 if d <= r[idx[l]]:             # <<<<<<<<<<<<<<
 *                                     results[idx[l]] += 1
 * 
 */
              __pyx_t_14 = ((__pyx_v_d <= (__pyx_v_r[(__pyx_v_idx[__pyx_v_l])])) != 0);
              if (__pyx_t_14) {

                /* "scipy/spatial/ckdtree.pyx":1811
 *                             for l in range(n_queries):
 *                                 if d <= r[idx[l]]:
 *                                     results[idx[l]] += 1             # <<<<<<<<<<<<<<
 * 
 *                 else:  # 1 is a leaf node, 2 is inner node
 */
                __pyx_t_19 = (__pyx_v_idx[__pyx_v_l]);
                (__pyx_v_results[__pyx_t_19]) = ((__pyx_v_results[__pyx_t_19]) + 1);
                goto __pyx_L15;
              }
              __pyx_L15:;
            }
          }
        }
        goto __pyx_L8;
      }
      /*else*/ {

        /* "scipy/spatial/ckdtree.pyx":1814
 * 
 *                 else:  # 1 is a leaf node, 2 is inner node
 *                     tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                     self.__count_neighbors_traverse(
 *                         other, n_queries, r, results, idx,
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1814; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1815
 *                 else:  # 1 is a leaf node, 2 is inner node
 *                     tracker.push_less_of(2, node2)
 *                     self.__count_neighbors_traverse(             # <<<<<<<<<<<<<<
 *                         other, n_queries, r, results, idx,
 *                         node1, node2.less, tracker)
 */
        __pyx_t_7 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___count_neighbors_traverse(__pyx_v_self, __pyx_v_other, __pyx_v_n_queries, __pyx_v_r, __pyx_v_results, __pyx_v_idx, __pyx_v_node1, __pyx_v_node2->less, __pyx_v_tracker); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1815; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1818
 *                         other, n_queries, r, results, idx,
 *                         node1, node2.less, tracker)
 *                     tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                     tracker.push_greater_of(2, node2)
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1818; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1820
 *                     tracker.pop()
 * 
 *                     tracker.push_greater_of(2, node2)             # <<<<<<<<<<<<<<
 *                     self.__count_neighbors_traverse(
 *                         other, n_queries, r, results, idx,
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1820; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1821
 * 
 *                     tracker.push_greater_of(2, node2)
 *                     self.__count_neighbors_traverse(             # <<<<<<<<<<<<<<
 *                         other, n_queries, r, results, idx,
 *                         node1, node2.greater, tracker)
 */
        __pyx_t_7 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___count_neighbors_traverse(__pyx_v_self, __pyx_v_other, __pyx_v_n_queries, __pyx_v_r, __pyx_v_results, __pyx_v_idx, __pyx_v_node1, __pyx_v_node2->greater, __pyx_v_tracker); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1821; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1824
 *                         other, n_queries, r, results, idx,
 *                         node1, node2.greater, tracker)
 *                     tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *             else:  # 1 is an inner node
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1824; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      }
      __pyx_L8:;
      goto __pyx_L7;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":1827
 * 
 *             else:  # 1 is an inner node
 *                 if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node             # <<<<<<<<<<<<<<
 *                     tracker.push_less_of(1, node1)
 *                     self.__count_neighbors_traverse(
 */
      __pyx_t_14 = ((__pyx_v_node2->split_dim == -1) != 0);
      if (__pyx_t_14) {

        /* "scipy/spatial/ckdtree.pyx":1828
 *             else:  # 1 is an inner node
 *                 if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node
 *                     tracker.push_less_of(1, node1)             # <<<<<<<<<<<<<<
 *                     self.__count_neighbors_traverse(
 *                         other, n_queries, r, results, idx,
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1829
 *                 if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node
 *                     tracker.push_less_of(1, node1)
 *                     self.__count_neighbors_traverse(             # <<<<<<<<<<<<<<
 *                         other, n_queries, r, results, idx,
 *                         node1.less, node2, tracker)
 */
        __pyx_t_7 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___count_neighbors_traverse(__pyx_v_self, __pyx_v_other, __pyx_v_n_queries, __pyx_v_r, __pyx_v_results, __pyx_v_idx, __pyx_v_node1->less, __pyx_v_node2, __pyx_v_tracker); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1832
 *                         other, n_queries, r, results, idx,
 *                         node1.less, node2, tracker)
 *                     tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                     tracker.push_greater_of(1, node1)
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1834
 *                     tracker.pop()
 * 
 *                     tracker.push_greater_of(1, node1)             # <<<<<<<<<<<<<<
 *                     self.__count_neighbors_traverse(
 *                         other, n_queries, r, results, idx,
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1835
 * 
 *                     tracker.push_greater_of(1, node1)
 *                     self.__count_neighbors_traverse(             # <<<<<<<<<<<<<<
 *                         other, n_queries, r, results, idx,
 *                         node1.greater, node2, tracker)
 */
        __pyx_t_7 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___count_neighbors_traverse(__pyx_v_self, __pyx_v_other, __pyx_v_n_queries, __pyx_v_r, __pyx_v_results, __pyx_v_idx, __pyx_v_node1->greater, __pyx_v_node2, __pyx_v_tracker); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1838
 *                         other, n_queries, r, results, idx,
 *                         node1.greater, node2, tracker)
 *                     tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 else: # 1 and 2 are inner nodes
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
        goto __pyx_L16;
      }
      /*else*/ {

        /* "scipy/spatial/ckdtree.pyx":1841
 * 
 *                 else: # 1 and 2 are inner nodes
 *                     tracker.push_less_of(1, node1)             # <<<<<<<<<<<<<<
 *                     tracker.push_less_of(2, node2)
 *                     self.__count_neighbors_traverse(
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1842
 *                 else: # 1 and 2 are inner nodes
 *                     tracker.push_less_of(1, node1)
 *                     tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                     self.__count_neighbors_traverse(
 *                         other, n_queries, r, results, idx,
 */
        __pyx_t_7 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":1843
 *                     tracker.push_less_of(1, node1)
 *                     tracker.push_less_of(2, node2)
 *                     self.__count_neighbors_traverse(             # <<<<<<<<<<<<<<
 *                         other, n_queries, r, results, idx,
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 *             if node2.split_dim == -1:  # 1 & 2 are leaves             # <<<<<<<<<<<<<<
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 *                 # brute-force
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 *                     if node1 == node2:             # <<<<<<<<<<<<<<
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 *                     for j in range(min_j, lnode2.end_idx):
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 *                     for j in range(min_j, lnode2.end_idx):
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 */
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 *                                 d = d**(1. / tracker.p)
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 */
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 *                             results.add(self.raw_indices[i],
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            /* "scipy/spatial/ckdtree.pyx":1985
 *                             if tracker.p != 1 and tracker.p != infinity:
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              /* "scipy/spatial/ckdtree.pyx":1988
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 */
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      /* "scipy/spatial/ckdtree.pyx":2004
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      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2005
 *             if node2.split_dim == -1:  # 1 is an inner node, 2 is a leaf node
 *                 tracker.push_less_of(1, node1)
 *                 self.__sparse_distance_matrix_traverse(             # <<<<<<<<<<<<<<
 *                     other, results, node1.less, node2, tracker)
 *                 tracker.pop()
 */
      __pyx_t_8 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___sparse_distance_matrix_traverse(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2, __pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2007
 *                 self.__sparse_distance_matrix_traverse(
 *                     other, results, node1.less, node2, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(1, node1)
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2007; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2009
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(1, node1)             # <<<<<<<<<<<<<<
 *                 self.__sparse_distance_matrix_traverse(
 *                     other, results, node1.greater, node2, tracker)
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2009; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2010
 * 
 *                 tracker.push_greater_of(1, node1)
 *                 self.__sparse_distance_matrix_traverse(             # <<<<<<<<<<<<<<
 *                     other, results, node1.greater, node2, tracker)
 *                 tracker.pop()
 */
      __pyx_t_8 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___sparse_distance_matrix_traverse(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2, __pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2010; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2012
 *                 self.__sparse_distance_matrix_traverse(
 *                     other, results, node1.greater, node2, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *             else: # 1 and 2 are inner nodes
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2012; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      goto __pyx_L13;
    }
    /*else*/ {

      /* "scipy/spatial/ckdtree.pyx":2015
 * 
 *             else: # 1 and 2 are inner nodes
 *                 tracker.push_less_of(1, node1)             # <<<<<<<<<<<<<<
 *                 tracker.push_less_of(2, node2)
 *                 self.__sparse_distance_matrix_traverse(
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2015; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2016
 *             else: # 1 and 2 are inner nodes
 *                 tracker.push_less_of(1, node1)
 *                 tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__sparse_distance_matrix_traverse(
 *                     other, results, node1.less, node2.less, tracker)
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2017
 *                 tracker.push_less_of(1, node1)
 *                 tracker.push_less_of(2, node2)
 *                 self.__sparse_distance_matrix_traverse(             # <<<<<<<<<<<<<<
 *                     other, results, node1.less, node2.less, tracker)
 *                 tracker.pop()
 */
      __pyx_t_8 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___sparse_distance_matrix_traverse(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2->less, __pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2019
 *                 self.__sparse_distance_matrix_traverse(
 *                     other, results, node1.less, node2.less, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(2, node2)
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2019; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2021
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__sparse_distance_matrix_traverse(
 *                     other, results, node1.less, node2.greater, tracker)
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2022
 * 
 *                 tracker.push_greater_of(2, node2)
 *                 self.__sparse_distance_matrix_traverse(             # <<<<<<<<<<<<<<
 *                     other, results, node1.less, node2.greater, tracker)
 *                 tracker.pop()
 */
      __pyx_t_8 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___sparse_distance_matrix_traverse(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->less, __pyx_v_node2->greater, __pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2022; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2024
 *                 self.__sparse_distance_matrix_traverse(
 *                     other, results, node1.less, node2.greater, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 *                 tracker.pop()
 * 
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2025
 *                     other, results, node1.less, node2.greater, tracker)
 *                 tracker.pop()
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(1, node1)
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2027
 *                 tracker.pop()
 * 
 *                 tracker.push_greater_of(1, node1)             # <<<<<<<<<<<<<<
 *                 if node1 != node2:
 *                     # Avoid traversing (node1.less, node2.greater) and
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 1, __pyx_v_node1); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2028
 * 
 *                 tracker.push_greater_of(1, node1)
 *                 if node1 != node2:             # <<<<<<<<<<<<<<
 *                     # Avoid traversing (node1.less, node2.greater) and
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 */
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        /* "scipy/spatial/ckdtree.pyx":2033
 *                     # twice over, which is the source of the complication in
 *                     # the original KDTree.sparse_distance_matrix)
 *                     tracker.push_less_of(2, node2)             # <<<<<<<<<<<<<<
 *                     self.__sparse_distance_matrix_traverse(
 *                         other, results, node1.greater, node2.less, tracker)
 */
        __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_less_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":2034
 *                     # the original KDTree.sparse_distance_matrix)
 *                     tracker.push_less_of(2, node2)
 *                     self.__sparse_distance_matrix_traverse(             # <<<<<<<<<<<<<<
 *                         other, results, node1.greater, node2.less, tracker)
 *                     tracker.pop()
 */
        __pyx_t_8 = ((struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree *)__pyx_v_self->__pyx_vtab)->__pyx___sparse_distance_matrix_traverse(__pyx_v_self, __pyx_v_other, __pyx_v_results, __pyx_v_node1->greater, __pyx_v_node2->less, __pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

        /* "scipy/spatial/ckdtree.pyx":2036
 *                     self.__sparse_distance_matrix_traverse(
 *                         other, results, node1.greater, node2.less, tracker)
 *                     tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *                 tracker.push_greater_of(2, node2)
 */
        __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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      __pyx_L14:;

      /* "scipy/spatial/ckdtree.pyx":2038
 *                     tracker.pop()
 * 
 *                 tracker.push_greater_of(2, node2)             # <<<<<<<<<<<<<<
 *                 self.__sparse_distance_matrix_traverse(
 *                     other, results, node1.greater, node2.greater, tracker)
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_push_greater_of(__pyx_v_tracker, 2, __pyx_v_node2); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2039
 * 
 *                 tracker.push_greater_of(2, node2)
 *                 self.__sparse_distance_matrix_traverse(             # <<<<<<<<<<<<<<
 *                     other, results, node1.greater, node2.greater, tracker)
 *                 tracker.pop()
 */
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      /* "scipy/spatial/ckdtree.pyx":2041
 *                 self.__sparse_distance_matrix_traverse(
 *                     other, results, node1.greater, node2.greater, tracker)
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 *                 tracker.pop()
 * 
 */
      __pyx_t_8 = __pyx_f_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_pop(__pyx_v_tracker); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2041; __pyx_clineno = __LINE__; goto __pyx_L1_error;}

      /* "scipy/spatial/ckdtree.pyx":2042
 *                     other, results, node1.greater, node2.greater, tracker)
 *                 tracker.pop()
 *                 tracker.pop()             # <<<<<<<<<<<<<<
 * 
 *         return 0
 */
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 * 
 *         return 0             # <<<<<<<<<<<<<<
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/* "scipy/spatial/ckdtree.pyx":2046
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    PyErr_Restore(etype, eval, etb);
  }
  (*Py_TYPE(o)->tp_free)(o);
}

static PyMethodDef __pyx_methods_5scipy_7spatial_7ckdtree_heap[] = {
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};

static PyTypeObject __pyx_type_5scipy_7spatial_7ckdtree_heap = {
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  __pyx_tp_dealloc_5scipy_7spatial_7ckdtree_heap, /*tp_dealloc*/
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  0, /*tp_version_tag*/
  #endif
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  0, /*tp_finalize*/
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static struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_coo_entries __pyx_vtable_5scipy_7spatial_7ckdtree_coo_entries;

static PyObject *__pyx_tp_new_5scipy_7spatial_7ckdtree_coo_entries(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *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_5scipy_7spatial_7ckdtree_coo_entries *)o);
  p->__pyx_vtab = __pyx_vtabptr_5scipy_7spatial_7ckdtree_coo_entries;
  p->i = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  p->j = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  p->v = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  return o;
}

static void __pyx_tp_dealloc_5scipy_7spatial_7ckdtree_coo_entries(PyObject *o) {
  struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *)o;
  #if PY_VERSION_HEX >= 0x030400a1
  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
    if (PyObject_CallFinalizerFromDealloc(o)) return;
  }
  #endif
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->i);
  Py_CLEAR(p->j);
  Py_CLEAR(p->v);
  (*Py_TYPE(o)->tp_free)(o);
}

static int __pyx_tp_traverse_5scipy_7spatial_7ckdtree_coo_entries(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *)o;
  if (p->i) {
    e = (*v)(((PyObject*)p->i), a); if (e) return e;
  }
  if (p->j) {
    e = (*v)(((PyObject*)p->j), a); if (e) return e;
  }
  if (p->v) {
    e = (*v)(((PyObject*)p->v), a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_5scipy_7spatial_7ckdtree_coo_entries(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries *)o;
  tmp = ((PyObject*)p->i);
  p->i = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->j);
  p->j = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->v);
  p->v = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyMethodDef __pyx_methods_5scipy_7spatial_7ckdtree_coo_entries[] = {
  {__Pyx_NAMESTR("to_matrix"), (PyCFunction)__pyx_pw_5scipy_7spatial_7ckdtree_11coo_entries_3to_matrix, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
  {0, 0, 0, 0}
};

static PyTypeObject __pyx_type_5scipy_7spatial_7ckdtree_coo_entries = {
  PyVarObject_HEAD_INIT(0, 0)
  __Pyx_NAMESTR("scipy.spatial.ckdtree.coo_entries"), /*tp_name*/
  sizeof(struct __pyx_obj_5scipy_7spatial_7ckdtree_coo_entries), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_5scipy_7spatial_7ckdtree_coo_entries, /*tp_dealloc*/
  0, /*tp_print*/
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
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  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_5scipy_7spatial_7ckdtree_coo_entries, /*tp_traverse*/
  __pyx_tp_clear_5scipy_7spatial_7ckdtree_coo_entries, /*tp_clear*/
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  0, /*tp_weaklistoffset*/
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  __pyx_methods_5scipy_7spatial_7ckdtree_coo_entries, /*tp_methods*/
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  0, /*tp_finalize*/
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};

static PyObject *__pyx_tp_new_5scipy_7spatial_7ckdtree_Rectangle(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *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_5scipy_7spatial_7ckdtree_Rectangle *)o);
  p->mins_arr = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  p->maxes_arr = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  return o;
}

static void __pyx_tp_dealloc_5scipy_7spatial_7ckdtree_Rectangle(PyObject *o) {
  struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *)o;
  #if PY_VERSION_HEX >= 0x030400a1
  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
    if (PyObject_CallFinalizerFromDealloc(o)) return;
  }
  #endif
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->mins_arr);
  Py_CLEAR(p->maxes_arr);
  (*Py_TYPE(o)->tp_free)(o);
}

static int __pyx_tp_traverse_5scipy_7spatial_7ckdtree_Rectangle(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *)o;
  if (p->mins_arr) {
    e = (*v)(((PyObject*)p->mins_arr), a); if (e) return e;
  }
  if (p->maxes_arr) {
    e = (*v)(((PyObject*)p->maxes_arr), a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_5scipy_7spatial_7ckdtree_Rectangle(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *)o;
  tmp = ((PyObject*)p->mins_arr);
  p->mins_arr = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->maxes_arr);
  p->maxes_arr = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyMethodDef __pyx_methods_5scipy_7spatial_7ckdtree_Rectangle[] = {
  {0, 0, 0, 0}
};

static PyTypeObject __pyx_type_5scipy_7spatial_7ckdtree_Rectangle = {
  PyVarObject_HEAD_INIT(0, 0)
  __Pyx_NAMESTR("scipy.spatial.ckdtree.Rectangle"), /*tp_name*/
  sizeof(struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_5scipy_7spatial_7ckdtree_Rectangle, /*tp_dealloc*/
  0, /*tp_print*/
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #else
  0, /*reserved*/
  #endif
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  0, /*tp_str*/
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  0, /*tp_setattro*/
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  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_5scipy_7spatial_7ckdtree_Rectangle, /*tp_traverse*/
  __pyx_tp_clear_5scipy_7spatial_7ckdtree_Rectangle, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
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  __pyx_methods_5scipy_7spatial_7ckdtree_Rectangle, /*tp_methods*/
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  __pyx_pw_5scipy_7spatial_7ckdtree_9Rectangle_1__init__, /*tp_init*/
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  __pyx_tp_new_5scipy_7spatial_7ckdtree_Rectangle, /*tp_new*/
  0, /*tp_free*/
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  0, /*tp_version_tag*/
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  0, /*tp_finalize*/
  #endif
};
static struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_RectRectDistanceTracker __pyx_vtable_5scipy_7spatial_7ckdtree_RectRectDistanceTracker;

static PyObject *__pyx_tp_new_5scipy_7spatial_7ckdtree_RectRectDistanceTracker(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *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_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *)o);
  p->__pyx_vtab = __pyx_vtabptr_5scipy_7spatial_7ckdtree_RectRectDistanceTracker;
  p->rect1 = ((struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *)Py_None); Py_INCREF(Py_None);
  p->rect2 = ((struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *)Py_None); Py_INCREF(Py_None);
  return o;
}

static void __pyx_tp_dealloc_5scipy_7spatial_7ckdtree_RectRectDistanceTracker(PyObject *o) {
  struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *)o;
  #if PY_VERSION_HEX >= 0x030400a1
  if (unlikely(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);
    ++Py_REFCNT(o);
    __pyx_pw_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_3__dealloc__(o);
    --Py_REFCNT(o);
    PyErr_Restore(etype, eval, etb);
  }
  Py_CLEAR(p->rect1);
  Py_CLEAR(p->rect2);
  (*Py_TYPE(o)->tp_free)(o);
}

static int __pyx_tp_traverse_5scipy_7spatial_7ckdtree_RectRectDistanceTracker(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *)o;
  if (p->rect1) {
    e = (*v)(((PyObject*)p->rect1), a); if (e) return e;
  }
  if (p->rect2) {
    e = (*v)(((PyObject*)p->rect2), a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_5scipy_7spatial_7ckdtree_RectRectDistanceTracker(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker *)o;
  tmp = ((PyObject*)p->rect1);
  p->rect1 = ((struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->rect2);
  p->rect2 = ((struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyMethodDef __pyx_methods_5scipy_7spatial_7ckdtree_RectRectDistanceTracker[] = {
  {0, 0, 0, 0}
};

static PyTypeObject __pyx_type_5scipy_7spatial_7ckdtree_RectRectDistanceTracker = {
  PyVarObject_HEAD_INIT(0, 0)
  __Pyx_NAMESTR("scipy.spatial.ckdtree.RectRectDistanceTracker"), /*tp_name*/
  sizeof(struct __pyx_obj_5scipy_7spatial_7ckdtree_RectRectDistanceTracker), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_5scipy_7spatial_7ckdtree_RectRectDistanceTracker, /*tp_dealloc*/
  0, /*tp_print*/
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #else
  0, /*reserved*/
  #endif
  0, /*tp_repr*/
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  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_5scipy_7spatial_7ckdtree_RectRectDistanceTracker, /*tp_traverse*/
  __pyx_tp_clear_5scipy_7spatial_7ckdtree_RectRectDistanceTracker, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  __pyx_methods_5scipy_7spatial_7ckdtree_RectRectDistanceTracker, /*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*/
  __pyx_pw_5scipy_7spatial_7ckdtree_23RectRectDistanceTracker_1__init__, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_5scipy_7spatial_7ckdtree_RectRectDistanceTracker, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
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  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
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  0, /*tp_del*/
  #if PY_VERSION_HEX >= 0x02060000
  0, /*tp_version_tag*/
  #endif
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
};
static struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_PointRectDistanceTracker __pyx_vtable_5scipy_7spatial_7ckdtree_PointRectDistanceTracker;

static PyObject *__pyx_tp_new_5scipy_7spatial_7ckdtree_PointRectDistanceTracker(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *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_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *)o);
  p->__pyx_vtab = __pyx_vtabptr_5scipy_7spatial_7ckdtree_PointRectDistanceTracker;
  p->rect = ((struct __pyx_obj_5scipy_7spatial_7ckdtree_Rectangle *)Py_None); Py_INCREF(Py_None);
  return o;
}

static void __pyx_tp_dealloc_5scipy_7spatial_7ckdtree_PointRectDistanceTracker(PyObject *o) {
  struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *)o;
  #if PY_VERSION_HEX >= 0x030400a1
  if (unlikely(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);
    ++Py_REFCNT(o);
    __pyx_pw_5scipy_7spatial_7ckdtree_24PointRectDistanceTracker_1__dealloc__(o);
    --Py_REFCNT(o);
    PyErr_Restore(etype, eval, etb);
  }
  Py_CLEAR(p->rect);
  (*Py_TYPE(o)->tp_free)(o);
}

static int __pyx_tp_traverse_5scipy_7spatial_7ckdtree_PointRectDistanceTracker(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *)o;
  if (p->rect) {
    e = (*v)(((PyObject*)p->rect), a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_5scipy_7spatial_7ckdtree_PointRectDistanceTracker(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_PointRectDistanceTracker *)o;
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}

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static struct __pyx_vtabstruct_5scipy_7spatial_7ckdtree_cKDTree __pyx_vtable_5scipy_7spatial_7ckdtree_cKDTree;

static PyObject *__pyx_tp_new_5scipy_7spatial_7ckdtree_cKDTree(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
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  if (unlikely(!o)) return 0;
  p = ((struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *)o);
  p->__pyx_vtab = __pyx_vtabptr_5scipy_7spatial_7ckdtree_cKDTree;
  p->data = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  p->maxes = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  p->mins = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  p->indices = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  return o;
}

static void __pyx_tp_dealloc_5scipy_7spatial_7ckdtree_cKDTree(PyObject *o) {
  struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *)o;
  #if PY_VERSION_HEX >= 0x030400a1
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    PyObject *etype, *eval, *etb;
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    ++Py_REFCNT(o);
    __pyx_pw_5scipy_7spatial_7ckdtree_7cKDTree_3__dealloc__(o);
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    PyErr_Restore(etype, eval, etb);
  }
  Py_CLEAR(p->data);
  Py_CLEAR(p->maxes);
  Py_CLEAR(p->mins);
  Py_CLEAR(p->indices);
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}

static int __pyx_tp_traverse_5scipy_7spatial_7ckdtree_cKDTree(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *)o;
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    e = (*v)(((PyObject*)p->data), a); if (e) return e;
  }
  if (p->maxes) {
    e = (*v)(((PyObject*)p->maxes), a); if (e) return e;
  }
  if (p->mins) {
    e = (*v)(((PyObject*)p->mins), a); if (e) return e;
  }
  if (p->indices) {
    e = (*v)(((PyObject*)p->indices), a); if (e) return e;
  }
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}

static int __pyx_tp_clear_5scipy_7spatial_7ckdtree_cKDTree(PyObject *o) {
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  struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *p = (struct __pyx_obj_5scipy_7spatial_7ckdtree_cKDTree *)o;
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  p->data = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->maxes);
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  p->indices = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
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}

static PyObject *__pyx_getprop_5scipy_7spatial_7ckdtree_7cKDTree_data(PyObject *o, CYTHON_UNUSED void *x) {
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}

static PyObject *__pyx_getprop_5scipy_7spatial_7ckdtree_7cKDTree_n(PyObject *o, CYTHON_UNUSED void *x) {
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}

static PyObject *__pyx_getprop_5scipy_7spatial_7ckdtree_7cKDTree_m(PyObject *o, CYTHON_UNUSED void *x) {
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}

static PyObject *__pyx_getprop_5scipy_7spatial_7ckdtree_7cKDTree_leafsize(PyObject *o, CYTHON_UNUSED void *x) {
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}

static PyObject *__pyx_getprop_5scipy_7spatial_7ckdtree_7cKDTree_maxes(PyObject *o, CYTHON_UNUSED void *x) {
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}

static PyObject *__pyx_getprop_5scipy_7spatial_7ckdtree_7cKDTree_mins(PyObject *o, CYTHON_UNUSED void *x) {
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}

static PyMethodDef __pyx_methods_5scipy_7spatial_7ckdtree_cKDTree[] = {
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  {__Pyx_NAMESTR("query_ball_point"), (PyCFunction)__pyx_pw_5scipy_7spatial_7ckdtree_7cKDTree_7query_ball_point, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_5scipy_7spatial_7ckdtree_7cKDTree_6query_ball_point)},
  {__Pyx_NAMESTR("query_ball_tree"), (PyCFunction)__pyx_pw_5scipy_7spatial_7ckdtree_7cKDTree_9query_ball_tree, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_5scipy_7spatial_7ckdtree_7cKDTree_8query_ball_tree)},
  {__Pyx_NAMESTR("query_pairs"), (PyCFunction)__pyx_pw_5scipy_7spatial_7ckdtree_7cKDTree_11query_pairs, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_5scipy_7spatial_7ckdtree_7cKDTree_10query_pairs)},
  {__Pyx_NAMESTR("count_neighbors"), (PyCFunction)__pyx_pw_5scipy_7spatial_7ckdtree_7cKDTree_13count_neighbors, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_5scipy_7spatial_7ckdtree_7cKDTree_12count_neighbors)},
  {__Pyx_NAMESTR("sparse_distance_matrix"), (PyCFunction)__pyx_pw_5scipy_7spatial_7ckdtree_7cKDTree_15sparse_distance_matrix, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_5scipy_7spatial_7ckdtree_7cKDTree_14sparse_distance_matrix)},
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                goto bad;
            owned_instance = PyObject_Call(type, args, NULL);
            Py_DECREF(args);
            if (!owned_instance)
                goto bad;
            value = owned_instance;
            if (!PyExceptionInstance_Check(value)) {
                PyErr_Format(PyExc_TypeError,
                             "calling %R should have returned an instance of "
                             "BaseException, not %R",
                             type, Py_TYPE(value));
                goto bad;
            }
        }
    } else {
        PyErr_SetString(PyExc_TypeError,
            "raise: exception class must be a subclass of BaseException");
        goto bad;
    }
#if PY_VERSION_HEX >= 0x03030000
    if (cause) {
#else
    if (cause && cause != Py_None) {
#endif
        PyObject *fixed_cause;
        if (cause == Py_None) {
            fixed_cause = NULL;
        } else if (PyExceptionClass_Check(cause)) {
            fixed_cause = PyObject_CallObject(cause, NULL);
            if (fixed_cause == NULL)
                goto bad;
        } else if (PyExceptionInstance_Check(cause)) {
            fixed_cause = cause;
            Py_INCREF(fixed_cause);
        } else {
            PyErr_SetString(PyExc_TypeError,
                            "exception causes must derive from "
                            "BaseException");
            goto bad;
        }
        PyException_SetCause(value, fixed_cause);
    }
    PyErr_SetObject(type, value);
    if (tb) {
        PyThreadState *tstate = PyThreadState_GET();
        PyObject* tmp_tb = tstate->curexc_traceback;
        if (tb != tmp_tb) {
            Py_INCREF(tb);
            tstate->curexc_traceback = tb;
            Py_XDECREF(tmp_tb);
        }
    }
bad:
    Py_XDECREF(owned_instance);
    return;
}
#endif

static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
    PyObject *kwdict,
    const char* function_name,
    int kw_allowed)
{
    PyObject* key = 0;
    Py_ssize_t pos = 0;
#if CYTHON_COMPILING_IN_PYPY
    if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0))
        goto invalid_keyword;
    return 1;
#else
    while (PyDict_Next(kwdict, &pos, &key, 0)) {
        #if PY_MAJOR_VERSION < 3
        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
        #endif
            if (unlikely(!PyUnicode_Check(key)))
                goto invalid_keyword_type;
    }
    if ((!kw_allowed) && unlikely(key))
        goto invalid_keyword;
    return 1;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%.200s() keywords must be strings", function_name);
    return 0;
#endif
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
    return 0;
}

static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
    PyObject *result;
#if CYTHON_COMPILING_IN_CPYTHON
    result = PyDict_GetItem(__pyx_d, name);
    if (result) {
        Py_INCREF(result);
    } else {
#else
    result = PyObject_GetItem(__pyx_d, name);
    if (!result) {
        PyErr_Clear();
#endif
        result = __Pyx_GetBuiltinName(name);
    }
    return result;
}

static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
    if (unlikely(!type)) {
        PyErr_SetString(PyExc_SystemError, "Missing type object");
        return 0;
    }
    if (likely(PyObject_TypeCheck(obj, type)))
        return 1;
    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
                 Py_TYPE(obj)->tp_name, type->tp_name);
    return 0;
}

static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename,
                                  int full_traceback) {
    PyObject *old_exc, *old_val, *old_tb;
    PyObject *ctx;
    __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);
    }
}

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

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

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

static CYTHON_INLINE int __Pyx_IterFinish(void) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyThreadState *tstate = PyThreadState_GET();
    PyObject* exc_type = tstate->curexc_type;
    if (unlikely(exc_type)) {
        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
            PyObject *exc_value, *exc_tb;
            exc_value = tstate->curexc_value;
            exc_tb = tstate->curexc_traceback;
            tstate->curexc_type = 0;
            tstate->curexc_value = 0;
            tstate->curexc_traceback = 0;
            Py_DECREF(exc_type);
            Py_XDECREF(exc_value);
            Py_XDECREF(exc_tb);
            return 0;
        } else {
            return -1;
        }
    }
    return 0;
#else
    if (unlikely(PyErr_Occurred())) {
        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
            PyErr_Clear();
            return 0;
        } else {
            return -1;
        }
    }
    return 0;
#endif
}

static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
    if (unlikely(retval)) {
        Py_DECREF(retval);
        __Pyx_RaiseTooManyValuesError(expected);
        return -1;
    } else {
        return __Pyx_IterFinish();
    }
    return 0;
}

static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyThreadState *tstate = PyThreadState_GET();
    *type = tstate->exc_type;
    *value = tstate->exc_value;
    *tb = tstate->exc_traceback;
    Py_XINCREF(*type);
    Py_XINCREF(*value);
    Py_XINCREF(*tb);
#else
    PyErr_GetExcInfo(type, value, tb);
#endif
}
static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    PyThreadState *tstate = PyThreadState_GET();
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = type;
    tstate->exc_value = value;
    tstate->exc_traceback = tb;
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
#else
    PyErr_SetExcInfo(type, value, tb);
#endif
}

static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *local_type, *local_value, *local_tb;
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    PyThreadState *tstate = PyThreadState_GET();
    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_COMPILING_IN_CPYTHON
    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_COMPILING_IN_CPYTHON
    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;
    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;
}

static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
#if CYTHON_COMPILING_IN_CPYTHON
    PyThreadState *tstate = PyThreadState_GET();
    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;
#else
    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
    PyErr_SetExcInfo(*type, *value, *tb);
#endif
    *type = tmp_type;
    *value = tmp_value;
    *tb = tmp_tb;
}

static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
    PyObject *r;
    if (!j) return NULL;
    r = PyObject_GetItem(o, j);
    Py_DECREF(j);
    return r;
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                              int wraparound, int boundscheck) {
#if CYTHON_COMPILING_IN_CPYTHON
    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
        PyObject *r = PyList_GET_ITEM(o, i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                              int wraparound, int boundscheck) {
#if CYTHON_COMPILING_IN_CPYTHON
    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
    if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
        PyObject *r = PyTuple_GET_ITEM(o, i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
                                                     int is_list, int wraparound, int boundscheck) {
#if CYTHON_COMPILING_IN_CPYTHON
    if (is_list || PyList_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
            PyObject *r = PyList_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    }
    else if (PyTuple_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
            PyObject *r = PyTuple_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    } else {
        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
        if (likely(m && m->sq_item)) {
            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
                Py_ssize_t l = m->sq_length(o);
                if (likely(l >= 0)) {
                    i += l;
                } else {
                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
                        PyErr_Clear();
                    else
                        return NULL;
                }
            }
            return m->sq_item(o, i);
        }
    }
#else
    if (is_list || PySequence_Check(o)) {
        return PySequence_GetItem(o, i);
    }
#endif
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
}

static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(
        PyObject* obj, Py_ssize_t cstart, Py_ssize_t cstop,
        PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice,
        int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyMappingMethods* mp;
#if PY_MAJOR_VERSION < 3
    PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence;
    if (likely(ms && ms->sq_slice)) {
        if (!has_cstart) {
            if (_py_start && (*_py_start != Py_None)) {
                cstart = __Pyx_PyIndex_AsSsize_t(*_py_start);
                if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
            } else
                cstart = 0;
        }
        if (!has_cstop) {
            if (_py_stop && (*_py_stop != Py_None)) {
                cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop);
                if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
            } else
                cstop = PY_SSIZE_T_MAX;
        }
        if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) {
            Py_ssize_t l = ms->sq_length(obj);
            if (likely(l >= 0)) {
                if (cstop < 0) {
                    cstop += l;
                    if (cstop < 0) cstop = 0;
                }
                if (cstart < 0) {
                    cstart += l;
                    if (cstart < 0) cstart = 0;
                }
            } else {
                if (PyErr_ExceptionMatches(PyExc_OverflowError))
                    PyErr_Clear();
                else
                    goto bad;
            }
        }
        return ms->sq_slice(obj, cstart, cstop);
    }
#endif
    mp = Py_TYPE(obj)->tp_as_mapping;
    if (likely(mp && mp->mp_subscript))
#endif
    {
        PyObject* result;
        PyObject *py_slice, *py_start, *py_stop;
        if (_py_slice) {
            py_slice = *_py_slice;
        } else {
            PyObject* owned_start = NULL;
            PyObject* owned_stop = NULL;
            if (_py_start) {
                py_start = *_py_start;
            } else {
                if (has_cstart) {
                    owned_start = py_start = PyInt_FromSsize_t(cstart);
                    if (unlikely(!py_start)) goto bad;
                } else
                    py_start = Py_None;
            }
            if (_py_stop) {
                py_stop = *_py_stop;
            } else {
                if (has_cstop) {
                    owned_stop = py_stop = PyInt_FromSsize_t(cstop);
                    if (unlikely(!py_stop)) {
                        Py_XDECREF(owned_start);
                        goto bad;
                    }
                } else
                    py_stop = Py_None;
            }
            py_slice = PySlice_New(py_start, py_stop, Py_None);
            Py_XDECREF(owned_start);
            Py_XDECREF(owned_stop);
            if (unlikely(!py_slice)) goto bad;
        }
#if CYTHON_COMPILING_IN_CPYTHON
        result = mp->mp_subscript(obj, py_slice);
#else
        result = PyObject_GetItem(obj, py_slice);
#endif
        if (!_py_slice) {
            Py_DECREF(py_slice);
        }
        return result;
    }
    PyErr_Format(PyExc_TypeError,
        "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name);
bad:
    return NULL;
}

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

static void __Pyx_RaiseBufferFallbackError(void) {
  PyErr_SetString(PyExc_ValueError,
     "Buffer acquisition failed on assignment; and then reacquiring the old buffer failed too!");
}

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

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

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

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_Py_intptr_t(Py_intptr_t value) {
    const Py_intptr_t neg_one = (Py_intptr_t) -1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(Py_intptr_t) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(Py_intptr_t) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(Py_intptr_t) <= sizeof(unsigned long long)) {
            return PyLong_FromUnsignedLongLong((unsigned long long) value);
        }
    } else {
        if (sizeof(Py_intptr_t) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(Py_intptr_t) <= sizeof(long long)) {
            return PyLong_FromLongLong((long long) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(Py_intptr_t),
                                     little, !is_unsigned);
    }
}

#if PY_MAJOR_VERSION < 3
static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
  #if PY_VERSION_HEX >= 0x02060000
    if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
  #endif
        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pw_5numpy_7ndarray_1__getbuffer__(obj, view, flags);
  #if PY_VERSION_HEX < 0x02060000
    if (obj->ob_type->tp_dict) {
        PyObject *getbuffer_cobj = PyObject_GetItem(
            obj->ob_type->tp_dict, __pyx_n_s_pyx_getbuffer);
        if (getbuffer_cobj) {
            getbufferproc func = (getbufferproc) PyCObject_AsVoidPtr(getbuffer_cobj);
            Py_DECREF(getbuffer_cobj);
            if (!func)
                goto fail;
            return func(obj, view, flags);
        } else {
            PyErr_Clear();
        }
    }
  #endif
    PyErr_Format(PyExc_TypeError, "'%.200s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
#if PY_VERSION_HEX < 0x02060000
fail:
#endif
    return -1;
}
static void __Pyx_ReleaseBuffer(Py_buffer *view) {
    PyObject *obj = view->obj;
    if (!obj) return;
  #if PY_VERSION_HEX >= 0x02060000
    if (PyObject_CheckBuffer(obj)) {
        PyBuffer_Release(view);
        return;
    }
  #endif
        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) { __pyx_pw_5numpy_7ndarray_3__releasebuffer__(obj, view); return; }
  #if PY_VERSION_HEX < 0x02060000
    if (obj->ob_type->tp_dict) {
        PyObject *releasebuffer_cobj = PyObject_GetItem(
            obj->ob_type->tp_dict, __pyx_n_s_pyx_releasebuffer);
        if (releasebuffer_cobj) {
            releasebufferproc func = (releasebufferproc) PyCObject_AsVoidPtr(releasebuffer_cobj);
            Py_DECREF(releasebuffer_cobj);
            if (!func)
                goto fail;
            func(obj, view);
            return;
        } else {
            PyErr_Clear();
        }
    }
  #endif
    goto nofail;
#if PY_VERSION_HEX < 0x02060000
fail:
#endif
    PyErr_WriteUnraisable(obj);
nofail:
    Py_DECREF(obj);
    view->obj = NULL;
}
#endif /*  PY_MAJOR_VERSION < 3 */


        static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
    PyObject *empty_list = 0;
    PyObject *module = 0;
    PyObject *global_dict = 0;
    PyObject *empty_dict = 0;
    PyObject *list;
    #if PY_VERSION_HEX < 0x03030000
    PyObject *py_import;
    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
    if (!py_import)
        goto bad;
    #endif
    if (from_list)
        list = from_list;
    else {
        empty_list = PyList_New(0);
        if (!empty_list)
            goto bad;
        list = empty_list;
    }
    global_dict = PyModule_GetDict(__pyx_m);
    if (!global_dict)
        goto bad;
    empty_dict = PyDict_New();
    if (!empty_dict)
        goto bad;
    #if PY_VERSION_HEX >= 0x02050000
    {
        #if PY_MAJOR_VERSION >= 3
        if (level == -1) {
            if (strchr(__Pyx_MODULE_NAME, '.')) {
                #if PY_VERSION_HEX < 0x03030000
                PyObject *py_level = PyInt_FromLong(1);
                if (!py_level)
                    goto bad;
                module = PyObject_CallFunctionObjArgs(py_import,
                    name, global_dict, empty_dict, list, py_level, NULL);
                Py_DECREF(py_level);
                #else
                module = PyImport_ImportModuleLevelObject(
                    name, global_dict, empty_dict, list, 1);
                #endif
                if (!module) {
                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
                        goto bad;
                    PyErr_Clear();
                }
            }
            level = 0; /* try absolute import on failure */
        }
        #endif
        if (!module) {
            #if PY_VERSION_HEX < 0x03030000
            PyObject *py_level = PyInt_FromLong(level);
            if (!py_level)
                goto bad;
            module = PyObject_CallFunctionObjArgs(py_import,
                name, global_dict, empty_dict, list, py_level, NULL);
            Py_DECREF(py_level);
            #else
            module = PyImport_ImportModuleLevelObject(
                name, global_dict, empty_dict, list, level);
            #endif
        }
    }
    #else
    if (level>0) {
        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
        goto bad;
    }
    module = PyObject_CallFunctionObjArgs(py_import,
        name, global_dict, empty_dict, list, NULL);
    #endif
bad:
    #if PY_VERSION_HEX < 0x03030000
    Py_XDECREF(py_import);
    #endif
    Py_XDECREF(empty_list);
    Py_XDECREF(empty_dict);
    return module;
}

#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
    {                                                                     \
        func_type value = func(x);                                        \
        if (sizeof(target_type) < sizeof(func_type)) {                    \
            if (unlikely(value != (func_type) (target_type) value)) {     \
                func_type zero = 0;                                       \
                PyErr_SetString(PyExc_OverflowError,                      \
                    (is_unsigned && unlikely(value < zero)) ?             \
                    "can't convert negative value to " #target_type :     \
                    "value too large to convert to " #target_type);       \
                return (target_type) -1;                                  \
            }                                                             \
        }                                                                 \
        return (target_type) value;                                       \
    }

#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
  #include "longintrepr.h"
 #endif
#endif
static CYTHON_INLINE Py_intptr_t __Pyx_PyInt_As_Py_intptr_t(PyObject *x) {
    const Py_intptr_t neg_one = (Py_intptr_t) -1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(Py_intptr_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(Py_intptr_t, long, PyInt_AS_LONG)
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to Py_intptr_t");
                return (Py_intptr_t) -1;
            }
            return (Py_intptr_t) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
            if (sizeof(digit) <= sizeof(Py_intptr_t)) {
                switch (Py_SIZE(x)) {
                    case  0: return 0;
                    case  1: return (Py_intptr_t) ((PyLongObject*)x)->ob_digit[0];
                }
            }
 #endif
#endif
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to Py_intptr_t");
                return (Py_intptr_t) -1;
            }
            if (sizeof(Py_intptr_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT(Py_intptr_t, unsigned long, PyLong_AsUnsignedLong)
            } else if (sizeof(Py_intptr_t) <= sizeof(unsigned long long)) {
                __PYX_VERIFY_RETURN_INT(Py_intptr_t, unsigned long long, PyLong_AsUnsignedLongLong)
            }
        } else {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
            if (sizeof(digit) <= sizeof(Py_intptr_t)) {
                switch (Py_SIZE(x)) {
                    case  0: return 0;
                    case  1: return +(Py_intptr_t) ((PyLongObject*)x)->ob_digit[0];
                    case -1: return -(Py_intptr_t) ((PyLongObject*)x)->ob_digit[0];
                }
            }
 #endif
#endif
            if (sizeof(Py_intptr_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT(Py_intptr_t, long, PyLong_AsLong)
            } else if (sizeof(Py_intptr_t) <= sizeof(long long)) {
                __PYX_VERIFY_RETURN_INT(Py_intptr_t, long long, PyLong_AsLongLong)
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            Py_intptr_t val;
            PyObject *v = __Pyx_PyNumber_Int(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (Py_intptr_t) -1;
        }
    } else {
        Py_intptr_t val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (Py_intptr_t) -1;
        val = __Pyx_PyInt_As_Py_intptr_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
    const long neg_one = (long) -1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(long) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(long) <= sizeof(unsigned long long)) {
            return PyLong_FromUnsignedLongLong((unsigned long long) value);
        }
    } else {
        if (sizeof(long) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(long long)) {
            return PyLong_FromLongLong((long long) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(long),
                                     little, !is_unsigned);
    }
}

#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
      return ::std::complex< float >(x, y);
    }
  #else
    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
      return x + y*(__pyx_t_float_complex)_Complex_I;
    }
  #endif
#else
    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
      __pyx_t_float_complex z;
      z.real = x;
      z.imag = y;
      return z;
    }
#endif

#if CYTHON_CCOMPLEX
#else
    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
       return (a.real == b.real) && (a.imag == b.imag);
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        z.real = a.real + b.real;
        z.imag = a.imag + b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        z.real = a.real - b.real;
        z.imag = a.imag - b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        z.real = a.real * b.real - a.imag * b.imag;
        z.imag = a.real * b.imag + a.imag * b.real;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        float denom = b.real * b.real + b.imag * b.imag;
        z.real = (a.real * b.real + a.imag * b.imag) / denom;
        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex a) {
        __pyx_t_float_complex z;
        z.real = -a.real;
        z.imag = -a.imag;
        return z;
    }
    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex a) {
       return (a.real == 0) && (a.imag == 0);
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex a) {
        __pyx_t_float_complex z;
        z.real =  a.real;
        z.imag = -a.imag;
        return z;
    }
    #if 1
        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex z) {
          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
            return sqrtf(z.real*z.real + z.imag*z.imag);
          #else
            return hypotf(z.real, z.imag);
          #endif
        }
        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
            __pyx_t_float_complex z;
            float r, lnr, theta, z_r, z_theta;
            if (b.imag == 0 && b.real == (int)b.real) {
                if (b.real < 0) {
                    float denom = a.real * a.real + a.imag * a.imag;
                    a.real = a.real / denom;
                    a.imag = -a.imag / denom;
                    b.real = -b.real;
                }
                switch ((int)b.real) {
                    case 0:
                        z.real = 1;
                        z.imag = 0;
                        return z;
                    case 1:
                        return a;
                    case 2:
                        z = __Pyx_c_prodf(a, a);
                        return __Pyx_c_prodf(a, a);
                    case 3:
                        z = __Pyx_c_prodf(a, a);
                        return __Pyx_c_prodf(z, a);
                    case 4:
                        z = __Pyx_c_prodf(a, a);
                        return __Pyx_c_prodf(z, z);
                }
            }
            if (a.imag == 0) {
                if (a.real == 0) {
                    return a;
                }
                r = a.real;
                theta = 0;
            } else {
                r = __Pyx_c_absf(a);
                theta = atan2f(a.imag, a.real);
            }
            lnr = logf(r);
            z_r = expf(lnr * b.real - theta * b.imag);
            z_theta = theta * b.real + lnr * b.imag;
            z.real = z_r * cosf(z_theta);
            z.imag = z_r * sinf(z_theta);
            return z;
        }
    #endif
#endif

#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
      return ::std::complex< double >(x, y);
    }
  #else
    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
      return x + y*(__pyx_t_double_complex)_Complex_I;
    }
  #endif
#else
    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
      __pyx_t_double_complex z;
      z.real = x;
      z.imag = y;
      return z;
    }
#endif

#if CYTHON_CCOMPLEX
#else
    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex a, __pyx_t_double_complex b) {
       return (a.real == b.real) && (a.imag == b.imag);
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        z.real = a.real + b.real;
        z.imag = a.imag + b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        z.real = a.real - b.real;
        z.imag = a.imag - b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        z.real = a.real * b.real - a.imag * b.imag;
        z.imag = a.real * b.imag + a.imag * b.real;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        double denom = b.real * b.real + b.imag * b.imag;
        z.real = (a.real * b.real + a.imag * b.imag) / denom;
        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex a) {
        __pyx_t_double_complex z;
        z.real = -a.real;
        z.imag = -a.imag;
        return z;
    }
    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex a) {
       return (a.real == 0) && (a.imag == 0);
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex a) {
        __pyx_t_double_complex z;
        z.real =  a.real;
        z.imag = -a.imag;
        return z;
    }
    #if 1
        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex z) {
          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
            return sqrt(z.real*z.real + z.imag*z.imag);
          #else
            return hypot(z.real, z.imag);
          #endif
        }
        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex a, __pyx_t_double_complex b) {
            __pyx_t_double_complex z;
            double r, lnr, theta, z_r, z_theta;
            if (b.imag == 0 && b.real == (int)b.real) {
                if (b.real < 0) {
                    double denom = a.real * a.real + a.imag * a.imag;
                    a.real = a.real / denom;
                    a.imag = -a.imag / denom;
                    b.real = -b.real;
                }
                switch ((int)b.real) {
                    case 0:
                        z.real = 1;
                        z.imag = 0;
                        return z;
                    case 1:
                        return a;
                    case 2:
                        z = __Pyx_c_prod(a, a);
                        return __Pyx_c_prod(a, a);
                    case 3:
                        z = __Pyx_c_prod(a, a);
                        return __Pyx_c_prod(z, a);
                    case 4:
                        z = __Pyx_c_prod(a, a);
                        return __Pyx_c_prod(z, z);
                }
            }
            if (a.imag == 0) {
                if (a.real == 0) {
                    return a;
                }
                r = a.real;
                theta = 0;
            } else {
                r = __Pyx_c_abs(a);
                theta = atan2(a.imag, a.real);
            }
            lnr = log(r);
            z_r = exp(lnr * b.real - theta * b.imag);
            z_theta = theta * b.real + lnr * b.imag;
            z.real = z_r * cos(z_theta);
            z.imag = z_r * sin(z_theta);
            return z;
        }
    #endif
#endif

static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
    const int neg_one = (int) -1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(int) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(int) <= sizeof(unsigned long long)) {
            return PyLong_FromUnsignedLongLong((unsigned long long) value);
        }
    } else {
        if (sizeof(int) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int) <= sizeof(long long)) {
            return PyLong_FromLongLong((long long) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(int),
                                     little, !is_unsigned);
    }
}

#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
  #include "longintrepr.h"
 #endif
#endif
static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
    const int neg_one = (int) -1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(int) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to int");
                return (int) -1;
            }
            return (int) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
            if (sizeof(digit) <= sizeof(int)) {
                switch (Py_SIZE(x)) {
                    case  0: return 0;
                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
                }
            }
 #endif
#endif
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to int");
                return (int) -1;
            }
            if (sizeof(int) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
            } else if (sizeof(int) <= sizeof(unsigned long long)) {
                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
            }
        } else {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
            if (sizeof(digit) <= sizeof(int)) {
                switch (Py_SIZE(x)) {
                    case  0: return 0;
                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
                }
            }
 #endif
#endif
            if (sizeof(int) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
            } else if (sizeof(int) <= sizeof(long long)) {
                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            int val;
            PyObject *v = __Pyx_PyNumber_Int(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (int) -1;
        }
    } else {
        int val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (int) -1;
        val = __Pyx_PyInt_As_int(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
  #include "longintrepr.h"
 #endif
#endif
static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
    const long neg_one = (long) -1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(long) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to long");
                return (long) -1;
            }
            return (long) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
            if (sizeof(digit) <= sizeof(long)) {
                switch (Py_SIZE(x)) {
                    case  0: return 0;
                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
                }
            }
 #endif
#endif
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to long");
                return (long) -1;
            }
            if (sizeof(long) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
            } else if (sizeof(long) <= sizeof(unsigned long long)) {
                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
            }
        } else {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
            if (sizeof(digit) <= sizeof(long)) {
                switch (Py_SIZE(x)) {
                    case  0: return 0;
                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
                }
            }
 #endif
#endif
            if (sizeof(long) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
            } else if (sizeof(long) <= sizeof(long long)) {
                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            long val;
            PyObject *v = __Pyx_PyNumber_Int(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (long) -1;
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (long) -1;
        val = __Pyx_PyInt_As_long(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static int __Pyx_check_binary_version(void) {
    char ctversion[4], rtversion[4];
    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
        char message[200];
        PyOS_snprintf(message, sizeof(message),
                      "compiletime version %s of module '%.100s' "
                      "does not match runtime version %s",
                      ctversion, __Pyx_MODULE_NAME, rtversion);
        #if PY_VERSION_HEX < 0x02050000
        return PyErr_Warn(NULL, message);
        #else
        return PyErr_WarnEx(NULL, message, 1);
        #endif
    }
    return 0;
}

#ifndef __PYX_HAVE_RT_ImportModule
#define __PYX_HAVE_RT_ImportModule
static PyObject *__Pyx_ImportModule(const char *name) {
    PyObject *py_name = 0;
    PyObject *py_module = 0;
    py_name = __Pyx_PyIdentifier_FromString(name);
    if (!py_name)
        goto bad;
    py_module = PyImport_Import(py_name);
    Py_DECREF(py_name);
    return py_module;
bad:
    Py_XDECREF(py_name);
    return 0;
}
#endif

#ifndef __PYX_HAVE_RT_ImportType
#define __PYX_HAVE_RT_ImportType
static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
    size_t size, int strict)
{
    PyObject *py_module = 0;
    PyObject *result = 0;
    PyObject *py_name = 0;
    char warning[200];
    Py_ssize_t basicsize;
#ifdef Py_LIMITED_API
    PyObject *py_basicsize;
#endif
    py_module = __Pyx_ImportModule(module_name);
    if (!py_module)
        goto bad;
    py_name = __Pyx_PyIdentifier_FromString(class_name);
    if (!py_name)
        goto bad;
    result = PyObject_GetAttr(py_module, py_name);
    Py_DECREF(py_name);
    py_name = 0;
    Py_DECREF(py_module);
    py_module = 0;
    if (!result)
        goto bad;
    if (!PyType_Check(result)) {
        PyErr_Format(PyExc_TypeError,
            "%.200s.%.200s is not a type object",
            module_name, class_name);
        goto bad;
    }
#ifndef Py_LIMITED_API
    basicsize = ((PyTypeObject *)result)->tp_basicsize;
#else
    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
    if (!py_basicsize)
        goto bad;
    basicsize = PyLong_AsSsize_t(py_basicsize);
    Py_DECREF(py_basicsize);
    py_basicsize = 0;
    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
        goto bad;
#endif
    if (!strict && (size_t)basicsize > size) {
        PyOS_snprintf(warning, sizeof(warning),
            "%s.%s size changed, may indicate binary incompatibility",
            module_name, class_name);
        #if PY_VERSION_HEX < 0x02050000
        if (PyErr_Warn(NULL, warning) < 0) goto bad;
        #else
        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
        #endif
    }
    else if ((size_t)basicsize != size) {
        PyErr_Format(PyExc_ValueError,
            "%.200s.%.200s has the wrong size, try recompiling",
            module_name, class_name);
        goto bad;
    }
    return (PyTypeObject *)result;
bad:
    Py_XDECREF(py_module);
    Py_XDECREF(result);
    return NULL;
}
#endif

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

#include "compile.h"
#include "frameobject.h"
#include "traceback.h"
static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
            const char *funcname, int c_line,
            int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(filename);
    #else
    py_srcfile = PyUnicode_FromString(filename);
    #endif
    if (!py_srcfile) goto bad;
    if (c_line) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #endif
    }
    else {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromString(funcname);
        #else
        py_funcname = PyUnicode_FromString(funcname);
        #endif
    }
    if (!py_funcname) goto bad;
    py_code = __Pyx_PyCode_New(
        0,            /*int argcount,*/
        0,            /*int kwonlyargcount,*/
        0,            /*int nlocals,*/
        0,            /*int stacksize,*/
        0,            /*int flags,*/
        __pyx_empty_bytes, /*PyObject *code,*/
        __pyx_empty_tuple, /*PyObject *consts,*/
        __pyx_empty_tuple, /*PyObject *names,*/
        __pyx_empty_tuple, /*PyObject *varnames,*/
        __pyx_empty_tuple, /*PyObject *freevars,*/
        __pyx_empty_tuple, /*PyObject *cellvars,*/
        py_srcfile,   /*PyObject *filename,*/
        py_funcname,  /*PyObject *name,*/
        py_line,      /*int firstlineno,*/
        __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;
    PyObject *py_globals = 0;
    PyFrameObject *py_frame = 0;
    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
    if (!py_code) {
        py_code = __Pyx_CreateCodeObjectForTraceback(
            funcname, c_line, py_line, filename);
        if (!py_code) goto bad;
        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
    }
    py_globals = PyModule_GetDict(__pyx_m);
    if (!py_globals) goto bad;
    py_frame = PyFrame_New(
        PyThreadState_GET(), /*PyThreadState *tstate,*/
        py_code,             /*PyCodeObject *code,*/
        py_globals,          /*PyObject *globals,*/
        0                    /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    py_frame->f_lineno = py_line;
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

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

static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
}
static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
    Py_ssize_t ignore;
    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
}
static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
    if (
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
            __Pyx_sys_getdefaultencoding_not_ascii &&
#endif
            PyUnicode_Check(o)) {
#if PY_VERSION_HEX < 0x03030000
        char* defenc_c;
        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
        if (!defenc) return NULL;
        defenc_c = PyBytes_AS_STRING(defenc);
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
        {
            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
            char* c;
            for (c = defenc_c; c < end; c++) {
                if ((unsigned char) (*c) >= 128) {
                    PyUnicode_AsASCIIString(o);
                    return NULL;
                }
            }
        }
#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
        *length = PyBytes_GET_SIZE(defenc);
        return defenc_c;
#else /* PY_VERSION_HEX < 0x03030000 */
        if (PyUnicode_READY(o) == -1) return NULL;
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
        if (PyUnicode_IS_ASCII(o)) {
            *length = PyUnicode_GET_LENGTH(o);
            return PyUnicode_AsUTF8(o);
        } else {
            PyUnicode_AsASCIIString(o);
            return NULL;
        }
#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
        return PyUnicode_AsUTF8AndSize(o, length);
#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
#endif /* PY_VERSION_HEX < 0x03030000 */
    } else
#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
#if !CYTHON_COMPILING_IN_PYPY
#if PY_VERSION_HEX >= 0x02060000
    if (PyByteArray_Check(o)) {
        *length = PyByteArray_GET_SIZE(o);
        return PyByteArray_AS_STRING(o);
    } else
#endif
#endif
    {
        char* result;
        int r = PyBytes_AsStringAndSize(o, &result, length);
        if (unlikely(r < 0)) {
            return NULL;
        } else {
            return result;
        }
    }
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
   int is_true = x == Py_True;
   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
   else return PyObject_IsTrue(x);
}
static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
  PyNumberMethods *m;
  const char *name = NULL;
  PyObject *res = NULL;
#if PY_MAJOR_VERSION < 3
  if (PyInt_Check(x) || PyLong_Check(x))
#else
  if (PyLong_Check(x))
#endif
    return Py_INCREF(x), x;
  m = Py_TYPE(x)->tp_as_number;
#if PY_MAJOR_VERSION < 3
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Int(x);
  }
  else if (m && m->nb_long) {
    name = "long";
    res = PyNumber_Long(x);
  }
#else
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Long(x);
  }
#endif
  if (res) {
#if PY_MAJOR_VERSION < 3
    if (!PyInt_Check(res) && !PyLong_Check(res)) {
#else
    if (!PyLong_Check(res)) {
#endif
      PyErr_Format(PyExc_TypeError,
                   "__%.4s__ returned non-%.4s (type %.200s)",
                   name, name, Py_TYPE(res)->tp_name);
      Py_DECREF(res);
      return NULL;
    }
  }
  else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_TypeError,
                    "an integer is required");
  }
  return res;
}
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
 #if CYTHON_USE_PYLONG_INTERNALS
  #include "longintrepr.h"
 #endif
#endif
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)))
      return PyInt_AS_LONG(b);
#endif
  if (likely(PyLong_CheckExact(b))) {
    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
     #if CYTHON_USE_PYLONG_INTERNALS
       switch (Py_SIZE(b)) {
       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
       case  0: return 0;
       case  1: return ((PyLongObject*)b)->ob_digit[0];
       }
     #endif
    #endif
  #if PY_VERSION_HEX < 0x02060000
    return PyInt_AsSsize_t(b);
  #else
    return PyLong_AsSsize_t(b);
  #endif
  }
  x = PyNumber_Index(b);
  if (!x) return -1;
  ival = PyInt_AsSsize_t(x);
  Py_DECREF(x);
  return ival;
}
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
#if PY_VERSION_HEX < 0x02050000
   if (ival <= LONG_MAX)
       return PyInt_FromLong((long)ival);
   else {
       unsigned char *bytes = (unsigned char *) &ival;
       int one = 1; int little = (int)*(unsigned char*)&one;
       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
   }
#else
   return PyInt_FromSize_t(ival);
#endif
}


#endif /* Py_PYTHON_H */
