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scikit-learn/sklearn/tree/_tree.c

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/* Generated by Cython 0.22.1 */
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#define CYTHON_RESTRICT
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#define __PYX_NAN() ((float) NAN)
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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
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float value;
memset(&value, 0xFF, sizeof(value));
return value;
}
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#define __Pyx_void_to_None(void_result) (void_result, Py_INCREF(Py_None), Py_None)
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template<typename T>
void __Pyx_call_destructor(T* x) {
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template<typename T>
class __Pyx_FakeReference {
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__Pyx_FakeReference() : ptr(NULL) { }
__Pyx_FakeReference(T& ref) : ptr(&ref) { }
T *operator->() { return ptr; }
operator T&() { return *ptr; }
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T *ptr;
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#define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y)
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#define __PYX_EXTERN_C extern "C"
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#define __PYX_EXTERN_C extern
#endif
#endif
#if defined(WIN32) || defined(MS_WINDOWS)
#define _USE_MATH_DEFINES
#endif
#include <math.h>
#define __PYX_HAVE__sklearn__tree___tree
#define __PYX_HAVE_API__sklearn__tree___tree
#include "string.h"
#include "stdio.h"
#include "stdlib.h"
#include "numpy/arrayobject.h"
#include "numpy/ufuncobject.h"
#include "pythread.h"
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */
#ifdef PYREX_WITHOUT_ASSERTIONS
#define CYTHON_WITHOUT_ASSERTIONS
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#ifndef CYTHON_UNUSED
# if defined(__GNUC__)
# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
# define CYTHON_UNUSED __attribute__ ((__unused__))
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# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
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#ifndef CYTHON_NCP_UNUSED
# if CYTHON_COMPILING_IN_CPYTHON
# define CYTHON_NCP_UNUSED
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# define CYTHON_NCP_UNUSED CYTHON_UNUSED
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typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;
#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
#define __PYX_DEFAULT_STRING_ENCODING ""
#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#define __Pyx_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);
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#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
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#define __Pyx_PyObject_AsSString(s) ((signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s)
#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s)
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#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s)
#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
#if PY_MAJOR_VERSION < 3
static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
{
const Py_UNICODE *u_end = u;
while (*u_end++) ;
return (size_t)(u_end - u - 1);
}
#else
#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
#endif
#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode
#define __Pyx_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*) "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[] = {
"sklearn/tree/_tree.pyx",
"sklearn/tree/_tree.pxd",
"__init__.pxd",
"type.pxd",
"sklearn/tree/_criterion.pxd",
"sklearn/tree/_splitter.pxd",
"bool.pxd",
"complex.pxd",
"sklearn/tree/_utils.pxd",
};
#define IS_UNSIGNED(type) (((type) -1) > 0)
struct __Pyx_StructField_;
#define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
typedef struct {
const char* name;
struct __Pyx_StructField_* fields;
size_t size;
size_t arraysize[8];
int ndim;
char typegroup;
char is_unsigned;
int flags;
} __Pyx_TypeInfo;
typedef struct __Pyx_StructField_ {
__Pyx_TypeInfo* type;
const char* name;
size_t offset;
} __Pyx_StructField;
typedef struct {
__Pyx_StructField* field;
size_t parent_offset;
} __Pyx_BufFmt_StackElem;
typedef struct {
__Pyx_StructField root;
__Pyx_BufFmt_StackElem* head;
size_t fmt_offset;
size_t new_count, enc_count;
size_t struct_alignment;
int is_complex;
char enc_type;
char new_packmode;
char enc_packmode;
char is_valid_array;
} __Pyx_BufFmt_Context;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":726
* # 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":727
*
* ctypedef npy_int8 int8_t
* ctypedef npy_int16 int16_t # <<<<<<<<<<<<<<
* ctypedef npy_int32 int32_t
* ctypedef npy_int64 int64_t
*/
typedef npy_int16 __pyx_t_5numpy_int16_t;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":728
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":729
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":733
* #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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":734
*
* ctypedef npy_uint8 uint8_t
* ctypedef npy_uint16 uint16_t # <<<<<<<<<<<<<<
* ctypedef npy_uint32 uint32_t
* ctypedef npy_uint64 uint64_t
*/
typedef npy_uint16 __pyx_t_5numpy_uint16_t;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":735
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":736
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":740
* #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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":741
*
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":750
* # 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":751
* # 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":752
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":754
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":755
*
* ctypedef npy_ulong uint_t
* ctypedef npy_ulonglong ulong_t # <<<<<<<<<<<<<<
* ctypedef npy_ulonglong ulonglong_t
*
*/
typedef npy_ulonglong __pyx_t_5numpy_ulong_t;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":756
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":758
* ctypedef npy_ulonglong ulonglong_t
*
* ctypedef npy_intp intp_t # <<<<<<<<<<<<<<
* ctypedef npy_uintp uintp_t
*
*/
typedef npy_intp __pyx_t_5numpy_intp_t;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":759
*
* ctypedef npy_intp intp_t
* ctypedef npy_uintp uintp_t # <<<<<<<<<<<<<<
*
* ctypedef npy_double float_t
*/
typedef npy_uintp __pyx_t_5numpy_uintp_t;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":761
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":762
*
* ctypedef npy_double float_t
* ctypedef npy_double double_t # <<<<<<<<<<<<<<
* ctypedef npy_longdouble longdouble_t
*
*/
typedef npy_double __pyx_t_5numpy_double_t;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":763
* 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;
/* "sklearn/tree/_criterion.pxd":15
* cimport numpy as np
*
* ctypedef np.npy_float32 DTYPE_t # Type of X # <<<<<<<<<<<<<<
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
*/
typedef npy_float32 __pyx_t_7sklearn_4tree_10_criterion_DTYPE_t;
/* "sklearn/tree/_criterion.pxd":16
*
* ctypedef np.npy_float32 DTYPE_t # Type of X
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight # <<<<<<<<<<<<<<
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
*/
typedef npy_float64 __pyx_t_7sklearn_4tree_10_criterion_DOUBLE_t;
/* "sklearn/tree/_criterion.pxd":17
* ctypedef np.npy_float32 DTYPE_t # Type of X
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters # <<<<<<<<<<<<<<
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*/
typedef npy_intp __pyx_t_7sklearn_4tree_10_criterion_SIZE_t;
/* "sklearn/tree/_criterion.pxd":18
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer # <<<<<<<<<<<<<<
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*
*/
typedef npy_int32 __pyx_t_7sklearn_4tree_10_criterion_INT32_t;
/* "sklearn/tree/_criterion.pxd":19
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer # <<<<<<<<<<<<<<
*
* cdef class Criterion:
*/
typedef npy_uint32 __pyx_t_7sklearn_4tree_10_criterion_UINT32_t;
/* "sklearn/tree/_splitter.pxd":17
* from ._criterion cimport Criterion
*
* ctypedef np.npy_float32 DTYPE_t # Type of X # <<<<<<<<<<<<<<
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
*/
typedef npy_float32 __pyx_t_7sklearn_4tree_9_splitter_DTYPE_t;
/* "sklearn/tree/_splitter.pxd":18
*
* ctypedef np.npy_float32 DTYPE_t # Type of X
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight # <<<<<<<<<<<<<<
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
*/
typedef npy_float64 __pyx_t_7sklearn_4tree_9_splitter_DOUBLE_t;
/* "sklearn/tree/_splitter.pxd":19
* ctypedef np.npy_float32 DTYPE_t # Type of X
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters # <<<<<<<<<<<<<<
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*/
typedef npy_intp __pyx_t_7sklearn_4tree_9_splitter_SIZE_t;
/* "sklearn/tree/_splitter.pxd":20
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer # <<<<<<<<<<<<<<
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*
*/
typedef npy_int32 __pyx_t_7sklearn_4tree_9_splitter_INT32_t;
/* "sklearn/tree/_splitter.pxd":21
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer # <<<<<<<<<<<<<<
*
* cdef struct SplitRecord:
*/
typedef npy_uint32 __pyx_t_7sklearn_4tree_9_splitter_UINT32_t;
/* "sklearn/tree/_utils.pxd":13
* cimport numpy as np
*
* ctypedef np.npy_float32 DTYPE_t # Type of X # <<<<<<<<<<<<<<
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
*/
typedef npy_float32 __pyx_t_7sklearn_4tree_6_utils_DTYPE_t;
/* "sklearn/tree/_utils.pxd":14
*
* ctypedef np.npy_float32 DTYPE_t # Type of X
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight # <<<<<<<<<<<<<<
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
*/
typedef npy_float64 __pyx_t_7sklearn_4tree_6_utils_DOUBLE_t;
/* "sklearn/tree/_utils.pxd":15
* ctypedef np.npy_float32 DTYPE_t # Type of X
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters # <<<<<<<<<<<<<<
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*/
typedef npy_intp __pyx_t_7sklearn_4tree_6_utils_SIZE_t;
/* "sklearn/tree/_utils.pxd":16
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer # <<<<<<<<<<<<<<
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*
*/
typedef npy_int32 __pyx_t_7sklearn_4tree_6_utils_INT32_t;
/* "sklearn/tree/_utils.pxd":17
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer # <<<<<<<<<<<<<<
*
* cdef enum:
*/
typedef npy_uint32 __pyx_t_7sklearn_4tree_6_utils_UINT32_t;
/* "sklearn/tree/_tree.pxd":15
* cimport numpy as np
*
* ctypedef np.npy_float32 DTYPE_t # Type of X # <<<<<<<<<<<<<<
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
*/
typedef npy_float32 __pyx_t_7sklearn_4tree_5_tree_DTYPE_t;
/* "sklearn/tree/_tree.pxd":16
*
* ctypedef np.npy_float32 DTYPE_t # Type of X
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight # <<<<<<<<<<<<<<
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
*/
typedef npy_float64 __pyx_t_7sklearn_4tree_5_tree_DOUBLE_t;
/* "sklearn/tree/_tree.pxd":17
* ctypedef np.npy_float32 DTYPE_t # Type of X
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters # <<<<<<<<<<<<<<
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*/
typedef npy_intp __pyx_t_7sklearn_4tree_5_tree_SIZE_t;
/* "sklearn/tree/_tree.pxd":18
* ctypedef np.npy_float64 DOUBLE_t # Type of y, sample_weight
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer # <<<<<<<<<<<<<<
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*
*/
typedef npy_int32 __pyx_t_7sklearn_4tree_5_tree_INT32_t;
/* "sklearn/tree/_tree.pxd":19
* ctypedef np.npy_intp SIZE_t # Type for indices and counters
* ctypedef np.npy_int32 INT32_t # Signed 32 bit integer
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer # <<<<<<<<<<<<<<
*
* from ._splitter cimport Splitter
*/
typedef npy_uint32 __pyx_t_7sklearn_4tree_5_tree_UINT32_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_7sklearn_4tree_10_criterion_Criterion;
struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter;
struct __pyx_obj_7sklearn_4tree_6_utils_Stack;
struct __pyx_obj_7sklearn_4tree_6_utils_PriorityHeap;
struct __pyx_obj_7sklearn_4tree_5_tree_Tree;
struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder;
struct __pyx_obj_7sklearn_4tree_5_tree_DepthFirstTreeBuilder;
struct __pyx_obj_7sklearn_4tree_5_tree_BestFirstTreeBuilder;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":765
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":766
*
* ctypedef npy_cfloat cfloat_t
* ctypedef npy_cdouble cdouble_t # <<<<<<<<<<<<<<
* ctypedef npy_clongdouble clongdouble_t
*
*/
typedef npy_cdouble __pyx_t_5numpy_cdouble_t;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":767
* 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;
/* "../../../anaconda/lib/python3.4/site-packages/Cython/Includes/numpy/__init__.pxd":769
* ctypedef npy_clongdouble clongdouble_t
*
* ctypedef npy_cdouble complex_t # <<<<<<<<<<<<<<
*
* cdef inline object PyArray_MultiIterNew1(a):
*/
typedef npy_cdouble __pyx_t_5numpy_complex_t;
struct __pyx_t_7sklearn_4tree_9_splitter_SplitRecord;
struct __pyx_opt_args_7sklearn_4tree_9_splitter_8Splitter_init;
/* "sklearn/tree/_splitter.pxd":23
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*
* cdef struct SplitRecord: # <<<<<<<<<<<<<<
* # Data to track sample split
* SIZE_t feature # Which feature to split on.
*/
struct __pyx_t_7sklearn_4tree_9_splitter_SplitRecord {
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t feature;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t pos;
double threshold;
double improvement;
double impurity_left;
double impurity_right;
};
/* "sklearn/tree/_splitter.pxd":84
*
* # Methods
* cdef void init(self, object X, np.ndarray y, # <<<<<<<<<<<<<<
* DOUBLE_t* sample_weight,
* np.ndarray X_idx_sorted=*) except *
*/
struct __pyx_opt_args_7sklearn_4tree_9_splitter_8Splitter_init {
int __pyx_n;
PyArrayObject *X_idx_sorted;
};
struct __pyx_t_7sklearn_4tree_6_utils_StackRecord;
struct __pyx_t_7sklearn_4tree_6_utils_PriorityHeapRecord;
/* "sklearn/tree/_utils.pxd":19
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*
* cdef enum: # <<<<<<<<<<<<<<
* # Max value for our rand_r replacement (near the bottom).
* # We don't use RAND_MAX because it's different across platforms and
*/
enum {
__pyx_e_7sklearn_4tree_6_utils_RAND_R_MAX = 0x7FFFFFFF
};
/* "sklearn/tree/_utils.pxd":58
*
* # A record on the stack for depth-first tree growing
* cdef struct StackRecord: # <<<<<<<<<<<<<<
* SIZE_t start
* SIZE_t end
*/
struct __pyx_t_7sklearn_4tree_6_utils_StackRecord {
__pyx_t_7sklearn_4tree_6_utils_SIZE_t start;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t end;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t depth;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t parent;
int is_left;
double impurity;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t n_constant_features;
};
/* "sklearn/tree/_utils.pxd":84
*
* # A record on the frontier for best-first tree growing
* cdef struct PriorityHeapRecord: # <<<<<<<<<<<<<<
* SIZE_t node_id
* SIZE_t start
*/
struct __pyx_t_7sklearn_4tree_6_utils_PriorityHeapRecord {
__pyx_t_7sklearn_4tree_6_utils_SIZE_t node_id;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t start;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t end;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t pos;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t depth;
int is_leaf;
double impurity;
double impurity_left;
double impurity_right;
double improvement;
};
struct __pyx_t_7sklearn_4tree_5_tree_Node;
struct __pyx_opt_args_7sklearn_4tree_5_tree_4Tree__resize_c;
struct __pyx_opt_args_7sklearn_4tree_5_tree_4Tree_compute_feature_importances;
struct __pyx_opt_args_7sklearn_4tree_5_tree_11TreeBuilder_build;
struct __pyx_opt_args_7sklearn_4tree_5_tree_21DepthFirstTreeBuilder_build;
struct __pyx_opt_args_7sklearn_4tree_5_tree_20BestFirstTreeBuilder_build;
/* "sklearn/tree/_tree.pxd":24
* from ._splitter cimport SplitRecord
*
* cdef struct Node: # <<<<<<<<<<<<<<
* # Base storage structure for the nodes in a Tree object
*
*/
struct __pyx_t_7sklearn_4tree_5_tree_Node {
__pyx_t_7sklearn_4tree_5_tree_SIZE_t left_child;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t right_child;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t feature;
__pyx_t_7sklearn_4tree_5_tree_DOUBLE_t threshold;
__pyx_t_7sklearn_4tree_5_tree_DOUBLE_t impurity;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t n_node_samples;
__pyx_t_7sklearn_4tree_5_tree_DOUBLE_t weighted_n_node_samples;
};
/* "sklearn/tree/_tree.pxd":62
* double weighted_n_samples) nogil
* cdef void _resize(self, SIZE_t capacity) except *
* cdef int _resize_c(self, SIZE_t capacity=*) nogil # <<<<<<<<<<<<<<
*
* cdef np.ndarray _get_value_ndarray(self)
*/
struct __pyx_opt_args_7sklearn_4tree_5_tree_4Tree__resize_c {
int __pyx_n;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t capacity;
};
/* "sklearn/tree/_tree.pxd":77
* cdef object _decision_path_sparse_csr(self, object X)
*
* cpdef compute_feature_importances(self, normalize=*) # <<<<<<<<<<<<<<
*
*
*/
struct __pyx_opt_args_7sklearn_4tree_5_tree_4Tree_compute_feature_importances {
int __pyx_n;
PyObject *normalize;
};
/* "sklearn/tree/_tree.pxd":99
* cdef SIZE_t max_depth # Maximal tree depth
*
* cpdef build(self, Tree tree, object X, np.ndarray y, # <<<<<<<<<<<<<<
* np.ndarray sample_weight=*,
* np.ndarray X_idx_sorted=*)
*/
struct __pyx_opt_args_7sklearn_4tree_5_tree_11TreeBuilder_build {
int __pyx_n;
PyArrayObject *sample_weight;
PyArrayObject *X_idx_sorted;
};
/* "sklearn/tree/_tree.pyx":141
* self.max_depth = max_depth
*
* cpdef build(self, Tree tree, object X, np.ndarray y, # <<<<<<<<<<<<<<
* np.ndarray sample_weight=None,
* np.ndarray X_idx_sorted=None):
*/
struct __pyx_opt_args_7sklearn_4tree_5_tree_21DepthFirstTreeBuilder_build {
int __pyx_n;
PyArrayObject *sample_weight;
PyArrayObject *X_idx_sorted;
};
/* "sklearn/tree/_tree.pyx":299
* self.max_leaf_nodes = max_leaf_nodes
*
* cpdef build(self, Tree tree, object X, np.ndarray y, # <<<<<<<<<<<<<<
* np.ndarray sample_weight=None,
* np.ndarray X_idx_sorted=None):
*/
struct __pyx_opt_args_7sklearn_4tree_5_tree_20BestFirstTreeBuilder_build {
int __pyx_n;
PyArrayObject *sample_weight;
PyArrayObject *X_idx_sorted;
};
/* "sklearn/tree/_criterion.pxd":21
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*
* cdef class Criterion: # <<<<<<<<<<<<<<
* # The criterion computes the impurity of a node and the reduction of
* # impurity of a split on that node. It also computes the output statistics
*/
struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion {
PyObject_HEAD
struct __pyx_vtabstruct_7sklearn_4tree_10_criterion_Criterion *__pyx_vtab;
__pyx_t_7sklearn_4tree_10_criterion_DOUBLE_t *y;
__pyx_t_7sklearn_4tree_10_criterion_SIZE_t y_stride;
__pyx_t_7sklearn_4tree_10_criterion_DOUBLE_t *sample_weight;
__pyx_t_7sklearn_4tree_10_criterion_SIZE_t *samples;
__pyx_t_7sklearn_4tree_10_criterion_SIZE_t start;
__pyx_t_7sklearn_4tree_10_criterion_SIZE_t pos;
__pyx_t_7sklearn_4tree_10_criterion_SIZE_t end;
__pyx_t_7sklearn_4tree_10_criterion_SIZE_t n_outputs;
__pyx_t_7sklearn_4tree_10_criterion_SIZE_t n_node_samples;
double weighted_n_samples;
double weighted_n_node_samples;
double weighted_n_left;
double weighted_n_right;
double *sum_total;
double *sum_left;
double *sum_right;
};
/* "sklearn/tree/_splitter.pxd":34
* double impurity_right # Impurity of the right split.
*
* cdef class Splitter: # <<<<<<<<<<<<<<
* # The splitter searches in the input space for a feature and a threshold
* # to split the samples samples[start:end].
*/
struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter {
PyObject_HEAD
struct __pyx_vtabstruct_7sklearn_4tree_9_splitter_Splitter *__pyx_vtab;
struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *criterion;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t max_features;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t min_samples_leaf;
double min_weight_leaf;
PyObject *random_state;
__pyx_t_7sklearn_4tree_9_splitter_UINT32_t rand_r_state;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t *samples;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t n_samples;
double weighted_n_samples;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t *features;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t *constant_features;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t n_features;
__pyx_t_7sklearn_4tree_9_splitter_DTYPE_t *feature_values;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t start;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t end;
int presort;
__pyx_t_7sklearn_4tree_9_splitter_DOUBLE_t *y;
__pyx_t_7sklearn_4tree_9_splitter_SIZE_t y_stride;
__pyx_t_7sklearn_4tree_9_splitter_DOUBLE_t *sample_weight;
};
/* "sklearn/tree/_utils.pxd":67
* SIZE_t n_constant_features
*
* cdef class Stack: # <<<<<<<<<<<<<<
* cdef SIZE_t capacity
* cdef SIZE_t top
*/
struct __pyx_obj_7sklearn_4tree_6_utils_Stack {
PyObject_HEAD
struct __pyx_vtabstruct_7sklearn_4tree_6_utils_Stack *__pyx_vtab;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t capacity;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t top;
struct __pyx_t_7sklearn_4tree_6_utils_StackRecord *stack_;
};
/* "sklearn/tree/_utils.pxd":96
* double improvement
*
* cdef class PriorityHeap: # <<<<<<<<<<<<<<
* cdef SIZE_t capacity
* cdef SIZE_t heap_ptr
*/
struct __pyx_obj_7sklearn_4tree_6_utils_PriorityHeap {
PyObject_HEAD
struct __pyx_vtabstruct_7sklearn_4tree_6_utils_PriorityHeap *__pyx_vtab;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t capacity;
__pyx_t_7sklearn_4tree_6_utils_SIZE_t heap_ptr;
struct __pyx_t_7sklearn_4tree_6_utils_PriorityHeapRecord *heap_;
};
/* "sklearn/tree/_tree.pxd":36
*
*
* cdef class Tree: # <<<<<<<<<<<<<<
* # The Tree object is a binary tree structure constructed by the
* # TreeBuilder. The tree structure is used for predictions and
*/
struct __pyx_obj_7sklearn_4tree_5_tree_Tree {
PyObject_HEAD
struct __pyx_vtabstruct_7sklearn_4tree_5_tree_Tree *__pyx_vtab;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t n_features;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t *n_classes;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t n_outputs;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t max_n_classes;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t max_depth;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t node_count;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t capacity;
struct __pyx_t_7sklearn_4tree_5_tree_Node *nodes;
double *value;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t value_stride;
};
/* "sklearn/tree/_tree.pxd":84
* # =============================================================================
*
* cdef class TreeBuilder: # <<<<<<<<<<<<<<
* # The TreeBuilder recursively builds a Tree object from training samples,
* # using a Splitter object for splitting internal nodes and assigning
*/
struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder {
PyObject_HEAD
struct __pyx_vtabstruct_7sklearn_4tree_5_tree_TreeBuilder *__pyx_vtab;
struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *splitter;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t min_samples_split;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t min_samples_leaf;
double min_weight_leaf;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t max_depth;
};
/* "sklearn/tree/_tree.pyx":129
* # Depth first builder ---------------------------------------------------------
*
* cdef class DepthFirstTreeBuilder(TreeBuilder): # <<<<<<<<<<<<<<
* """Build a decision tree in depth-first fashion."""
*
*/
struct __pyx_obj_7sklearn_4tree_5_tree_DepthFirstTreeBuilder {
struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder __pyx_base;
};
/* "sklearn/tree/_tree.pyx":279
*
*
* cdef class BestFirstTreeBuilder(TreeBuilder): # <<<<<<<<<<<<<<
* """Build a decision tree in best-first fashion.
*
*/
struct __pyx_obj_7sklearn_4tree_5_tree_BestFirstTreeBuilder {
struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder __pyx_base;
__pyx_t_7sklearn_4tree_5_tree_SIZE_t max_leaf_nodes;
};
/* "sklearn/tree/_criterion.pxd":21
* ctypedef np.npy_uint32 UINT32_t # Unsigned 32 bit integer
*
* cdef class Criterion: # <<<<<<<<<<<<<<
* # The criterion computes the impurity of a node and the reduction of
* # impurity of a split on that node. It also computes the output statistics
*/
struct __pyx_vtabstruct_7sklearn_4tree_10_criterion_Criterion {
void (*init)(struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *, __pyx_t_7sklearn_4tree_10_criterion_DOUBLE_t *, __pyx_t_7sklearn_4tree_10_criterion_SIZE_t, __pyx_t_7sklearn_4tree_10_criterion_DOUBLE_t *, double, __pyx_t_7sklearn_4tree_10_criterion_SIZE_t *, __pyx_t_7sklearn_4tree_10_criterion_SIZE_t, __pyx_t_7sklearn_4tree_10_criterion_SIZE_t);
void (*reset)(struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *);
void (*reverse_reset)(struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *);
void (*update)(struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *, __pyx_t_7sklearn_4tree_10_criterion_SIZE_t);
double (*node_impurity)(struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *);
void (*children_impurity)(struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *, double *, double *);
void (*node_value)(struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *, double *);
double (*impurity_improvement)(struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *, double);
double (*proxy_impurity_improvement)(struct __pyx_obj_7sklearn_4tree_10_criterion_Criterion *);
};
static struct __pyx_vtabstruct_7sklearn_4tree_10_criterion_Criterion *__pyx_vtabptr_7sklearn_4tree_10_criterion_Criterion;
/* "sklearn/tree/_splitter.pxd":34
* double impurity_right # Impurity of the right split.
*
* cdef class Splitter: # <<<<<<<<<<<<<<
* # The splitter searches in the input space for a feature and a threshold
* # to split the samples samples[start:end].
*/
struct __pyx_vtabstruct_7sklearn_4tree_9_splitter_Splitter {
void (*init)(struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *, PyObject *, PyArrayObject *, __pyx_t_7sklearn_4tree_9_splitter_DOUBLE_t *, struct __pyx_opt_args_7sklearn_4tree_9_splitter_8Splitter_init *__pyx_optional_args);
void (*node_reset)(struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *, __pyx_t_7sklearn_4tree_9_splitter_SIZE_t, __pyx_t_7sklearn_4tree_9_splitter_SIZE_t, double *);
void (*node_split)(struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *, double, struct __pyx_t_7sklearn_4tree_9_splitter_SplitRecord *, __pyx_t_7sklearn_4tree_9_splitter_SIZE_t *);
void (*node_value)(struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *, double *);
double (*node_impurity)(struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *);
};
static struct __pyx_vtabstruct_7sklearn_4tree_9_splitter_Splitter *__pyx_vtabptr_7sklearn_4tree_9_splitter_Splitter;
/* "sklearn/tree/_utils.pxd":67
* SIZE_t n_constant_features
*
* cdef class Stack: # <<<<<<<<<<<<<<
* cdef SIZE_t capacity
* cdef SIZE_t top
*/
struct __pyx_vtabstruct_7sklearn_4tree_6_utils_Stack {
int (*is_empty)(struct __pyx_obj_7sklearn_4tree_6_utils_Stack *);
int (*push)(struct __pyx_obj_7sklearn_4tree_6_utils_Stack *, __pyx_t_7sklearn_4tree_6_utils_SIZE_t, __pyx_t_7sklearn_4tree_6_utils_SIZE_t, __pyx_t_7sklearn_4tree_6_utils_SIZE_t, __pyx_t_7sklearn_4tree_6_utils_SIZE_t, int, double, __pyx_t_7sklearn_4tree_6_utils_SIZE_t);
int (*pop)(struct __pyx_obj_7sklearn_4tree_6_utils_Stack *, struct __pyx_t_7sklearn_4tree_6_utils_StackRecord *);
};
static struct __pyx_vtabstruct_7sklearn_4tree_6_utils_Stack *__pyx_vtabptr_7sklearn_4tree_6_utils_Stack;
/* "sklearn/tree/_utils.pxd":96
* double improvement
*
* cdef class PriorityHeap: # <<<<<<<<<<<<<<
* cdef SIZE_t capacity
* cdef SIZE_t heap_ptr
*/
struct __pyx_vtabstruct_7sklearn_4tree_6_utils_PriorityHeap {
int (*is_empty)(struct __pyx_obj_7sklearn_4tree_6_utils_PriorityHeap *);
int (*push)(struct __pyx_obj_7sklearn_4tree_6_utils_PriorityHeap *, __pyx_t_7sklearn_4tree_6_utils_SIZE_t, __pyx_t_7sklearn_4tree_6_utils_SIZE_t, __pyx_t_7sklearn_4tree_6_utils_SIZE_t, __pyx_t_7sklearn_4tree_6_utils_SIZE_t, __pyx_t_7sklearn_4tree_6_utils_SIZE_t, int, double, double, double, double);
int (*pop)(struct __pyx_obj_7sklearn_4tree_6_utils_PriorityHeap *, struct __pyx_t_7sklearn_4tree_6_utils_PriorityHeapRecord *);
};
static struct __pyx_vtabstruct_7sklearn_4tree_6_utils_PriorityHeap *__pyx_vtabptr_7sklearn_4tree_6_utils_PriorityHeap;
/* "sklearn/tree/_tree.pyx":484
* # =============================================================================
*
* cdef class Tree: # <<<<<<<<<<<<<<
* """Array-based representation of a binary decision tree.
*
*/
struct __pyx_vtabstruct_7sklearn_4tree_5_tree_Tree {
__pyx_t_7sklearn_4tree_5_tree_SIZE_t (*_add_node)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, __pyx_t_7sklearn_4tree_5_tree_SIZE_t, int, int, __pyx_t_7sklearn_4tree_5_tree_SIZE_t, double, double, __pyx_t_7sklearn_4tree_5_tree_SIZE_t, double);
void (*_resize)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, __pyx_t_7sklearn_4tree_5_tree_SIZE_t);
int (*_resize_c)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, struct __pyx_opt_args_7sklearn_4tree_5_tree_4Tree__resize_c *__pyx_optional_args);
PyArrayObject *(*_get_value_ndarray)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *);
PyArrayObject *(*_get_node_ndarray)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *);
PyArrayObject *(*predict)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *, int __pyx_skip_dispatch);
PyArrayObject *(*apply)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *, int __pyx_skip_dispatch);
PyArrayObject *(*_apply_dense)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *);
PyArrayObject *(*_apply_sparse_csr)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *);
PyObject *(*decision_path)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *, int __pyx_skip_dispatch);
PyObject *(*_decision_path_dense)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *);
PyObject *(*_decision_path_sparse_csr)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *);
PyObject *(*compute_feature_importances)(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, int __pyx_skip_dispatch, struct __pyx_opt_args_7sklearn_4tree_5_tree_4Tree_compute_feature_importances *__pyx_optional_args);
};
static struct __pyx_vtabstruct_7sklearn_4tree_5_tree_Tree *__pyx_vtabptr_7sklearn_4tree_5_tree_Tree;
static PyArrayObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__apply_dense(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *);
static PyArrayObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__apply_sparse_csr(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *);
static PyObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__decision_path_dense(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *);
static PyObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__decision_path_sparse_csr(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *);
/* "sklearn/tree/_tree.pyx":89
* # =============================================================================
*
* cdef class TreeBuilder: # <<<<<<<<<<<<<<
* """Interface for different tree building strategies."""
*
*/
struct __pyx_vtabstruct_7sklearn_4tree_5_tree_TreeBuilder {
PyObject *(*build)(struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder *, struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, PyObject *, PyArrayObject *, int __pyx_skip_dispatch, struct __pyx_opt_args_7sklearn_4tree_5_tree_11TreeBuilder_build *__pyx_optional_args);
PyObject *(*_check_input)(struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder *, PyObject *, PyArrayObject *, PyArrayObject *);
};
static struct __pyx_vtabstruct_7sklearn_4tree_5_tree_TreeBuilder *__pyx_vtabptr_7sklearn_4tree_5_tree_TreeBuilder;
static PyObject *__pyx_f_7sklearn_4tree_5_tree_11TreeBuilder__check_input(struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder *, PyObject *, PyArrayObject *, PyArrayObject *);
/* "sklearn/tree/_tree.pyx":129
* # Depth first builder ---------------------------------------------------------
*
* cdef class DepthFirstTreeBuilder(TreeBuilder): # <<<<<<<<<<<<<<
* """Build a decision tree in depth-first fashion."""
*
*/
struct __pyx_vtabstruct_7sklearn_4tree_5_tree_DepthFirstTreeBuilder {
struct __pyx_vtabstruct_7sklearn_4tree_5_tree_TreeBuilder __pyx_base;
};
static struct __pyx_vtabstruct_7sklearn_4tree_5_tree_DepthFirstTreeBuilder *__pyx_vtabptr_7sklearn_4tree_5_tree_DepthFirstTreeBuilder;
/* "sklearn/tree/_tree.pyx":279
*
*
* cdef class BestFirstTreeBuilder(TreeBuilder): # <<<<<<<<<<<<<<
* """Build a decision tree in best-first fashion.
*
*/
struct __pyx_vtabstruct_7sklearn_4tree_5_tree_BestFirstTreeBuilder {
struct __pyx_vtabstruct_7sklearn_4tree_5_tree_TreeBuilder __pyx_base;
int (*_add_split_node)(struct __pyx_obj_7sklearn_4tree_5_tree_BestFirstTreeBuilder *, struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *, struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, __pyx_t_7sklearn_4tree_5_tree_SIZE_t, __pyx_t_7sklearn_4tree_5_tree_SIZE_t, double, int, int, struct __pyx_t_7sklearn_4tree_5_tree_Node *, __pyx_t_7sklearn_4tree_5_tree_SIZE_t, struct __pyx_t_7sklearn_4tree_6_utils_PriorityHeapRecord *);
};
static struct __pyx_vtabstruct_7sklearn_4tree_5_tree_BestFirstTreeBuilder *__pyx_vtabptr_7sklearn_4tree_5_tree_BestFirstTreeBuilder;
static CYTHON_INLINE int __pyx_f_7sklearn_4tree_5_tree_20BestFirstTreeBuilder__add_split_node(struct __pyx_obj_7sklearn_4tree_5_tree_BestFirstTreeBuilder *, struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *, struct __pyx_obj_7sklearn_4tree_5_tree_Tree *, __pyx_t_7sklearn_4tree_5_tree_SIZE_t, __pyx_t_7sklearn_4tree_5_tree_SIZE_t, double, int, int, struct __pyx_t_7sklearn_4tree_5_tree_Node *, __pyx_t_7sklearn_4tree_5_tree_SIZE_t, struct __pyx_t_7sklearn_4tree_6_utils_PriorityHeapRecord *);
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#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL)
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#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o,n,NULL)
static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) {
PyTypeObject* tp = Py_TYPE(obj);
if (likely(tp->tp_setattro))
return tp->tp_setattro(obj, attr_name, value);
#if PY_MAJOR_VERSION < 3
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#define __Pyx_PyObject_DelAttrStr(o,n) PyObject_DelAttr(o,n)
#define __Pyx_PyObject_SetAttrStr(o,n,v) PyObject_SetAttr(o,n,v)
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static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb);
static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb);
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);
static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
static CYTHON_INLINE int __Pyx_IterFinish(void);
static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected);
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, int wraparound);
static CYTHON_INLINE int __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj,
__Pyx_TypeInfo* dtype, int flags, int nd, int cast, __Pyx_BufFmt_StackElem* stack);
static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info);
#define __Pyx_BufPtrStrided1d(type, buf, i0, s0) (type)((char*)buf + i0 * s0)
static CYTHON_INLINE int __Pyx_PySequence_Contains(PyObject* item, PyObject* seq, int eq) {
int result = PySequence_Contains(seq, item);
return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
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#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
(__Pyx_fits_Py_ssize_t(i, type, is_signed) ? \
__Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) : \
(is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) : \
__Pyx_GetItemInt_Generic(o, to_py_func(i))))
#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
(__Pyx_fits_Py_ssize_t(i, type, is_signed) ? \
__Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) : \
(PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
int wraparound, int boundscheck);
#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
(__Pyx_fits_Py_ssize_t(i, type, is_signed) ? \
__Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) : \
(PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
int wraparound, int boundscheck);
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
int is_list, int wraparound, int boundscheck);
static void __Pyx_RaiseBufferFallbackError(void);
#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
PyObject *value;
value = PyDict_GetItemWithError(d, key);
if (unlikely(!value)) {
if (!PyErr_Occurred()) {
PyObject* args = PyTuple_Pack(1, key);
if (likely(args))
PyErr_SetObject(PyExc_KeyError, args);
Py_XDECREF(args);
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Py_INCREF(value);
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#define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key)
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static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
static int __Pyx_SetVtable(PyObject *dict, void *vtable);
static void* __Pyx_GetVtable(PyObject *dict);
static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);
typedef struct {
int code_line;
PyCodeObject* code_object;
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struct __Pyx_CodeObjectCache {
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__Pyx_CodeObjectCacheEntry* entries;
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static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
static PyCodeObject *__pyx_find_code_object(int code_line);
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
static void __Pyx_AddTraceback(const char *funcname, int c_line,
int py_line, const char *filename);
static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);
typedef struct {
Py_ssize_t shape, strides, suboffsets;
} __Pyx_Buf_DimInfo;
typedef struct {
size_t refcount;
Py_buffer pybuffer;
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typedef struct {
__Pyx_Buffer *rcbuffer;
char *data;
__Pyx_Buf_DimInfo diminfo[8];
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#if PY_MAJOR_VERSION < 3
static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags);
static void __Pyx_ReleaseBuffer(Py_buffer *view);
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#define __Pyx_GetBuffer PyObject_GetBuffer
#define __Pyx_ReleaseBuffer PyBuffer_Release
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static Py_ssize_t __Pyx_zeros[] = {0, 0, 0, 0, 0, 0, 0, 0};
static Py_ssize_t __Pyx_minusones[] = {-1, -1, -1, -1, -1, -1, -1, -1};
static CYTHON_INLINE Py_intptr_t __Pyx_PyInt_As_Py_intptr_t(PyObject *);
static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
static CYTHON_INLINE long __Pyx_pow_long(long, long); /* proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_Py_intptr_t(Py_intptr_t value);
#ifndef __PYX_FORCE_INIT_THREADS
#define __PYX_FORCE_INIT_THREADS 0
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static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_npy_int32(npy_int32 value);
static CYTHON_INLINE npy_int32 __Pyx_PyInt_As_npy_int32(PyObject *);
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
#define __Pyx_CREAL(z) ((z).real())
#define __Pyx_CIMAG(z) ((z).imag())
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#define __Pyx_CREAL(z) (__real__(z))
#define __Pyx_CIMAG(z) (__imag__(z))
#endif
#else
#define __Pyx_CREAL(z) ((z).real)
#define __Pyx_CIMAG(z) ((z).imag)
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#if (defined(_WIN32) || defined(__clang__)) && defined(__cplusplus) && CYTHON_CCOMPLEX
#define __Pyx_SET_CREAL(z,x) ((z).real(x))
#define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
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#define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x)
#define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y)
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static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
#if CYTHON_CCOMPLEX
#define __Pyx_c_eqf(a, b) ((a)==(b))
#define __Pyx_c_sumf(a, b) ((a)+(b))
#define __Pyx_c_difff(a, b) ((a)-(b))
#define __Pyx_c_prodf(a, b) ((a)*(b))
#define __Pyx_c_quotf(a, b) ((a)/(b))
#define __Pyx_c_negf(a) (-(a))
#ifdef __cplusplus
#define __Pyx_c_is_zerof(z) ((z)==(float)0)
#define __Pyx_c_conjf(z) (::std::conj(z))
#if 1
#define __Pyx_c_absf(z) (::std::abs(z))
#define __Pyx_c_powf(a, b) (::std::pow(a, b))
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#define __Pyx_c_is_zerof(z) ((z)==0)
#define __Pyx_c_conjf(z) (conjf(z))
#if 1
#define __Pyx_c_absf(z) (cabsf(z))
#define __Pyx_c_powf(a, b) (cpowf(a, b))
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static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex);
static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex);
#if 1
static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex, __pyx_t_float_complex);
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static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
#if CYTHON_CCOMPLEX
#define __Pyx_c_eq(a, b) ((a)==(b))
#define __Pyx_c_sum(a, b) ((a)+(b))
#define __Pyx_c_diff(a, b) ((a)-(b))
#define __Pyx_c_prod(a, b) ((a)*(b))
#define __Pyx_c_quot(a, b) ((a)/(b))
#define __Pyx_c_neg(a) (-(a))
#ifdef __cplusplus
#define __Pyx_c_is_zero(z) ((z)==(double)0)
#define __Pyx_c_conj(z) (::std::conj(z))
#if 1
#define __Pyx_c_abs(z) (::std::abs(z))
#define __Pyx_c_pow(a, b) (::std::pow(a, b))
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#define __Pyx_c_is_zero(z) ((z)==0)
#define __Pyx_c_conj(z) (conj(z))
#if 1
#define __Pyx_c_abs(z) (cabs(z))
#define __Pyx_c_pow(a, b) (cpow(a, b))
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static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex);
static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex);
#if 1
static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex, __pyx_t_double_complex);
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static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
static int __Pyx_check_binary_version(void);
#if !defined(__Pyx_PyIdentifier_FromString)
#if PY_MAJOR_VERSION < 3
#define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
#else
#define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
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static PyObject *__Pyx_ImportModule(const char *name);
static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);
static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig);
static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
static PyObject *__pyx_f_7sklearn_4tree_5_tree_11TreeBuilder_build(CYTHON_UNUSED struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder *__pyx_v_self, CYTHON_UNUSED struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_tree, CYTHON_UNUSED PyObject *__pyx_v_X, CYTHON_UNUSED PyArrayObject *__pyx_v_y, int __pyx_skip_dispatch, struct __pyx_opt_args_7sklearn_4tree_5_tree_11TreeBuilder_build *__pyx_optional_args); /* proto*/
static PyObject *__pyx_f_7sklearn_4tree_5_tree_11TreeBuilder__check_input(CYTHON_UNUSED struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder *__pyx_v_self, PyObject *__pyx_v_X, PyArrayObject *__pyx_v_y, PyArrayObject *__pyx_v_sample_weight); /* proto*/
static PyObject *__pyx_f_7sklearn_4tree_5_tree_21DepthFirstTreeBuilder_build(struct __pyx_obj_7sklearn_4tree_5_tree_DepthFirstTreeBuilder *__pyx_v_self, struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_tree, PyObject *__pyx_v_X, PyArrayObject *__pyx_v_y, int __pyx_skip_dispatch, struct __pyx_opt_args_7sklearn_4tree_5_tree_21DepthFirstTreeBuilder_build *__pyx_optional_args); /* proto*/
static PyObject *__pyx_f_7sklearn_4tree_5_tree_20BestFirstTreeBuilder_build(struct __pyx_obj_7sklearn_4tree_5_tree_BestFirstTreeBuilder *__pyx_v_self, struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_tree, PyObject *__pyx_v_X, PyArrayObject *__pyx_v_y, int __pyx_skip_dispatch, struct __pyx_opt_args_7sklearn_4tree_5_tree_20BestFirstTreeBuilder_build *__pyx_optional_args); /* proto*/
static CYTHON_INLINE int __pyx_f_7sklearn_4tree_5_tree_20BestFirstTreeBuilder__add_split_node(struct __pyx_obj_7sklearn_4tree_5_tree_BestFirstTreeBuilder *__pyx_v_self, struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *__pyx_v_splitter, struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_tree, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_start, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_end, double __pyx_v_impurity, int __pyx_v_is_first, int __pyx_v_is_left, struct __pyx_t_7sklearn_4tree_5_tree_Node *__pyx_v_parent, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_depth, struct __pyx_t_7sklearn_4tree_6_utils_PriorityHeapRecord *__pyx_v_res); /* proto*/
static void __pyx_f_7sklearn_4tree_5_tree_4Tree__resize(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_capacity); /* proto*/
static int __pyx_f_7sklearn_4tree_5_tree_4Tree__resize_c(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, struct __pyx_opt_args_7sklearn_4tree_5_tree_4Tree__resize_c *__pyx_optional_args); /* proto*/
static __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_f_7sklearn_4tree_5_tree_4Tree__add_node(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_parent, int __pyx_v_is_left, int __pyx_v_is_leaf, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_feature, double __pyx_v_threshold, double __pyx_v_impurity, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_n_node_samples, double __pyx_v_weighted_n_node_samples); /* proto*/
static PyArrayObject *__pyx_f_7sklearn_4tree_5_tree_4Tree_predict(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X, int __pyx_skip_dispatch); /* proto*/
static PyArrayObject *__pyx_f_7sklearn_4tree_5_tree_4Tree_apply(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X, int __pyx_skip_dispatch); /* proto*/
static PyArrayObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__apply_dense(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto*/
static PyArrayObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__apply_sparse_csr(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto*/
static PyObject *__pyx_f_7sklearn_4tree_5_tree_4Tree_decision_path(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X, int __pyx_skip_dispatch); /* proto*/
static PyObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__decision_path_dense(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto*/
static PyObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__decision_path_sparse_csr(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto*/
static PyObject *__pyx_f_7sklearn_4tree_5_tree_4Tree_compute_feature_importances(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, int __pyx_skip_dispatch, struct __pyx_opt_args_7sklearn_4tree_5_tree_4Tree_compute_feature_importances *__pyx_optional_args); /* proto*/
static PyArrayObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__get_value_ndarray(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto*/
static PyArrayObject *__pyx_f_7sklearn_4tree_5_tree_4Tree__get_node_ndarray(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto*/
/* Module declarations from 'cpython.buffer' */
/* Module declarations from 'cpython.ref' */
/* Module declarations from 'libc.string' */
/* Module declarations from 'libc.stdio' */
/* Module declarations from 'cpython.object' */
/* Module declarations from '__builtin__' */
/* Module declarations from 'cpython.type' */
static PyTypeObject *__pyx_ptype_7cpython_4type_type = 0;
/* Module declarations from 'libc.stdlib' */
/* Module declarations from 'numpy' */
/* Module declarations from 'numpy' */
static PyTypeObject *__pyx_ptype_5numpy_dtype = 0;
static PyTypeObject *__pyx_ptype_5numpy_flatiter = 0;
static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/
/* Module declarations from 'sklearn.tree._criterion' */
static PyTypeObject *__pyx_ptype_7sklearn_4tree_10_criterion_Criterion = 0;
/* Module declarations from 'sklearn.tree._splitter' */
static PyTypeObject *__pyx_ptype_7sklearn_4tree_9_splitter_Splitter = 0;
/* Module declarations from 'cpython.version' */
/* Module declarations from 'cpython.exc' */
/* Module declarations from 'cpython.module' */
/* Module declarations from 'cpython.mem' */
/* Module declarations from 'cpython.tuple' */
/* Module declarations from 'cpython.list' */
/* Module declarations from 'cpython.sequence' */
/* Module declarations from 'cpython.mapping' */
/* Module declarations from 'cpython.iterator' */
/* Module declarations from 'cpython.number' */
/* Module declarations from 'cpython.int' */
/* Module declarations from '__builtin__' */
/* Module declarations from 'cpython.bool' */
static PyTypeObject *__pyx_ptype_7cpython_4bool_bool = 0;
/* Module declarations from 'cpython.long' */
/* Module declarations from 'cpython.float' */
/* Module declarations from '__builtin__' */
/* Module declarations from 'cpython.complex' */
static PyTypeObject *__pyx_ptype_7cpython_7complex_complex = 0;
/* Module declarations from 'cpython.string' */
/* Module declarations from 'cpython.unicode' */
/* Module declarations from 'cpython.dict' */
/* Module declarations from 'cpython.instance' */
/* Module declarations from 'cpython.function' */
/* Module declarations from 'cpython.method' */
/* Module declarations from 'cpython.weakref' */
/* Module declarations from 'cpython.getargs' */
/* Module declarations from 'cpython.pythread' */
/* Module declarations from 'cpython.pystate' */
/* Module declarations from 'cpython.cobject' */
/* Module declarations from 'cpython.oldbuffer' */
/* Module declarations from 'cpython.set' */
/* Module declarations from 'cpython.bytes' */
/* Module declarations from 'cpython.pycapsule' */
/* Module declarations from 'cpython' */
/* Module declarations from 'sklearn.tree._utils' */
static PyTypeObject *__pyx_ptype_7sklearn_4tree_6_utils_Stack = 0;
static PyTypeObject *__pyx_ptype_7sklearn_4tree_6_utils_PriorityHeap = 0;
static PyArrayObject *(*__pyx_f_7sklearn_4tree_6_utils_sizet_ptr_to_ndarray)(__pyx_t_7sklearn_4tree_6_utils_SIZE_t *, __pyx_t_7sklearn_4tree_6_utils_SIZE_t); /*proto*/
static __pyx_t_7sklearn_4tree_6_utils_DTYPE_t *(*__pyx_fuse_0__pyx_f_7sklearn_4tree_6_utils_safe_realloc)(__pyx_t_7sklearn_4tree_6_utils_DTYPE_t **, size_t); /*proto*/
static __pyx_t_7sklearn_4tree_6_utils_SIZE_t *(*__pyx_fuse_1__pyx_f_7sklearn_4tree_6_utils_safe_realloc)(__pyx_t_7sklearn_4tree_6_utils_SIZE_t **, size_t); /*proto*/
static unsigned char *(*__pyx_fuse_2__pyx_f_7sklearn_4tree_6_utils_safe_realloc)(unsigned char **, size_t); /*proto*/
/* Module declarations from 'sklearn.tree._tree' */
static PyTypeObject *__pyx_ptype_7sklearn_4tree_5_tree_Tree = 0;
static PyTypeObject *__pyx_ptype_7sklearn_4tree_5_tree_TreeBuilder = 0;
static PyTypeObject *__pyx_ptype_7sklearn_4tree_5_tree_DepthFirstTreeBuilder = 0;
static PyTypeObject *__pyx_ptype_7sklearn_4tree_5_tree_BestFirstTreeBuilder = 0;
static double __pyx_v_7sklearn_4tree_5_tree_INFINITY;
static int __pyx_v_7sklearn_4tree_5_tree_IS_FIRST;
static int __pyx_v_7sklearn_4tree_5_tree_IS_NOT_FIRST;
static int __pyx_v_7sklearn_4tree_5_tree_IS_LEFT;
static int __pyx_v_7sklearn_4tree_5_tree_IS_NOT_LEFT;
static __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_7sklearn_4tree_5_tree__TREE_LEAF;
static __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_7sklearn_4tree_5_tree__TREE_UNDEFINED;
static __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_7sklearn_4tree_5_tree_INITIAL_STACK_SIZE;
static __pyx_t_7sklearn_4tree_5_tree_DTYPE_t __pyx_v_7sklearn_4tree_5_tree_MIN_IMPURITY_SPLIT;
static CYTHON_INLINE int __pyx_f_7sklearn_4tree_5_tree__add_to_frontier(struct __pyx_t_7sklearn_4tree_6_utils_PriorityHeapRecord *, struct __pyx_obj_7sklearn_4tree_6_utils_PriorityHeap *); /*proto*/
static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_7sklearn_4tree_5_tree_SIZE_t = { "SIZE_t", NULL, sizeof(__pyx_t_7sklearn_4tree_5_tree_SIZE_t), { 0 }, 0, IS_UNSIGNED(__pyx_t_7sklearn_4tree_5_tree_SIZE_t) ? 'U' : 'I', IS_UNSIGNED(__pyx_t_7sklearn_4tree_5_tree_SIZE_t), 0 };
static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_7sklearn_4tree_5_tree_DTYPE_t = { "DTYPE_t", NULL, sizeof(__pyx_t_7sklearn_4tree_5_tree_DTYPE_t), { 0 }, 0, 'R', 0, 0 };
static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_7sklearn_4tree_5_tree_INT32_t = { "INT32_t", NULL, sizeof(__pyx_t_7sklearn_4tree_5_tree_INT32_t), { 0 }, 0, IS_UNSIGNED(__pyx_t_7sklearn_4tree_5_tree_INT32_t) ? 'U' : 'I', IS_UNSIGNED(__pyx_t_7sklearn_4tree_5_tree_INT32_t), 0 };
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 };
#define __Pyx_MODULE_NAME "sklearn.tree._tree"
int __pyx_module_is_main_sklearn__tree___tree = 0;
/* Implementation of 'sklearn.tree._tree' */
static PyObject *__pyx_builtin_ValueError;
static PyObject *__pyx_builtin_MemoryError;
static PyObject *__pyx_builtin_range;
static PyObject *__pyx_builtin_RuntimeError;
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_11TreeBuilder_build(struct __pyx_obj_7sklearn_4tree_5_tree_TreeBuilder *__pyx_v_self, struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_tree, PyObject *__pyx_v_X, PyArrayObject *__pyx_v_y, PyArrayObject *__pyx_v_sample_weight, PyArrayObject *__pyx_v_X_idx_sorted); /* proto */
static int __pyx_pf_7sklearn_4tree_5_tree_21DepthFirstTreeBuilder___cinit__(struct __pyx_obj_7sklearn_4tree_5_tree_DepthFirstTreeBuilder *__pyx_v_self, struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *__pyx_v_splitter, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_min_samples_split, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_min_samples_leaf, double __pyx_v_min_weight_leaf, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_max_depth); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_21DepthFirstTreeBuilder_2build(struct __pyx_obj_7sklearn_4tree_5_tree_DepthFirstTreeBuilder *__pyx_v_self, struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_tree, PyObject *__pyx_v_X, PyArrayObject *__pyx_v_y, PyArrayObject *__pyx_v_sample_weight, PyArrayObject *__pyx_v_X_idx_sorted); /* proto */
static int __pyx_pf_7sklearn_4tree_5_tree_20BestFirstTreeBuilder___cinit__(struct __pyx_obj_7sklearn_4tree_5_tree_BestFirstTreeBuilder *__pyx_v_self, struct __pyx_obj_7sklearn_4tree_9_splitter_Splitter *__pyx_v_splitter, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_min_samples_split, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_min_samples_leaf, PyObject *__pyx_v_min_weight_leaf, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_max_depth, __pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_v_max_leaf_nodes); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_20BestFirstTreeBuilder_2build(struct __pyx_obj_7sklearn_4tree_5_tree_BestFirstTreeBuilder *__pyx_v_self, struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_tree, PyObject *__pyx_v_X, PyArrayObject *__pyx_v_y, PyArrayObject *__pyx_v_sample_weight, PyArrayObject *__pyx_v_X_idx_sorted); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_9n_classes___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_13children_left___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_14children_right___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_7feature___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_9threshold___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_8impurity___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_14n_node_samples___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_23weighted_n_node_samples___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_5value___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static int __pyx_pf_7sklearn_4tree_5_tree_4Tree___cinit__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, int __pyx_v_n_features, PyArrayObject *__pyx_v_n_classes, int __pyx_v_n_outputs); /* proto */
static void __pyx_pf_7sklearn_4tree_5_tree_4Tree_2__dealloc__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_4__reduce__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_6__getstate__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_8__setstate__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_d); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_10predict(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_12apply(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_14decision_path(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_X); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_16compute_feature_importances(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_normalize); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_10n_features___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static int __pyx_pf_7sklearn_4tree_5_tree_4Tree_10n_features_2__set__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_9n_outputs___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static int __pyx_pf_7sklearn_4tree_5_tree_4Tree_9n_outputs_2__set__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_13max_n_classes___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static int __pyx_pf_7sklearn_4tree_5_tree_4Tree_13max_n_classes_2__set__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_9max_depth___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static int __pyx_pf_7sklearn_4tree_5_tree_4Tree_9max_depth_2__set__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_10node_count___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static int __pyx_pf_7sklearn_4tree_5_tree_4Tree_10node_count_2__set__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
static PyObject *__pyx_pf_7sklearn_4tree_5_tree_4Tree_8capacity___get__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self); /* proto */
static int __pyx_pf_7sklearn_4tree_5_tree_4Tree_8capacity_2__set__(struct __pyx_obj_7sklearn_4tree_5_tree_Tree *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info); /* proto */
static PyObject *__pyx_tp_new_7sklearn_4tree_5_tree_Tree(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_7sklearn_4tree_5_tree_TreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_7sklearn_4tree_5_tree_DepthFirstTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_7sklearn_4tree_5_tree_BestFirstTreeBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static char __pyx_k_B[] = "B";
static char __pyx_k_C[] = "C";
static char __pyx_k_H[] = "H";
static char __pyx_k_I[] = "I";
static char __pyx_k_L[] = "L";
static char __pyx_k_O[] = "O";
static char __pyx_k_Q[] = "Q";
static char __pyx_k_X[] = "X";
static char __pyx_k_b[] = "b";
static char __pyx_k_d[] = "d";
static char __pyx_k_f[] = "f";
static char __pyx_k_g[] = "g";
static char __pyx_k_h[] = "h";
static char __pyx_k_i[] = "i";
static char __pyx_k_l[] = "l";
static char __pyx_k_q[] = "q";
static char __pyx_k_y[] = "y";
static char __pyx_k_Zd[] = "Zd";
static char __pyx_k_Zf[] = "Zf";
static char __pyx_k_Zg[] = "Zg";
static char __pyx_k_np[] = "np";
static char __pyx_k_inf[] = "inf";
static char __pyx_k_max[] = "max";
static char __pyx_k_sum[] = "sum";
static char __pyx_k_axis[] = "axis";
static char __pyx_k_clip[] = "clip";
static char __pyx_k_copy[] = "copy";
static char __pyx_k_data[] = "data";
static char __pyx_k_intp[] = "intp";
static char __pyx_k_main[] = "__main__";
static char __pyx_k_mode[] = "mode";
static char __pyx_k_ndim[] = "ndim";
static char __pyx_k_ones[] = "ones";
static char __pyx_k_take[] = "take";
static char __pyx_k_test[] = "__test__";
static char __pyx_k_tree[] = "tree";
static char __pyx_k_DTYPE[] = "DTYPE";
static char __pyx_k_apply[] = "apply";
static char __pyx_k_build[] = "build";
static char __pyx_k_dtype[] = "dtype";
static char __pyx_k_flags[] = "flags";
static char __pyx_k_int32[] = "int32";
static char __pyx_k_names[] = "names";
static char __pyx_k_nodes[] = "nodes";
static char __pyx_k_numpy[] = "numpy";
static char __pyx_k_order[] = "order";
static char __pyx_k_range[] = "range";
static char __pyx_k_shape[] = "shape";
static char __pyx_k_tocsc[] = "tocsc";
static char __pyx_k_zeros[] = "zeros";
static char __pyx_k_DOUBLE[] = "DOUBLE";
static char __pyx_k_import[] = "__import__";
static char __pyx_k_indptr[] = "indptr";
static char __pyx_k_values[] = "values";
static char __pyx_k_asarray[] = "asarray";
static char __pyx_k_feature[] = "feature";
static char __pyx_k_float32[] = "float32";
static char __pyx_k_float64[] = "float64";
static char __pyx_k_formats[] = "formats";
static char __pyx_k_indices[] = "indices";
static char __pyx_k_offsets[] = "offsets";
static char __pyx_k_predict[] = "predict";
static char __pyx_k_reshape[] = "reshape";
static char __pyx_k_strides[] = "strides";
static char __pyx_k_getstate[] = "__getstate__";
static char __pyx_k_impurity[] = "impurity";
static char __pyx_k_issparse[] = "issparse";
static char __pyx_k_itemsize[] = "itemsize";
static char __pyx_k_splitter[] = "splitter";
static char __pyx_k_TREE_LEAF[] = "TREE_LEAF";
static char __pyx_k_max_depth[] = "max_depth";
static char __pyx_k_n_classes[] = "n_classes";
static char __pyx_k_n_outputs[] = "n_outputs";
static char __pyx_k_normalize[] = "normalize";
static char __pyx_k_threshold[] = "threshold";
static char __pyx_k_NODE_DTYPE[] = "NODE_DTYPE";
static char __pyx_k_ValueError[] = "ValueError";
static char __pyx_k_contiguous[] = "contiguous";
static char __pyx_k_csc_matrix[] = "csc_matrix";
static char __pyx_k_csr_matrix[] = "csr_matrix";
static char __pyx_k_left_child[] = "left_child";
static char __pyx_k_n_features[] = "n_features";
static char __pyx_k_node_count[] = "node_count";
static char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
static char __pyx_k_MemoryError[] = "MemoryError";
static char __pyx_k_right_child[] = "right_child";
static char __pyx_k_RuntimeError[] = "RuntimeError";
static char __pyx_k_X_idx_sorted[] = "X_idx_sorted";
static char __pyx_k_c_contiguous[] = "c_contiguous";
static char __pyx_k_scipy_sparse[] = "scipy.sparse";
static char __pyx_k_sort_indices[] = "sort_indices";
static char __pyx_k_decision_path[] = "decision_path";
static char __pyx_k_sample_weight[] = "sample_weight";
static char __pyx_k_TREE_UNDEFINED[] = "TREE_UNDEFINED";
static char __pyx_k_asfortranarray[] = "asfortranarray";
static char __pyx_k_max_leaf_nodes[] = "max_leaf_nodes";
static char __pyx_k_n_node_samples[] = "n_node_samples";
static char __pyx_k_min_weight_leaf[] = "min_weight_leaf";
static char __pyx_k_min_samples_leaf[] = "min_samples_leaf";
static char __pyx_k_ascontiguousarray[] = "ascontiguousarray";
static char __pyx_k_min_samples_split[] = "min_samples_split";
static char __pyx_k_resizing_tree_to_d[] = "resizing tree to %d";
static char __pyx_k_weighted_n_node_samples[] = "weighted_n_node_samples";
static char __pyx_k_compute_feature_importances[] = "compute_feature_importances";
static char __pyx_k_ndarray_is_not_C_contiguous[] = "ndarray is not C contiguous";
static char __pyx_k_unknown_dtype_code_in_numpy_pxd[] = "unknown dtype code in numpy.pxd (%d)";
static char __pyx_k_Did_not_recognise_loaded_array_l[] = "Did not recognise loaded array layout";
static char __pyx_k_Format_string_allocated_too_shor[] = "Format string allocated too short, see comment in numpy.pxd";
static char __pyx_k_No_support_for_np_int64_index_ba[] = "No support for np.int64 index based sparse matrices";
static char __pyx_k_Non_native_byte_order_not_suppor[] = "Non-native byte order not supported";
static char __pyx_k_X_dtype_should_be_np_float32_got[] = "X.dtype should be np.float32, got %s";
static char __pyx_k_X_should_be_in_csr_matrix_format[] = "X should be in csr_matrix format, got %s";
static char __pyx_k_X_should_be_in_np_ndarray_format[] = "X should be in np.ndarray format, got %s";
static char __pyx_k_You_have_loaded_Tree_version_whi[] = "You have loaded Tree version which cannot be imported";
static char __pyx_k_ndarray_is_not_Fortran_contiguou[] = "ndarray is not Fortran contiguous";
static char __pyx_k_Format_string_allocated_too_shor_2[] = "Format string allocated too short.";
static PyObject *__pyx_n_s_C;
static PyObject *__pyx_n_s_DOUBLE;
static PyObject *__pyx_n_s_DTYPE;
static PyObject *__pyx_kp_s_Did_not_recognise_loaded_array_l;
static PyObject *__pyx_kp_u_Format_string_allocated_too_shor;
static PyObject *__pyx_kp_u_Format_string_allocated_too_shor_2;
static PyObject *__pyx_n_s_MemoryError;
static PyObject *__pyx_n_s_NODE_DTYPE;
static PyObject *__pyx_kp_s_No_support_for_np_int64_index_ba;
static PyObject *__pyx_kp_u_Non_native_byte_order_not_suppor;
static PyObject *__pyx_n_s_RuntimeError;
static PyObject *__pyx_n_s_TREE_LEAF;
static PyObject *__pyx_n_s_TREE_UNDEFINED;
static PyObject *__pyx_n_s_ValueError;
static PyObject *__pyx_n_s_X;
static PyObject *__pyx_kp_s_X_dtype_should_be_np_float32_got;
static PyObject *__pyx_n_s_X_idx_sorted;
static PyObject *__pyx_kp_s_X_should_be_in_csr_matrix_format;
static PyObject *__pyx_kp_s_X_should_be_in_np_ndarray_format;
static PyObject *__pyx_kp_s_You_have_loaded_Tree_version_whi;
static PyObject *__pyx_n_s_apply;
static PyObject *__pyx_n_s_asarray;
static PyObject *__pyx_n_s_ascontiguousarray;
static PyObject *__pyx_n_s_asfortranarray;
static PyObject *__pyx_n_s_axis;
static PyObject *__pyx_n_s_build;
static PyObject *__pyx_n_s_c_contiguous;
static PyObject *__pyx_n_s_clip;
static PyObject *__pyx_n_s_compute_feature_importances;
static PyObject *__pyx_n_s_contiguous;
static PyObject *__pyx_n_s_copy;
static PyObject *__pyx_n_s_csc_matrix;
static PyObject *__pyx_n_s_csr_matrix;
static PyObject *__pyx_n_s_data;
static PyObject *__pyx_n_s_decision_path;
static PyObject *__pyx_n_s_dtype;
static PyObject *__pyx_n_s_feature;
static PyObject *__pyx_n_s_flags;
static PyObject *__pyx_n_s_float32;
static PyObject *__pyx_n_s_float64;
static PyObject *__pyx_n_s_formats;
static PyObject *__pyx_n_s_getstate;
static PyObject *__pyx_n_s_import;
static PyObject *__pyx_n_s_impurity;
static PyObject *__pyx_n_s_indices;
static PyObject *__pyx_n_s_indptr;
static PyObject *__pyx_n_s_inf;
static PyObject *__pyx_n_s_int32;
static PyObject *__pyx_n_s_intp;
static PyObject *__pyx_n_s_issparse;
static PyObject *__pyx_n_s_itemsize;
static PyObject *__pyx_n_s_left_child;
static PyObject *__pyx_n_s_main;
static PyObject *__pyx_n_s_max;
static PyObject *__pyx_n_s_max_depth;
static PyObject *__pyx_n_s_max_leaf_nodes;
static PyObject *__pyx_n_s_min_samples_leaf;
static PyObject *__pyx_n_s_min_samples_split;
static PyObject *__pyx_n_s_min_weight_leaf;
static PyObject *__pyx_n_s_mode;
static PyObject *__pyx_n_s_n_classes;
static PyObject *__pyx_n_s_n_features;
static PyObject *__pyx_n_s_n_node_samples;
static PyObject *__pyx_n_s_n_outputs;
static PyObject *__pyx_n_s_names;
static PyObject *__pyx_kp_u_ndarray_is_not_C_contiguous;
static PyObject *__pyx_kp_u_ndarray_is_not_Fortran_contiguou;
static PyObject *__pyx_n_s_ndim;
static PyObject *__pyx_n_s_node_count;
static PyObject *__pyx_n_s_nodes;
static PyObject *__pyx_n_s_normalize;
static PyObject *__pyx_n_s_np;
static PyObject *__pyx_n_s_numpy;
static PyObject *__pyx_n_s_offsets;
static PyObject *__pyx_n_s_ones;
static PyObject *__pyx_n_s_order;
static PyObject *__pyx_n_s_predict;
static PyObject *__pyx_n_s_pyx_vtable;
static PyObject *__pyx_n_s_range;
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/* "sklearn/tree/_tree.pyx":196
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*/
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/* "sklearn/tree/_tree.pyx":197
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*/
__pyx_t_9 = ((__pyx_v_rc == -1) != 0);
if (__pyx_t_9) {
/* "sklearn/tree/_tree.pyx":199
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PyErr_NoMemory(); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
}
/* "sklearn/tree/_tree.pyx":201
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{
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PyThreadState *_save;
Py_UNBLOCK_THREADS
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/* "sklearn/tree/_tree.pyx":202
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while (1) {
__pyx_t_9 = ((!(((struct __pyx_vtabstruct_7sklearn_4tree_6_utils_Stack *)__pyx_v_stack->__pyx_vtab)->is_empty(__pyx_v_stack) != 0)) != 0);
if (!__pyx_t_9) break;
/* "sklearn/tree/_tree.pyx":203
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((struct __pyx_vtabstruct_7sklearn_4tree_6_utils_Stack *)__pyx_v_stack->__pyx_vtab)->pop(__pyx_v_stack, (&__pyx_v_stack_record));
/* "sklearn/tree/_tree.pyx":205
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/* "sklearn/tree/_tree.pyx":206
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*/
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/* "sklearn/tree/_tree.pyx":207
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*/
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/* "sklearn/tree/_tree.pyx":208
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*/
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/* "sklearn/tree/_tree.pyx":209
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/* "sklearn/tree/_tree.pyx":210
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*/
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/* "sklearn/tree/_tree.pyx":211
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/* "sklearn/tree/_tree.pyx":214
*
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((struct __pyx_vtabstruct_7sklearn_4tree_9_splitter_Splitter *)__pyx_v_splitter->__pyx_vtab)->node_reset(__pyx_v_splitter, __pyx_v_start, __pyx_v_end, (&__pyx_v_weighted_n_node_samples));
/* "sklearn/tree/_tree.pyx":216
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goto __pyx_L13_bool_binop_done;
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/* "sklearn/tree/_tree.pyx":217
*
* is_leaf = ((depth >= max_depth) or
* (n_node_samples < min_samples_split) or # <<<<<<<<<<<<<<
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__pyx_t_9 = __pyx_t_8;
goto __pyx_L13_bool_binop_done;
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/* "sklearn/tree/_tree.pyx":218
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*/
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__pyx_t_9 = __pyx_t_8;
goto __pyx_L13_bool_binop_done;
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/* "sklearn/tree/_tree.pyx":219
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__pyx_t_9 = __pyx_t_8;
__pyx_L13_bool_binop_done:;
__pyx_v_is_leaf = __pyx_t_9;
/* "sklearn/tree/_tree.pyx":221
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*/
__pyx_t_9 = (__pyx_v_first != 0);
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/* "sklearn/tree/_tree.pyx":222
*
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*/
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/* "sklearn/tree/_tree.pyx":223
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*/
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__pyx_L17:;
/* "sklearn/tree/_tree.pyx":225
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*
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*/
__pyx_t_8 = (__pyx_v_is_leaf != 0);
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} else {
__pyx_t_9 = __pyx_t_8;
goto __pyx_L18_bool_binop_done;
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__pyx_t_9 = __pyx_t_8;
__pyx_L18_bool_binop_done:;
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/* "sklearn/tree/_tree.pyx":227
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*
* if not is_leaf: # <<<<<<<<<<<<<<
* splitter.node_split(impurity, &split, &n_constant_features)
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*/
__pyx_t_9 = ((!(__pyx_v_is_leaf != 0)) != 0);
if (__pyx_t_9) {
/* "sklearn/tree/_tree.pyx":228
*
* if not is_leaf:
* splitter.node_split(impurity, &split, &n_constant_features) # <<<<<<<<<<<<<<
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*/
((struct __pyx_vtabstruct_7sklearn_4tree_9_splitter_Splitter *)__pyx_v_splitter->__pyx_vtab)->node_split(__pyx_v_splitter, __pyx_v_impurity, (&__pyx_v_split), (&__pyx_v_n_constant_features));
/* "sklearn/tree/_tree.pyx":229
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*
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*/
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if (!__pyx_t_8) {
} else {
__pyx_t_9 = __pyx_t_8;
goto __pyx_L21_bool_binop_done;
}
__pyx_t_8 = ((__pyx_v_split.pos >= __pyx_v_end) != 0);
__pyx_t_9 = __pyx_t_8;
__pyx_L21_bool_binop_done:;
__pyx_v_is_leaf = __pyx_t_9;
goto __pyx_L20;
}
__pyx_L20:;
/* "sklearn/tree/_tree.pyx":231
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/* "sklearn/tree/_tree.pyx":235
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/* "sklearn/tree/_tree.pyx":236
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/* "sklearn/tree/_tree.pyx":243
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/* "sklearn/tree/_tree.pyx":245
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/* "sklearn/tree/_tree.pyx":254
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/* "sklearn/tree/_tree.pyx":343
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/* "sklearn/tree/_tree.pyx":337
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/* "sklearn/tree/_tree.pyx":347
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/* "sklearn/tree/_tree.pyx":348
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/* "sklearn/tree/_tree.pyx":357
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/* "sklearn/tree/_tree.pyx":381
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/* "sklearn/tree/_tree.pyx":411
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* SIZE_t start, SIZE_t end, double impurity,
* bint is_first, bint is_left, Node* parent,
*/
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/* "sklearn/tree/_tree.pyx":432
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if (__pyx_t_2) {
} else {
__pyx_t_1 = __pyx_t_2;
goto __pyx_L4_bool_binop_done;
}
__pyx_t_2 = ((__pyx_v_self->nodes != NULL) != 0);
__pyx_t_1 = __pyx_t_2;
__pyx_L4_bool_binop_done:;
if (__pyx_t_1) {
/* "sklearn/tree/_tree.pyx":663
* """Guts of _resize. Returns 0 for success, -1 for error."""
* if capacity == self.capacity and self.nodes != NULL:
* return 0 # <<<<<<<<<<<<<<
*
* if capacity == <SIZE_t>(-1):
*/
__pyx_r = 0;
goto __pyx_L0;
}
/* "sklearn/tree/_tree.pyx":665
* return 0
*
* if capacity == <SIZE_t>(-1): # <<<<<<<<<<<<<<
* if self.capacity == 0:
* capacity = 3 # default initial value
*/
__pyx_t_1 = ((__pyx_v_capacity == ((__pyx_t_7sklearn_4tree_5_tree_SIZE_t)-1)) != 0);
if (__pyx_t_1) {
/* "sklearn/tree/_tree.pyx":666
*
* if capacity == <SIZE_t>(-1):
* if self.capacity == 0: # <<<<<<<<<<<<<<
* capacity = 3 # default initial value
* else:
*/
__pyx_t_1 = ((__pyx_v_self->capacity == 0) != 0);
if (__pyx_t_1) {
/* "sklearn/tree/_tree.pyx":667
* if capacity == <SIZE_t>(-1):
* if self.capacity == 0:
* capacity = 3 # default initial value # <<<<<<<<<<<<<<
* else:
* capacity = 2 * self.capacity
*/
__pyx_v_capacity = 3;
goto __pyx_L7;
}
/*else*/ {
/* "sklearn/tree/_tree.pyx":669
* capacity = 3 # default initial value
* else:
* capacity = 2 * self.capacity # <<<<<<<<<<<<<<
*
* # XXX no safe_realloc here because we need to grab the GIL
*/
__pyx_v_capacity = (2 * __pyx_v_self->capacity);
}
__pyx_L7:;
goto __pyx_L6;
}
__pyx_L6:;
/* "sklearn/tree/_tree.pyx":672
*
* # XXX no safe_realloc here because we need to grab the GIL
* cdef void* ptr = realloc(self.nodes, capacity * sizeof(Node)) # <<<<<<<<<<<<<<
* if ptr == NULL:
* return -1
*/
__pyx_v_ptr = realloc(__pyx_v_self->nodes, (__pyx_v_capacity * (sizeof(struct __pyx_t_7sklearn_4tree_5_tree_Node))));
/* "sklearn/tree/_tree.pyx":673
* # XXX no safe_realloc here because we need to grab the GIL
* cdef void* ptr = realloc(self.nodes, capacity * sizeof(Node))
* if ptr == NULL: # <<<<<<<<<<<<<<
* return -1
* self.nodes = <Node*> ptr
*/
__pyx_t_1 = ((__pyx_v_ptr == NULL) != 0);
if (__pyx_t_1) {
/* "sklearn/tree/_tree.pyx":674
* cdef void* ptr = realloc(self.nodes, capacity * sizeof(Node))
* if ptr == NULL:
* return -1 # <<<<<<<<<<<<<<
* self.nodes = <Node*> ptr
* ptr = realloc(self.value,
*/
__pyx_r = -1;
goto __pyx_L0;
}
/* "sklearn/tree/_tree.pyx":675
* if ptr == NULL:
* return -1
* self.nodes = <Node*> ptr # <<<<<<<<<<<<<<
* ptr = realloc(self.value,
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*/
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/* "sklearn/tree/_tree.pyx":676
* return -1
* self.nodes = <Node*> ptr
* ptr = realloc(self.value, # <<<<<<<<<<<<<<
* capacity * self.value_stride * sizeof(double))
* if ptr == NULL:
*/
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/* "sklearn/tree/_tree.pyx":678
* ptr = realloc(self.value,
* capacity * self.value_stride * sizeof(double))
* if ptr == NULL: # <<<<<<<<<<<<<<
* return -1
* self.value = <double*> ptr
*/
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if (__pyx_t_1) {
/* "sklearn/tree/_tree.pyx":679
* capacity * self.value_stride * sizeof(double))
* if ptr == NULL:
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* self.value = <double*> ptr
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*/
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/* "sklearn/tree/_tree.pyx":683
*
* # value memory is initialised to 0 to enable classifier argmax
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* (capacity - self.capacity) * self.value_stride *
*/
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if (__pyx_t_1) {
/* "sklearn/tree/_tree.pyx":684
* # value memory is initialised to 0 to enable classifier argmax
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* memset(<void*>(self.value + self.capacity * self.value_stride), 0, # <<<<<<<<<<<<<<
* (capacity - self.capacity) * self.value_stride *
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*/
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goto __pyx_L10;
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__pyx_L10:;
/* "sklearn/tree/_tree.pyx":689
*
* # if capacity smaller than node_count, adjust the counter
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*/
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if (__pyx_t_1) {
/* "sklearn/tree/_tree.pyx":690
* # if capacity smaller than node_count, adjust the counter
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*
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*/
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goto __pyx_L11;
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__pyx_L11:;
/* "sklearn/tree/_tree.pyx":692
* self.node_count = capacity
*
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/* "sklearn/tree/_tree.pyx":693
*
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__pyx_L0:;
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/* "sklearn/tree/_tree.pyx":695
* return 0
*
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* SIZE_t feature, double threshold, double impurity,
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__pyx_t_7sklearn_4tree_5_tree_SIZE_t __pyx_t_1;
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/* "sklearn/tree/_tree.pyx":704
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*
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/* "sklearn/tree/_tree.pyx":706
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*
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/* "sklearn/tree/_tree.pyx":707
*
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*/
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/* "sklearn/tree/_tree.pyx":708
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__pyx_L3:;
/* "sklearn/tree/_tree.pyx":710
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*
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/* "sklearn/tree/_tree.pyx":711
*
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/* "sklearn/tree/_tree.pyx":712
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*
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/* "sklearn/tree/_tree.pyx":715
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*
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/* "sklearn/tree/_tree.pyx":716
*
* if parent != _TREE_UNDEFINED:
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/* "sklearn/tree/_tree.pyx":717
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* else:
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*/
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/* "sklearn/tree/_tree.pyx":719
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*
* if is_leaf:
*/
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__pyx_L6:;
goto __pyx_L5;
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__pyx_L5:;
/* "sklearn/tree/_tree.pyx":721
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*
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/* "sklearn/tree/_tree.pyx":722
*
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/* "sklearn/tree/_tree.pyx":723
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static PyObject *__pyx_getprop_7sklearn_4tree_5_tree_4Tree_impurity(PyObject *o, CYTHON_UNUSED void *x) {
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static PyObject *__pyx_getprop_7sklearn_4tree_5_tree_4Tree_n_node_samples(PyObject *o, CYTHON_UNUSED void *x) {
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static PyObject *__pyx_getprop_7sklearn_4tree_5_tree_4Tree_n_features(PyObject *o, CYTHON_UNUSED void *x) {
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}
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}
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PyErr_SetString(PyExc_NotImplementedError, "__del__");
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}
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static PyObject *__pyx_getprop_7sklearn_4tree_5_tree_4Tree_n_outputs(PyObject *o, CYTHON_UNUSED void *x) {
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}
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}
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PyErr_SetString(PyExc_NotImplementedError, "__del__");
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static PyObject *__pyx_getprop_7sklearn_4tree_5_tree_4Tree_max_n_classes(PyObject *o, CYTHON_UNUSED void *x) {
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}
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}
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}
else {
PyErr_SetString(PyExc_NotImplementedError, "__del__");
return -1;
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{0, 0, 0, 0}
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{(char *)"feature", __pyx_getprop_7sklearn_4tree_5_tree_4Tree_feature, 0, 0, 0},
{(char *)"threshold", __pyx_getprop_7sklearn_4tree_5_tree_4Tree_threshold, 0, 0, 0},
{(char *)"impurity", __pyx_getprop_7sklearn_4tree_5_tree_4Tree_impurity, 0, 0, 0},
{(char *)"n_node_samples", __pyx_getprop_7sklearn_4tree_5_tree_4Tree_n_node_samples, 0, 0, 0},
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{(char *)"max_n_classes", __pyx_getprop_7sklearn_4tree_5_tree_4Tree_max_n_classes, __pyx_setprop_7sklearn_4tree_5_tree_4Tree_max_n_classes, 0, 0},
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{0, 0, 0, 0, 0}
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{0, 0, 0, 0}
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__Pyx_XDECREF(__pyx_t_1);
__Pyx_XDECREF(__pyx_t_2);
__Pyx_XDECREF(__pyx_t_3);
__Pyx_XDECREF(__pyx_t_6);
__Pyx_XDECREF(__pyx_t_7);
__Pyx_XDECREF(__pyx_t_8);
__Pyx_XDECREF(__pyx_t_9);
__Pyx_XDECREF(__pyx_t_10);
__Pyx_XDECREF(__pyx_t_11);
__Pyx_XDECREF(__pyx_t_12);
if (__pyx_m) {
if (__pyx_d) {
__Pyx_AddTraceback("init sklearn.tree._tree", __pyx_clineno, __pyx_lineno, __pyx_filename);
}
Py_DECREF(__pyx_m); __pyx_m = 0;
} else if (!PyErr_Occurred()) {
PyErr_SetString(PyExc_ImportError, "init sklearn.tree._tree");
}
__pyx_L0:;
__Pyx_RefNannyFinishContext();
#if PY_MAJOR_VERSION < 3
return;
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return __pyx_m;
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}
/* --- Runtime support code --- */
#if CYTHON_REFNANNY
static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
PyObject *m = NULL, *p = NULL;
void *r = NULL;
m = PyImport_ImportModule((char *)modname);
if (!m) goto end;
p = PyObject_GetAttrString(m, (char *)"RefNannyAPI");
if (!p) goto end;
r = PyLong_AsVoidPtr(p);
end:
Py_XDECREF(p);
Py_XDECREF(m);
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}
#endif
static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
if (unlikely(!result)) {
PyErr_Format(PyExc_NameError,
#if PY_MAJOR_VERSION >= 3
"name '%U' is not defined", name);
#else
"name '%.200s' is not defined", PyString_AS_STRING(name));
#endif
}
return result;
}
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
PyObject *result;
ternaryfunc call = func->ob_type->tp_call;
if (unlikely(!call))
return PyObject_Call(func, arg, kw);
if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
return NULL;
result = (*call)(func, arg, kw);
Py_LeaveRecursiveCall();
if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
PyErr_SetString(
PyExc_SystemError,
"NULL result without error in PyObject_Call");
}
return result;
}
#endif
static void __Pyx_RaiseArgtupleInvalid(
const char* func_name,
int exact,
Py_ssize_t num_min,
Py_ssize_t num_max,
Py_ssize_t num_found)
{
Py_ssize_t num_expected;
const char *more_or_less;
if (num_found < num_min) {
num_expected = num_min;
more_or_less = "at least";
} else {
num_expected = num_max;
more_or_less = "at most";
}
if (exact) {
more_or_less = "exactly";
}
PyErr_Format(PyExc_TypeError,
"%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
func_name, more_or_less, num_expected,
(num_expected == 1) ? "" : "s", num_found);
}
static void __Pyx_RaiseDoubleKeywordsError(
const char* func_name,
PyObject* kw_name)
{
PyErr_Format(PyExc_TypeError,
#if PY_MAJOR_VERSION >= 3
"%s() got multiple values for keyword argument '%U'", func_name, kw_name);
#else
"%s() got multiple values for keyword argument '%s'", func_name,
PyString_AsString(kw_name));
#endif
}
static int __Pyx_ParseOptionalKeywords(
PyObject *kwds,
PyObject **argnames[],
PyObject *kwds2,
PyObject *values[],
Py_ssize_t num_pos_args,
const char* function_name)
{
PyObject *key = 0, *value = 0;
Py_ssize_t pos = 0;
PyObject*** name;
PyObject*** first_kw_arg = argnames + num_pos_args;
while (PyDict_Next(kwds, &pos, &key, &value)) {
name = first_kw_arg;
while (*name && (**name != key)) name++;
if (*name) {
values[name-argnames] = value;
continue;
}
name = first_kw_arg;
#if PY_MAJOR_VERSION < 3
if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
while (*name) {
if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
&& _PyString_Eq(**name, key)) {
values[name-argnames] = value;
break;
}
name++;
}
if (*name) continue;
else {
PyObject*** argname = argnames;
while (argname != first_kw_arg) {
if ((**argname == key) || (
(CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
&& _PyString_Eq(**argname, key))) {
goto arg_passed_twice;
}
argname++;
}
}
} else
#endif
if (likely(PyUnicode_Check(key))) {
while (*name) {
int cmp = (**name == key) ? 0 :
#if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
(PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
#endif
PyUnicode_Compare(**name, key);
if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
if (cmp == 0) {
values[name-argnames] = value;
break;
}
name++;
}
if (*name) continue;
else {
PyObject*** argname = argnames;
while (argname != first_kw_arg) {
int cmp = (**argname == key) ? 0 :
#if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
(PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
#endif
PyUnicode_Compare(**argname, key);
if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
if (cmp == 0) goto arg_passed_twice;
argname++;
}
}
} else
goto invalid_keyword_type;
if (kwds2) {
if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
} else {
goto invalid_keyword;
}
}
return 0;
arg_passed_twice:
__Pyx_RaiseDoubleKeywordsError(function_name, key);
goto bad;
invalid_keyword_type:
PyErr_Format(PyExc_TypeError,
"%.200s() keywords must be strings", function_name);
goto bad;
invalid_keyword:
PyErr_Format(PyExc_TypeError,
#if PY_MAJOR_VERSION < 3
"%.200s() got an unexpected keyword argument '%.200s'",
function_name, PyString_AsString(key));
#else
"%s() got an unexpected keyword argument '%U'",
function_name, key);
#endif
bad:
return -1;
}
static void __Pyx_RaiseArgumentTypeInvalid(const char* name, PyObject *obj, PyTypeObject *type) {
PyErr_Format(PyExc_TypeError,
"Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
name, type->tp_name, Py_TYPE(obj)->tp_name);
}
static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
const char *name, int exact)
{
if (unlikely(!type)) {
PyErr_SetString(PyExc_SystemError, "Missing type object");
return 0;
}
if (none_allowed && obj == Py_None) return 1;
else if (exact) {
if (likely(Py_TYPE(obj) == type)) return 1;
#if PY_MAJOR_VERSION == 2
else if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
#endif
}
else {
if (likely(PyObject_TypeCheck(obj, type))) return 1;
}
__Pyx_RaiseArgumentTypeInvalid(name, obj, type);
return 0;
}
static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
PyObject *result;
#if CYTHON_COMPILING_IN_CPYTHON
result = PyDict_GetItem(__pyx_d, name);
if (likely(result)) {
Py_INCREF(result);
} else {
#else
result = PyObject_GetItem(__pyx_d, name);
if (!result) {
PyErr_Clear();
#endif
result = __Pyx_GetBuiltinName(name);
}
return result;
}
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
PyObject *self, *result;
PyCFunction cfunc;
cfunc = PyCFunction_GET_FUNCTION(func);
self = PyCFunction_GET_SELF(func);
if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
return NULL;
result = cfunc(self, arg);
Py_LeaveRecursiveCall();
if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
PyErr_SetString(
PyExc_SystemError,
"NULL result without error in PyObject_Call");
}
return result;
}
#endif
#if CYTHON_COMPILING_IN_CPYTHON
static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
PyObject *result;
PyObject *args = PyTuple_New(1);
if (unlikely(!args)) return NULL;
Py_INCREF(arg);
PyTuple_SET_ITEM(args, 0, arg);
result = __Pyx_PyObject_Call(func, args, NULL);
Py_DECREF(args);
return result;
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
#ifdef __Pyx_CyFunction_USED
if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
#else
if (likely(PyCFunction_Check(func))) {
#endif
if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
return __Pyx_PyObject_CallMethO(func, arg);
}
}
return __Pyx__PyObject_CallOneArg(func, arg);
}
#else
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
PyObject* args = PyTuple_Pack(1, arg);
return (likely(args)) ? __Pyx_PyObject_Call(func, args, NULL) : NULL;
}
#endif
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
#ifdef __Pyx_CyFunction_USED
if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
#else
if (likely(PyCFunction_Check(func))) {
#endif
if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
return __Pyx_PyObject_CallMethO(func, NULL);
}
}
return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
}
#endif
static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
#if CYTHON_COMPILING_IN_CPYTHON
PyObject *tmp_type, *tmp_value, *tmp_tb;
PyThreadState *tstate = PyThreadState_GET();
tmp_type = tstate->curexc_type;
tmp_value = tstate->curexc_value;
tmp_tb = tstate->curexc_traceback;
tstate->curexc_type = type;
tstate->curexc_value = value;
tstate->curexc_traceback = tb;
Py_XDECREF(tmp_type);
Py_XDECREF(tmp_value);
Py_XDECREF(tmp_tb);
#else
PyErr_Restore(type, value, tb);
#endif
}
static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
#if CYTHON_COMPILING_IN_CPYTHON
PyThreadState *tstate = PyThreadState_GET();
*type = tstate->curexc_type;
*value = tstate->curexc_value;
*tb = tstate->curexc_traceback;
tstate->curexc_type = 0;
tstate->curexc_value = 0;
tstate->curexc_traceback = 0;
#else
PyErr_Fetch(type, value, tb);
#endif
}
#if PY_MAJOR_VERSION < 3
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
CYTHON_UNUSED PyObject *cause) {
Py_XINCREF(type);
if (!value || value == Py_None)
value = NULL;
else
Py_INCREF(value);
if (!tb || tb == Py_None)
tb = NULL;
else {
Py_INCREF(tb);
if (!PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto raise_error;
}
}
if (PyType_Check(type)) {
#if CYTHON_COMPILING_IN_PYPY
if (!value) {
Py_INCREF(Py_None);
value = Py_None;
}
#endif
PyErr_NormalizeException(&type, &value, &tb);
} else {
if (value) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto raise_error;
}
value = type;
type = (PyObject*) Py_TYPE(type);
Py_INCREF(type);
if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto raise_error;
}
}
__Pyx_ErrRestore(type, value, tb);
return;
raise_error:
Py_XDECREF(value);
Py_XDECREF(type);
Py_XDECREF(tb);
return;
}
#else
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
PyObject* owned_instance = NULL;
if (tb == Py_None) {
tb = 0;
} else if (tb && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto bad;
}
if (value == Py_None)
value = 0;
if (PyExceptionInstance_Check(type)) {
if (value) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto bad;
}
value = type;
type = (PyObject*) Py_TYPE(value);
} else if (PyExceptionClass_Check(type)) {
PyObject *instance_class = NULL;
if (value && PyExceptionInstance_Check(value)) {
instance_class = (PyObject*) Py_TYPE(value);
if (instance_class != type) {
int is_subclass = PyObject_IsSubclass(instance_class, type);
if (!is_subclass) {
instance_class = NULL;
} else if (unlikely(is_subclass == -1)) {
goto bad;
} else {
type = instance_class;
}
}
}
if (!instance_class) {
PyObject *args;
if (!value)
args = PyTuple_New(0);
else if (PyTuple_Check(value)) {
Py_INCREF(value);
args = value;
} else
args = PyTuple_Pack(1, value);
if (!args)
goto bad;
owned_instance = PyObject_Call(type, args, NULL);
Py_DECREF(args);
if (!owned_instance)
goto bad;
value = owned_instance;
if (!PyExceptionInstance_Check(value)) {
PyErr_Format(PyExc_TypeError,
"calling %R should have returned an instance of "
"BaseException, not %R",
type, Py_TYPE(value));
goto bad;
}
}
} else {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto bad;
}
#if PY_VERSION_HEX >= 0x03030000
if (cause) {
#else
if (cause && cause != Py_None) {
#endif
PyObject *fixed_cause;
if (cause == Py_None) {
fixed_cause = NULL;
} else if (PyExceptionClass_Check(cause)) {
fixed_cause = PyObject_CallObject(cause, NULL);
if (fixed_cause == NULL)
goto bad;
} else if (PyExceptionInstance_Check(cause)) {
fixed_cause = cause;
Py_INCREF(fixed_cause);
} else {
PyErr_SetString(PyExc_TypeError,
"exception causes must derive from "
"BaseException");
goto bad;
}
PyException_SetCause(value, fixed_cause);
}
PyErr_SetObject(type, value);
if (tb) {
#if CYTHON_COMPILING_IN_PYPY
PyObject *tmp_type, *tmp_value, *tmp_tb;
PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
Py_INCREF(tb);
PyErr_Restore(tmp_type, tmp_value, tb);
Py_XDECREF(tmp_tb);
#else
PyThreadState *tstate = PyThreadState_GET();
PyObject* tmp_tb = tstate->curexc_traceback;
if (tb != tmp_tb) {
Py_INCREF(tb);
tstate->curexc_traceback = tb;
Py_XDECREF(tmp_tb);
}
#endif
}
bad:
Py_XDECREF(owned_instance);
return;
}
#endif
static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
if (unlikely(!type)) {
PyErr_SetString(PyExc_SystemError, "Missing type object");
return 0;
}
if (likely(PyObject_TypeCheck(obj, type)))
return 1;
PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
Py_TYPE(obj)->tp_name, type->tp_name);
return 0;
}
static CYTHON_INLINE 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 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)
PyErr_Format(PyExc_ValueError,\
"Does not understand character buffer dtype format string ('%c')", **ts);
return number;
}
static void __Pyx_BufFmt_RaiseUnexpectedChar(char ch) {
PyErr_Format(PyExc_ValueError,
"Unexpected format string character: '%c'", ch);
}
static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
switch (ch) {
case 'c': return "'char'";
case 'b': return "'signed char'";
case 'B': return "'unsigned char'";
case 'h': return "'short'";
case 'H': return "'unsigned short'";
case 'i': return "'int'";
case 'I': return "'unsigned int'";
case 'l': return "'long'";
case 'L': return "'unsigned long'";
case 'q': return "'long long'";
case 'Q': return "'unsigned long long'";
case 'f': return (is_complex ? "'complex float'" : "'float'");
case 'd': return (is_complex ? "'complex double'" : "'double'");
case 'g': return (is_complex ? "'complex long double'" : "'long double'");
case 'T': return "a struct";
case 'O': return "Python object";
case 'P': return "a pointer";
case 's': case 'p': return "a string";
case 0: return "end";
default: return "unparseable format string";
}
}
static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
switch (ch) {
case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
case 'h': case 'H': return 2;
case 'i': case 'I': case 'l': case 'L': return 4;
case 'q': case 'Q': return 8;
case 'f': return (is_complex ? 8 : 4);
case 'd': return (is_complex ? 16 : 8);
case 'g': {
PyErr_SetString(PyExc_ValueError, "Python does not define a standard format string size for long double ('g')..");
return 0;
}
case 'O': case 'P': return sizeof(void*);
default:
__Pyx_BufFmt_RaiseUnexpectedChar(ch);
return 0;
}
}
static size_t __Pyx_BufFmt_TypeCharToNativeSize(char ch, int is_complex) {
switch (ch) {
case 'c': case 'b': case 'B': case 's': case 'p': return 1;
case 'h': case 'H': return sizeof(short);
case 'i': case 'I': return sizeof(int);
case 'l': case 'L': return sizeof(long);
#ifdef HAVE_LONG_LONG
case 'q': case 'Q': return sizeof(PY_LONG_LONG);
#endif
case 'f': return sizeof(float) * (is_complex ? 2 : 1);
case 'd': return sizeof(double) * (is_complex ? 2 : 1);
case 'g': return sizeof(long double) * (is_complex ? 2 : 1);
case 'O': case 'P': return sizeof(void*);
default: {
__Pyx_BufFmt_RaiseUnexpectedChar(ch);
return 0;
}
}
}
typedef struct { char c; short x; } __Pyx_st_short;
typedef struct { char c; int x; } __Pyx_st_int;
typedef struct { char c; long x; } __Pyx_st_long;
typedef struct { char c; float x; } __Pyx_st_float;
typedef struct { char c; double x; } __Pyx_st_double;
typedef struct { char c; long double x; } __Pyx_st_longdouble;
typedef struct { char c; void *x; } __Pyx_st_void_p;
#ifdef HAVE_LONG_LONG
typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
#endif
static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, CYTHON_UNUSED int is_complex) {
switch (ch) {
case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
case 'i': case 'I': return sizeof(__Pyx_st_int) - sizeof(int);
case 'l': case 'L': return sizeof(__Pyx_st_long) - sizeof(long);
#ifdef HAVE_LONG_LONG
case 'q': case 'Q': return sizeof(__Pyx_st_longlong) - sizeof(PY_LONG_LONG);
#endif
case 'f': return sizeof(__Pyx_st_float) - sizeof(float);
case 'd': return sizeof(__Pyx_st_double) - sizeof(double);
case 'g': return sizeof(__Pyx_st_longdouble) - sizeof(long double);
case 'P': case 'O': return sizeof(__Pyx_st_void_p) - sizeof(void*);
default:
__Pyx_BufFmt_RaiseUnexpectedChar(ch);
return 0;
}
}
/* These are for computing the padding at the end of the struct to align
on the first member of the struct. This will probably the same as above,
but we don't have any guarantees.
*/
typedef struct { short x; char c; } __Pyx_pad_short;
typedef struct { int x; char c; } __Pyx_pad_int;
typedef struct { long x; char c; } __Pyx_pad_long;
typedef struct { float x; char c; } __Pyx_pad_float;
typedef struct { double x; char c; } __Pyx_pad_double;
typedef struct { long double x; char c; } __Pyx_pad_longdouble;
typedef struct { void *x; char c; } __Pyx_pad_void_p;
#ifdef HAVE_LONG_LONG
typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
#endif
static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, CYTHON_UNUSED int is_complex) {
switch (ch) {
case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
case 'i': case 'I': return sizeof(__Pyx_pad_int) - sizeof(int);
case 'l': case 'L': return sizeof(__Pyx_pad_long) - sizeof(long);
#ifdef HAVE_LONG_LONG
case 'q': case 'Q': return sizeof(__Pyx_pad_longlong) - sizeof(PY_LONG_LONG);
#endif
case 'f': return sizeof(__Pyx_pad_float) - sizeof(float);
case 'd': return sizeof(__Pyx_pad_double) - sizeof(double);
case 'g': return sizeof(__Pyx_pad_longdouble) - sizeof(long double);
case 'P': case 'O': return sizeof(__Pyx_pad_void_p) - sizeof(void*);
default:
__Pyx_BufFmt_RaiseUnexpectedChar(ch);
return 0;
}
}
static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) {
switch (ch) {
case 'c':
return 'H';
case 'b': case 'h': case 'i':
case 'l': case 'q': case 's': case 'p':
return 'I';
case 'B': case 'H': case 'I': case 'L': case 'Q':
return 'U';
case 'f': case 'd': case 'g':
return (is_complex ? 'C' : 'R');
case 'O':
return 'O';
case 'P':
return 'P';
default: {
__Pyx_BufFmt_RaiseUnexpectedChar(ch);
return 0;
}
}
}
static void __Pyx_BufFmt_RaiseExpected(__Pyx_BufFmt_Context* ctx) {
if (ctx->head == NULL || ctx->head->field == &ctx->root) {
const char* expected;
const char* quote;
if (ctx->head == NULL) {
expected = "end";
quote = "";
} else {
expected = ctx->head->field->type->name;
quote = "'";
}
PyErr_Format(PyExc_ValueError,
"Buffer dtype mismatch, expected %s%s%s but got %s",
quote, expected, quote,
__Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex));
} else {
__Pyx_StructField* field = ctx->head->field;
__Pyx_StructField* parent = (ctx->head - 1)->field;
PyErr_Format(PyExc_ValueError,
"Buffer dtype mismatch, expected '%s' but got %s in '%s.%s'",
field->type->name, __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex),
parent->type->name, field->name);
}
}
static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
char group;
size_t size, offset, arraysize = 1;
if (ctx->enc_type == 0) return 0;
if (ctx->head->field->type->arraysize[0]) {
int i, ndim = 0;
if (ctx->enc_type == 's' || ctx->enc_type == 'p') {
ctx->is_valid_array = ctx->head->field->type->ndim == 1;
ndim = 1;
if (ctx->enc_count != ctx->head->field->type->arraysize[0]) {
PyErr_Format(PyExc_ValueError,
"Expected a dimension of size %zu, got %zu",
ctx->head->field->type->arraysize[0], ctx->enc_count);
return -1;
}
}
if (!ctx->is_valid_array) {
PyErr_Format(PyExc_ValueError, "Expected %d dimensions, got %d",
ctx->head->field->type->ndim, ndim);
return -1;
}
for (i = 0; i < ctx->head->field->type->ndim; i++) {
arraysize *= ctx->head->field->type->arraysize[i];
}
ctx->is_valid_array = 0;
ctx->enc_count = 1;
}
group = __Pyx_BufFmt_TypeCharToGroup(ctx->enc_type, ctx->is_complex);
do {
__Pyx_StructField* field = ctx->head->field;
__Pyx_TypeInfo* type = field->type;
if (ctx->enc_packmode == '@' || ctx->enc_packmode == '^') {
size = __Pyx_BufFmt_TypeCharToNativeSize(ctx->enc_type, ctx->is_complex);
} else {
size = __Pyx_BufFmt_TypeCharToStandardSize(ctx->enc_type, ctx->is_complex);
}
if (ctx->enc_packmode == '@') {
size_t align_at = __Pyx_BufFmt_TypeCharToAlignment(ctx->enc_type, ctx->is_complex);
size_t align_mod_offset;
if (align_at == 0) return -1;
align_mod_offset = ctx->fmt_offset % align_at;
if (align_mod_offset > 0) ctx->fmt_offset += align_at - align_mod_offset;
if (ctx->struct_alignment == 0)
ctx->struct_alignment = __Pyx_BufFmt_TypeCharToPadding(ctx->enc_type,
ctx->is_complex);
}
if (type->size != size || type->typegroup != group) {
if (type->typegroup == 'C' && type->fields != NULL) {
size_t parent_offset = ctx->head->parent_offset + field->offset;
++ctx->head;
ctx->head->field = type->fields;
ctx->head->parent_offset = parent_offset;
continue;
}
if ((type->typegroup == 'H' || group == 'H') && type->size == size) {
} else {
__Pyx_BufFmt_RaiseExpected(ctx);
return -1;
}
}
offset = ctx->head->parent_offset + field->offset;
if (ctx->fmt_offset != offset) {
PyErr_Format(PyExc_ValueError,
"Buffer dtype mismatch; next field is at offset %" CYTHON_FORMAT_SSIZE_T "d but %" CYTHON_FORMAT_SSIZE_T "d expected",
(Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
return -1;
}
ctx->fmt_offset += size;
if (arraysize)
ctx->fmt_offset += (arraysize - 1) * size;
--ctx->enc_count;
while (1) {
if (field == &ctx->root) {
ctx->head = NULL;
if (ctx->enc_count != 0) {
__Pyx_BufFmt_RaiseExpected(ctx);
return -1;
}
break;
}
ctx->head->field = ++field;
if (field->type == NULL) {
--ctx->head;
field = ctx->head->field;
continue;
} else if (field->type->typegroup == 'S') {
size_t parent_offset = ctx->head->parent_offset + field->offset;
if (field->type->fields->type == NULL) continue;
field = field->type->fields;
++ctx->head;
ctx->head->field = field;
ctx->head->parent_offset = parent_offset;
break;
} else {
break;
}
}
} while (ctx->enc_count);
ctx->enc_type = 0;
ctx->is_complex = 0;
return 0;
}
static CYTHON_INLINE PyObject *
__pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
{
const char *ts = *tsp;
int i = 0, number;
int ndim = ctx->head->field->type->ndim;
;
++ts;
if (ctx->new_count != 1) {
PyErr_SetString(PyExc_ValueError,
"Cannot handle repeated arrays in format string");
return NULL;
}
if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
while (*ts && *ts != ')') {
switch (*ts) {
case ' ': case '\f': case '\r': case '\n': case '\t': case '\v': continue;
default: break;
}
number = __Pyx_BufFmt_ExpectNumber(&ts);
if (number == -1) return NULL;
if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
return PyErr_Format(PyExc_ValueError,
"Expected a dimension of size %zu, got %d",
ctx->head->field->type->arraysize[i], number);
if (*ts != ',' && *ts != ')')
return PyErr_Format(PyExc_ValueError,
"Expected a comma in format string, got '%c'", *ts);
if (*ts == ',') ts++;
i++;
}
if (i != ndim)
return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
ctx->head->field->type->ndim, i);
if (!*ts) {
PyErr_SetString(PyExc_ValueError,
"Unexpected end of format string, expected ')'");
return NULL;
}
ctx->is_valid_array = 1;
ctx->new_count = 1;
*tsp = ++ts;
return Py_None;
}
static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
int got_Z = 0;
while (1) {
switch(*ts) {
case 0:
if (ctx->enc_type != 0 && ctx->head == NULL) {
__Pyx_BufFmt_RaiseExpected(ctx);
return NULL;
}
if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
if (ctx->head != NULL) {
__Pyx_BufFmt_RaiseExpected(ctx);
return NULL;
}
return ts;
case ' ':
case '\r':
case '\n':
++ts;
break;
case '<':
if (!__Pyx_IsLittleEndian()) {
PyErr_SetString(PyExc_ValueError, "Little-endian buffer not supported on big-endian compiler");
return NULL;
}
ctx->new_packmode = '=';
++ts;
break;
case '>':
case '!':
if (__Pyx_IsLittleEndian()) {
PyErr_SetString(PyExc_ValueError, "Big-endian buffer not supported on little-endian compiler");
return NULL;
}
ctx->new_packmode = '=';
++ts;
break;
case '=':
case '@':
case '^':
ctx->new_packmode = *ts++;
break;
case 'T':
{
const char* ts_after_sub;
size_t i, struct_count = ctx->new_count;
size_t struct_alignment = ctx->struct_alignment;
ctx->new_count = 1;
++ts;
if (*ts != '{') {
PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'");
return NULL;
}
if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
ctx->enc_type = 0;
ctx->enc_count = 0;
ctx->struct_alignment = 0;
++ts;
ts_after_sub = ts;
for (i = 0; i != struct_count; ++i) {
ts_after_sub = __Pyx_BufFmt_CheckString(ctx, ts);
if (!ts_after_sub) return NULL;
}
ts = ts_after_sub;
if (struct_alignment) ctx->struct_alignment = struct_alignment;
}
break;
case '}':
{
size_t alignment = ctx->struct_alignment;
++ts;
if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
ctx->enc_type = 0;
if (alignment && ctx->fmt_offset % alignment) {
ctx->fmt_offset += alignment - (ctx->fmt_offset % alignment);
}
}
return ts;
case 'x':
if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
ctx->fmt_offset += ctx->new_count;
ctx->new_count = 1;
ctx->enc_count = 0;
ctx->enc_type = 0;
ctx->enc_packmode = ctx->new_packmode;
++ts;
break;
case 'Z':
got_Z = 1;
++ts;
if (*ts != 'f' && *ts != 'd' && *ts != 'g') {
__Pyx_BufFmt_RaiseUnexpectedChar('Z');
return NULL;
}
case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I':
case 'l': case 'L': case 'q': case 'Q':
case 'f': case 'd': case 'g':
case 'O': case 'p':
if (ctx->enc_type == *ts && got_Z == ctx->is_complex &&
ctx->enc_packmode == ctx->new_packmode) {
ctx->enc_count += ctx->new_count;
ctx->new_count = 1;
got_Z = 0;
++ts;
break;
}
case 's':
if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
ctx->enc_count = ctx->new_count;
ctx->enc_packmode = ctx->new_packmode;
ctx->enc_type = *ts;
ctx->is_complex = got_Z;
++ts;
ctx->new_count = 1;
got_Z = 0;
break;
case ':':
++ts;
while(*ts != ':') ++ts;
++ts;
break;
case '(':
if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
break;
default:
{
int number = __Pyx_BufFmt_ExpectNumber(&ts);
if (number == -1) return NULL;
ctx->new_count = (size_t)number;
}
}
}
}
static CYTHON_INLINE void __Pyx_ZeroBuffer(Py_buffer* buf) {
buf->buf = NULL;
buf->obj = NULL;
buf->strides = __Pyx_zeros;
buf->shape = __Pyx_zeros;
buf->suboffsets = __Pyx_minusones;
}
static CYTHON_INLINE int __Pyx_GetBufferAndValidate(
Py_buffer* buf, PyObject* obj, __Pyx_TypeInfo* dtype, int flags,
int nd, int cast, __Pyx_BufFmt_StackElem* stack)
{
if (obj == Py_None || obj == NULL) {
__Pyx_ZeroBuffer(buf);
return 0;
}
buf->buf = NULL;
if (__Pyx_GetBuffer(obj, buf, flags) == -1) goto fail;
if (buf->ndim != nd) {
PyErr_Format(PyExc_ValueError,
"Buffer has wrong number of dimensions (expected %d, got %d)",
nd, buf->ndim);
goto fail;
}
if (!cast) {
__Pyx_BufFmt_Context ctx;
__Pyx_BufFmt_Init(&ctx, stack, dtype);
if (!__Pyx_BufFmt_CheckString(&ctx, buf->format)) goto fail;
}
if ((unsigned)buf->itemsize != dtype->size) {
PyErr_Format(PyExc_ValueError,
"Item size of buffer (%" CYTHON_FORMAT_SSIZE_T "d byte%s) does not match size of '%s' (%" CYTHON_FORMAT_SSIZE_T "d byte%s)",
buf->itemsize, (buf->itemsize > 1) ? "s" : "",
dtype->name, (Py_ssize_t)dtype->size, (dtype->size > 1) ? "s" : "");
goto fail;
}
if (buf->suboffsets == NULL) buf->suboffsets = __Pyx_minusones;
return 0;
fail:;
__Pyx_ZeroBuffer(buf);
return -1;
}
static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) {
if (info->buf == NULL) return;
if (info->suboffsets == __Pyx_minusones) info->suboffsets = NULL;
__Pyx_ReleaseBuffer(info);
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
PyObject *r;
if (!j) return NULL;
r = PyObject_GetItem(o, j);
Py_DECREF(j);
return r;
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
CYTHON_NCP_UNUSED int wraparound,
CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_COMPILING_IN_CPYTHON
if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
PyObject *r = PyList_GET_ITEM(o, i);
Py_INCREF(r);
return r;
}
return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
CYTHON_NCP_UNUSED int wraparound,
CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_COMPILING_IN_CPYTHON
if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
PyObject *r = PyTuple_GET_ITEM(o, i);
Py_INCREF(r);
return r;
}
return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
CYTHON_NCP_UNUSED int wraparound,
CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_COMPILING_IN_CPYTHON
if (is_list || PyList_CheckExact(o)) {
Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
PyObject *r = PyList_GET_ITEM(o, n);
Py_INCREF(r);
return r;
}
}
else if (PyTuple_CheckExact(o)) {
Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
PyObject *r = PyTuple_GET_ITEM(o, n);
Py_INCREF(r);
return r;
}
} else {
PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
if (likely(m && m->sq_item)) {
if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
Py_ssize_t l = m->sq_length(o);
if (likely(l >= 0)) {
i += l;
} else {
if (PyErr_ExceptionMatches(PyExc_OverflowError))
PyErr_Clear();
else
return NULL;
}
}
return m->sq_item(o, i);
}
}
#else
if (is_list || PySequence_Check(o)) {
return PySequence_GetItem(o, i);
}
#endif
return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
}
static void __Pyx_RaiseBufferFallbackError(void) {
PyErr_SetString(PyExc_ValueError,
"Buffer acquisition failed on assignment; and then reacquiring the old buffer failed too!");
}
static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
}
static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
#if PY_VERSION_HEX >= 0x02070000
PyObject *ob = PyCapsule_New(vtable, 0, 0);
#else
PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
#endif
if (!ob)
goto bad;
if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
goto bad;
Py_DECREF(ob);
return 0;
bad:
Py_XDECREF(ob);
return -1;
}
static void* __Pyx_GetVtable(PyObject *dict) {
void* ptr;
PyObject *ob = PyObject_GetItem(dict, __pyx_n_s_pyx_vtable);
if (!ob)
goto bad;
#if PY_VERSION_HEX >= 0x02070000
ptr = PyCapsule_GetPointer(ob, 0);
#else
ptr = PyCObject_AsVoidPtr(ob);
#endif
if (!ptr && !PyErr_Occurred())
PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
Py_DECREF(ob);
return ptr;
bad:
Py_XDECREF(ob);
return NULL;
}
static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
PyErr_Format(PyExc_ImportError,
#if PY_MAJOR_VERSION < 3
"cannot import name %.230s", PyString_AS_STRING(name));
#else
"cannot import name %S", name);
#endif
}
return value;
}
static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
int start = 0, mid = 0, end = count - 1;
if (end >= 0 && code_line > entries[end].code_line) {
return count;
}
while (start < end) {
mid = (start + end) / 2;
if (code_line < entries[mid].code_line) {
end = mid;
} else if (code_line > entries[mid].code_line) {
start = mid + 1;
} else {
return mid;
}
}
if (code_line <= entries[mid].code_line) {
return mid;
} else {
return mid + 1;
}
}
static PyCodeObject *__pyx_find_code_object(int code_line) {
PyCodeObject* code_object;
int pos;
if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
return NULL;
}
pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
return NULL;
}
code_object = __pyx_code_cache.entries[pos].code_object;
Py_INCREF(code_object);
return code_object;
}
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
int pos, i;
__Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
if (unlikely(!code_line)) {
return;
}
if (unlikely(!entries)) {
entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
if (likely(entries)) {
__pyx_code_cache.entries = entries;
__pyx_code_cache.max_count = 64;
__pyx_code_cache.count = 1;
entries[0].code_line = code_line;
entries[0].code_object = code_object;
Py_INCREF(code_object);
}
return;
}
pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
PyCodeObject* tmp = entries[pos].code_object;
entries[pos].code_object = code_object;
Py_DECREF(tmp);
return;
}
if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
int new_max = __pyx_code_cache.max_count + 64;
entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
__pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
if (unlikely(!entries)) {
return;
}
__pyx_code_cache.entries = entries;
__pyx_code_cache.max_count = new_max;
}
for (i=__pyx_code_cache.count; i>pos; i--) {
entries[i] = entries[i-1];
}
entries[pos].code_line = code_line;
entries[pos].code_object = code_object;
__pyx_code_cache.count++;
Py_INCREF(code_object);
}
#include "compile.h"
#include "frameobject.h"
#include "traceback.h"
static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
const char *funcname, int c_line,
int py_line, const char *filename) {
PyCodeObject *py_code = 0;
PyObject *py_srcfile = 0;
PyObject *py_funcname = 0;
#if PY_MAJOR_VERSION < 3
py_srcfile = PyString_FromString(filename);
#else
py_srcfile = PyUnicode_FromString(filename);
#endif
if (!py_srcfile) goto bad;
if (c_line) {
#if PY_MAJOR_VERSION < 3
py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
#else
py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
#endif
}
else {
#if PY_MAJOR_VERSION < 3
py_funcname = PyString_FromString(funcname);
#else
py_funcname = PyUnicode_FromString(funcname);
#endif
}
if (!py_funcname) goto bad;
py_code = __Pyx_PyCode_New(
0,
0,
0,
0,
0,
__pyx_empty_bytes, /*PyObject *code,*/
__pyx_empty_tuple, /*PyObject *consts,*/
__pyx_empty_tuple, /*PyObject *names,*/
__pyx_empty_tuple, /*PyObject *varnames,*/
__pyx_empty_tuple, /*PyObject *freevars,*/
__pyx_empty_tuple, /*PyObject *cellvars,*/
py_srcfile, /*PyObject *filename,*/
py_funcname, /*PyObject *name,*/
py_line,
__pyx_empty_bytes /*PyObject *lnotab*/
);
Py_DECREF(py_srcfile);
Py_DECREF(py_funcname);
return py_code;
bad:
Py_XDECREF(py_srcfile);
Py_XDECREF(py_funcname);
return NULL;
}
static void __Pyx_AddTraceback(const char *funcname, int c_line,
int py_line, const char *filename) {
PyCodeObject *py_code = 0;
PyFrameObject *py_frame = 0;
py_code = __pyx_find_code_object(c_line ? c_line : py_line);
if (!py_code) {
py_code = __Pyx_CreateCodeObjectForTraceback(
funcname, c_line, py_line, filename);
if (!py_code) goto bad;
__pyx_insert_code_object(c_line ? c_line : py_line, py_code);
}
py_frame = PyFrame_New(
PyThreadState_GET(), /*PyThreadState *tstate,*/
py_code, /*PyCodeObject *code,*/
__pyx_d, /*PyObject *globals,*/
0 /*PyObject *locals*/
);
if (!py_frame) goto bad;
py_frame->f_lineno = py_line;
PyTraceBack_Here(py_frame);
bad:
Py_XDECREF(py_code);
Py_XDECREF(py_frame);
}
static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
PyObject *empty_list = 0;
PyObject *module = 0;
PyObject *global_dict = 0;
PyObject *empty_dict = 0;
PyObject *list;
#if PY_VERSION_HEX < 0x03030000
PyObject *py_import;
py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
if (!py_import)
goto bad;
#endif
if (from_list)
list = from_list;
else {
empty_list = PyList_New(0);
if (!empty_list)
goto bad;
list = empty_list;
}
global_dict = PyModule_GetDict(__pyx_m);
if (!global_dict)
goto bad;
empty_dict = PyDict_New();
if (!empty_dict)
goto bad;
{
#if PY_MAJOR_VERSION >= 3
if (level == -1) {
if (strchr(__Pyx_MODULE_NAME, '.')) {
#if PY_VERSION_HEX < 0x03030000
PyObject *py_level = PyInt_FromLong(1);
if (!py_level)
goto bad;
module = PyObject_CallFunctionObjArgs(py_import,
name, global_dict, empty_dict, list, py_level, NULL);
Py_DECREF(py_level);
#else
module = PyImport_ImportModuleLevelObject(
name, global_dict, empty_dict, list, 1);
#endif
if (!module) {
if (!PyErr_ExceptionMatches(PyExc_ImportError))
goto bad;
PyErr_Clear();
}
}
level = 0;
}
#endif
if (!module) {
#if PY_VERSION_HEX < 0x03030000
PyObject *py_level = PyInt_FromLong(level);
if (!py_level)
goto bad;
module = PyObject_CallFunctionObjArgs(py_import,
name, global_dict, empty_dict, list, py_level, NULL);
Py_DECREF(py_level);
#else
module = PyImport_ImportModuleLevelObject(
name, global_dict, empty_dict, list, level);
#endif
}
}
bad:
#if PY_VERSION_HEX < 0x03030000
Py_XDECREF(py_import);
#endif
Py_XDECREF(empty_list);
Py_XDECREF(empty_dict);
return module;
}
#if PY_MAJOR_VERSION < 3
static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pw_5numpy_7ndarray_1__getbuffer__(obj, view, flags);
PyErr_Format(PyExc_TypeError, "'%.200s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
return -1;
}
static void __Pyx_ReleaseBuffer(Py_buffer *view) {
PyObject *obj = view->obj;
if (!obj) return;
if (PyObject_CheckBuffer(obj)) {
PyBuffer_Release(view);
return;
}
if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) { __pyx_pw_5numpy_7ndarray_3__releasebuffer__(obj, view); return; }
Py_DECREF(obj);
view->obj = NULL;
}
#endif
#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value) \
{ \
func_type value = func_value; \
if (sizeof(target_type) < sizeof(func_type)) { \
if (unlikely(value != (func_type) (target_type) value)) { \
func_type zero = 0; \
if (is_unsigned && unlikely(value < zero)) \
goto raise_neg_overflow; \
else \
goto raise_overflow; \
} \
} \
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(x))
} else {
long val = PyInt_AS_LONG(x);
if (is_unsigned && unlikely(val < 0)) {
goto raise_neg_overflow;
}
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
switch (Py_SIZE(x)) {
case 0: return 0;
case 1: __PYX_VERIFY_RETURN_INT(Py_intptr_t, digit, ((PyLongObject*)x)->ob_digit[0]);
}
#endif
#endif
#if CYTHON_COMPILING_IN_CPYTHON
if (unlikely(Py_SIZE(x) < 0)) {
goto raise_neg_overflow;
}
#else
{
int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
if (unlikely(result < 0))
return (Py_intptr_t) -1;
if (unlikely(result == 1))
goto raise_neg_overflow;
}
#endif
if (sizeof(Py_intptr_t) <= sizeof(unsigned long)) {
__PYX_VERIFY_RETURN_INT(Py_intptr_t, unsigned long, PyLong_AsUnsignedLong(x))
} else if (sizeof(Py_intptr_t) <= sizeof(unsigned PY_LONG_LONG)) {
__PYX_VERIFY_RETURN_INT(Py_intptr_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
}
} else {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
#if CYTHON_USE_PYLONG_INTERNALS
switch (Py_SIZE(x)) {
case 0: return 0;
case 1: __PYX_VERIFY_RETURN_INT(Py_intptr_t, digit, +(((PyLongObject*)x)->ob_digit[0]));
case -1: __PYX_VERIFY_RETURN_INT(Py_intptr_t, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
}
#endif
#endif
if (sizeof(Py_intptr_t) <= sizeof(long)) {
__PYX_VERIFY_RETURN_INT(Py_intptr_t, long, PyLong_AsLong(x))
} else if (sizeof(Py_intptr_t) <= sizeof(PY_LONG_LONG)) {
__PYX_VERIFY_RETURN_INT(Py_intptr_t, PY_LONG_LONG, PyLong_AsLongLong(x))
}
}
{
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
PyErr_SetString(PyExc_RuntimeError,
"_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
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;
}
raise_overflow:
PyErr_SetString(PyExc_OverflowError,
"value too large to convert to Py_intptr_t");
return (Py_intptr_t) -1;
raise_neg_overflow:
PyErr_SetString(PyExc_OverflowError,
"can't convert negative value to Py_intptr_t");
return (Py_intptr_t) -1;
}
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(x))
} else {
long val = PyInt_AS_LONG(x);
if (is_unsigned && unlikely(val < 0)) {
goto raise_neg_overflow;
}
return (int) val;
}
} else
#endif
if (likely(PyLong_Check(x))) {
if (is_unsigned) {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
#if CYTHON_USE_PYLONG_INTERNALS
switch (Py_SIZE(x)) {
case 0: return 0;
case 1: __PYX_VERIFY_RETURN_INT(int, digit, ((PyLongObject*)x)->ob_digit[0]);
}
#endif
#endif
#if CYTHON_COMPILING_IN_CPYTHON
if (unlikely(Py_SIZE(x) < 0)) {
goto raise_neg_overflow;
}
#else
{
int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
if (unlikely(result < 0))
return (int) -1;
if (unlikely(result == 1))
goto raise_neg_overflow;
}
#endif
if (sizeof(int) <= sizeof(unsigned long)) {
__PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong(x))
} else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
__PYX_VERIFY_RETURN_INT(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
}
} else {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
#if CYTHON_USE_PYLONG_INTERNALS
switch (Py_SIZE(x)) {
case 0: return 0;
case 1: __PYX_VERIFY_RETURN_INT(int, digit, +(((PyLongObject*)x)->ob_digit[0]));
case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
}
#endif
#endif
if (sizeof(int) <= sizeof(long)) {
__PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong(x))
} else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
__PYX_VERIFY_RETURN_INT(int, PY_LONG_LONG, PyLong_AsLongLong(x))
}
}
{
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
PyErr_SetString(PyExc_RuntimeError,
"_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
int val;
PyObject *v = __Pyx_PyNumber_Int(x);
#if PY_MAJOR_VERSION < 3
if (likely(v) && !PyLong_Check(v)) {
PyObject *tmp = v;
v = PyNumber_Long(tmp);
Py_DECREF(tmp);
}
#endif
if (likely(v)) {
int one = 1; int is_little = (int)*(unsigned char *)&one;
unsigned char *bytes = (unsigned char *)&val;
int ret = _PyLong_AsByteArray((PyLongObject *)v,
bytes, sizeof(val),
is_little, !is_unsigned);
Py_DECREF(v);
if (likely(!ret))
return val;
}
#endif
return (int) -1;
}
} else {
int val;
PyObject *tmp = __Pyx_PyNumber_Int(x);
if (!tmp) return (int) -1;
val = __Pyx_PyInt_As_int(tmp);
Py_DECREF(tmp);
return val;
}
raise_overflow:
PyErr_SetString(PyExc_OverflowError,
"value too large to convert to int");
return (int) -1;
raise_neg_overflow:
PyErr_SetString(PyExc_OverflowError,
"can't convert negative value to int");
return (int) -1;
}
static CYTHON_INLINE long __Pyx_pow_long(long b, long e) {
long t = b;
switch (e) {
case 3:
t *= b;
case 2:
t *= b;
case 1:
return t;
case 0:
return 1;
}
#if 1
if (unlikely(e<0)) return 0;
#endif
t = 1;
while (likely(e)) {
t *= (b * (e&1)) | ((~e)&1); /* 1 or b */
b *= b;
e >>= 1;
}
return t;
}
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 PY_LONG_LONG)) {
return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
}
} else {
if (sizeof(Py_intptr_t) <= sizeof(long)) {
return PyInt_FromLong((long) value);
} else if (sizeof(Py_intptr_t) <= sizeof(PY_LONG_LONG)) {
return PyLong_FromLongLong((PY_LONG_LONG) value);
}
}
{
int one = 1; int little = (int)*(unsigned char *)&one;
unsigned char *bytes = (unsigned char *)&value;
return _PyLong_FromByteArray(bytes, sizeof(Py_intptr_t),
little, !is_unsigned);
}
}
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_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 PY_LONG_LONG)) {
return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
}
} else {
if (sizeof(int) <= sizeof(long)) {
return PyInt_FromLong((long) value);
} else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
return PyLong_FromLongLong((PY_LONG_LONG) value);
}
}
{
int one = 1; int little = (int)*(unsigned char *)&one;
unsigned char *bytes = (unsigned char *)&value;
return _PyLong_FromByteArray(bytes, sizeof(int),
little, !is_unsigned);
}
}
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_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 PY_LONG_LONG)) {
return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
}
} else {
if (sizeof(long) <= sizeof(long)) {
return PyInt_FromLong((long) value);
} else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
return PyLong_FromLongLong((PY_LONG_LONG) value);
}
}
{
int one = 1; int little = (int)*(unsigned char *)&one;
unsigned char *bytes = (unsigned char *)&value;
return _PyLong_FromByteArray(bytes, sizeof(long),
little, !is_unsigned);
}
}
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_npy_int32(npy_int32 value) {
const npy_int32 neg_one = (npy_int32) -1, const_zero = 0;
const int is_unsigned = neg_one > const_zero;
if (is_unsigned) {
if (sizeof(npy_int32) < sizeof(long)) {
return PyInt_FromLong((long) value);
} else if (sizeof(npy_int32) <= sizeof(unsigned long)) {
return PyLong_FromUnsignedLong((unsigned long) value);
} else if (sizeof(npy_int32) <= sizeof(unsigned PY_LONG_LONG)) {
return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
}
} else {
if (sizeof(npy_int32) <= sizeof(long)) {
return PyInt_FromLong((long) value);
} else if (sizeof(npy_int32) <= sizeof(PY_LONG_LONG)) {
return PyLong_FromLongLong((PY_LONG_LONG) value);
}
}
{
int one = 1; int little = (int)*(unsigned char *)&one;
unsigned char *bytes = (unsigned char *)&value;
return _PyLong_FromByteArray(bytes, sizeof(npy_int32),
little, !is_unsigned);
}
}
static CYTHON_INLINE npy_int32 __Pyx_PyInt_As_npy_int32(PyObject *x) {
const npy_int32 neg_one = (npy_int32) -1, const_zero = 0;
const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
if (likely(PyInt_Check(x))) {
if (sizeof(npy_int32) < sizeof(long)) {
__PYX_VERIFY_RETURN_INT(npy_int32, long, PyInt_AS_LONG(x))
} else {
long val = PyInt_AS_LONG(x);
if (is_unsigned && unlikely(val < 0)) {
goto raise_neg_overflow;
}
return (npy_int32) 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
switch (Py_SIZE(x)) {
case 0: return 0;
case 1: __PYX_VERIFY_RETURN_INT(npy_int32, digit, ((PyLongObject*)x)->ob_digit[0]);
}
#endif
#endif
#if CYTHON_COMPILING_IN_CPYTHON
if (unlikely(Py_SIZE(x) < 0)) {
goto raise_neg_overflow;
}
#else
{
int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
if (unlikely(result < 0))
return (npy_int32) -1;
if (unlikely(result == 1))
goto raise_neg_overflow;
}
#endif
if (sizeof(npy_int32) <= sizeof(unsigned long)) {
__PYX_VERIFY_RETURN_INT(npy_int32, unsigned long, PyLong_AsUnsignedLong(x))
} else if (sizeof(npy_int32) <= sizeof(unsigned PY_LONG_LONG)) {
__PYX_VERIFY_RETURN_INT(npy_int32, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
}
} else {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
#if CYTHON_USE_PYLONG_INTERNALS
switch (Py_SIZE(x)) {
case 0: return 0;
case 1: __PYX_VERIFY_RETURN_INT(npy_int32, digit, +(((PyLongObject*)x)->ob_digit[0]));
case -1: __PYX_VERIFY_RETURN_INT(npy_int32, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
}
#endif
#endif
if (sizeof(npy_int32) <= sizeof(long)) {
__PYX_VERIFY_RETURN_INT(npy_int32, long, PyLong_AsLong(x))
} else if (sizeof(npy_int32) <= sizeof(PY_LONG_LONG)) {
__PYX_VERIFY_RETURN_INT(npy_int32, PY_LONG_LONG, PyLong_AsLongLong(x))
}
}
{
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
PyErr_SetString(PyExc_RuntimeError,
"_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
npy_int32 val;
PyObject *v = __Pyx_PyNumber_Int(x);
#if PY_MAJOR_VERSION < 3
if (likely(v) && !PyLong_Check(v)) {
PyObject *tmp = v;
v = PyNumber_Long(tmp);
Py_DECREF(tmp);
}
#endif
if (likely(v)) {
int one = 1; int is_little = (int)*(unsigned char *)&one;
unsigned char *bytes = (unsigned char *)&val;
int ret = _PyLong_AsByteArray((PyLongObject *)v,
bytes, sizeof(val),
is_little, !is_unsigned);
Py_DECREF(v);
if (likely(!ret))
return val;
}
#endif
return (npy_int32) -1;
}
} else {
npy_int32 val;
PyObject *tmp = __Pyx_PyNumber_Int(x);
if (!tmp) return (npy_int32) -1;
val = __Pyx_PyInt_As_npy_int32(tmp);
Py_DECREF(tmp);
return val;
}
raise_overflow:
PyErr_SetString(PyExc_OverflowError,
"value too large to convert to npy_int32");
return (npy_int32) -1;
raise_neg_overflow:
PyErr_SetString(PyExc_OverflowError,
"can't convert negative value to npy_int32");
return (npy_int32) -1;
}
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
return ::std::complex< float >(x, y);
}
#else
static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
return x + y*(__pyx_t_float_complex)_Complex_I;
}
#endif
#else
static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
__pyx_t_float_complex z;
z.real = x;
z.imag = y;
return z;
}
#endif
#if CYTHON_CCOMPLEX
#else
static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
return (a.real == b.real) && (a.imag == b.imag);
}
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
__pyx_t_float_complex z;
z.real = a.real + b.real;
z.imag = a.imag + b.imag;
return z;
}
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex a, __pyx_t_float_complex b) {
__pyx_t_float_complex z;
z.real = a.real - b.real;
z.imag = a.imag - b.imag;
return z;
}
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
__pyx_t_float_complex z;
z.real = a.real * b.real - a.imag * b.imag;
z.imag = a.real * b.imag + a.imag * b.real;
return z;
}
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
__pyx_t_float_complex z;
float denom = b.real * b.real + b.imag * b.imag;
z.real = (a.real * b.real + a.imag * b.imag) / denom;
z.imag = (a.imag * b.real - a.real * b.imag) / denom;
return z;
}
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex a) {
__pyx_t_float_complex z;
z.real = -a.real;
z.imag = -a.imag;
return z;
}
static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex a) {
return (a.real == 0) && (a.imag == 0);
}
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex a) {
__pyx_t_float_complex z;
z.real = a.real;
z.imag = -a.imag;
return z;
}
#if 1
static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex z) {
#if !defined(HAVE_HYPOT) || defined(_MSC_VER)
return sqrtf(z.real*z.real + z.imag*z.imag);
#else
return hypotf(z.real, z.imag);
#endif
}
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
__pyx_t_float_complex z;
float r, lnr, theta, z_r, z_theta;
if (b.imag == 0 && b.real == (int)b.real) {
if (b.real < 0) {
float denom = a.real * a.real + a.imag * a.imag;
a.real = a.real / denom;
a.imag = -a.imag / denom;
b.real = -b.real;
}
switch ((int)b.real) {
case 0:
z.real = 1;
z.imag = 0;
return z;
case 1:
return a;
case 2:
z = __Pyx_c_prodf(a, a);
return __Pyx_c_prodf(a, a);
case 3:
z = __Pyx_c_prodf(a, a);
return __Pyx_c_prodf(z, a);
case 4:
z = __Pyx_c_prodf(a, a);
return __Pyx_c_prodf(z, z);
}
}
if (a.imag == 0) {
if (a.real == 0) {
return a;
}
r = a.real;
theta = 0;
} else {
r = __Pyx_c_absf(a);
theta = atan2f(a.imag, a.real);
}
lnr = logf(r);
z_r = expf(lnr * b.real - theta * b.imag);
z_theta = theta * b.real + lnr * b.imag;
z.real = z_r * cosf(z_theta);
z.imag = z_r * sinf(z_theta);
return z;
}
#endif
#endif
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
return ::std::complex< double >(x, y);
}
#else
static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
return x + y*(__pyx_t_double_complex)_Complex_I;
}
#endif
#else
static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
__pyx_t_double_complex z;
z.real = x;
z.imag = y;
return z;
}
#endif
#if CYTHON_CCOMPLEX
#else
static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex a, __pyx_t_double_complex b) {
return (a.real == b.real) && (a.imag == b.imag);
}
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex a, __pyx_t_double_complex b) {
__pyx_t_double_complex z;
z.real = a.real + b.real;
z.imag = a.imag + b.imag;
return z;
}
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex a, __pyx_t_double_complex b) {
__pyx_t_double_complex z;
z.real = a.real - b.real;
z.imag = a.imag - b.imag;
return z;
}
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex a, __pyx_t_double_complex b) {
__pyx_t_double_complex z;
z.real = a.real * b.real - a.imag * b.imag;
z.imag = a.real * b.imag + a.imag * b.real;
return z;
}
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex a, __pyx_t_double_complex b) {
__pyx_t_double_complex z;
double denom = b.real * b.real + b.imag * b.imag;
z.real = (a.real * b.real + a.imag * b.imag) / denom;
z.imag = (a.imag * b.real - a.real * b.imag) / denom;
return z;
}
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex a) {
__pyx_t_double_complex z;
z.real = -a.real;
z.imag = -a.imag;
return z;
}
static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex a) {
return (a.real == 0) && (a.imag == 0);
}
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex a) {
__pyx_t_double_complex z;
z.real = a.real;
z.imag = -a.imag;
return z;
}
#if 1
static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex z) {
#if !defined(HAVE_HYPOT) || defined(_MSC_VER)
return sqrt(z.real*z.real + z.imag*z.imag);
#else
return hypot(z.real, z.imag);
#endif
}
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex a, __pyx_t_double_complex b) {
__pyx_t_double_complex z;
double r, lnr, theta, z_r, z_theta;
if (b.imag == 0 && b.real == (int)b.real) {
if (b.real < 0) {
double denom = a.real * a.real + a.imag * a.imag;
a.real = a.real / denom;
a.imag = -a.imag / denom;
b.real = -b.real;
}
switch ((int)b.real) {
case 0:
z.real = 1;
z.imag = 0;
return z;
case 1:
return a;
case 2:
z = __Pyx_c_prod(a, a);
return __Pyx_c_prod(a, a);
case 3:
z = __Pyx_c_prod(a, a);
return __Pyx_c_prod(z, a);
case 4:
z = __Pyx_c_prod(a, a);
return __Pyx_c_prod(z, z);
}
}
if (a.imag == 0) {
if (a.real == 0) {
return a;
}
r = a.real;
theta = 0;
} else {
r = __Pyx_c_abs(a);
theta = atan2(a.imag, a.real);
}
lnr = log(r);
z_r = exp(lnr * b.real - theta * b.imag);
z_theta = theta * b.real + lnr * b.imag;
z.real = z_r * cos(z_theta);
z.imag = z_r * sin(z_theta);
return z;
}
#endif
#endif
static CYTHON_INLINE 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(x))
} else {
long val = PyInt_AS_LONG(x);
if (is_unsigned && unlikely(val < 0)) {
goto raise_neg_overflow;
}
return (long) val;
}
} else
#endif
if (likely(PyLong_Check(x))) {
if (is_unsigned) {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
#if CYTHON_USE_PYLONG_INTERNALS
switch (Py_SIZE(x)) {
case 0: return 0;
case 1: __PYX_VERIFY_RETURN_INT(long, digit, ((PyLongObject*)x)->ob_digit[0]);
}
#endif
#endif
#if CYTHON_COMPILING_IN_CPYTHON
if (unlikely(Py_SIZE(x) < 0)) {
goto raise_neg_overflow;
}
#else
{
int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
if (unlikely(result < 0))
return (long) -1;
if (unlikely(result == 1))
goto raise_neg_overflow;
}
#endif
if (sizeof(long) <= sizeof(unsigned long)) {
__PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong(x))
} else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
__PYX_VERIFY_RETURN_INT(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
}
} else {
#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
#if CYTHON_USE_PYLONG_INTERNALS
switch (Py_SIZE(x)) {
case 0: return 0;
case 1: __PYX_VERIFY_RETURN_INT(long, digit, +(((PyLongObject*)x)->ob_digit[0]));
case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
}
#endif
#endif
if (sizeof(long) <= sizeof(long)) {
__PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong(x))
} else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
__PYX_VERIFY_RETURN_INT(long, PY_LONG_LONG, PyLong_AsLongLong(x))
}
}
{
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
PyErr_SetString(PyExc_RuntimeError,
"_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
long val;
PyObject *v = __Pyx_PyNumber_Int(x);
#if PY_MAJOR_VERSION < 3
if (likely(v) && !PyLong_Check(v)) {
PyObject *tmp = v;
v = PyNumber_Long(tmp);
Py_DECREF(tmp);
}
#endif
if (likely(v)) {
int one = 1; int is_little = (int)*(unsigned char *)&one;
unsigned char *bytes = (unsigned char *)&val;
int ret = _PyLong_AsByteArray((PyLongObject *)v,
bytes, sizeof(val),
is_little, !is_unsigned);
Py_DECREF(v);
if (likely(!ret))
return val;
}
#endif
return (long) -1;
}
} else {
long val;
PyObject *tmp = __Pyx_PyNumber_Int(x);
if (!tmp) return (long) -1;
val = __Pyx_PyInt_As_long(tmp);
Py_DECREF(tmp);
return val;
}
raise_overflow:
PyErr_SetString(PyExc_OverflowError,
"value too large to convert to long");
return (long) -1;
raise_neg_overflow:
PyErr_SetString(PyExc_OverflowError,
"can't convert negative value to long");
return (long) -1;
}
static int __Pyx_check_binary_version(void) {
char ctversion[4], rtversion[4];
PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
char message[200];
PyOS_snprintf(message, sizeof(message),
"compiletime version %s of module '%.100s' "
"does not match runtime version %s",
ctversion, __Pyx_MODULE_NAME, rtversion);
return PyErr_WarnEx(NULL, message, 1);
}
return 0;
}
#ifndef __PYX_HAVE_RT_ImportModule
#define __PYX_HAVE_RT_ImportModule
static PyObject *__Pyx_ImportModule(const char *name) {
PyObject *py_name = 0;
PyObject *py_module = 0;
py_name = __Pyx_PyIdentifier_FromString(name);
if (!py_name)
goto bad;
py_module = PyImport_Import(py_name);
Py_DECREF(py_name);
return py_module;
bad:
Py_XDECREF(py_name);
return 0;
}
#endif
#ifndef __PYX_HAVE_RT_ImportType
#define __PYX_HAVE_RT_ImportType
static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
size_t size, int strict)
{
PyObject *py_module = 0;
PyObject *result = 0;
PyObject *py_name = 0;
char warning[200];
Py_ssize_t basicsize;
#ifdef Py_LIMITED_API
PyObject *py_basicsize;
#endif
py_module = __Pyx_ImportModule(module_name);
if (!py_module)
goto bad;
py_name = __Pyx_PyIdentifier_FromString(class_name);
if (!py_name)
goto bad;
result = PyObject_GetAttr(py_module, py_name);
Py_DECREF(py_name);
py_name = 0;
Py_DECREF(py_module);
py_module = 0;
if (!result)
goto bad;
if (!PyType_Check(result)) {
PyErr_Format(PyExc_TypeError,
"%.200s.%.200s is not a type object",
module_name, class_name);
goto bad;
}
#ifndef Py_LIMITED_API
basicsize = ((PyTypeObject *)result)->tp_basicsize;
#else
py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
if (!py_basicsize)
goto bad;
basicsize = PyLong_AsSsize_t(py_basicsize);
Py_DECREF(py_basicsize);
py_basicsize = 0;
if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
goto bad;
#endif
if (!strict && (size_t)basicsize > size) {
PyOS_snprintf(warning, sizeof(warning),
"%s.%s size changed, may indicate binary incompatibility",
module_name, class_name);
if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
}
else if ((size_t)basicsize != size) {
PyErr_Format(PyExc_ValueError,
"%.200s.%.200s has the wrong size, try recompiling",
module_name, class_name);
goto bad;
}
return (PyTypeObject *)result;
bad:
Py_XDECREF(py_module);
Py_XDECREF(result);
return NULL;
}
#endif
#ifndef __PYX_HAVE_RT_ImportFunction
#define __PYX_HAVE_RT_ImportFunction
static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig) {
PyObject *d = 0;
PyObject *cobj = 0;
union {
void (*fp)(void);
void *p;
} tmp;
d = PyObject_GetAttrString(module, (char *)"__pyx_capi__");
if (!d)
goto bad;
cobj = PyDict_GetItemString(d, funcname);
if (!cobj) {
PyErr_Format(PyExc_ImportError,
"%.200s does not export expected C function %.200s",
PyModule_GetName(module), funcname);
goto bad;
}
#if PY_VERSION_HEX >= 0x02070000
if (!PyCapsule_IsValid(cobj, sig)) {
PyErr_Format(PyExc_TypeError,
"C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
PyModule_GetName(module), funcname, sig, PyCapsule_GetName(cobj));
goto bad;
}
tmp.p = PyCapsule_GetPointer(cobj, sig);
#else
{const char *desc, *s1, *s2;
desc = (const char *)PyCObject_GetDesc(cobj);
if (!desc)
goto bad;
s1 = desc; s2 = sig;
while (*s1 != '\0' && *s1 == *s2) { s1++; s2++; }
if (*s1 != *s2) {
PyErr_Format(PyExc_TypeError,
"C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
PyModule_GetName(module), funcname, sig, desc);
goto bad;
}
tmp.p = PyCObject_AsVoidPtr(cobj);}
#endif
*f = tmp.fp;
if (!(*f))
goto bad;
Py_DECREF(d);
return 0;
bad:
Py_XDECREF(d);
return -1;
}
#endif
static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
while (t->p) {
#if PY_MAJOR_VERSION < 3
if (t->is_unicode) {
*t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
} else if (t->intern) {
*t->p = PyString_InternFromString(t->s);
} else {
*t->p = PyString_FromStringAndSize(t->s, t->n - 1);
}
#else
if (t->is_unicode | t->is_str) {
if (t->intern) {
*t->p = PyUnicode_InternFromString(t->s);
} else if (t->encoding) {
*t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
} else {
*t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
}
} else {
*t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
}
#endif
if (!*t->p)
return -1;
++t;
}
return 0;
}
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
}
static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
Py_ssize_t ignore;
return __Pyx_PyObject_AsStringAndSize(o, &ignore);
}
static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
if (
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
__Pyx_sys_getdefaultencoding_not_ascii &&
#endif
PyUnicode_Check(o)) {
#if PY_VERSION_HEX < 0x03030000
char* defenc_c;
PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
if (!defenc) return NULL;
defenc_c = PyBytes_AS_STRING(defenc);
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
{
char* end = defenc_c + PyBytes_GET_SIZE(defenc);
char* c;
for (c = defenc_c; c < end; c++) {
if ((unsigned char) (*c) >= 128) {
PyUnicode_AsASCIIString(o);
return NULL;
}
}
}
#endif
*length = PyBytes_GET_SIZE(defenc);
return defenc_c;
#else
if (__Pyx_PyUnicode_READY(o) == -1) return NULL;
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
if (PyUnicode_IS_ASCII(o)) {
*length = PyUnicode_GET_LENGTH(o);
return PyUnicode_AsUTF8(o);
} else {
PyUnicode_AsASCIIString(o);
return NULL;
}
#else
return PyUnicode_AsUTF8AndSize(o, length);
#endif
#endif
} else
#endif
#if !CYTHON_COMPILING_IN_PYPY
if (PyByteArray_Check(o)) {
*length = PyByteArray_GET_SIZE(o);
return PyByteArray_AS_STRING(o);
} else
#endif
{
char* result;
int r = PyBytes_AsStringAndSize(o, &result, length);
if (unlikely(r < 0)) {
return NULL;
} else {
return result;
}
}
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
int is_true = x == Py_True;
if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
else return PyObject_IsTrue(x);
}
static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
PyNumberMethods *m;
const char *name = NULL;
PyObject *res = NULL;
#if PY_MAJOR_VERSION < 3
if (PyInt_Check(x) || PyLong_Check(x))
#else
if (PyLong_Check(x))
#endif
return 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;
}
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
return PyLong_AsSsize_t(b);
}
x = PyNumber_Index(b);
if (!x) return -1;
ival = PyInt_AsSsize_t(x);
Py_DECREF(x);
return ival;
}
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
return PyInt_FromSize_t(ival);
}
#endif /* Py_PYTHON_H */
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