From 5936f7e4f5cfa1120a81acbb563b0e8a0d938300 Mon Sep 17 00:00:00 2001 From: Jake Vanderplas Date: Sun, 5 Feb 2012 22:26:57 -0800 Subject: [PATCH] add breadth-first search --- scipy/sparse/csgraph/__init__.py | 4 +- scipy/sparse/csgraph/graph_traversal.c | 6627 ++++++++++++++++++++++ scipy/sparse/csgraph/graph_traversal.pyx | 166 + scipy/sparse/csgraph/setup.py | 4 + 4 files changed, 6800 insertions(+), 1 deletion(-) create mode 100644 scipy/sparse/csgraph/graph_traversal.c create mode 100644 scipy/sparse/csgraph/graph_traversal.pyx diff --git a/scipy/sparse/csgraph/__init__.py b/scipy/sparse/csgraph/__init__.py index 0e739f1c6dd3..67affd2d3de0 100644 --- a/scipy/sparse/csgraph/__init__.py +++ b/scipy/sparse/csgraph/__init__.py @@ -6,9 +6,11 @@ 'cs_graph_shortest_path', 'floyd_warshall', 'dijkstra', - 'cs_graph_laplacian'] + 'cs_graph_laplacian', + 'cs_graph_breadth_first'] from graph_components import cs_graph_components from graph_shortest_path import\ cs_graph_shortest_path, floyd_warshall, dijkstra, construct_dist_matrix from graph_laplacian import cs_graph_laplacian +from graph_traversal import cs_graph_breadth_first diff --git a/scipy/sparse/csgraph/graph_traversal.c b/scipy/sparse/csgraph/graph_traversal.c new file mode 100644 index 000000000000..0bee3beff367 --- /dev/null +++ b/scipy/sparse/csgraph/graph_traversal.c @@ -0,0 +1,6627 @@ +/* Generated by Cython 0.15.1 on Sun Feb 5 22:25:48 2012 */ + +#define PY_SSIZE_T_CLEAN +#include "Python.h" +#ifndef Py_PYTHON_H + #error Python headers needed to compile C extensions, please install development version of Python. +#else + +#include /* For offsetof */ +#ifndef offsetof +#define offsetof(type, member) ( (size_t) & ((type*)0) -> member ) +#endif + +#if !defined(WIN32) && !defined(MS_WINDOWS) + #ifndef __stdcall + #define __stdcall + #endif + #ifndef __cdecl + #define __cdecl + #endif + #ifndef __fastcall + #define __fastcall + #endif +#endif + +#ifndef DL_IMPORT + #define DL_IMPORT(t) t +#endif +#ifndef DL_EXPORT + #define DL_EXPORT(t) t +#endif + +#ifndef PY_LONG_LONG + #define PY_LONG_LONG LONG_LONG +#endif + +#if PY_VERSION_HEX < 0x02040000 + #define METH_COEXIST 0 + #define PyDict_CheckExact(op) (Py_TYPE(op) == &PyDict_Type) + #define PyDict_Contains(d,o) PySequence_Contains(d,o) +#endif + +#if PY_VERSION_HEX < 0x02050000 + typedef int Py_ssize_t; + #define PY_SSIZE_T_MAX INT_MAX + #define PY_SSIZE_T_MIN INT_MIN + #define PY_FORMAT_SIZE_T "" + #define PyInt_FromSsize_t(z) PyInt_FromLong(z) + #define PyInt_AsSsize_t(o) __Pyx_PyInt_AsInt(o) + #define PyNumber_Index(o) PyNumber_Int(o) + #define PyIndex_Check(o) PyNumber_Check(o) + #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message) +#endif + +#if PY_VERSION_HEX < 0x02060000 + #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt) + #define Py_TYPE(ob) (((PyObject*)(ob))->ob_type) + #define Py_SIZE(ob) (((PyVarObject*)(ob))->ob_size) + #define PyVarObject_HEAD_INIT(type, size) \ + PyObject_HEAD_INIT(type) size, + #define PyType_Modified(t) + + typedef struct { + void *buf; + PyObject *obj; + Py_ssize_t len; + Py_ssize_t itemsize; + int readonly; + int ndim; + char *format; + Py_ssize_t *shape; + Py_ssize_t *strides; + Py_ssize_t *suboffsets; + void *internal; + } Py_buffer; + + #define PyBUF_SIMPLE 0 + #define PyBUF_WRITABLE 0x0001 + #define PyBUF_FORMAT 0x0004 + #define PyBUF_ND 0x0008 + #define PyBUF_STRIDES (0x0010 | PyBUF_ND) + #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES) + #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES) + #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES) + #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES) + +#endif + +#if PY_MAJOR_VERSION < 3 + #define __Pyx_BUILTIN_MODULE_NAME "__builtin__" +#else + #define __Pyx_BUILTIN_MODULE_NAME "builtins" +#endif + +#if PY_MAJOR_VERSION >= 3 + #define Py_TPFLAGS_CHECKTYPES 0 + #define Py_TPFLAGS_HAVE_INDEX 0 +#endif + +#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3) + #define Py_TPFLAGS_HAVE_NEWBUFFER 0 +#endif + +#if PY_MAJOR_VERSION >= 3 + #define PyBaseString_Type PyUnicode_Type + #define PyStringObject PyUnicodeObject + #define PyString_Type PyUnicode_Type + #define PyString_Check PyUnicode_Check + #define PyString_CheckExact PyUnicode_CheckExact +#endif + +#if PY_VERSION_HEX < 0x02060000 + #define PyBytesObject PyStringObject + #define PyBytes_Type PyString_Type + #define PyBytes_Check PyString_Check + #define PyBytes_CheckExact PyString_CheckExact + #define PyBytes_FromString PyString_FromString + #define PyBytes_FromStringAndSize PyString_FromStringAndSize + #define PyBytes_FromFormat PyString_FromFormat + #define PyBytes_DecodeEscape PyString_DecodeEscape + #define PyBytes_AsString PyString_AsString + #define PyBytes_AsStringAndSize PyString_AsStringAndSize + #define PyBytes_Size PyString_Size + #define PyBytes_AS_STRING PyString_AS_STRING + #define PyBytes_GET_SIZE PyString_GET_SIZE + #define PyBytes_Repr PyString_Repr + #define PyBytes_Concat PyString_Concat + #define PyBytes_ConcatAndDel PyString_ConcatAndDel +#endif + +#if PY_VERSION_HEX < 0x02060000 + #define PySet_Check(obj) PyObject_TypeCheck(obj, &PySet_Type) + #define PyFrozenSet_Check(obj) PyObject_TypeCheck(obj, &PyFrozenSet_Type) +#endif +#ifndef PySet_CheckExact + #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) +#endif + +#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type) + +#if PY_MAJOR_VERSION >= 3 + #define PyIntObject PyLongObject + #define PyInt_Type PyLong_Type + #define PyInt_Check(op) PyLong_Check(op) + #define PyInt_CheckExact(op) PyLong_CheckExact(op) + #define PyInt_FromString PyLong_FromString + #define PyInt_FromUnicode PyLong_FromUnicode + #define PyInt_FromLong PyLong_FromLong + #define PyInt_FromSize_t PyLong_FromSize_t + #define PyInt_FromSsize_t PyLong_FromSsize_t + #define PyInt_AsLong PyLong_AsLong + #define PyInt_AS_LONG PyLong_AS_LONG + #define PyInt_AsSsize_t PyLong_AsSsize_t + #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask + #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask +#endif + +#if PY_MAJOR_VERSION >= 3 + #define PyBoolObject PyLongObject +#endif + +#if PY_VERSION_HEX < 0x03020000 + typedef long Py_hash_t; + #define __Pyx_PyInt_FromHash_t PyInt_FromLong + #define __Pyx_PyInt_AsHash_t PyInt_AsLong +#else + #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t + #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t +#endif + + +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y) +#else + #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y) +#endif + +#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300) + #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b) + #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value) + #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b) +#else + #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \ + (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \ + (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \ + (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0))) + #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \ + (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \ + (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \ + (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1))) + #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \ + (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \ + (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \ + (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1))) +#endif + +#if PY_MAJOR_VERSION >= 3 + #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func)) +#endif + +#if PY_VERSION_HEX < 0x02050000 + #define __Pyx_GetAttrString(o,n) PyObject_GetAttrString((o),((char *)(n))) + #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a)) + #define __Pyx_DelAttrString(o,n) PyObject_DelAttrString((o),((char *)(n))) +#else + #define __Pyx_GetAttrString(o,n) PyObject_GetAttrString((o),(n)) + #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a)) + #define __Pyx_DelAttrString(o,n) PyObject_DelAttrString((o),(n)) +#endif + +#if PY_VERSION_HEX < 0x02050000 + #define __Pyx_NAMESTR(n) ((char *)(n)) + #define __Pyx_DOCSTR(n) ((char *)(n)) +#else + #define __Pyx_NAMESTR(n) (n) + #define __Pyx_DOCSTR(n) (n) +#endif + +#ifndef __PYX_EXTERN_C + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#if defined(WIN32) || defined(MS_WINDOWS) +#define _USE_MATH_DEFINES +#endif +#include +#define __PYX_HAVE__scipy__sparse__csgraph__graph_traversal +#define __PYX_HAVE_API__scipy__sparse__csgraph__graph_traversal +#include "stdio.h" +#include "stdlib.h" +#include "numpy/arrayobject.h" +#include "numpy/ufuncobject.h" +#ifdef _OPENMP +#include +#endif /* _OPENMP */ + +#ifdef PYREX_WITHOUT_ASSERTIONS +#define CYTHON_WITHOUT_ASSERTIONS +#endif + + +/* inline attribute */ +#ifndef CYTHON_INLINE + #if defined(__GNUC__) + #define CYTHON_INLINE __inline__ + #elif defined(_MSC_VER) + #define CYTHON_INLINE __inline + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_INLINE inline + #else + #define CYTHON_INLINE + #endif +#endif + +/* unused attribute */ +#ifndef CYTHON_UNUSED +# if defined(__GNUC__) +# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +# elif defined(__ICC) || defined(__INTEL_COMPILER) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +#endif + +typedef struct {PyObject **p; char *s; const long n; const char* encoding; const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/ + + +/* Type Conversion Predeclarations */ + +#define __Pyx_PyBytes_FromUString(s) PyBytes_FromString((char*)s) +#define __Pyx_PyBytes_AsUString(s) ((unsigned char*) PyBytes_AsString(s)) + +#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None) +#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False)) +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); +static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x); + +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); +static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*); + +#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) + + +#ifdef __GNUC__ + /* Test for GCC > 2.95 */ + #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)) + #define likely(x) __builtin_expect(!!(x), 1) + #define unlikely(x) __builtin_expect(!!(x), 0) + #else /* __GNUC__ > 2 ... */ + #define likely(x) (x) + #define unlikely(x) (x) + #endif /* __GNUC__ > 2 ... */ +#else /* __GNUC__ */ + #define likely(x) (x) + #define unlikely(x) (x) +#endif /* __GNUC__ */ + +static PyObject *__pyx_m; +static PyObject *__pyx_b; +static PyObject *__pyx_empty_tuple; +static PyObject *__pyx_empty_bytes; +static int __pyx_lineno; +static int __pyx_clineno = 0; +static const char * __pyx_cfilenm= __FILE__; +static const char *__pyx_filename; + + +#if !defined(CYTHON_CCOMPLEX) + #if defined(__cplusplus) + #define CYTHON_CCOMPLEX 1 + #elif defined(_Complex_I) + #define CYTHON_CCOMPLEX 1 + #else + #define CYTHON_CCOMPLEX 0 + #endif +#endif + +#if CYTHON_CCOMPLEX + #ifdef __cplusplus + #include + #else + #include + #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[] = { + "graph_traversal.pyx", + "numpy.pxd", +}; + +/* "numpy.pxd":719 + * # in Cython to enable them only on the right systems. + * + * ctypedef npy_int8 int8_t # <<<<<<<<<<<<<< + * ctypedef npy_int16 int16_t + * ctypedef npy_int32 int32_t + */ +typedef npy_int8 __pyx_t_5numpy_int8_t; + +/* "numpy.pxd":720 + * + * ctypedef npy_int8 int8_t + * ctypedef npy_int16 int16_t # <<<<<<<<<<<<<< + * ctypedef npy_int32 int32_t + * ctypedef npy_int64 int64_t + */ +typedef npy_int16 __pyx_t_5numpy_int16_t; + +/* "numpy.pxd":721 + * ctypedef npy_int8 int8_t + * ctypedef npy_int16 int16_t + * ctypedef npy_int32 int32_t # <<<<<<<<<<<<<< + * ctypedef npy_int64 int64_t + * #ctypedef npy_int96 int96_t + */ +typedef npy_int32 __pyx_t_5numpy_int32_t; + +/* "numpy.pxd":722 + * ctypedef npy_int16 int16_t + * ctypedef npy_int32 int32_t + * ctypedef npy_int64 int64_t # <<<<<<<<<<<<<< + * #ctypedef npy_int96 int96_t + * #ctypedef npy_int128 int128_t + */ +typedef npy_int64 __pyx_t_5numpy_int64_t; + +/* "numpy.pxd":726 + * #ctypedef npy_int128 int128_t + * + * ctypedef npy_uint8 uint8_t # <<<<<<<<<<<<<< + * ctypedef npy_uint16 uint16_t + * ctypedef npy_uint32 uint32_t + */ +typedef npy_uint8 __pyx_t_5numpy_uint8_t; + +/* "numpy.pxd":727 + * + * ctypedef npy_uint8 uint8_t + * ctypedef npy_uint16 uint16_t # <<<<<<<<<<<<<< + * ctypedef npy_uint32 uint32_t + * ctypedef npy_uint64 uint64_t + */ +typedef npy_uint16 __pyx_t_5numpy_uint16_t; + +/* "numpy.pxd":728 + * ctypedef npy_uint8 uint8_t + * ctypedef npy_uint16 uint16_t + * ctypedef npy_uint32 uint32_t # <<<<<<<<<<<<<< + * ctypedef npy_uint64 uint64_t + * #ctypedef npy_uint96 uint96_t + */ +typedef npy_uint32 __pyx_t_5numpy_uint32_t; + +/* "numpy.pxd":729 + * ctypedef npy_uint16 uint16_t + * ctypedef npy_uint32 uint32_t + * ctypedef npy_uint64 uint64_t # <<<<<<<<<<<<<< + * #ctypedef npy_uint96 uint96_t + * #ctypedef npy_uint128 uint128_t + */ +typedef npy_uint64 __pyx_t_5numpy_uint64_t; + +/* "numpy.pxd":733 + * #ctypedef npy_uint128 uint128_t + * + * ctypedef npy_float32 float32_t # <<<<<<<<<<<<<< + * ctypedef npy_float64 float64_t + * #ctypedef npy_float80 float80_t + */ +typedef npy_float32 __pyx_t_5numpy_float32_t; + +/* "numpy.pxd":734 + * + * ctypedef npy_float32 float32_t + * ctypedef npy_float64 float64_t # <<<<<<<<<<<<<< + * #ctypedef npy_float80 float80_t + * #ctypedef npy_float128 float128_t + */ +typedef npy_float64 __pyx_t_5numpy_float64_t; + +/* "numpy.pxd":743 + * # The int types are mapped a bit surprising -- + * # numpy.int corresponds to 'l' and numpy.long to 'q' + * ctypedef npy_long int_t # <<<<<<<<<<<<<< + * ctypedef npy_longlong long_t + * ctypedef npy_longlong longlong_t + */ +typedef npy_long __pyx_t_5numpy_int_t; + +/* "numpy.pxd":744 + * # numpy.int corresponds to 'l' and numpy.long to 'q' + * ctypedef npy_long int_t + * ctypedef npy_longlong long_t # <<<<<<<<<<<<<< + * ctypedef npy_longlong longlong_t + * + */ +typedef npy_longlong __pyx_t_5numpy_long_t; + +/* "numpy.pxd":745 + * ctypedef npy_long int_t + * ctypedef npy_longlong long_t + * ctypedef npy_longlong longlong_t # <<<<<<<<<<<<<< + * + * ctypedef npy_ulong uint_t + */ +typedef npy_longlong __pyx_t_5numpy_longlong_t; + +/* "numpy.pxd":747 + * ctypedef npy_longlong longlong_t + * + * ctypedef npy_ulong uint_t # <<<<<<<<<<<<<< + * ctypedef npy_ulonglong ulong_t + * ctypedef npy_ulonglong ulonglong_t + */ +typedef npy_ulong __pyx_t_5numpy_uint_t; + +/* "numpy.pxd":748 + * + * ctypedef npy_ulong uint_t + * ctypedef npy_ulonglong ulong_t # <<<<<<<<<<<<<< + * ctypedef npy_ulonglong ulonglong_t + * + */ +typedef npy_ulonglong __pyx_t_5numpy_ulong_t; + +/* "numpy.pxd":749 + * ctypedef npy_ulong uint_t + * ctypedef npy_ulonglong ulong_t + * ctypedef npy_ulonglong ulonglong_t # <<<<<<<<<<<<<< + * + * ctypedef npy_intp intp_t + */ +typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t; + +/* "numpy.pxd":751 + * ctypedef npy_ulonglong ulonglong_t + * + * ctypedef npy_intp intp_t # <<<<<<<<<<<<<< + * ctypedef npy_uintp uintp_t + * + */ +typedef npy_intp __pyx_t_5numpy_intp_t; + +/* "numpy.pxd":752 + * + * ctypedef npy_intp intp_t + * ctypedef npy_uintp uintp_t # <<<<<<<<<<<<<< + * + * ctypedef npy_double float_t + */ +typedef npy_uintp __pyx_t_5numpy_uintp_t; + +/* "numpy.pxd":754 + * ctypedef npy_uintp uintp_t + * + * ctypedef npy_double float_t # <<<<<<<<<<<<<< + * ctypedef npy_double double_t + * ctypedef npy_longdouble longdouble_t + */ +typedef npy_double __pyx_t_5numpy_float_t; + +/* "numpy.pxd":755 + * + * ctypedef npy_double float_t + * ctypedef npy_double double_t # <<<<<<<<<<<<<< + * ctypedef npy_longdouble longdouble_t + * + */ +typedef npy_double __pyx_t_5numpy_double_t; + +/* "numpy.pxd":756 + * ctypedef npy_double float_t + * ctypedef npy_double double_t + * ctypedef npy_longdouble longdouble_t # <<<<<<<<<<<<<< + * + * ctypedef npy_cfloat cfloat_t + */ +typedef npy_longdouble __pyx_t_5numpy_longdouble_t; + +/* "scipy/sparse/csgraph/graph_traversal.pyx":18 + * + * DTYPE = np.float64 + * ctypedef np.float64_t DTYPE_t # <<<<<<<<<<<<<< + * + * ITYPE = np.int32 + */ +typedef __pyx_t_5numpy_float64_t __pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_DTYPE_t; + +/* "scipy/sparse/csgraph/graph_traversal.pyx":21 + * + * ITYPE = np.int32 + * ctypedef np.int32_t ITYPE_t # <<<<<<<<<<<<<< + * + * # NULL_IDX is the index used in predecessor matrices to store a non-path + */ +typedef __pyx_t_5numpy_int32_t __pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_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 ---*/ + +/* "numpy.pxd":758 + * ctypedef npy_longdouble longdouble_t + * + * ctypedef npy_cfloat cfloat_t # <<<<<<<<<<<<<< + * ctypedef npy_cdouble cdouble_t + * ctypedef npy_clongdouble clongdouble_t + */ +typedef npy_cfloat __pyx_t_5numpy_cfloat_t; + +/* "numpy.pxd":759 + * + * ctypedef npy_cfloat cfloat_t + * ctypedef npy_cdouble cdouble_t # <<<<<<<<<<<<<< + * ctypedef npy_clongdouble clongdouble_t + * + */ +typedef npy_cdouble __pyx_t_5numpy_cdouble_t; + +/* "numpy.pxd":760 + * ctypedef npy_cfloat cfloat_t + * ctypedef npy_cdouble cdouble_t + * ctypedef npy_clongdouble clongdouble_t # <<<<<<<<<<<<<< + * + * ctypedef npy_cdouble complex_t + */ +typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t; + +/* "numpy.pxd":762 + * ctypedef npy_clongdouble clongdouble_t + * + * ctypedef npy_cdouble complex_t # <<<<<<<<<<<<<< + * + * cdef inline object PyArray_MultiIterNew1(a): + */ +typedef npy_cdouble __pyx_t_5numpy_complex_t; + + +#ifndef CYTHON_REFNANNY + #define CYTHON_REFNANNY 0 +#endif + +#if CYTHON_REFNANNY + typedef struct { + void (*INCREF)(void*, PyObject*, int); + void (*DECREF)(void*, PyObject*, int); + void (*GOTREF)(void*, PyObject*, int); + void (*GIVEREF)(void*, PyObject*, int); + void* (*SetupContext)(const char*, int, const char*); + void (*FinishContext)(void**); + } __Pyx_RefNannyAPIStruct; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); /*proto*/ + #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL; + #define __Pyx_RefNannySetupContext(name) __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__) + #define __Pyx_RefNannyFinishContext() __Pyx_RefNanny->FinishContext(&__pyx_refnanny) + #define __Pyx_INCREF(r) __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_DECREF(r) __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GOTREF(r) __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_XINCREF(r) do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0) + #define __Pyx_XDECREF(r) do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0) + #define __Pyx_XGOTREF(r) do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0) + #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0) +#else + #define __Pyx_RefNannyDeclarations + #define __Pyx_RefNannySetupContext(name) + #define __Pyx_RefNannyFinishContext() + #define __Pyx_INCREF(r) Py_INCREF(r) + #define __Pyx_DECREF(r) Py_DECREF(r) + #define __Pyx_GOTREF(r) + #define __Pyx_GIVEREF(r) + #define __Pyx_XINCREF(r) Py_XINCREF(r) + #define __Pyx_XDECREF(r) Py_XDECREF(r) + #define __Pyx_XGOTREF(r) + #define __Pyx_XGIVEREF(r) +#endif /* CYTHON_REFNANNY */ + +static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name); /*proto*/ + +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); /*proto*/ + +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, PyObject* kw_name); /*proto*/ + +static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[], PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args, const char* function_name); /*proto*/ + + +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; +} + + +#define __Pyx_GetItemInt_List(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \ + __Pyx_GetItemInt_List_Fast(o, i) : \ + __Pyx_GetItemInt_Generic(o, to_py_func(i))) + +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i) { + if (likely(o != Py_None)) { + if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) { + PyObject *r = PyList_GET_ITEM(o, i); + Py_INCREF(r); + return r; + } + else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) { + PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i); + Py_INCREF(r); + return r; + } + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +} + +#define __Pyx_GetItemInt_Tuple(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \ + __Pyx_GetItemInt_Tuple_Fast(o, i) : \ + __Pyx_GetItemInt_Generic(o, to_py_func(i))) + +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i) { + if (likely(o != Py_None)) { + if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, i); + Py_INCREF(r); + return r; + } + else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) { + PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i); + Py_INCREF(r); + return r; + } + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +} + + +#define __Pyx_GetItemInt(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \ + __Pyx_GetItemInt_Fast(o, i) : \ + __Pyx_GetItemInt_Generic(o, to_py_func(i))) + +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i) { + PyObject *r; + if (PyList_CheckExact(o) && ((0 <= i) & (i < PyList_GET_SIZE(o)))) { + r = PyList_GET_ITEM(o, i); + Py_INCREF(r); + } + else if (PyTuple_CheckExact(o) && ((0 <= i) & (i < PyTuple_GET_SIZE(o)))) { + r = PyTuple_GET_ITEM(o, i); + Py_INCREF(r); + } + else if (Py_TYPE(o)->tp_as_sequence && Py_TYPE(o)->tp_as_sequence->sq_item && (likely(i >= 0))) { + r = PySequence_GetItem(o, i); + } + else { + r = __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); + } + return r; +} + +static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/ +static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/ + +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/ + +static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/ + +/* Run-time type information about structs used with buffers */ +struct __Pyx_StructField_; + +typedef struct { + const char* name; /* for error messages only */ + struct __Pyx_StructField_* fields; + size_t size; /* sizeof(type) */ + char typegroup; /* _R_eal, _C_omplex, Signed _I_nt, _U_nsigned int, _S_truct, _P_ointer, _O_bject */ +} __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; + + +static CYTHON_INLINE int __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj, __Pyx_TypeInfo* dtype, int flags, int nd, int cast, __Pyx_BufFmt_StackElem* stack); +static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info); +static void __Pyx_RaiseBufferIndexError(int axis); /*proto*/ +#define __Pyx_BufPtrCContig1d(type, buf, i0, s0) ((type)buf + i0) + +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index); + +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected); + +static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void); + +static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); /*proto*/ +#if PY_MAJOR_VERSION < 3 +static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags); +static void __Pyx_ReleaseBuffer(Py_buffer *view); +#else +#define __Pyx_GetBuffer PyObject_GetBuffer +#define __Pyx_ReleaseBuffer PyBuffer_Release +#endif + +Py_ssize_t __Pyx_zeros[] = {0}; +Py_ssize_t __Pyx_minusones[] = {-1}; + +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level); /*proto*/ + +static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_npy_int32(npy_int32); + +#if CYTHON_CCOMPLEX + #ifdef __cplusplus + #define __Pyx_CREAL(z) ((z).real()) + #define __Pyx_CIMAG(z) ((z).imag()) + #else + #define __Pyx_CREAL(z) (__real__(z)) + #define __Pyx_CIMAG(z) (__imag__(z)) + #endif +#else + #define __Pyx_CREAL(z) ((z).real) + #define __Pyx_CIMAG(z) ((z).imag) +#endif + +#if defined(_WIN32) && defined(__cplusplus) && CYTHON_CCOMPLEX + #define __Pyx_SET_CREAL(z,x) ((z).real(x)) + #define __Pyx_SET_CIMAG(z,y) ((z).imag(y)) +#else + #define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x) + #define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y) +#endif + +static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float); + +#if CYTHON_CCOMPLEX + #define __Pyx_c_eqf(a, b) ((a)==(b)) + #define __Pyx_c_sumf(a, b) ((a)+(b)) + #define __Pyx_c_difff(a, b) ((a)-(b)) + #define __Pyx_c_prodf(a, b) ((a)*(b)) + #define __Pyx_c_quotf(a, b) ((a)/(b)) + #define __Pyx_c_negf(a) (-(a)) + #ifdef __cplusplus + #define __Pyx_c_is_zerof(z) ((z)==(float)0) + #define __Pyx_c_conjf(z) (::std::conj(z)) + #if 1 + #define __Pyx_c_absf(z) (::std::abs(z)) + #define __Pyx_c_powf(a, b) (::std::pow(a, b)) + #endif + #else + #define __Pyx_c_is_zerof(z) ((z)==0) + #define __Pyx_c_conjf(z) (conjf(z)) + #if 1 + #define __Pyx_c_absf(z) (cabsf(z)) + #define __Pyx_c_powf(a, b) (cpowf(a, b)) + #endif + #endif +#else + static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex, __pyx_t_float_complex); + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex, __pyx_t_float_complex); + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex, __pyx_t_float_complex); + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex, __pyx_t_float_complex); + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex, __pyx_t_float_complex); + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex); + static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex); + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex); + #if 1 + static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex); + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex, __pyx_t_float_complex); + #endif +#endif + +static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double); + +#if CYTHON_CCOMPLEX + #define __Pyx_c_eq(a, b) ((a)==(b)) + #define __Pyx_c_sum(a, b) ((a)+(b)) + #define __Pyx_c_diff(a, b) ((a)-(b)) + #define __Pyx_c_prod(a, b) ((a)*(b)) + #define __Pyx_c_quot(a, b) ((a)/(b)) + #define __Pyx_c_neg(a) (-(a)) + #ifdef __cplusplus + #define __Pyx_c_is_zero(z) ((z)==(double)0) + #define __Pyx_c_conj(z) (::std::conj(z)) + #if 1 + #define __Pyx_c_abs(z) (::std::abs(z)) + #define __Pyx_c_pow(a, b) (::std::pow(a, b)) + #endif + #else + #define __Pyx_c_is_zero(z) ((z)==0) + #define __Pyx_c_conj(z) (conj(z)) + #if 1 + #define __Pyx_c_abs(z) (cabs(z)) + #define __Pyx_c_pow(a, b) (cpow(a, b)) + #endif + #endif +#else + static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex, __pyx_t_double_complex); + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex, __pyx_t_double_complex); + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex, __pyx_t_double_complex); + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex, __pyx_t_double_complex); + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex, __pyx_t_double_complex); + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex); + static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex); + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex); + #if 1 + static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex); + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex, __pyx_t_double_complex); + #endif +#endif + +static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *); + +static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *); + +static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *); + +static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *); + +static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *); + +static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *); + +static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *); + +static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *); + +static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *); + +static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *); + +static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *); + +static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *); + +static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *); + +static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *); + +static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *); + +static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *); + +static void __Pyx_WriteUnraisable(const char *name, int clineno, + int lineno, const char *filename); /*proto*/ + +static int __Pyx_check_binary_version(void); + +static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict); /*proto*/ + +static PyObject *__Pyx_ImportModule(const char *name); /*proto*/ + +static void __Pyx_AddTraceback(const char *funcname, int __pyx_clineno, + int __pyx_lineno, const char *__pyx_filename); /*proto*/ + +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/ + +/* Module declarations from 'cpython.buffer' */ + +/* Module declarations from 'cpython.ref' */ + +/* Module declarations from 'libc.stdio' */ + +/* Module declarations from 'cpython.object' */ + +/* 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 PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *, PyObject *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *, PyObject *, PyObject *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *, PyObject *, PyObject *, PyObject *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *, PyObject *, PyObject *, PyObject *, PyObject *); /*proto*/ +static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/ +static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *, PyObject *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *); /*proto*/ + +/* Module declarations from 'cython.cython.view' */ + +/* Module declarations from 'cython' */ + +/* Module declarations from 'scipy.sparse.csgraph.graph_traversal' */ +static __pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t __pyx_v_5scipy_6sparse_7csgraph_15graph_traversal_NULL_IDX; +static unsigned int __pyx_f_5scipy_6sparse_7csgraph_15graph_traversal__breadth_first(unsigned int, PyArrayObject *, PyArrayObject *, PyArrayObject *, PyArrayObject *); /*proto*/ +static unsigned int __pyx_f_5scipy_6sparse_7csgraph_15graph_traversal__breadth_first_undirected(unsigned int, PyArrayObject *, PyArrayObject *, PyArrayObject *, PyArrayObject *, PyArrayObject *, PyArrayObject *); /*proto*/ +static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t = { "ITYPE_t", NULL, sizeof(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t), 'I' }; +#define __Pyx_MODULE_NAME "scipy.sparse.csgraph.graph_traversal" +int __pyx_module_is_main_scipy__sparse__csgraph__graph_traversal = 0; + +/* Implementation of 'scipy.sparse.csgraph.graph_traversal' */ +static PyObject *__pyx_builtin_ValueError; +static PyObject *__pyx_builtin_range; +static PyObject *__pyx_builtin_RuntimeError; +static char __pyx_k_3[] = "csgraph must be a square matrix"; +static char __pyx_k_5[] = "ndarray is not C contiguous"; +static char __pyx_k_7[] = "ndarray is not Fortran contiguous"; +static char __pyx_k_9[] = "Non-native byte order not supported"; +static char __pyx_k_11[] = "unknown dtype code in numpy.pxd (%d)"; +static char __pyx_k_12[] = "Format string allocated too short, see comment in numpy.pxd"; +static char __pyx_k_15[] = "Format string allocated too short."; +static char __pyx_k_17[] = "\nRoutines for traversing graphs in compressed sparse format\n"; +static char __pyx_k_18[] = "scipy.sparse"; +static char __pyx_k_19[] = "scipy.sparse.csgraph.graph_traversal"; +static char __pyx_k_20[] = "cs_graph_breadth_first"; +static char __pyx_k__B[] = "B"; +static char __pyx_k__H[] = "H"; +static char __pyx_k__I[] = "I"; +static char __pyx_k__L[] = "L"; +static char __pyx_k__O[] = "O"; +static char __pyx_k__Q[] = "Q"; +static char __pyx_k__T[] = "T"; +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__Zd[] = "Zd"; +static char __pyx_k__Zf[] = "Zf"; +static char __pyx_k__Zg[] = "Zg"; +static char __pyx_k__np[] = "np"; +static char __pyx_k__fill[] = "fill"; +static char __pyx_k__DTYPE[] = "DTYPE"; +static char __pyx_k__ITYPE[] = "ITYPE"; +static char __pyx_k__dtype[] = "dtype"; +static char __pyx_k__empty[] = "empty"; +static char __pyx_k__int32[] = "int32"; +static char __pyx_k__numpy[] = "numpy"; +static char __pyx_k__range[] = "range"; +static char __pyx_k__shape[] = "shape"; +static char __pyx_k__tocsr[] = "tocsr"; +static char __pyx_k__indptr[] = "indptr"; +static char __pyx_k__csgraph[] = "csgraph"; +static char __pyx_k__float64[] = "float64"; +static char __pyx_k__i_start[] = "i_start"; +static char __pyx_k__indices[] = "indices"; +static char __pyx_k____main__[] = "__main__"; +static char __pyx_k____test__[] = "__test__"; +static char __pyx_k__directed[] = "directed"; +static char __pyx_k__ValueError[] = "ValueError"; +static char __pyx_k__csr_matrix[] = "csr_matrix"; +static char __pyx_k__isspmatrix[] = "isspmatrix"; +static char __pyx_k__RuntimeError[] = "RuntimeError"; +static char __pyx_k__isspmatrix_csc[] = "isspmatrix_csc"; +static char __pyx_k__isspmatrix_csr[] = "isspmatrix_csr"; +static char __pyx_k__return_predecessors[] = "return_predecessors"; +static PyObject *__pyx_kp_u_11; +static PyObject *__pyx_kp_u_12; +static PyObject *__pyx_kp_u_15; +static PyObject *__pyx_n_s_18; +static PyObject *__pyx_n_s_19; +static PyObject *__pyx_n_s_20; +static PyObject *__pyx_kp_s_3; +static PyObject *__pyx_kp_u_5; +static PyObject *__pyx_kp_u_7; +static PyObject *__pyx_kp_u_9; +static PyObject *__pyx_n_s__DTYPE; +static PyObject *__pyx_n_s__ITYPE; +static PyObject *__pyx_n_s__RuntimeError; +static PyObject *__pyx_n_s__T; +static PyObject *__pyx_n_s__ValueError; +static PyObject *__pyx_n_s____main__; +static PyObject *__pyx_n_s____test__; +static PyObject *__pyx_n_s__csgraph; +static PyObject *__pyx_n_s__csr_matrix; +static PyObject *__pyx_n_s__directed; +static PyObject *__pyx_n_s__dtype; +static PyObject *__pyx_n_s__empty; +static PyObject *__pyx_n_s__fill; +static PyObject *__pyx_n_s__float64; +static PyObject *__pyx_n_s__i_start; +static PyObject *__pyx_n_s__indices; +static PyObject *__pyx_n_s__indptr; +static PyObject *__pyx_n_s__int32; +static PyObject *__pyx_n_s__isspmatrix; +static PyObject *__pyx_n_s__isspmatrix_csc; +static PyObject *__pyx_n_s__isspmatrix_csr; +static PyObject *__pyx_n_s__np; +static PyObject *__pyx_n_s__numpy; +static PyObject *__pyx_n_s__range; +static PyObject *__pyx_n_s__return_predecessors; +static PyObject *__pyx_n_s__shape; +static PyObject *__pyx_n_s__tocsr; +static PyObject *__pyx_int_15; +static PyObject *__pyx_k_1; +static PyObject *__pyx_k_2; +static PyObject *__pyx_k_tuple_4; +static PyObject *__pyx_k_tuple_6; +static PyObject *__pyx_k_tuple_8; +static PyObject *__pyx_k_tuple_10; +static PyObject *__pyx_k_tuple_13; +static PyObject *__pyx_k_tuple_14; +static PyObject *__pyx_k_tuple_16; + +/* "scipy/sparse/csgraph/graph_traversal.pyx":27 + * + * + * def cs_graph_breadth_first(csgraph, i_start, # <<<<<<<<<<<<<< + * directed=True, return_predecessors=True): + * """Return the breadth-first ordering starting with specified node. + */ + +static PyObject *__pyx_pf_5scipy_6sparse_7csgraph_15graph_traversal_cs_graph_breadth_first(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/ +static char __pyx_doc_5scipy_6sparse_7csgraph_15graph_traversal_cs_graph_breadth_first[] = "Return the breadth-first ordering starting with specified node.\n\n Parameters\n ----------\n csgraph: array-like or sparse matrix, shape=(N, N)\n compressed sparse graph. Will be converted to csr format for\n the calculation.\n i_start: integer\n index of starting mode\n directed: bool (default=True)\n if True, then operate on a directed graph: only\n move from point i to point j along paths csgraph[i, j]\n if False, then find the shortest path on an undirected graph: the\n algorithm can progress from point i to j along csgraph[i, j] or\n csgraph[j, i]\n return_predecessors: bool (default=True)\n If True, return the predecesor array\n\n Returns\n -------\n node_array: np.ndarray, int, shape=(N_nodes,)\n breadth-first list of nodes, starting with specified node\n predecessors: np.ndarray, int, shape=(N_nodes,)\n returned only if return_predecessors == True\n list of predecessors of each node in a breadth-first tree \n "; +static PyMethodDef __pyx_mdef_5scipy_6sparse_7csgraph_15graph_traversal_cs_graph_breadth_first = {__Pyx_NAMESTR("cs_graph_breadth_first"), (PyCFunction)__pyx_pf_5scipy_6sparse_7csgraph_15graph_traversal_cs_graph_breadth_first, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_5scipy_6sparse_7csgraph_15graph_traversal_cs_graph_breadth_first)}; +static PyObject *__pyx_pf_5scipy_6sparse_7csgraph_15graph_traversal_cs_graph_breadth_first(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) { + PyObject *__pyx_v_csgraph = 0; + PyObject *__pyx_v_i_start = 0; + PyObject *__pyx_v_directed = 0; + PyObject *__pyx_v_return_predecessors = 0; + int __pyx_v_N; + PyArrayObject *__pyx_v_node_list = 0; + PyArrayObject *__pyx_v_predecessors = 0; + unsigned int __pyx_v_length; + PyObject *__pyx_v_csgraph_T = NULL; + PyObject *__pyx_r = NULL; + __Pyx_RefNannyDeclarations + int __pyx_t_1; + int __pyx_t_2; + PyObject *__pyx_t_3 = NULL; + PyObject *__pyx_t_4 = NULL; + PyObject *__pyx_t_5 = NULL; + int __pyx_t_6; + int __pyx_t_7; + PyObject *__pyx_t_8 = NULL; + unsigned int __pyx_t_9; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__csgraph,&__pyx_n_s__i_start,&__pyx_n_s__directed,&__pyx_n_s__return_predecessors,0}; + __Pyx_RefNannySetupContext("cs_graph_breadth_first"); + __pyx_self = __pyx_self; + { + PyObject* values[4] = {0,0,0,0}; + values[2] = __pyx_k_1; + values[3] = __pyx_k_2; + if (unlikely(__pyx_kwds)) { + Py_ssize_t kw_args; + switch (PyTuple_GET_SIZE(__pyx_args)) { + case 4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3); + case 3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2); + case 2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1); + case 1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0); + case 0: break; + default: goto __pyx_L5_argtuple_error; + } + kw_args = PyDict_Size(__pyx_kwds); + switch (PyTuple_GET_SIZE(__pyx_args)) { + case 0: + values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__csgraph); + if (likely(values[0])) kw_args--; + else goto __pyx_L5_argtuple_error; + case 1: + values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__i_start); + if (likely(values[1])) kw_args--; + else { + __Pyx_RaiseArgtupleInvalid("cs_graph_breadth_first", 0, 2, 4, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L3_error;} + } + case 2: + if (kw_args > 0) { + PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__directed); + if (value) { values[2] = value; kw_args--; } + } + case 3: + if (kw_args > 0) { + PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__return_predecessors); + if (value) { values[3] = value; kw_args--; } + } + } + if (unlikely(kw_args > 0)) { + if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, PyTuple_GET_SIZE(__pyx_args), "cs_graph_breadth_first") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L3_error;} + } + } else { + switch (PyTuple_GET_SIZE(__pyx_args)) { + case 4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3); + case 3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2); + case 2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1); + values[0] = PyTuple_GET_ITEM(__pyx_args, 0); + break; + default: goto __pyx_L5_argtuple_error; + } + } + __pyx_v_csgraph = values[0]; + __pyx_v_i_start = values[1]; + __pyx_v_directed = values[2]; + __pyx_v_return_predecessors = values[3]; + } + goto __pyx_L4_argument_unpacking_done; + __pyx_L5_argtuple_error:; + __Pyx_RaiseArgtupleInvalid("cs_graph_breadth_first", 0, 2, 4, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L3_error;} + __pyx_L3_error:; + __Pyx_AddTraceback("scipy.sparse.csgraph.graph_traversal.cs_graph_breadth_first", __pyx_clineno, __pyx_lineno, __pyx_filename); + __Pyx_RefNannyFinishContext(); + return NULL; + __pyx_L4_argument_unpacking_done:; + __Pyx_INCREF(__pyx_v_csgraph); + + /* "scipy/sparse/csgraph/graph_traversal.pyx":59 + * # if csc matrix and the graph is nondirected, then we can convert to + * # csr using a transpose. + * if (not directed) and isspmatrix_csc(csgraph): # <<<<<<<<<<<<<< + * csgraph = csgraph.T + * elif isspmatrix(csgraph): + */ + __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_v_directed); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_t_2 = (!__pyx_t_1); + if (__pyx_t_2) { + __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__isspmatrix_csc); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_4)); + __Pyx_INCREF(__pyx_v_csgraph); + PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_csgraph); + __Pyx_GIVEREF(__pyx_v_csgraph); + __pyx_t_5 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0; + __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __pyx_t_1; + } else { + __pyx_t_6 = __pyx_t_2; + } + if (__pyx_t_6) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":60 + * # csr using a transpose. + * if (not directed) and isspmatrix_csc(csgraph): + * csgraph = csgraph.T # <<<<<<<<<<<<<< + * elif isspmatrix(csgraph): + * csgraph = csgraph.tocsr() + */ + __pyx_t_5 = PyObject_GetAttr(__pyx_v_csgraph, __pyx_n_s__T); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_v_csgraph); + __pyx_v_csgraph = __pyx_t_5; + __pyx_t_5 = 0; + goto __pyx_L6; + } + + /* "scipy/sparse/csgraph/graph_traversal.pyx":61 + * if (not directed) and isspmatrix_csc(csgraph): + * csgraph = csgraph.T + * elif isspmatrix(csgraph): # <<<<<<<<<<<<<< + * csgraph = csgraph.tocsr() + * else: + */ + __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__isspmatrix); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_4)); + __Pyx_INCREF(__pyx_v_csgraph); + PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_csgraph); + __Pyx_GIVEREF(__pyx_v_csgraph); + __pyx_t_3 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (__pyx_t_6) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":62 + * csgraph = csgraph.T + * elif isspmatrix(csgraph): + * csgraph = csgraph.tocsr() # <<<<<<<<<<<<<< + * else: + * csgraph = csr_matrix(csgraph) + */ + __pyx_t_3 = PyObject_GetAttr(__pyx_v_csgraph, __pyx_n_s__tocsr); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_4 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __Pyx_DECREF(__pyx_v_csgraph); + __pyx_v_csgraph = __pyx_t_4; + __pyx_t_4 = 0; + goto __pyx_L6; + } + /*else*/ { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":64 + * csgraph = csgraph.tocsr() + * else: + * csgraph = csr_matrix(csgraph) # <<<<<<<<<<<<<< + * + * cdef int N = csgraph.shape[0] + */ + __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__csr_matrix); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_3)); + __Pyx_INCREF(__pyx_v_csgraph); + PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_v_csgraph); + __Pyx_GIVEREF(__pyx_v_csgraph); + __pyx_t_5 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0; + __Pyx_DECREF(__pyx_v_csgraph); + __pyx_v_csgraph = __pyx_t_5; + __pyx_t_5 = 0; + } + __pyx_L6:; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":66 + * csgraph = csr_matrix(csgraph) + * + * cdef int N = csgraph.shape[0] # <<<<<<<<<<<<<< + * if csgraph.shape[1] != N: + * raise ValueError("csgraph must be a square matrix") + */ + __pyx_t_5 = PyObject_GetAttr(__pyx_v_csgraph, __pyx_n_s__shape); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 66; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_5, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 66; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_7 = __Pyx_PyInt_AsInt(__pyx_t_3); if (unlikely((__pyx_t_7 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 66; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_v_N = __pyx_t_7; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":67 + * + * cdef int N = csgraph.shape[0] + * if csgraph.shape[1] != N: # <<<<<<<<<<<<<< + * raise ValueError("csgraph must be a square matrix") + * + */ + __pyx_t_3 = PyObject_GetAttr(__pyx_v_csgraph, __pyx_n_s__shape); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = __Pyx_GetItemInt(__pyx_t_3, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_3 = PyInt_FromLong(__pyx_v_N); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_4 = PyObject_RichCompare(__pyx_t_5, __pyx_t_3, Py_NE); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + if (__pyx_t_6) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":68 + * cdef int N = csgraph.shape[0] + * if csgraph.shape[1] != N: + * raise ValueError("csgraph must be a square matrix") # <<<<<<<<<<<<<< + * + * cdef np.ndarray node_list = np.empty(N, dtype=ITYPE) + */ + __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_4), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 68; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __Pyx_Raise(__pyx_t_4, 0, 0, 0); + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 68; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + goto __pyx_L7; + } + __pyx_L7:; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":70 + * raise ValueError("csgraph must be a square matrix") + * + * cdef np.ndarray node_list = np.empty(N, dtype=ITYPE) # <<<<<<<<<<<<<< + * cdef np.ndarray predecessors = np.empty(N, dtype=ITYPE) + * node_list.fill(NULL_IDX) + */ + __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __pyx_t_3 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__empty); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + __pyx_t_4 = PyInt_FromLong(__pyx_v_N); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_5)); + PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4); + __Pyx_GIVEREF(__pyx_t_4); + __pyx_t_4 = 0; + __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_4)); + __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__ITYPE); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + if (PyDict_SetItem(__pyx_t_4, ((PyObject *)__pyx_n_s__dtype), __pyx_t_8) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0; + __pyx_t_8 = PyEval_CallObjectWithKeywords(__pyx_t_3, ((PyObject *)__pyx_t_5), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0; + __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0; + if (!(likely(((__pyx_t_8) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_8, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_v_node_list = ((PyArrayObject *)__pyx_t_8); + __pyx_t_8 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":71 + * + * cdef np.ndarray node_list = np.empty(N, dtype=ITYPE) + * cdef np.ndarray predecessors = np.empty(N, dtype=ITYPE) # <<<<<<<<<<<<<< + * node_list.fill(NULL_IDX) + * predecessors.fill(NULL_IDX) + */ + __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + __pyx_t_4 = PyObject_GetAttr(__pyx_t_8, __pyx_n_s__empty); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0; + __pyx_t_8 = PyInt_FromLong(__pyx_v_N); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_5)); + PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_8); + __Pyx_GIVEREF(__pyx_t_8); + __pyx_t_8 = 0; + __pyx_t_8 = PyDict_New(); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_8)); + __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__ITYPE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + if (PyDict_SetItem(__pyx_t_8, ((PyObject *)__pyx_n_s__dtype), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_3 = PyEval_CallObjectWithKeywords(__pyx_t_4, ((PyObject *)__pyx_t_5), ((PyObject *)__pyx_t_8)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0; + __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0; + if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_v_predecessors = ((PyArrayObject *)__pyx_t_3); + __pyx_t_3 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":72 + * cdef np.ndarray node_list = np.empty(N, dtype=ITYPE) + * cdef np.ndarray predecessors = np.empty(N, dtype=ITYPE) + * node_list.fill(NULL_IDX) # <<<<<<<<<<<<<< + * predecessors.fill(NULL_IDX) + * + */ + __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_v_node_list), __pyx_n_s__fill); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 72; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_8 = __Pyx_PyInt_to_py_npy_int32(__pyx_v_5scipy_6sparse_7csgraph_15graph_traversal_NULL_IDX); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 72; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 72; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_5)); + PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_8); + __Pyx_GIVEREF(__pyx_t_8); + __pyx_t_8 = 0; + __pyx_t_8 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 72; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0; + __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":73 + * cdef np.ndarray predecessors = np.empty(N, dtype=ITYPE) + * node_list.fill(NULL_IDX) + * predecessors.fill(NULL_IDX) # <<<<<<<<<<<<<< + * + * if directed: + */ + __pyx_t_8 = PyObject_GetAttr(((PyObject *)__pyx_v_predecessors), __pyx_n_s__fill); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + __pyx_t_5 = __Pyx_PyInt_to_py_npy_int32(__pyx_v_5scipy_6sparse_7csgraph_15graph_traversal_NULL_IDX); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_3)); + PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_5); + __Pyx_GIVEREF(__pyx_t_5); + __pyx_t_5 = 0; + __pyx_t_5 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0; + __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0; + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":75 + * predecessors.fill(NULL_IDX) + * + * if directed: # <<<<<<<<<<<<<< + * length = _breadth_first(i_start, + * csgraph.indices, csgraph.indptr, + */ + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_v_directed); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + if (__pyx_t_6) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":76 + * + * if directed: + * length = _breadth_first(i_start, # <<<<<<<<<<<<<< + * csgraph.indices, csgraph.indptr, + * node_list, predecessors) + */ + __pyx_t_9 = __Pyx_PyInt_AsUnsignedInt(__pyx_v_i_start); if (unlikely((__pyx_t_9 == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 76; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + + /* "scipy/sparse/csgraph/graph_traversal.pyx":77 + * if directed: + * length = _breadth_first(i_start, + * csgraph.indices, csgraph.indptr, # <<<<<<<<<<<<<< + * node_list, predecessors) + * else: + */ + __pyx_t_5 = PyObject_GetAttr(__pyx_v_csgraph, __pyx_n_s__indices); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + if (!(likely(((__pyx_t_5) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_5, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_t_3 = PyObject_GetAttr(__pyx_v_csgraph, __pyx_n_s__indptr); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + + /* "scipy/sparse/csgraph/graph_traversal.pyx":78 + * length = _breadth_first(i_start, + * csgraph.indices, csgraph.indptr, + * node_list, predecessors) # <<<<<<<<<<<<<< + * else: + * csgraph_T = csgraph.T.tocsr() + */ + __pyx_v_length = __pyx_f_5scipy_6sparse_7csgraph_15graph_traversal__breadth_first(__pyx_t_9, ((PyArrayObject *)__pyx_t_5), ((PyArrayObject *)__pyx_t_3), ((PyArrayObject *)__pyx_v_node_list), ((PyArrayObject *)__pyx_v_predecessors)); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + goto __pyx_L8; + } + /*else*/ { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":80 + * node_list, predecessors) + * else: + * csgraph_T = csgraph.T.tocsr() # <<<<<<<<<<<<<< + * length = _breadth_first_undirected(i_start, + * csgraph.indices, csgraph.indptr, + */ + __pyx_t_3 = PyObject_GetAttr(__pyx_v_csgraph, __pyx_n_s__T); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__tocsr); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_3 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_v_csgraph_T = __pyx_t_3; + __pyx_t_3 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":81 + * else: + * csgraph_T = csgraph.T.tocsr() + * length = _breadth_first_undirected(i_start, # <<<<<<<<<<<<<< + * csgraph.indices, csgraph.indptr, + * csgraph_T.indices, csgraph_T.indptr, + */ + __pyx_t_9 = __Pyx_PyInt_AsUnsignedInt(__pyx_v_i_start); if (unlikely((__pyx_t_9 == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 81; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + + /* "scipy/sparse/csgraph/graph_traversal.pyx":82 + * csgraph_T = csgraph.T.tocsr() + * length = _breadth_first_undirected(i_start, + * csgraph.indices, csgraph.indptr, # <<<<<<<<<<<<<< + * csgraph_T.indices, csgraph_T.indptr, + * node_list, predecessors) + */ + __pyx_t_3 = PyObject_GetAttr(__pyx_v_csgraph, __pyx_n_s__indices); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_t_5 = PyObject_GetAttr(__pyx_v_csgraph, __pyx_n_s__indptr); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + if (!(likely(((__pyx_t_5) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_5, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + + /* "scipy/sparse/csgraph/graph_traversal.pyx":83 + * length = _breadth_first_undirected(i_start, + * csgraph.indices, csgraph.indptr, + * csgraph_T.indices, csgraph_T.indptr, # <<<<<<<<<<<<<< + * node_list, predecessors) + * + */ + __pyx_t_8 = PyObject_GetAttr(__pyx_v_csgraph_T, __pyx_n_s__indices); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + if (!(likely(((__pyx_t_8) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_8, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_t_4 = PyObject_GetAttr(__pyx_v_csgraph_T, __pyx_n_s__indptr); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + if (!(likely(((__pyx_t_4) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_4, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + + /* "scipy/sparse/csgraph/graph_traversal.pyx":84 + * csgraph.indices, csgraph.indptr, + * csgraph_T.indices, csgraph_T.indptr, + * node_list, predecessors) # <<<<<<<<<<<<<< + * + * if return_predecessors: + */ + __pyx_v_length = __pyx_f_5scipy_6sparse_7csgraph_15graph_traversal__breadth_first_undirected(__pyx_t_9, ((PyArrayObject *)__pyx_t_3), ((PyArrayObject *)__pyx_t_5), ((PyArrayObject *)__pyx_t_8), ((PyArrayObject *)__pyx_t_4), ((PyArrayObject *)__pyx_v_node_list), ((PyArrayObject *)__pyx_v_predecessors)); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0; + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + } + __pyx_L8:; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":86 + * node_list, predecessors) + * + * if return_predecessors: # <<<<<<<<<<<<<< + * return node_list[:length], predecessors + * else: + */ + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_v_return_predecessors); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + if (__pyx_t_6) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":87 + * + * if return_predecessors: + * return node_list[:length], predecessors # <<<<<<<<<<<<<< + * else: + * return node_list[:length] + */ + __Pyx_XDECREF(__pyx_r); + __pyx_t_4 = __Pyx_PySequence_GetSlice(((PyObject *)__pyx_v_node_list), 0, __pyx_v_length); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 87; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __pyx_t_8 = PyTuple_New(2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 87; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_8)); + PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_4); + __Pyx_GIVEREF(__pyx_t_4); + __Pyx_INCREF(((PyObject *)__pyx_v_predecessors)); + PyTuple_SET_ITEM(__pyx_t_8, 1, ((PyObject *)__pyx_v_predecessors)); + __Pyx_GIVEREF(((PyObject *)__pyx_v_predecessors)); + __pyx_t_4 = 0; + __pyx_r = ((PyObject *)__pyx_t_8); + __pyx_t_8 = 0; + goto __pyx_L0; + goto __pyx_L9; + } + /*else*/ { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":89 + * return node_list[:length], predecessors + * else: + * return node_list[:length] # <<<<<<<<<<<<<< + * + * + */ + __Pyx_XDECREF(__pyx_r); + __pyx_t_8 = __Pyx_PySequence_GetSlice(((PyObject *)__pyx_v_node_list), 0, __pyx_v_length); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + __pyx_r = __pyx_t_8; + __pyx_t_8 = 0; + goto __pyx_L0; + } + __pyx_L9:; + + __pyx_r = Py_None; __Pyx_INCREF(Py_None); + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_3); + __Pyx_XDECREF(__pyx_t_4); + __Pyx_XDECREF(__pyx_t_5); + __Pyx_XDECREF(__pyx_t_8); + __Pyx_AddTraceback("scipy.sparse.csgraph.graph_traversal.cs_graph_breadth_first", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = NULL; + __pyx_L0:; + __Pyx_XDECREF((PyObject *)__pyx_v_node_list); + __Pyx_XDECREF((PyObject *)__pyx_v_predecessors); + __Pyx_XDECREF(__pyx_v_csgraph_T); + __Pyx_XDECREF(__pyx_v_csgraph); + __Pyx_XGIVEREF(__pyx_r); + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "scipy/sparse/csgraph/graph_traversal.pyx":92 + * + * + * cdef unsigned int _breadth_first( # <<<<<<<<<<<<<< + * unsigned int head_node, + * np.ndarray[ITYPE_t, ndim=1, mode='c'] indices, + */ + +static unsigned int __pyx_f_5scipy_6sparse_7csgraph_15graph_traversal__breadth_first(unsigned int __pyx_v_head_node, PyArrayObject *__pyx_v_indices, PyArrayObject *__pyx_v_indptr, PyArrayObject *__pyx_v_node_list, PyArrayObject *__pyx_v_predecessors) { + unsigned int __pyx_v_i; + unsigned int __pyx_v_pnode; + unsigned int __pyx_v_cnode; + unsigned int __pyx_v_i_nl; + unsigned int __pyx_v_i_nl_end; + unsigned int __pyx_v_N; + Py_buffer __pyx_bstruct_node_list; + Py_ssize_t __pyx_bstride_0_node_list = 0; + Py_ssize_t __pyx_bshape_0_node_list = 0; + Py_buffer __pyx_bstruct_indptr; + Py_ssize_t __pyx_bstride_0_indptr = 0; + Py_ssize_t __pyx_bshape_0_indptr = 0; + Py_buffer __pyx_bstruct_indices; + Py_ssize_t __pyx_bstride_0_indices = 0; + Py_ssize_t __pyx_bshape_0_indices = 0; + Py_buffer __pyx_bstruct_predecessors; + Py_ssize_t __pyx_bstride_0_predecessors = 0; + Py_ssize_t __pyx_bshape_0_predecessors = 0; + unsigned int __pyx_r; + __Pyx_RefNannyDeclarations + long __pyx_t_1; + int __pyx_t_2; + int __pyx_t_3; + unsigned int __pyx_t_4; + unsigned int __pyx_t_5; + long __pyx_t_6; + __pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t __pyx_t_7; + unsigned int __pyx_t_8; + unsigned int __pyx_t_9; + unsigned int __pyx_t_10; + unsigned int __pyx_t_11; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + __Pyx_RefNannySetupContext("_breadth_first"); + __pyx_bstruct_indices.buf = NULL; + __pyx_bstruct_indptr.buf = NULL; + __pyx_bstruct_node_list.buf = NULL; + __pyx_bstruct_predecessors.buf = NULL; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_indices, (PyObject*)__pyx_v_indices, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_indices = __pyx_bstruct_indices.strides[0]; + __pyx_bshape_0_indices = __pyx_bstruct_indices.shape[0]; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_indptr, (PyObject*)__pyx_v_indptr, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_indptr = __pyx_bstruct_indptr.strides[0]; + __pyx_bshape_0_indptr = __pyx_bstruct_indptr.shape[0]; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_node_list, (PyObject*)__pyx_v_node_list, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_node_list = __pyx_bstruct_node_list.strides[0]; + __pyx_bshape_0_node_list = __pyx_bstruct_node_list.shape[0]; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_predecessors, (PyObject*)__pyx_v_predecessors, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_predecessors = __pyx_bstruct_predecessors.strides[0]; + __pyx_bshape_0_predecessors = __pyx_bstruct_predecessors.shape[0]; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":102 + * cdef unsigned int i, pnode, cnode + * cdef unsigned int i_nl, i_nl_end + * cdef unsigned int N = node_list.shape[0] # <<<<<<<<<<<<<< + * + * node_list[0] = head_node + */ + __pyx_v_N = (__pyx_v_node_list->dimensions[0]); + + /* "scipy/sparse/csgraph/graph_traversal.pyx":104 + * cdef unsigned int N = node_list.shape[0] + * + * node_list[0] = head_node # <<<<<<<<<<<<<< + * i_nl = 0 + * i_nl_end = 1 + */ + __pyx_t_1 = 0; + __pyx_t_2 = -1; + if (__pyx_t_1 < 0) { + __pyx_t_1 += __pyx_bshape_0_node_list; + if (unlikely(__pyx_t_1 < 0)) __pyx_t_2 = 0; + } else if (unlikely(__pyx_t_1 >= __pyx_bshape_0_node_list)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + *__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_node_list.buf, __pyx_t_1, __pyx_bstride_0_node_list) = __pyx_v_head_node; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":105 + * + * node_list[0] = head_node + * i_nl = 0 # <<<<<<<<<<<<<< + * i_nl_end = 1 + * + */ + __pyx_v_i_nl = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":106 + * node_list[0] = head_node + * i_nl = 0 + * i_nl_end = 1 # <<<<<<<<<<<<<< + * + * while i_nl < i_nl_end: + */ + __pyx_v_i_nl_end = 1; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":108 + * i_nl_end = 1 + * + * while i_nl < i_nl_end: # <<<<<<<<<<<<<< + * pnode = node_list[i_nl] + * + */ + while (1) { + __pyx_t_3 = (__pyx_v_i_nl < __pyx_v_i_nl_end); + if (!__pyx_t_3) break; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":109 + * + * while i_nl < i_nl_end: + * pnode = node_list[i_nl] # <<<<<<<<<<<<<< + * + * for i from indptr[pnode] <= i < indptr[pnode + 1]: + */ + __pyx_t_4 = __pyx_v_i_nl; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_4 >= (size_t)__pyx_bshape_0_node_list)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_v_pnode = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_node_list.buf, __pyx_t_4, __pyx_bstride_0_node_list)); + + /* "scipy/sparse/csgraph/graph_traversal.pyx":111 + * pnode = node_list[i_nl] + * + * for i from indptr[pnode] <= i < indptr[pnode + 1]: # <<<<<<<<<<<<<< + * cnode = indices[i] + * if (cnode == head_node): + */ + __pyx_t_5 = __pyx_v_pnode; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_5 >= (size_t)__pyx_bshape_0_indptr)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_6 = (__pyx_v_pnode + 1); + __pyx_t_2 = -1; + if (__pyx_t_6 < 0) { + __pyx_t_6 += __pyx_bshape_0_indptr; + if (unlikely(__pyx_t_6 < 0)) __pyx_t_2 = 0; + } else if (unlikely(__pyx_t_6 >= __pyx_bshape_0_indptr)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_7 = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_indptr.buf, __pyx_t_6, __pyx_bstride_0_indptr)); + for (__pyx_v_i = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_indptr.buf, __pyx_t_5, __pyx_bstride_0_indptr)); __pyx_v_i < __pyx_t_7; __pyx_v_i++) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":112 + * + * for i from indptr[pnode] <= i < indptr[pnode + 1]: + * cnode = indices[i] # <<<<<<<<<<<<<< + * if (cnode == head_node): + * continue + */ + __pyx_t_8 = __pyx_v_i; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_8 >= (size_t)__pyx_bshape_0_indices)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_v_cnode = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_indices.buf, __pyx_t_8, __pyx_bstride_0_indices)); + + /* "scipy/sparse/csgraph/graph_traversal.pyx":113 + * for i from indptr[pnode] <= i < indptr[pnode + 1]: + * cnode = indices[i] + * if (cnode == head_node): # <<<<<<<<<<<<<< + * continue + * elif (predecessors[cnode] == NULL_IDX): + */ + __pyx_t_3 = (__pyx_v_cnode == __pyx_v_head_node); + if (__pyx_t_3) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":114 + * cnode = indices[i] + * if (cnode == head_node): + * continue # <<<<<<<<<<<<<< + * elif (predecessors[cnode] == NULL_IDX): + * node_list[i_nl_end] = cnode + */ + goto __pyx_L5_continue; + goto __pyx_L7; + } + + /* "scipy/sparse/csgraph/graph_traversal.pyx":115 + * if (cnode == head_node): + * continue + * elif (predecessors[cnode] == NULL_IDX): # <<<<<<<<<<<<<< + * node_list[i_nl_end] = cnode + * predecessors[cnode] = pnode + */ + __pyx_t_9 = __pyx_v_cnode; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_9 >= (size_t)__pyx_bshape_0_predecessors)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_3 = ((*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_predecessors.buf, __pyx_t_9, __pyx_bstride_0_predecessors)) == __pyx_v_5scipy_6sparse_7csgraph_15graph_traversal_NULL_IDX); + if (__pyx_t_3) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":116 + * continue + * elif (predecessors[cnode] == NULL_IDX): + * node_list[i_nl_end] = cnode # <<<<<<<<<<<<<< + * predecessors[cnode] = pnode + * i_nl_end += 1 + */ + __pyx_t_10 = __pyx_v_i_nl_end; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_10 >= (size_t)__pyx_bshape_0_node_list)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + *__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_node_list.buf, __pyx_t_10, __pyx_bstride_0_node_list) = __pyx_v_cnode; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":117 + * elif (predecessors[cnode] == NULL_IDX): + * node_list[i_nl_end] = cnode + * predecessors[cnode] = pnode # <<<<<<<<<<<<<< + * i_nl_end += 1 + * + */ + __pyx_t_11 = __pyx_v_cnode; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_11 >= (size_t)__pyx_bshape_0_predecessors)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + *__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_predecessors.buf, __pyx_t_11, __pyx_bstride_0_predecessors) = __pyx_v_pnode; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":118 + * node_list[i_nl_end] = cnode + * predecessors[cnode] = pnode + * i_nl_end += 1 # <<<<<<<<<<<<<< + * + * i_nl += 1 + */ + __pyx_v_i_nl_end = (__pyx_v_i_nl_end + 1); + goto __pyx_L7; + } + __pyx_L7:; + __pyx_L5_continue:; + } + + /* "scipy/sparse/csgraph/graph_traversal.pyx":120 + * i_nl_end += 1 + * + * i_nl += 1 # <<<<<<<<<<<<<< + * + * return i_nl + */ + __pyx_v_i_nl = (__pyx_v_i_nl + 1); + } + + /* "scipy/sparse/csgraph/graph_traversal.pyx":122 + * i_nl += 1 + * + * return i_nl # <<<<<<<<<<<<<< + * + * + */ + __pyx_r = __pyx_v_i_nl; + goto __pyx_L0; + + __pyx_r = 0; + goto __pyx_L0; + __pyx_L1_error:; + { PyObject *__pyx_type, *__pyx_value, *__pyx_tb; + __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_node_list); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indptr); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indices); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_predecessors); + __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);} + __Pyx_WriteUnraisable("scipy.sparse.csgraph.graph_traversal._breadth_first", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = 0; + goto __pyx_L2; + __pyx_L0:; + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_node_list); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indptr); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indices); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_predecessors); + __pyx_L2:; + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "scipy/sparse/csgraph/graph_traversal.pyx":125 + * + * + * cdef unsigned int _breadth_first_undirected( # <<<<<<<<<<<<<< + * unsigned int head_node, + * np.ndarray[ITYPE_t, ndim=1, mode='c'] indices1, + */ + +static unsigned int __pyx_f_5scipy_6sparse_7csgraph_15graph_traversal__breadth_first_undirected(unsigned int __pyx_v_head_node, PyArrayObject *__pyx_v_indices1, PyArrayObject *__pyx_v_indptr1, PyArrayObject *__pyx_v_indices2, PyArrayObject *__pyx_v_indptr2, PyArrayObject *__pyx_v_node_list, PyArrayObject *__pyx_v_predecessors) { + unsigned int __pyx_v_i; + unsigned int __pyx_v_pnode; + unsigned int __pyx_v_cnode; + unsigned int __pyx_v_i_nl; + unsigned int __pyx_v_i_nl_end; + unsigned int __pyx_v_N; + Py_buffer __pyx_bstruct_indices1; + Py_ssize_t __pyx_bstride_0_indices1 = 0; + Py_ssize_t __pyx_bshape_0_indices1 = 0; + Py_buffer __pyx_bstruct_indices2; + Py_ssize_t __pyx_bstride_0_indices2 = 0; + Py_ssize_t __pyx_bshape_0_indices2 = 0; + Py_buffer __pyx_bstruct_node_list; + Py_ssize_t __pyx_bstride_0_node_list = 0; + Py_ssize_t __pyx_bshape_0_node_list = 0; + Py_buffer __pyx_bstruct_indptr2; + Py_ssize_t __pyx_bstride_0_indptr2 = 0; + Py_ssize_t __pyx_bshape_0_indptr2 = 0; + Py_buffer __pyx_bstruct_indptr1; + Py_ssize_t __pyx_bstride_0_indptr1 = 0; + Py_ssize_t __pyx_bshape_0_indptr1 = 0; + Py_buffer __pyx_bstruct_predecessors; + Py_ssize_t __pyx_bstride_0_predecessors = 0; + Py_ssize_t __pyx_bshape_0_predecessors = 0; + unsigned int __pyx_r; + __Pyx_RefNannyDeclarations + long __pyx_t_1; + int __pyx_t_2; + int __pyx_t_3; + unsigned int __pyx_t_4; + unsigned int __pyx_t_5; + long __pyx_t_6; + __pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t __pyx_t_7; + unsigned int __pyx_t_8; + unsigned int __pyx_t_9; + unsigned int __pyx_t_10; + unsigned int __pyx_t_11; + unsigned int __pyx_t_12; + long __pyx_t_13; + unsigned int __pyx_t_14; + unsigned int __pyx_t_15; + unsigned int __pyx_t_16; + unsigned int __pyx_t_17; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + __Pyx_RefNannySetupContext("_breadth_first_undirected"); + __pyx_bstruct_indices1.buf = NULL; + __pyx_bstruct_indptr1.buf = NULL; + __pyx_bstruct_indices2.buf = NULL; + __pyx_bstruct_indptr2.buf = NULL; + __pyx_bstruct_node_list.buf = NULL; + __pyx_bstruct_predecessors.buf = NULL; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_indices1, (PyObject*)__pyx_v_indices1, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_indices1 = __pyx_bstruct_indices1.strides[0]; + __pyx_bshape_0_indices1 = __pyx_bstruct_indices1.shape[0]; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_indptr1, (PyObject*)__pyx_v_indptr1, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_indptr1 = __pyx_bstruct_indptr1.strides[0]; + __pyx_bshape_0_indptr1 = __pyx_bstruct_indptr1.shape[0]; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_indices2, (PyObject*)__pyx_v_indices2, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_indices2 = __pyx_bstruct_indices2.strides[0]; + __pyx_bshape_0_indices2 = __pyx_bstruct_indices2.shape[0]; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_indptr2, (PyObject*)__pyx_v_indptr2, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_indptr2 = __pyx_bstruct_indptr2.strides[0]; + __pyx_bshape_0_indptr2 = __pyx_bstruct_indptr2.shape[0]; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_node_list, (PyObject*)__pyx_v_node_list, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_node_list = __pyx_bstruct_node_list.strides[0]; + __pyx_bshape_0_node_list = __pyx_bstruct_node_list.shape[0]; + { + __Pyx_BufFmt_StackElem __pyx_stack[1]; + if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_bstruct_predecessors, (PyObject*)__pyx_v_predecessors, &__Pyx_TypeInfo_nn___pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t, PyBUF_FORMAT| PyBUF_C_CONTIGUOUS| PyBUF_WRITABLE, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_bstride_0_predecessors = __pyx_bstruct_predecessors.strides[0]; + __pyx_bshape_0_predecessors = __pyx_bstruct_predecessors.shape[0]; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":137 + * cdef unsigned int i, pnode, cnode + * cdef unsigned int i_nl, i_nl_end + * cdef unsigned int N = node_list.shape[0] # <<<<<<<<<<<<<< + * + * node_list[0] = head_node + */ + __pyx_v_N = (__pyx_v_node_list->dimensions[0]); + + /* "scipy/sparse/csgraph/graph_traversal.pyx":139 + * cdef unsigned int N = node_list.shape[0] + * + * node_list[0] = head_node # <<<<<<<<<<<<<< + * i_nl = 0 + * i_nl_end = 1 + */ + __pyx_t_1 = 0; + __pyx_t_2 = -1; + if (__pyx_t_1 < 0) { + __pyx_t_1 += __pyx_bshape_0_node_list; + if (unlikely(__pyx_t_1 < 0)) __pyx_t_2 = 0; + } else if (unlikely(__pyx_t_1 >= __pyx_bshape_0_node_list)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 139; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + *__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_node_list.buf, __pyx_t_1, __pyx_bstride_0_node_list) = __pyx_v_head_node; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":140 + * + * node_list[0] = head_node + * i_nl = 0 # <<<<<<<<<<<<<< + * i_nl_end = 1 + * + */ + __pyx_v_i_nl = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":141 + * node_list[0] = head_node + * i_nl = 0 + * i_nl_end = 1 # <<<<<<<<<<<<<< + * + * while i_nl < i_nl_end: + */ + __pyx_v_i_nl_end = 1; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":143 + * i_nl_end = 1 + * + * while i_nl < i_nl_end: # <<<<<<<<<<<<<< + * pnode = node_list[i_nl] + * + */ + while (1) { + __pyx_t_3 = (__pyx_v_i_nl < __pyx_v_i_nl_end); + if (!__pyx_t_3) break; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":144 + * + * while i_nl < i_nl_end: + * pnode = node_list[i_nl] # <<<<<<<<<<<<<< + * + * for i from indptr1[pnode] <= i < indptr1[pnode + 1]: + */ + __pyx_t_4 = __pyx_v_i_nl; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_4 >= (size_t)__pyx_bshape_0_node_list)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 144; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_v_pnode = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_node_list.buf, __pyx_t_4, __pyx_bstride_0_node_list)); + + /* "scipy/sparse/csgraph/graph_traversal.pyx":146 + * pnode = node_list[i_nl] + * + * for i from indptr1[pnode] <= i < indptr1[pnode + 1]: # <<<<<<<<<<<<<< + * cnode = indices1[i] + * if (cnode == head_node): + */ + __pyx_t_5 = __pyx_v_pnode; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_5 >= (size_t)__pyx_bshape_0_indptr1)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 146; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_6 = (__pyx_v_pnode + 1); + __pyx_t_2 = -1; + if (__pyx_t_6 < 0) { + __pyx_t_6 += __pyx_bshape_0_indptr1; + if (unlikely(__pyx_t_6 < 0)) __pyx_t_2 = 0; + } else if (unlikely(__pyx_t_6 >= __pyx_bshape_0_indptr1)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 146; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_7 = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_indptr1.buf, __pyx_t_6, __pyx_bstride_0_indptr1)); + for (__pyx_v_i = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_indptr1.buf, __pyx_t_5, __pyx_bstride_0_indptr1)); __pyx_v_i < __pyx_t_7; __pyx_v_i++) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":147 + * + * for i from indptr1[pnode] <= i < indptr1[pnode + 1]: + * cnode = indices1[i] # <<<<<<<<<<<<<< + * if (cnode == head_node): + * continue + */ + __pyx_t_8 = __pyx_v_i; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_8 >= (size_t)__pyx_bshape_0_indices1)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 147; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_v_cnode = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_indices1.buf, __pyx_t_8, __pyx_bstride_0_indices1)); + + /* "scipy/sparse/csgraph/graph_traversal.pyx":148 + * for i from indptr1[pnode] <= i < indptr1[pnode + 1]: + * cnode = indices1[i] + * if (cnode == head_node): # <<<<<<<<<<<<<< + * continue + * elif (predecessors[cnode] == NULL_IDX): + */ + __pyx_t_3 = (__pyx_v_cnode == __pyx_v_head_node); + if (__pyx_t_3) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":149 + * cnode = indices1[i] + * if (cnode == head_node): + * continue # <<<<<<<<<<<<<< + * elif (predecessors[cnode] == NULL_IDX): + * node_list[i_nl_end] = cnode + */ + goto __pyx_L5_continue; + goto __pyx_L7; + } + + /* "scipy/sparse/csgraph/graph_traversal.pyx":150 + * if (cnode == head_node): + * continue + * elif (predecessors[cnode] == NULL_IDX): # <<<<<<<<<<<<<< + * node_list[i_nl_end] = cnode + * predecessors[cnode] = pnode + */ + __pyx_t_9 = __pyx_v_cnode; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_9 >= (size_t)__pyx_bshape_0_predecessors)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 150; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_3 = ((*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_predecessors.buf, __pyx_t_9, __pyx_bstride_0_predecessors)) == __pyx_v_5scipy_6sparse_7csgraph_15graph_traversal_NULL_IDX); + if (__pyx_t_3) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":151 + * continue + * elif (predecessors[cnode] == NULL_IDX): + * node_list[i_nl_end] = cnode # <<<<<<<<<<<<<< + * predecessors[cnode] = pnode + * i_nl_end += 1 + */ + __pyx_t_10 = __pyx_v_i_nl_end; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_10 >= (size_t)__pyx_bshape_0_node_list)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 151; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + *__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_node_list.buf, __pyx_t_10, __pyx_bstride_0_node_list) = __pyx_v_cnode; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":152 + * elif (predecessors[cnode] == NULL_IDX): + * node_list[i_nl_end] = cnode + * predecessors[cnode] = pnode # <<<<<<<<<<<<<< + * i_nl_end += 1 + * + */ + __pyx_t_11 = __pyx_v_cnode; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_11 >= (size_t)__pyx_bshape_0_predecessors)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 152; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + *__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_predecessors.buf, __pyx_t_11, __pyx_bstride_0_predecessors) = __pyx_v_pnode; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":153 + * node_list[i_nl_end] = cnode + * predecessors[cnode] = pnode + * i_nl_end += 1 # <<<<<<<<<<<<<< + * + * for i from indptr2[pnode] <= i < indptr2[pnode + 1]: + */ + __pyx_v_i_nl_end = (__pyx_v_i_nl_end + 1); + goto __pyx_L7; + } + __pyx_L7:; + __pyx_L5_continue:; + } + + /* "scipy/sparse/csgraph/graph_traversal.pyx":155 + * i_nl_end += 1 + * + * for i from indptr2[pnode] <= i < indptr2[pnode + 1]: # <<<<<<<<<<<<<< + * cnode = indices2[i] + * if (cnode == head_node): + */ + __pyx_t_12 = __pyx_v_pnode; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_12 >= (size_t)__pyx_bshape_0_indptr2)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_13 = (__pyx_v_pnode + 1); + __pyx_t_2 = -1; + if (__pyx_t_13 < 0) { + __pyx_t_13 += __pyx_bshape_0_indptr2; + if (unlikely(__pyx_t_13 < 0)) __pyx_t_2 = 0; + } else if (unlikely(__pyx_t_13 >= __pyx_bshape_0_indptr2)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_7 = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_indptr2.buf, __pyx_t_13, __pyx_bstride_0_indptr2)); + for (__pyx_v_i = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_indptr2.buf, __pyx_t_12, __pyx_bstride_0_indptr2)); __pyx_v_i < __pyx_t_7; __pyx_v_i++) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":156 + * + * for i from indptr2[pnode] <= i < indptr2[pnode + 1]: + * cnode = indices2[i] # <<<<<<<<<<<<<< + * if (cnode == head_node): + * continue + */ + __pyx_t_14 = __pyx_v_i; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_14 >= (size_t)__pyx_bshape_0_indices2)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 156; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_v_cnode = (*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_indices2.buf, __pyx_t_14, __pyx_bstride_0_indices2)); + + /* "scipy/sparse/csgraph/graph_traversal.pyx":157 + * for i from indptr2[pnode] <= i < indptr2[pnode + 1]: + * cnode = indices2[i] + * if (cnode == head_node): # <<<<<<<<<<<<<< + * continue + * elif (predecessors[cnode] == NULL_IDX): + */ + __pyx_t_3 = (__pyx_v_cnode == __pyx_v_head_node); + if (__pyx_t_3) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":158 + * cnode = indices2[i] + * if (cnode == head_node): + * continue # <<<<<<<<<<<<<< + * elif (predecessors[cnode] == NULL_IDX): + * node_list[i_nl_end] = cnode + */ + goto __pyx_L8_continue; + goto __pyx_L10; + } + + /* "scipy/sparse/csgraph/graph_traversal.pyx":159 + * if (cnode == head_node): + * continue + * elif (predecessors[cnode] == NULL_IDX): # <<<<<<<<<<<<<< + * node_list[i_nl_end] = cnode + * predecessors[cnode] = pnode + */ + __pyx_t_15 = __pyx_v_cnode; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_15 >= (size_t)__pyx_bshape_0_predecessors)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_3 = ((*__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_predecessors.buf, __pyx_t_15, __pyx_bstride_0_predecessors)) == __pyx_v_5scipy_6sparse_7csgraph_15graph_traversal_NULL_IDX); + if (__pyx_t_3) { + + /* "scipy/sparse/csgraph/graph_traversal.pyx":160 + * continue + * elif (predecessors[cnode] == NULL_IDX): + * node_list[i_nl_end] = cnode # <<<<<<<<<<<<<< + * predecessors[cnode] = pnode + * i_nl_end += 1 + */ + __pyx_t_16 = __pyx_v_i_nl_end; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_16 >= (size_t)__pyx_bshape_0_node_list)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 160; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + *__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_node_list.buf, __pyx_t_16, __pyx_bstride_0_node_list) = __pyx_v_cnode; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":161 + * elif (predecessors[cnode] == NULL_IDX): + * node_list[i_nl_end] = cnode + * predecessors[cnode] = pnode # <<<<<<<<<<<<<< + * i_nl_end += 1 + * + */ + __pyx_t_17 = __pyx_v_cnode; + __pyx_t_2 = -1; + if (unlikely(__pyx_t_17 >= (size_t)__pyx_bshape_0_predecessors)) __pyx_t_2 = 0; + if (unlikely(__pyx_t_2 != -1)) { + __Pyx_RaiseBufferIndexError(__pyx_t_2); + {__pyx_filename = __pyx_f[0]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + *__Pyx_BufPtrCContig1d(__pyx_t_5scipy_6sparse_7csgraph_15graph_traversal_ITYPE_t *, __pyx_bstruct_predecessors.buf, __pyx_t_17, __pyx_bstride_0_predecessors) = __pyx_v_pnode; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":162 + * node_list[i_nl_end] = cnode + * predecessors[cnode] = pnode + * i_nl_end += 1 # <<<<<<<<<<<<<< + * + * i_nl += 1 + */ + __pyx_v_i_nl_end = (__pyx_v_i_nl_end + 1); + goto __pyx_L10; + } + __pyx_L10:; + __pyx_L8_continue:; + } + + /* "scipy/sparse/csgraph/graph_traversal.pyx":164 + * i_nl_end += 1 + * + * i_nl += 1 # <<<<<<<<<<<<<< + * + * return i_nl + */ + __pyx_v_i_nl = (__pyx_v_i_nl + 1); + } + + /* "scipy/sparse/csgraph/graph_traversal.pyx":166 + * i_nl += 1 + * + * return i_nl # <<<<<<<<<<<<<< + */ + __pyx_r = __pyx_v_i_nl; + goto __pyx_L0; + + __pyx_r = 0; + goto __pyx_L0; + __pyx_L1_error:; + { PyObject *__pyx_type, *__pyx_value, *__pyx_tb; + __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indices1); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indices2); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_node_list); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indptr2); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indptr1); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_predecessors); + __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);} + __Pyx_WriteUnraisable("scipy.sparse.csgraph.graph_traversal._breadth_first_undirected", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = 0; + goto __pyx_L2; + __pyx_L0:; + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indices1); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indices2); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_node_list); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indptr2); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_indptr1); + __Pyx_SafeReleaseBuffer(&__pyx_bstruct_predecessors); + __pyx_L2:; + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "numpy.pxd":190 + * # experimental exception made for __getbuffer__ and __releasebuffer__ + * # -- the details of this may change. + * def __getbuffer__(ndarray self, Py_buffer* info, int flags): # <<<<<<<<<<<<<< + * # This implementation of getbuffer is geared towards Cython + * # requirements, and does not yet fullfill the PEP. + */ + +static CYTHON_UNUSED int __pyx_pf_5numpy_7ndarray___getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/ +static CYTHON_UNUSED int __pyx_pf_5numpy_7ndarray___getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) { + int __pyx_v_copy_shape; + int __pyx_v_i; + int __pyx_v_ndim; + int __pyx_v_endian_detector; + int __pyx_v_little_endian; + int __pyx_v_t; + char *__pyx_v_f; + PyArray_Descr *__pyx_v_descr = 0; + int __pyx_v_offset; + int __pyx_v_hasfields; + int __pyx_r; + __Pyx_RefNannyDeclarations + int __pyx_t_1; + int __pyx_t_2; + int __pyx_t_3; + PyObject *__pyx_t_4 = NULL; + int __pyx_t_5; + int __pyx_t_6; + int __pyx_t_7; + PyObject *__pyx_t_8 = NULL; + char *__pyx_t_9; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + __Pyx_RefNannySetupContext("__getbuffer__"); + if (__pyx_v_info != NULL) { + __pyx_v_info->obj = Py_None; __Pyx_INCREF(Py_None); + __Pyx_GIVEREF(__pyx_v_info->obj); + } + + /* "numpy.pxd":196 + * # of flags + * + * if info == NULL: return # <<<<<<<<<<<<<< + * + * cdef int copy_shape, i, ndim + */ + __pyx_t_1 = (__pyx_v_info == NULL); + if (__pyx_t_1) { + __pyx_r = 0; + goto __pyx_L0; + goto __pyx_L5; + } + __pyx_L5:; + + /* "numpy.pxd":199 + * + * cdef int copy_shape, i, ndim + * cdef int endian_detector = 1 # <<<<<<<<<<<<<< + * cdef bint little_endian = ((&endian_detector)[0] != 0) + * + */ + __pyx_v_endian_detector = 1; + + /* "numpy.pxd":200 + * cdef int copy_shape, i, ndim + * cdef int endian_detector = 1 + * cdef bint little_endian = ((&endian_detector)[0] != 0) # <<<<<<<<<<<<<< + * + * ndim = PyArray_NDIM(self) + */ + __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0); + + /* "numpy.pxd":202 + * cdef bint little_endian = ((&endian_detector)[0] != 0) + * + * ndim = PyArray_NDIM(self) # <<<<<<<<<<<<<< + * + * if sizeof(npy_intp) != sizeof(Py_ssize_t): + */ + __pyx_v_ndim = PyArray_NDIM(((PyArrayObject *)__pyx_v_self)); + + /* "numpy.pxd":204 + * ndim = PyArray_NDIM(self) + * + * if sizeof(npy_intp) != sizeof(Py_ssize_t): # <<<<<<<<<<<<<< + * copy_shape = 1 + * else: + */ + __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t))); + if (__pyx_t_1) { + + /* "numpy.pxd":205 + * + * if sizeof(npy_intp) != sizeof(Py_ssize_t): + * copy_shape = 1 # <<<<<<<<<<<<<< + * else: + * copy_shape = 0 + */ + __pyx_v_copy_shape = 1; + goto __pyx_L6; + } + /*else*/ { + + /* "numpy.pxd":207 + * copy_shape = 1 + * else: + * copy_shape = 0 # <<<<<<<<<<<<<< + * + * if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS) + */ + __pyx_v_copy_shape = 0; + } + __pyx_L6:; + + /* "numpy.pxd":209 + * copy_shape = 0 + * + * if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS) # <<<<<<<<<<<<<< + * and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)): + * raise ValueError(u"ndarray is not C contiguous") + */ + __pyx_t_1 = ((__pyx_v_flags & PyBUF_C_CONTIGUOUS) == PyBUF_C_CONTIGUOUS); + if (__pyx_t_1) { + + /* "numpy.pxd":210 + * + * if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS) + * and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)): # <<<<<<<<<<<<<< + * raise ValueError(u"ndarray is not C contiguous") + * + */ + __pyx_t_2 = (!PyArray_CHKFLAGS(((PyArrayObject *)__pyx_v_self), NPY_C_CONTIGUOUS)); + __pyx_t_3 = __pyx_t_2; + } else { + __pyx_t_3 = __pyx_t_1; + } + if (__pyx_t_3) { + + /* "numpy.pxd":211 + * if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS) + * and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)): + * raise ValueError(u"ndarray is not C contiguous") # <<<<<<<<<<<<<< + * + * if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS) + */ + __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_6), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __Pyx_Raise(__pyx_t_4, 0, 0, 0); + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + goto __pyx_L7; + } + __pyx_L7:; + + /* "numpy.pxd":213 + * raise ValueError(u"ndarray is not C contiguous") + * + * if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS) # <<<<<<<<<<<<<< + * and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)): + * raise ValueError(u"ndarray is not Fortran contiguous") + */ + __pyx_t_3 = ((__pyx_v_flags & PyBUF_F_CONTIGUOUS) == PyBUF_F_CONTIGUOUS); + if (__pyx_t_3) { + + /* "numpy.pxd":214 + * + * if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS) + * and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)): # <<<<<<<<<<<<<< + * raise ValueError(u"ndarray is not Fortran contiguous") + * + */ + __pyx_t_1 = (!PyArray_CHKFLAGS(((PyArrayObject *)__pyx_v_self), NPY_F_CONTIGUOUS)); + __pyx_t_2 = __pyx_t_1; + } else { + __pyx_t_2 = __pyx_t_3; + } + if (__pyx_t_2) { + + /* "numpy.pxd":215 + * if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS) + * and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)): + * raise ValueError(u"ndarray is not Fortran contiguous") # <<<<<<<<<<<<<< + * + * info.buf = PyArray_DATA(self) + */ + __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_8), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __Pyx_Raise(__pyx_t_4, 0, 0, 0); + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + goto __pyx_L8; + } + __pyx_L8:; + + /* "numpy.pxd":217 + * raise ValueError(u"ndarray is not Fortran contiguous") + * + * info.buf = PyArray_DATA(self) # <<<<<<<<<<<<<< + * info.ndim = ndim + * if copy_shape: + */ + __pyx_v_info->buf = PyArray_DATA(((PyArrayObject *)__pyx_v_self)); + + /* "numpy.pxd":218 + * + * info.buf = PyArray_DATA(self) + * info.ndim = ndim # <<<<<<<<<<<<<< + * if copy_shape: + * # Allocate new buffer for strides and shape info. + */ + __pyx_v_info->ndim = __pyx_v_ndim; + + /* "numpy.pxd":219 + * info.buf = PyArray_DATA(self) + * info.ndim = ndim + * if copy_shape: # <<<<<<<<<<<<<< + * # Allocate new buffer for strides and shape info. + * # This is allocated as one block, strides first. + */ + if (__pyx_v_copy_shape) { + + /* "numpy.pxd":222 + * # Allocate new buffer for strides and shape info. + * # This is allocated as one block, strides first. + * info.strides = stdlib.malloc(sizeof(Py_ssize_t) * ndim * 2) # <<<<<<<<<<<<<< + * info.shape = info.strides + ndim + * for i in range(ndim): + */ + __pyx_v_info->strides = ((Py_ssize_t *)malloc((((sizeof(Py_ssize_t)) * ((size_t)__pyx_v_ndim)) * 2))); + + /* "numpy.pxd":223 + * # This is allocated as one block, strides first. + * info.strides = stdlib.malloc(sizeof(Py_ssize_t) * ndim * 2) + * info.shape = info.strides + ndim # <<<<<<<<<<<<<< + * for i in range(ndim): + * info.strides[i] = PyArray_STRIDES(self)[i] + */ + __pyx_v_info->shape = (__pyx_v_info->strides + __pyx_v_ndim); + + /* "numpy.pxd":224 + * info.strides = stdlib.malloc(sizeof(Py_ssize_t) * ndim * 2) + * info.shape = info.strides + ndim + * for i in range(ndim): # <<<<<<<<<<<<<< + * info.strides[i] = PyArray_STRIDES(self)[i] + * info.shape[i] = PyArray_DIMS(self)[i] + */ + __pyx_t_5 = __pyx_v_ndim; + for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) { + __pyx_v_i = __pyx_t_6; + + /* "numpy.pxd":225 + * info.shape = info.strides + ndim + * for i in range(ndim): + * info.strides[i] = PyArray_STRIDES(self)[i] # <<<<<<<<<<<<<< + * info.shape[i] = PyArray_DIMS(self)[i] + * else: + */ + (__pyx_v_info->strides[__pyx_v_i]) = (PyArray_STRIDES(((PyArrayObject *)__pyx_v_self))[__pyx_v_i]); + + /* "numpy.pxd":226 + * for i in range(ndim): + * info.strides[i] = PyArray_STRIDES(self)[i] + * info.shape[i] = PyArray_DIMS(self)[i] # <<<<<<<<<<<<<< + * else: + * info.strides = PyArray_STRIDES(self) + */ + (__pyx_v_info->shape[__pyx_v_i]) = (PyArray_DIMS(((PyArrayObject *)__pyx_v_self))[__pyx_v_i]); + } + goto __pyx_L9; + } + /*else*/ { + + /* "numpy.pxd":228 + * info.shape[i] = PyArray_DIMS(self)[i] + * else: + * info.strides = PyArray_STRIDES(self) # <<<<<<<<<<<<<< + * info.shape = PyArray_DIMS(self) + * info.suboffsets = NULL + */ + __pyx_v_info->strides = ((Py_ssize_t *)PyArray_STRIDES(((PyArrayObject *)__pyx_v_self))); + + /* "numpy.pxd":229 + * else: + * info.strides = PyArray_STRIDES(self) + * info.shape = PyArray_DIMS(self) # <<<<<<<<<<<<<< + * info.suboffsets = NULL + * info.itemsize = PyArray_ITEMSIZE(self) + */ + __pyx_v_info->shape = ((Py_ssize_t *)PyArray_DIMS(((PyArrayObject *)__pyx_v_self))); + } + __pyx_L9:; + + /* "numpy.pxd":230 + * info.strides = PyArray_STRIDES(self) + * info.shape = PyArray_DIMS(self) + * info.suboffsets = NULL # <<<<<<<<<<<<<< + * info.itemsize = PyArray_ITEMSIZE(self) + * info.readonly = not PyArray_ISWRITEABLE(self) + */ + __pyx_v_info->suboffsets = NULL; + + /* "numpy.pxd":231 + * info.shape = PyArray_DIMS(self) + * info.suboffsets = NULL + * info.itemsize = PyArray_ITEMSIZE(self) # <<<<<<<<<<<<<< + * info.readonly = not PyArray_ISWRITEABLE(self) + * + */ + __pyx_v_info->itemsize = PyArray_ITEMSIZE(((PyArrayObject *)__pyx_v_self)); + + /* "numpy.pxd":232 + * info.suboffsets = NULL + * info.itemsize = PyArray_ITEMSIZE(self) + * info.readonly = not PyArray_ISWRITEABLE(self) # <<<<<<<<<<<<<< + * + * cdef int t + */ + __pyx_v_info->readonly = (!PyArray_ISWRITEABLE(((PyArrayObject *)__pyx_v_self))); + + /* "numpy.pxd":235 + * + * cdef int t + * cdef char* f = NULL # <<<<<<<<<<<<<< + * cdef dtype descr = self.descr + * cdef list stack + */ + __pyx_v_f = NULL; + + /* "numpy.pxd":236 + * cdef int t + * cdef char* f = NULL + * cdef dtype descr = self.descr # <<<<<<<<<<<<<< + * cdef list stack + * cdef int offset + */ + __Pyx_INCREF(((PyObject *)((PyArrayObject *)__pyx_v_self)->descr)); + __pyx_v_descr = ((PyArrayObject *)__pyx_v_self)->descr; + + /* "numpy.pxd":240 + * cdef int offset + * + * cdef bint hasfields = PyDataType_HASFIELDS(descr) # <<<<<<<<<<<<<< + * + * if not hasfields and not copy_shape: + */ + __pyx_v_hasfields = PyDataType_HASFIELDS(__pyx_v_descr); + + /* "numpy.pxd":242 + * cdef bint hasfields = PyDataType_HASFIELDS(descr) + * + * if not hasfields and not copy_shape: # <<<<<<<<<<<<<< + * # do not call releasebuffer + * info.obj = None + */ + __pyx_t_2 = (!__pyx_v_hasfields); + if (__pyx_t_2) { + __pyx_t_3 = (!__pyx_v_copy_shape); + __pyx_t_1 = __pyx_t_3; + } else { + __pyx_t_1 = __pyx_t_2; + } + if (__pyx_t_1) { + + /* "numpy.pxd":244 + * if not hasfields and not copy_shape: + * # do not call releasebuffer + * info.obj = None # <<<<<<<<<<<<<< + * else: + * # need to call releasebuffer + */ + __Pyx_INCREF(Py_None); + __Pyx_GIVEREF(Py_None); + __Pyx_GOTREF(__pyx_v_info->obj); + __Pyx_DECREF(__pyx_v_info->obj); + __pyx_v_info->obj = Py_None; + goto __pyx_L12; + } + /*else*/ { + + /* "numpy.pxd":247 + * else: + * # need to call releasebuffer + * info.obj = self # <<<<<<<<<<<<<< + * + * if not hasfields: + */ + __Pyx_INCREF(__pyx_v_self); + __Pyx_GIVEREF(__pyx_v_self); + __Pyx_GOTREF(__pyx_v_info->obj); + __Pyx_DECREF(__pyx_v_info->obj); + __pyx_v_info->obj = __pyx_v_self; + } + __pyx_L12:; + + /* "numpy.pxd":249 + * info.obj = self + * + * if not hasfields: # <<<<<<<<<<<<<< + * t = descr.type_num + * if ((descr.byteorder == '>' and little_endian) or + */ + __pyx_t_1 = (!__pyx_v_hasfields); + if (__pyx_t_1) { + + /* "numpy.pxd":250 + * + * if not hasfields: + * t = descr.type_num # <<<<<<<<<<<<<< + * if ((descr.byteorder == '>' and little_endian) or + * (descr.byteorder == '<' and not little_endian)): + */ + __pyx_v_t = __pyx_v_descr->type_num; + + /* "numpy.pxd":251 + * if not hasfields: + * t = descr.type_num + * if ((descr.byteorder == '>' and little_endian) or # <<<<<<<<<<<<<< + * (descr.byteorder == '<' and not little_endian)): + * raise ValueError(u"Non-native byte order not supported") + */ + __pyx_t_1 = (__pyx_v_descr->byteorder == '>'); + if (__pyx_t_1) { + __pyx_t_2 = __pyx_v_little_endian; + } else { + __pyx_t_2 = __pyx_t_1; + } + if (!__pyx_t_2) { + + /* "numpy.pxd":252 + * t = descr.type_num + * if ((descr.byteorder == '>' and little_endian) or + * (descr.byteorder == '<' and not little_endian)): # <<<<<<<<<<<<<< + * raise ValueError(u"Non-native byte order not supported") + * if t == NPY_BYTE: f = "b" + */ + __pyx_t_1 = (__pyx_v_descr->byteorder == '<'); + if (__pyx_t_1) { + __pyx_t_3 = (!__pyx_v_little_endian); + __pyx_t_7 = __pyx_t_3; + } else { + __pyx_t_7 = __pyx_t_1; + } + __pyx_t_1 = __pyx_t_7; + } else { + __pyx_t_1 = __pyx_t_2; + } + if (__pyx_t_1) { + + /* "numpy.pxd":253 + * if ((descr.byteorder == '>' and little_endian) or + * (descr.byteorder == '<' and not little_endian)): + * raise ValueError(u"Non-native byte order not supported") # <<<<<<<<<<<<<< + * if t == NPY_BYTE: f = "b" + * elif t == NPY_UBYTE: f = "B" + */ + __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_10), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 253; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __Pyx_Raise(__pyx_t_4, 0, 0, 0); + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 253; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + goto __pyx_L14; + } + __pyx_L14:; + + /* "numpy.pxd":254 + * (descr.byteorder == '<' and not little_endian)): + * raise ValueError(u"Non-native byte order not supported") + * if t == NPY_BYTE: f = "b" # <<<<<<<<<<<<<< + * elif t == NPY_UBYTE: f = "B" + * elif t == NPY_SHORT: f = "h" + */ + __pyx_t_1 = (__pyx_v_t == NPY_BYTE); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__b; + goto __pyx_L15; + } + + /* "numpy.pxd":255 + * raise ValueError(u"Non-native byte order not supported") + * if t == NPY_BYTE: f = "b" + * elif t == NPY_UBYTE: f = "B" # <<<<<<<<<<<<<< + * elif t == NPY_SHORT: f = "h" + * elif t == NPY_USHORT: f = "H" + */ + __pyx_t_1 = (__pyx_v_t == NPY_UBYTE); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__B; + goto __pyx_L15; + } + + /* "numpy.pxd":256 + * if t == NPY_BYTE: f = "b" + * elif t == NPY_UBYTE: f = "B" + * elif t == NPY_SHORT: f = "h" # <<<<<<<<<<<<<< + * elif t == NPY_USHORT: f = "H" + * elif t == NPY_INT: f = "i" + */ + __pyx_t_1 = (__pyx_v_t == NPY_SHORT); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__h; + goto __pyx_L15; + } + + /* "numpy.pxd":257 + * elif t == NPY_UBYTE: f = "B" + * elif t == NPY_SHORT: f = "h" + * elif t == NPY_USHORT: f = "H" # <<<<<<<<<<<<<< + * elif t == NPY_INT: f = "i" + * elif t == NPY_UINT: f = "I" + */ + __pyx_t_1 = (__pyx_v_t == NPY_USHORT); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__H; + goto __pyx_L15; + } + + /* "numpy.pxd":258 + * elif t == NPY_SHORT: f = "h" + * elif t == NPY_USHORT: f = "H" + * elif t == NPY_INT: f = "i" # <<<<<<<<<<<<<< + * elif t == NPY_UINT: f = "I" + * elif t == NPY_LONG: f = "l" + */ + __pyx_t_1 = (__pyx_v_t == NPY_INT); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__i; + goto __pyx_L15; + } + + /* "numpy.pxd":259 + * elif t == NPY_USHORT: f = "H" + * elif t == NPY_INT: f = "i" + * elif t == NPY_UINT: f = "I" # <<<<<<<<<<<<<< + * elif t == NPY_LONG: f = "l" + * elif t == NPY_ULONG: f = "L" + */ + __pyx_t_1 = (__pyx_v_t == NPY_UINT); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__I; + goto __pyx_L15; + } + + /* "numpy.pxd":260 + * elif t == NPY_INT: f = "i" + * elif t == NPY_UINT: f = "I" + * elif t == NPY_LONG: f = "l" # <<<<<<<<<<<<<< + * elif t == NPY_ULONG: f = "L" + * elif t == NPY_LONGLONG: f = "q" + */ + __pyx_t_1 = (__pyx_v_t == NPY_LONG); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__l; + goto __pyx_L15; + } + + /* "numpy.pxd":261 + * elif t == NPY_UINT: f = "I" + * elif t == NPY_LONG: f = "l" + * elif t == NPY_ULONG: f = "L" # <<<<<<<<<<<<<< + * elif t == NPY_LONGLONG: f = "q" + * elif t == NPY_ULONGLONG: f = "Q" + */ + __pyx_t_1 = (__pyx_v_t == NPY_ULONG); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__L; + goto __pyx_L15; + } + + /* "numpy.pxd":262 + * elif t == NPY_LONG: f = "l" + * elif t == NPY_ULONG: f = "L" + * elif t == NPY_LONGLONG: f = "q" # <<<<<<<<<<<<<< + * elif t == NPY_ULONGLONG: f = "Q" + * elif t == NPY_FLOAT: f = "f" + */ + __pyx_t_1 = (__pyx_v_t == NPY_LONGLONG); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__q; + goto __pyx_L15; + } + + /* "numpy.pxd":263 + * elif t == NPY_ULONG: f = "L" + * elif t == NPY_LONGLONG: f = "q" + * elif t == NPY_ULONGLONG: f = "Q" # <<<<<<<<<<<<<< + * elif t == NPY_FLOAT: f = "f" + * elif t == NPY_DOUBLE: f = "d" + */ + __pyx_t_1 = (__pyx_v_t == NPY_ULONGLONG); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__Q; + goto __pyx_L15; + } + + /* "numpy.pxd":264 + * elif t == NPY_LONGLONG: f = "q" + * elif t == NPY_ULONGLONG: f = "Q" + * elif t == NPY_FLOAT: f = "f" # <<<<<<<<<<<<<< + * elif t == NPY_DOUBLE: f = "d" + * elif t == NPY_LONGDOUBLE: f = "g" + */ + __pyx_t_1 = (__pyx_v_t == NPY_FLOAT); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__f; + goto __pyx_L15; + } + + /* "numpy.pxd":265 + * elif t == NPY_ULONGLONG: f = "Q" + * elif t == NPY_FLOAT: f = "f" + * elif t == NPY_DOUBLE: f = "d" # <<<<<<<<<<<<<< + * elif t == NPY_LONGDOUBLE: f = "g" + * elif t == NPY_CFLOAT: f = "Zf" + */ + __pyx_t_1 = (__pyx_v_t == NPY_DOUBLE); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__d; + goto __pyx_L15; + } + + /* "numpy.pxd":266 + * elif t == NPY_FLOAT: f = "f" + * elif t == NPY_DOUBLE: f = "d" + * elif t == NPY_LONGDOUBLE: f = "g" # <<<<<<<<<<<<<< + * elif t == NPY_CFLOAT: f = "Zf" + * elif t == NPY_CDOUBLE: f = "Zd" + */ + __pyx_t_1 = (__pyx_v_t == NPY_LONGDOUBLE); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__g; + goto __pyx_L15; + } + + /* "numpy.pxd":267 + * elif t == NPY_DOUBLE: f = "d" + * elif t == NPY_LONGDOUBLE: f = "g" + * elif t == NPY_CFLOAT: f = "Zf" # <<<<<<<<<<<<<< + * elif t == NPY_CDOUBLE: f = "Zd" + * elif t == NPY_CLONGDOUBLE: f = "Zg" + */ + __pyx_t_1 = (__pyx_v_t == NPY_CFLOAT); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__Zf; + goto __pyx_L15; + } + + /* "numpy.pxd":268 + * elif t == NPY_LONGDOUBLE: f = "g" + * elif t == NPY_CFLOAT: f = "Zf" + * elif t == NPY_CDOUBLE: f = "Zd" # <<<<<<<<<<<<<< + * elif t == NPY_CLONGDOUBLE: f = "Zg" + * elif t == NPY_OBJECT: f = "O" + */ + __pyx_t_1 = (__pyx_v_t == NPY_CDOUBLE); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__Zd; + goto __pyx_L15; + } + + /* "numpy.pxd":269 + * elif t == NPY_CFLOAT: f = "Zf" + * elif t == NPY_CDOUBLE: f = "Zd" + * elif t == NPY_CLONGDOUBLE: f = "Zg" # <<<<<<<<<<<<<< + * elif t == NPY_OBJECT: f = "O" + * else: + */ + __pyx_t_1 = (__pyx_v_t == NPY_CLONGDOUBLE); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__Zg; + goto __pyx_L15; + } + + /* "numpy.pxd":270 + * elif t == NPY_CDOUBLE: f = "Zd" + * elif t == NPY_CLONGDOUBLE: f = "Zg" + * elif t == NPY_OBJECT: f = "O" # <<<<<<<<<<<<<< + * else: + * raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t) + */ + __pyx_t_1 = (__pyx_v_t == NPY_OBJECT); + if (__pyx_t_1) { + __pyx_v_f = __pyx_k__O; + goto __pyx_L15; + } + /*else*/ { + + /* "numpy.pxd":272 + * elif t == NPY_OBJECT: f = "O" + * else: + * raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t) # <<<<<<<<<<<<<< + * info.format = f + * return + */ + __pyx_t_4 = PyInt_FromLong(__pyx_v_t); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __pyx_t_8 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_11), __pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_8)); + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_4)); + PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_t_8)); + __Pyx_GIVEREF(((PyObject *)__pyx_t_8)); + __pyx_t_8 = 0; + __pyx_t_8 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_8); + __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0; + __Pyx_Raise(__pyx_t_8, 0, 0, 0); + __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0; + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_L15:; + + /* "numpy.pxd":273 + * else: + * raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t) + * info.format = f # <<<<<<<<<<<<<< + * return + * else: + */ + __pyx_v_info->format = __pyx_v_f; + + /* "numpy.pxd":274 + * raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t) + * info.format = f + * return # <<<<<<<<<<<<<< + * else: + * info.format = stdlib.malloc(_buffer_format_string_len) + */ + __pyx_r = 0; + goto __pyx_L0; + goto __pyx_L13; + } + /*else*/ { + + /* "numpy.pxd":276 + * return + * else: + * info.format = stdlib.malloc(_buffer_format_string_len) # <<<<<<<<<<<<<< + * info.format[0] = '^' # Native data types, manual alignment + * offset = 0 + */ + __pyx_v_info->format = ((char *)malloc(255)); + + /* "numpy.pxd":277 + * else: + * info.format = stdlib.malloc(_buffer_format_string_len) + * info.format[0] = '^' # Native data types, manual alignment # <<<<<<<<<<<<<< + * offset = 0 + * f = _util_dtypestring(descr, info.format + 1, + */ + (__pyx_v_info->format[0]) = '^'; + + /* "numpy.pxd":278 + * info.format = stdlib.malloc(_buffer_format_string_len) + * info.format[0] = '^' # Native data types, manual alignment + * offset = 0 # <<<<<<<<<<<<<< + * f = _util_dtypestring(descr, info.format + 1, + * info.format + _buffer_format_string_len, + */ + __pyx_v_offset = 0; + + /* "numpy.pxd":281 + * f = _util_dtypestring(descr, info.format + 1, + * info.format + _buffer_format_string_len, + * &offset) # <<<<<<<<<<<<<< + * f[0] = 0 # Terminate format string + * + */ + __pyx_t_9 = __pyx_f_5numpy__util_dtypestring(__pyx_v_descr, (__pyx_v_info->format + 1), (__pyx_v_info->format + 255), (&__pyx_v_offset)); if (unlikely(__pyx_t_9 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 279; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_v_f = __pyx_t_9; + + /* "numpy.pxd":282 + * info.format + _buffer_format_string_len, + * &offset) + * f[0] = 0 # Terminate format string # <<<<<<<<<<<<<< + * + * def __releasebuffer__(ndarray self, Py_buffer* info): + */ + (__pyx_v_f[0]) = 0; + } + __pyx_L13:; + + __pyx_r = 0; + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_4); + __Pyx_XDECREF(__pyx_t_8); + __Pyx_AddTraceback("numpy.ndarray.__getbuffer__", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = -1; + if (__pyx_v_info != NULL && __pyx_v_info->obj != NULL) { + __Pyx_GOTREF(__pyx_v_info->obj); + __Pyx_DECREF(__pyx_v_info->obj); __pyx_v_info->obj = NULL; + } + goto __pyx_L2; + __pyx_L0:; + if (__pyx_v_info != NULL && __pyx_v_info->obj == Py_None) { + __Pyx_GOTREF(Py_None); + __Pyx_DECREF(Py_None); __pyx_v_info->obj = NULL; + } + __pyx_L2:; + __Pyx_XDECREF((PyObject *)__pyx_v_descr); + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "numpy.pxd":284 + * f[0] = 0 # Terminate format string + * + * def __releasebuffer__(ndarray self, Py_buffer* info): # <<<<<<<<<<<<<< + * if PyArray_HASFIELDS(self): + * stdlib.free(info.format) + */ + +static CYTHON_UNUSED void __pyx_pf_5numpy_7ndarray_1__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info); /*proto*/ +static CYTHON_UNUSED void __pyx_pf_5numpy_7ndarray_1__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info) { + __Pyx_RefNannyDeclarations + int __pyx_t_1; + __Pyx_RefNannySetupContext("__releasebuffer__"); + + /* "numpy.pxd":285 + * + * def __releasebuffer__(ndarray self, Py_buffer* info): + * if PyArray_HASFIELDS(self): # <<<<<<<<<<<<<< + * stdlib.free(info.format) + * if sizeof(npy_intp) != sizeof(Py_ssize_t): + */ + __pyx_t_1 = PyArray_HASFIELDS(((PyArrayObject *)__pyx_v_self)); + if (__pyx_t_1) { + + /* "numpy.pxd":286 + * def __releasebuffer__(ndarray self, Py_buffer* info): + * if PyArray_HASFIELDS(self): + * stdlib.free(info.format) # <<<<<<<<<<<<<< + * if sizeof(npy_intp) != sizeof(Py_ssize_t): + * stdlib.free(info.strides) + */ + free(__pyx_v_info->format); + goto __pyx_L5; + } + __pyx_L5:; + + /* "numpy.pxd":287 + * if PyArray_HASFIELDS(self): + * stdlib.free(info.format) + * if sizeof(npy_intp) != sizeof(Py_ssize_t): # <<<<<<<<<<<<<< + * stdlib.free(info.strides) + * # info.shape was stored after info.strides in the same block + */ + __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t))); + if (__pyx_t_1) { + + /* "numpy.pxd":288 + * stdlib.free(info.format) + * if sizeof(npy_intp) != sizeof(Py_ssize_t): + * stdlib.free(info.strides) # <<<<<<<<<<<<<< + * # info.shape was stored after info.strides in the same block + * + */ + free(__pyx_v_info->strides); + goto __pyx_L6; + } + __pyx_L6:; + + __Pyx_RefNannyFinishContext(); +} + +/* "numpy.pxd":764 + * ctypedef npy_cdouble complex_t + * + * cdef inline object PyArray_MultiIterNew1(a): # <<<<<<<<<<<<<< + * return PyArray_MultiIterNew(1, a) + * + */ + +static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *__pyx_v_a) { + PyObject *__pyx_r = NULL; + __Pyx_RefNannyDeclarations + PyObject *__pyx_t_1 = NULL; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + __Pyx_RefNannySetupContext("PyArray_MultiIterNew1"); + + /* "numpy.pxd":765 + * + * cdef inline object PyArray_MultiIterNew1(a): + * return PyArray_MultiIterNew(1, a) # <<<<<<<<<<<<<< + * + * cdef inline object PyArray_MultiIterNew2(a, b): + */ + __Pyx_XDECREF(__pyx_r); + __pyx_t_1 = PyArray_MultiIterNew(1, ((void *)__pyx_v_a)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 765; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + __pyx_r = __pyx_t_1; + __pyx_t_1 = 0; + goto __pyx_L0; + + __pyx_r = Py_None; __Pyx_INCREF(Py_None); + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_1); + __Pyx_AddTraceback("numpy.PyArray_MultiIterNew1", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = 0; + __pyx_L0:; + __Pyx_XGIVEREF(__pyx_r); + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "numpy.pxd":767 + * return PyArray_MultiIterNew(1, a) + * + * cdef inline object PyArray_MultiIterNew2(a, b): # <<<<<<<<<<<<<< + * return PyArray_MultiIterNew(2, a, b) + * + */ + +static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *__pyx_v_a, PyObject *__pyx_v_b) { + PyObject *__pyx_r = NULL; + __Pyx_RefNannyDeclarations + PyObject *__pyx_t_1 = NULL; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + __Pyx_RefNannySetupContext("PyArray_MultiIterNew2"); + + /* "numpy.pxd":768 + * + * cdef inline object PyArray_MultiIterNew2(a, b): + * return PyArray_MultiIterNew(2, a, b) # <<<<<<<<<<<<<< + * + * cdef inline object PyArray_MultiIterNew3(a, b, c): + */ + __Pyx_XDECREF(__pyx_r); + __pyx_t_1 = PyArray_MultiIterNew(2, ((void *)__pyx_v_a), ((void *)__pyx_v_b)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + __pyx_r = __pyx_t_1; + __pyx_t_1 = 0; + goto __pyx_L0; + + __pyx_r = Py_None; __Pyx_INCREF(Py_None); + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_1); + __Pyx_AddTraceback("numpy.PyArray_MultiIterNew2", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = 0; + __pyx_L0:; + __Pyx_XGIVEREF(__pyx_r); + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "numpy.pxd":770 + * return PyArray_MultiIterNew(2, a, b) + * + * cdef inline object PyArray_MultiIterNew3(a, b, c): # <<<<<<<<<<<<<< + * return PyArray_MultiIterNew(3, a, b, c) + * + */ + +static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c) { + PyObject *__pyx_r = NULL; + __Pyx_RefNannyDeclarations + PyObject *__pyx_t_1 = NULL; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + __Pyx_RefNannySetupContext("PyArray_MultiIterNew3"); + + /* "numpy.pxd":771 + * + * cdef inline object PyArray_MultiIterNew3(a, b, c): + * return PyArray_MultiIterNew(3, a, b, c) # <<<<<<<<<<<<<< + * + * cdef inline object PyArray_MultiIterNew4(a, b, c, d): + */ + __Pyx_XDECREF(__pyx_r); + __pyx_t_1 = PyArray_MultiIterNew(3, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 771; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + __pyx_r = __pyx_t_1; + __pyx_t_1 = 0; + goto __pyx_L0; + + __pyx_r = Py_None; __Pyx_INCREF(Py_None); + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_1); + __Pyx_AddTraceback("numpy.PyArray_MultiIterNew3", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = 0; + __pyx_L0:; + __Pyx_XGIVEREF(__pyx_r); + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "numpy.pxd":773 + * return PyArray_MultiIterNew(3, a, b, c) + * + * cdef inline object PyArray_MultiIterNew4(a, b, c, d): # <<<<<<<<<<<<<< + * return PyArray_MultiIterNew(4, a, b, c, d) + * + */ + +static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d) { + PyObject *__pyx_r = NULL; + __Pyx_RefNannyDeclarations + PyObject *__pyx_t_1 = NULL; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + __Pyx_RefNannySetupContext("PyArray_MultiIterNew4"); + + /* "numpy.pxd":774 + * + * cdef inline object PyArray_MultiIterNew4(a, b, c, d): + * return PyArray_MultiIterNew(4, a, b, c, d) # <<<<<<<<<<<<<< + * + * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e): + */ + __Pyx_XDECREF(__pyx_r); + __pyx_t_1 = PyArray_MultiIterNew(4, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 774; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + __pyx_r = __pyx_t_1; + __pyx_t_1 = 0; + goto __pyx_L0; + + __pyx_r = Py_None; __Pyx_INCREF(Py_None); + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_1); + __Pyx_AddTraceback("numpy.PyArray_MultiIterNew4", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = 0; + __pyx_L0:; + __Pyx_XGIVEREF(__pyx_r); + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "numpy.pxd":776 + * return PyArray_MultiIterNew(4, a, b, c, d) + * + * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e): # <<<<<<<<<<<<<< + * return PyArray_MultiIterNew(5, a, b, c, d, e) + * + */ + +static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d, PyObject *__pyx_v_e) { + PyObject *__pyx_r = NULL; + __Pyx_RefNannyDeclarations + PyObject *__pyx_t_1 = NULL; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + __Pyx_RefNannySetupContext("PyArray_MultiIterNew5"); + + /* "numpy.pxd":777 + * + * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e): + * return PyArray_MultiIterNew(5, a, b, c, d, e) # <<<<<<<<<<<<<< + * + * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL: + */ + __Pyx_XDECREF(__pyx_r); + __pyx_t_1 = PyArray_MultiIterNew(5, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d), ((void *)__pyx_v_e)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 777; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + __pyx_r = __pyx_t_1; + __pyx_t_1 = 0; + goto __pyx_L0; + + __pyx_r = Py_None; __Pyx_INCREF(Py_None); + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_1); + __Pyx_AddTraceback("numpy.PyArray_MultiIterNew5", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = 0; + __pyx_L0:; + __Pyx_XGIVEREF(__pyx_r); + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "numpy.pxd":779 + * return PyArray_MultiIterNew(5, a, b, c, d, e) + * + * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL: # <<<<<<<<<<<<<< + * # Recursive utility function used in __getbuffer__ to get format + * # string. The new location in the format string is returned. + */ + +static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx_v_descr, char *__pyx_v_f, char *__pyx_v_end, int *__pyx_v_offset) { + PyArray_Descr *__pyx_v_child = 0; + int __pyx_v_endian_detector; + int __pyx_v_little_endian; + PyObject *__pyx_v_fields = 0; + PyObject *__pyx_v_childname = NULL; + PyObject *__pyx_v_new_offset = NULL; + PyObject *__pyx_v_t = NULL; + char *__pyx_r; + __Pyx_RefNannyDeclarations + PyObject *__pyx_t_1 = NULL; + Py_ssize_t __pyx_t_2; + PyObject *__pyx_t_3 = NULL; + PyObject *__pyx_t_4 = NULL; + PyObject *__pyx_t_5 = NULL; + int __pyx_t_6; + int __pyx_t_7; + int __pyx_t_8; + int __pyx_t_9; + long __pyx_t_10; + char *__pyx_t_11; + int __pyx_lineno = 0; + const char *__pyx_filename = NULL; + int __pyx_clineno = 0; + __Pyx_RefNannySetupContext("_util_dtypestring"); + + /* "numpy.pxd":786 + * cdef int delta_offset + * cdef tuple i + * cdef int endian_detector = 1 # <<<<<<<<<<<<<< + * cdef bint little_endian = ((&endian_detector)[0] != 0) + * cdef tuple fields + */ + __pyx_v_endian_detector = 1; + + /* "numpy.pxd":787 + * cdef tuple i + * cdef int endian_detector = 1 + * cdef bint little_endian = ((&endian_detector)[0] != 0) # <<<<<<<<<<<<<< + * cdef tuple fields + * + */ + __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0); + + /* "numpy.pxd":790 + * cdef tuple fields + * + * for childname in descr.names: # <<<<<<<<<<<<<< + * fields = descr.fields[childname] + * child, new_offset = fields + */ + if (unlikely(((PyObject *)__pyx_v_descr->names) == Py_None)) { + PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); {__pyx_filename = __pyx_f[1]; __pyx_lineno = 790; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_1 = ((PyObject *)__pyx_v_descr->names); __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0; + for (;;) { + if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break; + __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++; + __Pyx_XDECREF(__pyx_v_childname); + __pyx_v_childname = __pyx_t_3; + __pyx_t_3 = 0; + + /* "numpy.pxd":791 + * + * for childname in descr.names: + * fields = descr.fields[childname] # <<<<<<<<<<<<<< + * child, new_offset = fields + * + */ + __pyx_t_3 = PyObject_GetItem(__pyx_v_descr->fields, __pyx_v_childname); if (!__pyx_t_3) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 791; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + if (!(likely(PyTuple_CheckExact(__pyx_t_3))||((__pyx_t_3) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected tuple, got %.200s", Py_TYPE(__pyx_t_3)->tp_name), 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 791; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_XDECREF(((PyObject *)__pyx_v_fields)); + __pyx_v_fields = ((PyObject*)__pyx_t_3); + __pyx_t_3 = 0; + + /* "numpy.pxd":792 + * for childname in descr.names: + * fields = descr.fields[childname] + * child, new_offset = fields # <<<<<<<<<<<<<< + * + * if (end - f) - (new_offset - offset[0]) < 15: + */ + if (likely(PyTuple_CheckExact(((PyObject *)__pyx_v_fields)))) { + PyObject* sequence = ((PyObject *)__pyx_v_fields); + if (unlikely(PyTuple_GET_SIZE(sequence) != 2)) { + if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2); + else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence)); + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 792; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_t_3 = PyTuple_GET_ITEM(sequence, 0); + __pyx_t_4 = PyTuple_GET_ITEM(sequence, 1); + __Pyx_INCREF(__pyx_t_3); + __Pyx_INCREF(__pyx_t_4); + } else { + __Pyx_UnpackTupleError(((PyObject *)__pyx_v_fields), 2); + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 792; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_dtype))))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 792; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_XDECREF(((PyObject *)__pyx_v_child)); + __pyx_v_child = ((PyArray_Descr *)__pyx_t_3); + __pyx_t_3 = 0; + __Pyx_XDECREF(__pyx_v_new_offset); + __pyx_v_new_offset = __pyx_t_4; + __pyx_t_4 = 0; + + /* "numpy.pxd":794 + * child, new_offset = fields + * + * if (end - f) - (new_offset - offset[0]) < 15: # <<<<<<<<<<<<<< + * raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd") + * + */ + __pyx_t_4 = PyInt_FromLong((__pyx_v_end - __pyx_v_f)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_4); + __pyx_t_3 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyNumber_Subtract(__pyx_v_new_offset, __pyx_t_3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_3 = PyNumber_Subtract(__pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_int_15, Py_LT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + + /* "numpy.pxd":795 + * + * if (end - f) - (new_offset - offset[0]) < 15: + * raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd") # <<<<<<<<<<<<<< + * + * if ((child.byteorder == '>' and little_endian) or + */ + __pyx_t_5 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_13), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_Raise(__pyx_t_5, 0, 0, 0); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + goto __pyx_L5; + } + __pyx_L5:; + + /* "numpy.pxd":797 + * raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd") + * + * if ((child.byteorder == '>' and little_endian) or # <<<<<<<<<<<<<< + * (child.byteorder == '<' and not little_endian)): + * raise ValueError(u"Non-native byte order not supported") + */ + __pyx_t_6 = (__pyx_v_child->byteorder == '>'); + if (__pyx_t_6) { + __pyx_t_7 = __pyx_v_little_endian; + } else { + __pyx_t_7 = __pyx_t_6; + } + if (!__pyx_t_7) { + + /* "numpy.pxd":798 + * + * if ((child.byteorder == '>' and little_endian) or + * (child.byteorder == '<' and not little_endian)): # <<<<<<<<<<<<<< + * raise ValueError(u"Non-native byte order not supported") + * # One could encode it in the format string and have Cython + */ + __pyx_t_6 = (__pyx_v_child->byteorder == '<'); + if (__pyx_t_6) { + __pyx_t_8 = (!__pyx_v_little_endian); + __pyx_t_9 = __pyx_t_8; + } else { + __pyx_t_9 = __pyx_t_6; + } + __pyx_t_6 = __pyx_t_9; + } else { + __pyx_t_6 = __pyx_t_7; + } + if (__pyx_t_6) { + + /* "numpy.pxd":799 + * if ((child.byteorder == '>' and little_endian) or + * (child.byteorder == '<' and not little_endian)): + * raise ValueError(u"Non-native byte order not supported") # <<<<<<<<<<<<<< + * # One could encode it in the format string and have Cython + * # complain instead, BUT: < and > in format strings also imply + */ + __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_14), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_Raise(__pyx_t_5, 0, 0, 0); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + goto __pyx_L6; + } + __pyx_L6:; + + /* "numpy.pxd":809 + * + * # Output padding bytes + * while offset[0] < new_offset: # <<<<<<<<<<<<<< + * f[0] = 120 # "x"; pad byte + * f += 1 + */ + while (1) { + __pyx_t_5 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 809; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyObject_RichCompare(__pyx_t_5, __pyx_v_new_offset, Py_LT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 809; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 809; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (!__pyx_t_6) break; + + /* "numpy.pxd":810 + * # Output padding bytes + * while offset[0] < new_offset: + * f[0] = 120 # "x"; pad byte # <<<<<<<<<<<<<< + * f += 1 + * offset[0] += 1 + */ + (__pyx_v_f[0]) = 120; + + /* "numpy.pxd":811 + * while offset[0] < new_offset: + * f[0] = 120 # "x"; pad byte + * f += 1 # <<<<<<<<<<<<<< + * offset[0] += 1 + * + */ + __pyx_v_f = (__pyx_v_f + 1); + + /* "numpy.pxd":812 + * f[0] = 120 # "x"; pad byte + * f += 1 + * offset[0] += 1 # <<<<<<<<<<<<<< + * + * offset[0] += child.itemsize + */ + __pyx_t_10 = 0; + (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + 1); + } + + /* "numpy.pxd":814 + * offset[0] += 1 + * + * offset[0] += child.itemsize # <<<<<<<<<<<<<< + * + * if not PyDataType_HASFIELDS(child): + */ + __pyx_t_10 = 0; + (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + __pyx_v_child->elsize); + + /* "numpy.pxd":816 + * offset[0] += child.itemsize + * + * if not PyDataType_HASFIELDS(child): # <<<<<<<<<<<<<< + * t = child.type_num + * if end - f < 5: + */ + __pyx_t_6 = (!PyDataType_HASFIELDS(__pyx_v_child)); + if (__pyx_t_6) { + + /* "numpy.pxd":817 + * + * if not PyDataType_HASFIELDS(child): + * t = child.type_num # <<<<<<<<<<<<<< + * if end - f < 5: + * raise RuntimeError(u"Format string allocated too short.") + */ + __pyx_t_3 = PyInt_FromLong(__pyx_v_child->type_num); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 817; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_XDECREF(__pyx_v_t); + __pyx_v_t = __pyx_t_3; + __pyx_t_3 = 0; + + /* "numpy.pxd":818 + * if not PyDataType_HASFIELDS(child): + * t = child.type_num + * if end - f < 5: # <<<<<<<<<<<<<< + * raise RuntimeError(u"Format string allocated too short.") + * + */ + __pyx_t_6 = ((__pyx_v_end - __pyx_v_f) < 5); + if (__pyx_t_6) { + + /* "numpy.pxd":819 + * t = child.type_num + * if end - f < 5: + * raise RuntimeError(u"Format string allocated too short.") # <<<<<<<<<<<<<< + * + * # Until ticket #99 is fixed, use integers to avoid warnings + */ + __pyx_t_3 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_16), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 819; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_Raise(__pyx_t_3, 0, 0, 0); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 819; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + goto __pyx_L10; + } + __pyx_L10:; + + /* "numpy.pxd":822 + * + * # Until ticket #99 is fixed, use integers to avoid warnings + * if t == NPY_BYTE: f[0] = 98 #"b" # <<<<<<<<<<<<<< + * elif t == NPY_UBYTE: f[0] = 66 #"B" + * elif t == NPY_SHORT: f[0] = 104 #"h" + */ + __pyx_t_3 = PyInt_FromLong(NPY_BYTE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 98; + goto __pyx_L11; + } + + /* "numpy.pxd":823 + * # Until ticket #99 is fixed, use integers to avoid warnings + * if t == NPY_BYTE: f[0] = 98 #"b" + * elif t == NPY_UBYTE: f[0] = 66 #"B" # <<<<<<<<<<<<<< + * elif t == NPY_SHORT: f[0] = 104 #"h" + * elif t == NPY_USHORT: f[0] = 72 #"H" + */ + __pyx_t_5 = PyInt_FromLong(NPY_UBYTE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 66; + goto __pyx_L11; + } + + /* "numpy.pxd":824 + * if t == NPY_BYTE: f[0] = 98 #"b" + * elif t == NPY_UBYTE: f[0] = 66 #"B" + * elif t == NPY_SHORT: f[0] = 104 #"h" # <<<<<<<<<<<<<< + * elif t == NPY_USHORT: f[0] = 72 #"H" + * elif t == NPY_INT: f[0] = 105 #"i" + */ + __pyx_t_3 = PyInt_FromLong(NPY_SHORT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 824; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 824; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 824; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 104; + goto __pyx_L11; + } + + /* "numpy.pxd":825 + * elif t == NPY_UBYTE: f[0] = 66 #"B" + * elif t == NPY_SHORT: f[0] = 104 #"h" + * elif t == NPY_USHORT: f[0] = 72 #"H" # <<<<<<<<<<<<<< + * elif t == NPY_INT: f[0] = 105 #"i" + * elif t == NPY_UINT: f[0] = 73 #"I" + */ + __pyx_t_5 = PyInt_FromLong(NPY_USHORT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 72; + goto __pyx_L11; + } + + /* "numpy.pxd":826 + * elif t == NPY_SHORT: f[0] = 104 #"h" + * elif t == NPY_USHORT: f[0] = 72 #"H" + * elif t == NPY_INT: f[0] = 105 #"i" # <<<<<<<<<<<<<< + * elif t == NPY_UINT: f[0] = 73 #"I" + * elif t == NPY_LONG: f[0] = 108 #"l" + */ + __pyx_t_3 = PyInt_FromLong(NPY_INT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 105; + goto __pyx_L11; + } + + /* "numpy.pxd":827 + * elif t == NPY_USHORT: f[0] = 72 #"H" + * elif t == NPY_INT: f[0] = 105 #"i" + * elif t == NPY_UINT: f[0] = 73 #"I" # <<<<<<<<<<<<<< + * elif t == NPY_LONG: f[0] = 108 #"l" + * elif t == NPY_ULONG: f[0] = 76 #"L" + */ + __pyx_t_5 = PyInt_FromLong(NPY_UINT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 73; + goto __pyx_L11; + } + + /* "numpy.pxd":828 + * elif t == NPY_INT: f[0] = 105 #"i" + * elif t == NPY_UINT: f[0] = 73 #"I" + * elif t == NPY_LONG: f[0] = 108 #"l" # <<<<<<<<<<<<<< + * elif t == NPY_ULONG: f[0] = 76 #"L" + * elif t == NPY_LONGLONG: f[0] = 113 #"q" + */ + __pyx_t_3 = PyInt_FromLong(NPY_LONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 108; + goto __pyx_L11; + } + + /* "numpy.pxd":829 + * elif t == NPY_UINT: f[0] = 73 #"I" + * elif t == NPY_LONG: f[0] = 108 #"l" + * elif t == NPY_ULONG: f[0] = 76 #"L" # <<<<<<<<<<<<<< + * elif t == NPY_LONGLONG: f[0] = 113 #"q" + * elif t == NPY_ULONGLONG: f[0] = 81 #"Q" + */ + __pyx_t_5 = PyInt_FromLong(NPY_ULONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 76; + goto __pyx_L11; + } + + /* "numpy.pxd":830 + * elif t == NPY_LONG: f[0] = 108 #"l" + * elif t == NPY_ULONG: f[0] = 76 #"L" + * elif t == NPY_LONGLONG: f[0] = 113 #"q" # <<<<<<<<<<<<<< + * elif t == NPY_ULONGLONG: f[0] = 81 #"Q" + * elif t == NPY_FLOAT: f[0] = 102 #"f" + */ + __pyx_t_3 = PyInt_FromLong(NPY_LONGLONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 113; + goto __pyx_L11; + } + + /* "numpy.pxd":831 + * elif t == NPY_ULONG: f[0] = 76 #"L" + * elif t == NPY_LONGLONG: f[0] = 113 #"q" + * elif t == NPY_ULONGLONG: f[0] = 81 #"Q" # <<<<<<<<<<<<<< + * elif t == NPY_FLOAT: f[0] = 102 #"f" + * elif t == NPY_DOUBLE: f[0] = 100 #"d" + */ + __pyx_t_5 = PyInt_FromLong(NPY_ULONGLONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 81; + goto __pyx_L11; + } + + /* "numpy.pxd":832 + * elif t == NPY_LONGLONG: f[0] = 113 #"q" + * elif t == NPY_ULONGLONG: f[0] = 81 #"Q" + * elif t == NPY_FLOAT: f[0] = 102 #"f" # <<<<<<<<<<<<<< + * elif t == NPY_DOUBLE: f[0] = 100 #"d" + * elif t == NPY_LONGDOUBLE: f[0] = 103 #"g" + */ + __pyx_t_3 = PyInt_FromLong(NPY_FLOAT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 102; + goto __pyx_L11; + } + + /* "numpy.pxd":833 + * elif t == NPY_ULONGLONG: f[0] = 81 #"Q" + * elif t == NPY_FLOAT: f[0] = 102 #"f" + * elif t == NPY_DOUBLE: f[0] = 100 #"d" # <<<<<<<<<<<<<< + * elif t == NPY_LONGDOUBLE: f[0] = 103 #"g" + * elif t == NPY_CFLOAT: f[0] = 90; f[1] = 102; f += 1 # Zf + */ + __pyx_t_5 = PyInt_FromLong(NPY_DOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 100; + goto __pyx_L11; + } + + /* "numpy.pxd":834 + * elif t == NPY_FLOAT: f[0] = 102 #"f" + * elif t == NPY_DOUBLE: f[0] = 100 #"d" + * elif t == NPY_LONGDOUBLE: f[0] = 103 #"g" # <<<<<<<<<<<<<< + * elif t == NPY_CFLOAT: f[0] = 90; f[1] = 102; f += 1 # Zf + * elif t == NPY_CDOUBLE: f[0] = 90; f[1] = 100; f += 1 # Zd + */ + __pyx_t_3 = PyInt_FromLong(NPY_LONGDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 103; + goto __pyx_L11; + } + + /* "numpy.pxd":835 + * elif t == NPY_DOUBLE: f[0] = 100 #"d" + * elif t == NPY_LONGDOUBLE: f[0] = 103 #"g" + * elif t == NPY_CFLOAT: f[0] = 90; f[1] = 102; f += 1 # Zf # <<<<<<<<<<<<<< + * elif t == NPY_CDOUBLE: f[0] = 90; f[1] = 100; f += 1 # Zd + * elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg + */ + __pyx_t_5 = PyInt_FromLong(NPY_CFLOAT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 90; + (__pyx_v_f[1]) = 102; + __pyx_v_f = (__pyx_v_f + 1); + goto __pyx_L11; + } + + /* "numpy.pxd":836 + * elif t == NPY_LONGDOUBLE: f[0] = 103 #"g" + * elif t == NPY_CFLOAT: f[0] = 90; f[1] = 102; f += 1 # Zf + * elif t == NPY_CDOUBLE: f[0] = 90; f[1] = 100; f += 1 # Zd # <<<<<<<<<<<<<< + * elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg + * elif t == NPY_OBJECT: f[0] = 79 #"O" + */ + __pyx_t_3 = PyInt_FromLong(NPY_CDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 90; + (__pyx_v_f[1]) = 100; + __pyx_v_f = (__pyx_v_f + 1); + goto __pyx_L11; + } + + /* "numpy.pxd":837 + * elif t == NPY_CFLOAT: f[0] = 90; f[1] = 102; f += 1 # Zf + * elif t == NPY_CDOUBLE: f[0] = 90; f[1] = 100; f += 1 # Zd + * elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg # <<<<<<<<<<<<<< + * elif t == NPY_OBJECT: f[0] = 79 #"O" + * else: + */ + __pyx_t_5 = PyInt_FromLong(NPY_CLONGDOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 90; + (__pyx_v_f[1]) = 103; + __pyx_v_f = (__pyx_v_f + 1); + goto __pyx_L11; + } + + /* "numpy.pxd":838 + * elif t == NPY_CDOUBLE: f[0] = 90; f[1] = 100; f += 1 # Zd + * elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg + * elif t == NPY_OBJECT: f[0] = 79 #"O" # <<<<<<<<<<<<<< + * else: + * raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t) + */ + __pyx_t_3 = PyInt_FromLong(NPY_OBJECT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + if (__pyx_t_6) { + (__pyx_v_f[0]) = 79; + goto __pyx_L11; + } + /*else*/ { + + /* "numpy.pxd":840 + * elif t == NPY_OBJECT: f[0] = 79 #"O" + * else: + * raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t) # <<<<<<<<<<<<<< + * f += 1 + * else: + */ + __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_11), __pyx_v_t); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_5)); + __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_3)); + PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_t_5)); + __Pyx_GIVEREF(((PyObject *)__pyx_t_5)); + __pyx_t_5 = 0; + __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_5); + __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0; + __Pyx_Raise(__pyx_t_5, 0, 0, 0); + __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; + {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + } + __pyx_L11:; + + /* "numpy.pxd":841 + * else: + * raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t) + * f += 1 # <<<<<<<<<<<<<< + * else: + * # Cython ignores struct boundary information ("T{...}"), + */ + __pyx_v_f = (__pyx_v_f + 1); + goto __pyx_L9; + } + /*else*/ { + + /* "numpy.pxd":845 + * # Cython ignores struct boundary information ("T{...}"), + * # so don't output it + * f = _util_dtypestring(child, f, end, offset) # <<<<<<<<<<<<<< + * return f + * + */ + __pyx_t_11 = __pyx_f_5numpy__util_dtypestring(__pyx_v_child, __pyx_v_f, __pyx_v_end, __pyx_v_offset); if (unlikely(__pyx_t_11 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 845; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_v_f = __pyx_t_11; + } + __pyx_L9:; + } + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + + /* "numpy.pxd":846 + * # so don't output it + * f = _util_dtypestring(child, f, end, offset) + * return f # <<<<<<<<<<<<<< + * + * + */ + __pyx_r = __pyx_v_f; + goto __pyx_L0; + + __pyx_r = 0; + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_1); + __Pyx_XDECREF(__pyx_t_3); + __Pyx_XDECREF(__pyx_t_4); + __Pyx_XDECREF(__pyx_t_5); + __Pyx_AddTraceback("numpy._util_dtypestring", __pyx_clineno, __pyx_lineno, __pyx_filename); + __pyx_r = NULL; + __pyx_L0:; + __Pyx_XDECREF((PyObject *)__pyx_v_child); + __Pyx_XDECREF(__pyx_v_fields); + __Pyx_XDECREF(__pyx_v_childname); + __Pyx_XDECREF(__pyx_v_new_offset); + __Pyx_XDECREF(__pyx_v_t); + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +/* "numpy.pxd":961 + * + * + * cdef inline void set_array_base(ndarray arr, object base): # <<<<<<<<<<<<<< + * cdef PyObject* baseptr + * if base is None: + */ + +static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_arr, PyObject *__pyx_v_base) { + PyObject *__pyx_v_baseptr; + __Pyx_RefNannyDeclarations + int __pyx_t_1; + __Pyx_RefNannySetupContext("set_array_base"); + + /* "numpy.pxd":963 + * cdef inline void set_array_base(ndarray arr, object base): + * cdef PyObject* baseptr + * if base is None: # <<<<<<<<<<<<<< + * baseptr = NULL + * else: + */ + __pyx_t_1 = (__pyx_v_base == Py_None); + if (__pyx_t_1) { + + /* "numpy.pxd":964 + * cdef PyObject* baseptr + * if base is None: + * baseptr = NULL # <<<<<<<<<<<<<< + * else: + * Py_INCREF(base) # important to do this before decref below! + */ + __pyx_v_baseptr = NULL; + goto __pyx_L3; + } + /*else*/ { + + /* "numpy.pxd":966 + * baseptr = NULL + * else: + * Py_INCREF(base) # important to do this before decref below! # <<<<<<<<<<<<<< + * baseptr = base + * Py_XDECREF(arr.base) + */ + Py_INCREF(__pyx_v_base); + + /* "numpy.pxd":967 + * else: + * Py_INCREF(base) # important to do this before decref below! + * baseptr = base # <<<<<<<<<<<<<< + * Py_XDECREF(arr.base) + * arr.base = baseptr + */ + __pyx_v_baseptr = ((PyObject *)__pyx_v_base); + } + __pyx_L3:; + + /* "numpy.pxd":968 + * Py_INCREF(base) # important to do this before decref below! + * baseptr = base + * Py_XDECREF(arr.base) # <<<<<<<<<<<<<< + * arr.base = baseptr + * + */ + Py_XDECREF(__pyx_v_arr->base); + + /* "numpy.pxd":969 + * baseptr = base + * Py_XDECREF(arr.base) + * arr.base = baseptr # <<<<<<<<<<<<<< + * + * cdef inline object get_array_base(ndarray arr): + */ + __pyx_v_arr->base = __pyx_v_baseptr; + + __Pyx_RefNannyFinishContext(); +} + +/* "numpy.pxd":971 + * arr.base = baseptr + * + * cdef inline object get_array_base(ndarray arr): # <<<<<<<<<<<<<< + * if arr.base is NULL: + * return None + */ + +static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__pyx_v_arr) { + PyObject *__pyx_r = NULL; + __Pyx_RefNannyDeclarations + int __pyx_t_1; + __Pyx_RefNannySetupContext("get_array_base"); + + /* "numpy.pxd":972 + * + * cdef inline object get_array_base(ndarray arr): + * if arr.base is NULL: # <<<<<<<<<<<<<< + * return None + * else: + */ + __pyx_t_1 = (__pyx_v_arr->base == NULL); + if (__pyx_t_1) { + + /* "numpy.pxd":973 + * cdef inline object get_array_base(ndarray arr): + * if arr.base is NULL: + * return None # <<<<<<<<<<<<<< + * else: + * return arr.base + */ + __Pyx_XDECREF(__pyx_r); + __Pyx_INCREF(Py_None); + __pyx_r = Py_None; + goto __pyx_L0; + goto __pyx_L3; + } + /*else*/ { + + /* "numpy.pxd":975 + * return None + * else: + * return arr.base # <<<<<<<<<<<<<< + */ + __Pyx_XDECREF(__pyx_r); + __Pyx_INCREF(((PyObject *)__pyx_v_arr->base)); + __pyx_r = ((PyObject *)__pyx_v_arr->base); + goto __pyx_L0; + } + __pyx_L3:; + + __pyx_r = Py_None; __Pyx_INCREF(Py_None); + __pyx_L0:; + __Pyx_XGIVEREF(__pyx_r); + __Pyx_RefNannyFinishContext(); + return __pyx_r; +} + +static PyMethodDef __pyx_methods[] = { + {0, 0, 0, 0} +}; + +#if PY_MAJOR_VERSION >= 3 +static struct PyModuleDef __pyx_moduledef = { + PyModuleDef_HEAD_INIT, + __Pyx_NAMESTR("graph_traversal"), + __Pyx_DOCSTR(__pyx_k_17), /* m_doc */ + -1, /* m_size */ + __pyx_methods /* m_methods */, + NULL, /* m_reload */ + NULL, /* m_traverse */ + NULL, /* m_clear */ + NULL /* m_free */ +}; +#endif + +static __Pyx_StringTabEntry __pyx_string_tab[] = { + {&__pyx_kp_u_11, __pyx_k_11, sizeof(__pyx_k_11), 0, 1, 0, 0}, + {&__pyx_kp_u_12, __pyx_k_12, sizeof(__pyx_k_12), 0, 1, 0, 0}, + {&__pyx_kp_u_15, __pyx_k_15, sizeof(__pyx_k_15), 0, 1, 0, 0}, + {&__pyx_n_s_18, __pyx_k_18, sizeof(__pyx_k_18), 0, 0, 1, 1}, + {&__pyx_n_s_19, __pyx_k_19, sizeof(__pyx_k_19), 0, 0, 1, 1}, + {&__pyx_n_s_20, __pyx_k_20, sizeof(__pyx_k_20), 0, 0, 1, 1}, + {&__pyx_kp_s_3, __pyx_k_3, sizeof(__pyx_k_3), 0, 0, 1, 0}, + {&__pyx_kp_u_5, __pyx_k_5, sizeof(__pyx_k_5), 0, 1, 0, 0}, + {&__pyx_kp_u_7, __pyx_k_7, sizeof(__pyx_k_7), 0, 1, 0, 0}, + {&__pyx_kp_u_9, __pyx_k_9, sizeof(__pyx_k_9), 0, 1, 0, 0}, + {&__pyx_n_s__DTYPE, __pyx_k__DTYPE, sizeof(__pyx_k__DTYPE), 0, 0, 1, 1}, + {&__pyx_n_s__ITYPE, __pyx_k__ITYPE, sizeof(__pyx_k__ITYPE), 0, 0, 1, 1}, + {&__pyx_n_s__RuntimeError, __pyx_k__RuntimeError, sizeof(__pyx_k__RuntimeError), 0, 0, 1, 1}, + {&__pyx_n_s__T, __pyx_k__T, sizeof(__pyx_k__T), 0, 0, 1, 1}, + {&__pyx_n_s__ValueError, __pyx_k__ValueError, sizeof(__pyx_k__ValueError), 0, 0, 1, 1}, + {&__pyx_n_s____main__, __pyx_k____main__, sizeof(__pyx_k____main__), 0, 0, 1, 1}, + {&__pyx_n_s____test__, __pyx_k____test__, sizeof(__pyx_k____test__), 0, 0, 1, 1}, + {&__pyx_n_s__csgraph, __pyx_k__csgraph, sizeof(__pyx_k__csgraph), 0, 0, 1, 1}, + {&__pyx_n_s__csr_matrix, __pyx_k__csr_matrix, sizeof(__pyx_k__csr_matrix), 0, 0, 1, 1}, + {&__pyx_n_s__directed, __pyx_k__directed, sizeof(__pyx_k__directed), 0, 0, 1, 1}, + {&__pyx_n_s__dtype, __pyx_k__dtype, sizeof(__pyx_k__dtype), 0, 0, 1, 1}, + {&__pyx_n_s__empty, __pyx_k__empty, sizeof(__pyx_k__empty), 0, 0, 1, 1}, + {&__pyx_n_s__fill, __pyx_k__fill, sizeof(__pyx_k__fill), 0, 0, 1, 1}, + {&__pyx_n_s__float64, __pyx_k__float64, sizeof(__pyx_k__float64), 0, 0, 1, 1}, + {&__pyx_n_s__i_start, __pyx_k__i_start, sizeof(__pyx_k__i_start), 0, 0, 1, 1}, + {&__pyx_n_s__indices, __pyx_k__indices, sizeof(__pyx_k__indices), 0, 0, 1, 1}, + {&__pyx_n_s__indptr, __pyx_k__indptr, sizeof(__pyx_k__indptr), 0, 0, 1, 1}, + {&__pyx_n_s__int32, __pyx_k__int32, sizeof(__pyx_k__int32), 0, 0, 1, 1}, + {&__pyx_n_s__isspmatrix, __pyx_k__isspmatrix, sizeof(__pyx_k__isspmatrix), 0, 0, 1, 1}, + {&__pyx_n_s__isspmatrix_csc, __pyx_k__isspmatrix_csc, sizeof(__pyx_k__isspmatrix_csc), 0, 0, 1, 1}, + {&__pyx_n_s__isspmatrix_csr, __pyx_k__isspmatrix_csr, sizeof(__pyx_k__isspmatrix_csr), 0, 0, 1, 1}, + {&__pyx_n_s__np, __pyx_k__np, sizeof(__pyx_k__np), 0, 0, 1, 1}, + {&__pyx_n_s__numpy, __pyx_k__numpy, sizeof(__pyx_k__numpy), 0, 0, 1, 1}, + {&__pyx_n_s__range, __pyx_k__range, sizeof(__pyx_k__range), 0, 0, 1, 1}, + {&__pyx_n_s__return_predecessors, __pyx_k__return_predecessors, sizeof(__pyx_k__return_predecessors), 0, 0, 1, 1}, + {&__pyx_n_s__shape, __pyx_k__shape, sizeof(__pyx_k__shape), 0, 0, 1, 1}, + {&__pyx_n_s__tocsr, __pyx_k__tocsr, sizeof(__pyx_k__tocsr), 0, 0, 1, 1}, + {0, 0, 0, 0, 0, 0, 0} +}; +static int __Pyx_InitCachedBuiltins(void) { + __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 68; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_builtin_range = __Pyx_GetName(__pyx_b, __pyx_n_s__range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 224; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_builtin_RuntimeError = __Pyx_GetName(__pyx_b, __pyx_n_s__RuntimeError); if (!__pyx_builtin_RuntimeError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + return 0; + __pyx_L1_error:; + return -1; +} + +static int __Pyx_InitCachedConstants(void) { + __Pyx_RefNannyDeclarations + __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants"); + + /* "scipy/sparse/csgraph/graph_traversal.pyx":68 + * cdef int N = csgraph.shape[0] + * if csgraph.shape[1] != N: + * raise ValueError("csgraph must be a square matrix") # <<<<<<<<<<<<<< + * + * cdef np.ndarray node_list = np.empty(N, dtype=ITYPE) + */ + __pyx_k_tuple_4 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 68; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_k_tuple_4)); + __Pyx_INCREF(((PyObject *)__pyx_kp_s_3)); + PyTuple_SET_ITEM(__pyx_k_tuple_4, 0, ((PyObject *)__pyx_kp_s_3)); + __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_3)); + __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_4)); + + /* "numpy.pxd":211 + * if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS) + * and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)): + * raise ValueError(u"ndarray is not C contiguous") # <<<<<<<<<<<<<< + * + * if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS) + */ + __pyx_k_tuple_6 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_6)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_k_tuple_6)); + __Pyx_INCREF(((PyObject *)__pyx_kp_u_5)); + PyTuple_SET_ITEM(__pyx_k_tuple_6, 0, ((PyObject *)__pyx_kp_u_5)); + __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_5)); + __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_6)); + + /* "numpy.pxd":215 + * if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS) + * and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)): + * raise ValueError(u"ndarray is not Fortran contiguous") # <<<<<<<<<<<<<< + * + * info.buf = PyArray_DATA(self) + */ + __pyx_k_tuple_8 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_k_tuple_8)); + __Pyx_INCREF(((PyObject *)__pyx_kp_u_7)); + PyTuple_SET_ITEM(__pyx_k_tuple_8, 0, ((PyObject *)__pyx_kp_u_7)); + __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_7)); + __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_8)); + + /* "numpy.pxd":253 + * if ((descr.byteorder == '>' and little_endian) or + * (descr.byteorder == '<' and not little_endian)): + * raise ValueError(u"Non-native byte order not supported") # <<<<<<<<<<<<<< + * if t == NPY_BYTE: f = "b" + * elif t == NPY_UBYTE: f = "B" + */ + __pyx_k_tuple_10 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_10)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 253; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_k_tuple_10)); + __Pyx_INCREF(((PyObject *)__pyx_kp_u_9)); + PyTuple_SET_ITEM(__pyx_k_tuple_10, 0, ((PyObject *)__pyx_kp_u_9)); + __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_9)); + __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_10)); + + /* "numpy.pxd":795 + * + * if (end - f) - (new_offset - offset[0]) < 15: + * raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd") # <<<<<<<<<<<<<< + * + * if ((child.byteorder == '>' and little_endian) or + */ + __pyx_k_tuple_13 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_13)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_k_tuple_13)); + __Pyx_INCREF(((PyObject *)__pyx_kp_u_12)); + PyTuple_SET_ITEM(__pyx_k_tuple_13, 0, ((PyObject *)__pyx_kp_u_12)); + __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_12)); + __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_13)); + + /* "numpy.pxd":799 + * if ((child.byteorder == '>' and little_endian) or + * (child.byteorder == '<' and not little_endian)): + * raise ValueError(u"Non-native byte order not supported") # <<<<<<<<<<<<<< + * # One could encode it in the format string and have Cython + * # complain instead, BUT: < and > in format strings also imply + */ + __pyx_k_tuple_14 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_14)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_k_tuple_14)); + __Pyx_INCREF(((PyObject *)__pyx_kp_u_9)); + PyTuple_SET_ITEM(__pyx_k_tuple_14, 0, ((PyObject *)__pyx_kp_u_9)); + __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_9)); + __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_14)); + + /* "numpy.pxd":819 + * t = child.type_num + * if end - f < 5: + * raise RuntimeError(u"Format string allocated too short.") # <<<<<<<<<<<<<< + * + * # Until ticket #99 is fixed, use integers to avoid warnings + */ + __pyx_k_tuple_16 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_16)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 819; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_k_tuple_16)); + __Pyx_INCREF(((PyObject *)__pyx_kp_u_15)); + PyTuple_SET_ITEM(__pyx_k_tuple_16, 0, ((PyObject *)__pyx_kp_u_15)); + __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_15)); + __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_16)); + __Pyx_RefNannyFinishContext(); + return 0; + __pyx_L1_error:; + __Pyx_RefNannyFinishContext(); + return -1; +} + +static int __Pyx_InitGlobals(void) { + if (__Pyx_InitStrings(__pyx_string_tab) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}; + __pyx_int_15 = PyInt_FromLong(15); if (unlikely(!__pyx_int_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}; + return 0; + __pyx_L1_error:; + return -1; +} + +#if PY_MAJOR_VERSION < 3 +PyMODINIT_FUNC initgraph_traversal(void); /*proto*/ +PyMODINIT_FUNC initgraph_traversal(void) +#else +PyMODINIT_FUNC PyInit_graph_traversal(void); /*proto*/ +PyMODINIT_FUNC PyInit_graph_traversal(void) +#endif +{ + PyObject *__pyx_t_1 = NULL; + PyObject *__pyx_t_2 = NULL; + __Pyx_RefNannyDeclarations + #if CYTHON_REFNANNY + __Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny"); + if (!__Pyx_RefNanny) { + PyErr_Clear(); + __Pyx_RefNanny = __Pyx_RefNannyImportAPI("Cython.Runtime.refnanny"); + if (!__Pyx_RefNanny) + Py_FatalError("failed to import 'refnanny' module"); + } + #endif + __Pyx_RefNannySetupContext("PyMODINIT_FUNC PyInit_graph_traversal(void)"); + if ( __Pyx_check_binary_version() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + #ifdef __pyx_binding_PyCFunctionType_USED + if (__pyx_binding_PyCFunctionType_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + #endif + /*--- Library function declarations ---*/ + /*--- Threads initialization code ---*/ + #if defined(__PYX_FORCE_INIT_THREADS) && __PYX_FORCE_INIT_THREADS + #ifdef WITH_THREAD /* Python build with threading support? */ + PyEval_InitThreads(); + #endif + #endif + /*--- Module creation code ---*/ + #if PY_MAJOR_VERSION < 3 + __pyx_m = Py_InitModule4(__Pyx_NAMESTR("graph_traversal"), __pyx_methods, __Pyx_DOCSTR(__pyx_k_17), 0, PYTHON_API_VERSION); + #else + __pyx_m = PyModule_Create(&__pyx_moduledef); + #endif + if (!__pyx_m) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}; + #if PY_MAJOR_VERSION < 3 + Py_INCREF(__pyx_m); + #endif + __pyx_b = PyImport_AddModule(__Pyx_NAMESTR(__Pyx_BUILTIN_MODULE_NAME)); + if (!__pyx_b) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}; + if (__Pyx_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}; + /*--- Initialize various global constants etc. ---*/ + if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + if (__pyx_module_is_main_scipy__sparse__csgraph__graph_traversal) { + if (__Pyx_SetAttrString(__pyx_m, "__name__", __pyx_n_s____main__) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}; + } + /*--- Builtin init code ---*/ + if (unlikely(__Pyx_InitCachedBuiltins() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + /*--- Constants init code ---*/ + if (unlikely(__Pyx_InitCachedConstants() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + /*--- Global init code ---*/ + /*--- Variable export code ---*/ + /*--- Function export code ---*/ + /*--- Type init code ---*/ + /*--- Type import code ---*/ + __pyx_ptype_5numpy_dtype = __Pyx_ImportType("numpy", "dtype", sizeof(PyArray_Descr), 0); if (unlikely(!__pyx_ptype_5numpy_dtype)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 151; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_ptype_5numpy_flatiter = __Pyx_ImportType("numpy", "flatiter", sizeof(PyArrayIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_flatiter)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_ptype_5numpy_broadcast = __Pyx_ImportType("numpy", "broadcast", sizeof(PyArrayMultiIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_broadcast)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 165; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_ptype_5numpy_ndarray = __Pyx_ImportType("numpy", "ndarray", sizeof(PyArrayObject), 0); if (unlikely(!__pyx_ptype_5numpy_ndarray)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __pyx_ptype_5numpy_ufunc = __Pyx_ImportType("numpy", "ufunc", sizeof(PyUFuncObject), 0); if (unlikely(!__pyx_ptype_5numpy_ufunc)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 857; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + /*--- Variable import code ---*/ + /*--- Function import code ---*/ + /*--- Execution code ---*/ + + /* "scipy/sparse/csgraph/graph_traversal.pyx":8 + * # License: BSD, (C) 2012 + * + * import numpy as np # <<<<<<<<<<<<<< + * cimport numpy as np + * + */ + __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__numpy), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + if (PyObject_SetAttr(__pyx_m, __pyx_n_s__np, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":11 + * cimport numpy as np + * + * from scipy.sparse import csr_matrix, isspmatrix, isspmatrix_csr, isspmatrix_csc # <<<<<<<<<<<<<< + * + * cimport cython + */ + __pyx_t_1 = PyList_New(4); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_1)); + __Pyx_INCREF(((PyObject *)__pyx_n_s__csr_matrix)); + PyList_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_n_s__csr_matrix)); + __Pyx_GIVEREF(((PyObject *)__pyx_n_s__csr_matrix)); + __Pyx_INCREF(((PyObject *)__pyx_n_s__isspmatrix)); + PyList_SET_ITEM(__pyx_t_1, 1, ((PyObject *)__pyx_n_s__isspmatrix)); + __Pyx_GIVEREF(((PyObject *)__pyx_n_s__isspmatrix)); + __Pyx_INCREF(((PyObject *)__pyx_n_s__isspmatrix_csr)); + PyList_SET_ITEM(__pyx_t_1, 2, ((PyObject *)__pyx_n_s__isspmatrix_csr)); + __Pyx_GIVEREF(((PyObject *)__pyx_n_s__isspmatrix_csr)); + __Pyx_INCREF(((PyObject *)__pyx_n_s__isspmatrix_csc)); + PyList_SET_ITEM(__pyx_t_1, 3, ((PyObject *)__pyx_n_s__isspmatrix_csc)); + __Pyx_GIVEREF(((PyObject *)__pyx_n_s__isspmatrix_csc)); + __pyx_t_2 = __Pyx_Import(((PyObject *)__pyx_n_s_18), ((PyObject *)__pyx_t_1), -1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_2); + __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0; + __pyx_t_1 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__csr_matrix); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + if (PyObject_SetAttr(__pyx_m, __pyx_n_s__csr_matrix, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + __pyx_t_1 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__isspmatrix); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + if (PyObject_SetAttr(__pyx_m, __pyx_n_s__isspmatrix, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + __pyx_t_1 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__isspmatrix_csr); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + if (PyObject_SetAttr(__pyx_m, __pyx_n_s__isspmatrix_csr, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + __pyx_t_1 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__isspmatrix_csc); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + if (PyObject_SetAttr(__pyx_m, __pyx_n_s__isspmatrix_csc, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":17 + * from libc.stdlib cimport malloc, free + * + * DTYPE = np.float64 # <<<<<<<<<<<<<< + * ctypedef np.float64_t DTYPE_t + * + */ + __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_2); + __pyx_t_1 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__float64); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; + if (PyObject_SetAttr(__pyx_m, __pyx_n_s__DTYPE, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":20 + * ctypedef np.float64_t DTYPE_t + * + * ITYPE = np.int32 # <<<<<<<<<<<<<< + * ctypedef np.int32_t ITYPE_t + * + */ + __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_1); + __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__int32); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_2); + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + if (PyObject_SetAttr(__pyx_m, __pyx_n_s__ITYPE, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":24 + * + * # NULL_IDX is the index used in predecessor matrices to store a non-path + * cdef ITYPE_t NULL_IDX = -9999 # <<<<<<<<<<<<<< + * + * + */ + __pyx_v_5scipy_6sparse_7csgraph_15graph_traversal_NULL_IDX = -9999; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":28 + * + * def cs_graph_breadth_first(csgraph, i_start, + * directed=True, return_predecessors=True): # <<<<<<<<<<<<<< + * """Return the breadth-first ordering starting with specified node. + * + */ + __pyx_t_2 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_2); + __pyx_k_1 = __pyx_t_2; + __Pyx_GIVEREF(__pyx_t_2); + __pyx_t_2 = 0; + __pyx_t_2 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_2); + __pyx_k_2 = __pyx_t_2; + __Pyx_GIVEREF(__pyx_t_2); + __pyx_t_2 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":27 + * + * + * def cs_graph_breadth_first(csgraph, i_start, # <<<<<<<<<<<<<< + * directed=True, return_predecessors=True): + * """Return the breadth-first ordering starting with specified node. + */ + __pyx_t_2 = PyCFunction_NewEx(&__pyx_mdef_5scipy_6sparse_7csgraph_15graph_traversal_cs_graph_breadth_first, NULL, __pyx_n_s_19); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(__pyx_t_2); + if (PyObject_SetAttr(__pyx_m, __pyx_n_s_20, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; + + /* "scipy/sparse/csgraph/graph_traversal.pyx":1 + * """ # <<<<<<<<<<<<<< + * Routines for traversing graphs in compressed sparse format + * """ + */ + __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_GOTREF(((PyObject *)__pyx_t_2)); + if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_2)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;} + __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0; + + /* "numpy.pxd":971 + * arr.base = baseptr + * + * cdef inline object get_array_base(ndarray arr): # <<<<<<<<<<<<<< + * if arr.base is NULL: + * return None + */ + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_1); + __Pyx_XDECREF(__pyx_t_2); + if (__pyx_m) { + __Pyx_AddTraceback("init scipy.sparse.csgraph.graph_traversal", __pyx_clineno, __pyx_lineno, __pyx_filename); + Py_DECREF(__pyx_m); __pyx_m = 0; + } else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_ImportError, "init scipy.sparse.csgraph.graph_traversal"); + } + __pyx_L0:; + __Pyx_RefNannyFinishContext(); + #if PY_MAJOR_VERSION < 3 + return; + #else + return __pyx_m; + #endif +} + +/* Runtime support code */ + +#if CYTHON_REFNANNY +static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) { + PyObject *m = NULL, *p = NULL; + void *r = NULL; + m = PyImport_ImportModule((char *)modname); + if (!m) goto end; + p = PyObject_GetAttrString(m, (char *)"RefNannyAPI"); + if (!p) goto end; + r = PyLong_AsVoidPtr(p); +end: + Py_XDECREF(p); + Py_XDECREF(m); + return (__Pyx_RefNannyAPIStruct *)r; +} +#endif /* CYTHON_REFNANNY */ + +static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name) { + PyObject *result; + result = PyObject_GetAttr(dict, name); + if (!result) { + if (dict != __pyx_b) { + PyErr_Clear(); + result = PyObject_GetAttr(__pyx_b, name); + } + if (!result) { + PyErr_SetObject(PyExc_NameError, name); + } + } + return result; +} + +static void __Pyx_RaiseArgtupleInvalid( + const char* func_name, + int exact, + Py_ssize_t num_min, + Py_ssize_t num_max, + Py_ssize_t num_found) +{ + Py_ssize_t num_expected; + const char *more_or_less; + + if (num_found < num_min) { + num_expected = num_min; + more_or_less = "at least"; + } else { + num_expected = num_max; + more_or_less = "at most"; + } + if (exact) { + more_or_less = "exactly"; + } + PyErr_Format(PyExc_TypeError, + "%s() takes %s %"PY_FORMAT_SIZE_T"d positional argument%s (%"PY_FORMAT_SIZE_T"d given)", + func_name, more_or_less, num_expected, + (num_expected == 1) ? "" : "s", num_found); +} + +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, + PyObject* kw_name) +{ + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION >= 3 + "%s() got multiple values for keyword argument '%U'", func_name, kw_name); + #else + "%s() got multiple values for keyword argument '%s'", func_name, + PyString_AS_STRING(kw_name)); + #endif +} + +static int __Pyx_ParseOptionalKeywords( + PyObject *kwds, + PyObject **argnames[], + PyObject *kwds2, + PyObject *values[], + Py_ssize_t num_pos_args, + const char* function_name) +{ + PyObject *key = 0, *value = 0; + Py_ssize_t pos = 0; + PyObject*** name; + PyObject*** first_kw_arg = argnames + num_pos_args; + + while (PyDict_Next(kwds, &pos, &key, &value)) { + name = first_kw_arg; + while (*name && (**name != key)) name++; + if (*name) { + values[name-argnames] = value; + } else { + #if PY_MAJOR_VERSION < 3 + if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key))) { + #else + if (unlikely(!PyUnicode_CheckExact(key)) && unlikely(!PyUnicode_Check(key))) { + #endif + goto invalid_keyword_type; + } else { + for (name = first_kw_arg; *name; name++) { + #if PY_MAJOR_VERSION >= 3 + if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) && + PyUnicode_Compare(**name, key) == 0) break; + #else + if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) && + _PyString_Eq(**name, key)) break; + #endif + } + if (*name) { + values[name-argnames] = value; + } else { + /* unexpected keyword found */ + for (name=argnames; name != first_kw_arg; name++) { + if (**name == key) goto arg_passed_twice; + #if PY_MAJOR_VERSION >= 3 + if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) && + PyUnicode_Compare(**name, key) == 0) goto arg_passed_twice; + #else + if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) && + _PyString_Eq(**name, key)) goto arg_passed_twice; + #endif + } + if (kwds2) { + if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; + } else { + goto invalid_keyword; + } + } + } + } + } + return 0; +arg_passed_twice: + __Pyx_RaiseDoubleKeywordsError(function_name, **name); + goto bad; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%s() keywords must be strings", function_name); + goto bad; +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%s() got an unexpected keyword argument '%s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif +bad: + return -1; +} + + +static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) { + 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); +} + +static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) { + 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; +} + + +#if PY_MAJOR_VERSION < 3 +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { + /* cause is unused */ + Py_XINCREF(type); + Py_XINCREF(value); + Py_XINCREF(tb); + /* First, check the traceback argument, replacing None with NULL. */ + if (tb == Py_None) { + Py_DECREF(tb); + tb = 0; + } + else if (tb != NULL && !PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto raise_error; + } + /* Next, replace a missing value with None */ + if (value == NULL) { + value = Py_None; + Py_INCREF(value); + } + #if PY_VERSION_HEX < 0x02050000 + if (!PyClass_Check(type)) + #else + if (!PyType_Check(type)) + #endif + { + /* Raising an instance. The value should be a dummy. */ + if (value != Py_None) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto raise_error; + } + /* Normalize to raise , */ + Py_DECREF(value); + value = type; + #if PY_VERSION_HEX < 0x02050000 + if (PyInstance_Check(type)) { + type = (PyObject*) ((PyInstanceObject*)type)->in_class; + Py_INCREF(type); + } + else { + type = 0; + PyErr_SetString(PyExc_TypeError, + "raise: exception must be an old-style class or instance"); + goto raise_error; + } + #else + 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; + } + #endif + } + + __Pyx_ErrRestore(type, value, tb); + return; +raise_error: + Py_XDECREF(value); + Py_XDECREF(type); + Py_XDECREF(tb); + return; +} + +#else /* Python 3+ */ + +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { + if (tb == Py_None) { + tb = 0; + } else if (tb && !PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto bad; + } + if (value == Py_None) + value = 0; + + if (PyExceptionInstance_Check(type)) { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto bad; + } + value = type; + type = (PyObject*) Py_TYPE(value); + } else if (!PyExceptionClass_Check(type)) { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto bad; + } + + if (cause) { + PyObject *fixed_cause; + if (PyExceptionClass_Check(cause)) { + fixed_cause = PyObject_CallObject(cause, NULL); + if (fixed_cause == NULL) + goto bad; + } + else if (PyExceptionInstance_Check(cause)) { + fixed_cause = cause; + Py_INCREF(fixed_cause); + } + else { + PyErr_SetString(PyExc_TypeError, + "exception causes must derive from " + "BaseException"); + goto bad; + } + if (!value) { + value = PyObject_CallObject(type, NULL); + } + PyException_SetCause(value, fixed_cause); + } + + PyErr_SetObject(type, value); + + if (tb) { + PyThreadState *tstate = PyThreadState_GET(); + PyObject* tmp_tb = tstate->curexc_traceback; + if (tb != tmp_tb) { + Py_INCREF(tb); + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_tb); + } + } + +bad: + return; +} +#endif + +static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) { + if (unlikely(!type)) { + PyErr_Format(PyExc_SystemError, "Missing type object"); + return 0; + } + if (likely(PyObject_TypeCheck(obj, type))) + return 1; + PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s", + Py_TYPE(obj)->tp_name, type->tp_name); + return 0; +} + +static CYTHON_INLINE int __Pyx_IsLittleEndian(void) { + unsigned int n = 1; + return *(unsigned char*)(&n) != 0; +} + +typedef struct { + __Pyx_StructField root; + __Pyx_BufFmt_StackElem* head; + size_t fmt_offset; + size_t new_count, enc_count; + int is_complex; + char enc_type; + char new_packmode; + char enc_packmode; +} __Pyx_BufFmt_Context; + +static void __Pyx_BufFmt_Init(__Pyx_BufFmt_Context* ctx, + __Pyx_BufFmt_StackElem* stack, + __Pyx_TypeInfo* type) { + stack[0].field = &ctx->root; + stack[0].parent_offset = 0; + ctx->root.type = type; + ctx->root.name = "buffer dtype"; + ctx->root.offset = 0; + ctx->head = stack; + ctx->head->field = &ctx->root; + ctx->fmt_offset = 0; + ctx->head->parent_offset = 0; + ctx->new_packmode = '@'; + ctx->enc_packmode = '@'; + ctx->new_count = 1; + ctx->enc_count = 0; + ctx->enc_type = 0; + ctx->is_complex = 0; + while (type->typegroup == 'S') { + ++ctx->head; + ctx->head->field = type->fields; + ctx->head->parent_offset = 0; + type = type->fields->type; + } +} + +static int __Pyx_BufFmt_ParseNumber(const char** ts) { + int count; + const char* t = *ts; + if (*t < '0' || *t > '9') { + return -1; + } else { + count = *t++ - '0'; + while (*t >= '0' && *t < '9') { + count *= 10; + count += *t++ - '0'; + } + } + *ts = t; + return count; +} + +static void __Pyx_BufFmt_RaiseUnexpectedChar(char ch) { + PyErr_Format(PyExc_ValueError, + "Unexpected format string character: '%c'", ch); +} + +static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) { + switch (ch) { + case 'b': return "'char'"; + case 'B': return "'unsigned char'"; + case 'h': return "'short'"; + case 'H': return "'unsigned short'"; + case 'i': return "'int'"; + case 'I': return "'unsigned int'"; + case 'l': return "'long'"; + case 'L': return "'unsigned long'"; + case 'q': return "'long long'"; + case 'Q': return "'unsigned long long'"; + case 'f': return (is_complex ? "'complex float'" : "'float'"); + case 'd': return (is_complex ? "'complex double'" : "'double'"); + case 'g': return (is_complex ? "'complex long double'" : "'long double'"); + case 'T': return "a struct"; + case 'O': return "Python object"; + case 'P': return "a pointer"; + case 0: return "end"; + default: return "unparseable format string"; + } +} + +static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) { + switch (ch) { + case '?': case 'c': case 'b': case 'B': return 1; + case 'h': case 'H': return 2; + case 'i': case 'I': case 'l': case 'L': return 4; + case 'q': case 'Q': return 8; + case 'f': return (is_complex ? 8 : 4); + case 'd': return (is_complex ? 16 : 8); + case 'g': { + PyErr_SetString(PyExc_ValueError, "Python does not define a standard format string size for long double ('g').."); + return 0; + } + case 'O': case 'P': return sizeof(void*); + default: + __Pyx_BufFmt_RaiseUnexpectedChar(ch); + return 0; + } +} + +static size_t __Pyx_BufFmt_TypeCharToNativeSize(char ch, int is_complex) { + switch (ch) { + case 'c': case 'b': case 'B': return 1; + case 'h': case 'H': return sizeof(short); + case 'i': case 'I': return sizeof(int); + case 'l': case 'L': return sizeof(long); + #ifdef HAVE_LONG_LONG + case 'q': case 'Q': return sizeof(PY_LONG_LONG); + #endif + case 'f': return sizeof(float) * (is_complex ? 2 : 1); + case 'd': return sizeof(double) * (is_complex ? 2 : 1); + case 'g': return sizeof(long double) * (is_complex ? 2 : 1); + case 'O': case 'P': return sizeof(void*); + default: { + __Pyx_BufFmt_RaiseUnexpectedChar(ch); + return 0; + } + } +} + +typedef struct { char c; short x; } __Pyx_st_short; +typedef struct { char c; int x; } __Pyx_st_int; +typedef struct { char c; long x; } __Pyx_st_long; +typedef struct { char c; float x; } __Pyx_st_float; +typedef struct { char c; double x; } __Pyx_st_double; +typedef struct { char c; long double x; } __Pyx_st_longdouble; +typedef struct { char c; void *x; } __Pyx_st_void_p; +#ifdef HAVE_LONG_LONG +typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong; +#endif + +static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, int is_complex) { + switch (ch) { + case '?': case 'c': case 'b': case 'B': return 1; + case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short); + case 'i': case 'I': return sizeof(__Pyx_st_int) - sizeof(int); + case 'l': case 'L': return sizeof(__Pyx_st_long) - sizeof(long); +#ifdef HAVE_LONG_LONG + case 'q': case 'Q': return sizeof(__Pyx_st_longlong) - sizeof(PY_LONG_LONG); +#endif + case 'f': return sizeof(__Pyx_st_float) - sizeof(float); + case 'd': return sizeof(__Pyx_st_double) - sizeof(double); + case 'g': return sizeof(__Pyx_st_longdouble) - sizeof(long double); + case 'P': case 'O': return sizeof(__Pyx_st_void_p) - sizeof(void*); + default: + __Pyx_BufFmt_RaiseUnexpectedChar(ch); + return 0; + } +} + +static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) { + switch (ch) { + case 'c': case 'b': case 'h': case 'i': case 'l': case 'q': return 'I'; + case 'B': case 'H': case 'I': case 'L': case 'Q': return 'U'; + case 'f': case 'd': case 'g': return (is_complex ? 'C' : 'R'); + case 'O': return 'O'; + case 'P': return 'P'; + default: { + __Pyx_BufFmt_RaiseUnexpectedChar(ch); + return 0; + } + } +} + +static void __Pyx_BufFmt_RaiseExpected(__Pyx_BufFmt_Context* ctx) { + if (ctx->head == NULL || ctx->head->field == &ctx->root) { + const char* expected; + const char* quote; + if (ctx->head == NULL) { + expected = "end"; + quote = ""; + } else { + expected = ctx->head->field->type->name; + quote = "'"; + } + PyErr_Format(PyExc_ValueError, + "Buffer dtype mismatch, expected %s%s%s but got %s", + quote, expected, quote, + __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex)); + } else { + __Pyx_StructField* field = ctx->head->field; + __Pyx_StructField* parent = (ctx->head - 1)->field; + PyErr_Format(PyExc_ValueError, + "Buffer dtype mismatch, expected '%s' but got %s in '%s.%s'", + field->type->name, __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex), + parent->type->name, field->name); + } +} + +static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) { + char group; + size_t size, offset; + if (ctx->enc_type == 0) return 0; + group = __Pyx_BufFmt_TypeCharToGroup(ctx->enc_type, ctx->is_complex); + do { + __Pyx_StructField* field = ctx->head->field; + __Pyx_TypeInfo* type = field->type; + + if (ctx->enc_packmode == '@' || ctx->enc_packmode == '^') { + size = __Pyx_BufFmt_TypeCharToNativeSize(ctx->enc_type, ctx->is_complex); + } else { + size = __Pyx_BufFmt_TypeCharToStandardSize(ctx->enc_type, ctx->is_complex); + } + if (ctx->enc_packmode == '@') { + size_t align_at = __Pyx_BufFmt_TypeCharToAlignment(ctx->enc_type, ctx->is_complex); + size_t align_mod_offset; + if (align_at == 0) return -1; + align_mod_offset = ctx->fmt_offset % align_at; + if (align_mod_offset > 0) ctx->fmt_offset += align_at - align_mod_offset; + } + + if (type->size != size || type->typegroup != group) { + if (type->typegroup == 'C' && type->fields != NULL) { + /* special case -- treat as struct rather than complex number */ + size_t parent_offset = ctx->head->parent_offset + field->offset; + ++ctx->head; + ctx->head->field = type->fields; + ctx->head->parent_offset = parent_offset; + continue; + } + + __Pyx_BufFmt_RaiseExpected(ctx); + return -1; + } + + offset = ctx->head->parent_offset + field->offset; + if (ctx->fmt_offset != offset) { + PyErr_Format(PyExc_ValueError, + "Buffer dtype mismatch; next field is at offset %"PY_FORMAT_SIZE_T"d but %"PY_FORMAT_SIZE_T"d expected", + (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset); + return -1; + } + + ctx->fmt_offset += size; + + --ctx->enc_count; /* Consume from buffer string */ + + /* Done checking, move to next field, pushing or popping struct stack if needed */ + while (1) { + if (field == &ctx->root) { + ctx->head = NULL; + if (ctx->enc_count != 0) { + __Pyx_BufFmt_RaiseExpected(ctx); + return -1; + } + break; /* breaks both loops as ctx->enc_count == 0 */ + } + ctx->head->field = ++field; + if (field->type == NULL) { + --ctx->head; + field = ctx->head->field; + continue; + } else if (field->type->typegroup == 'S') { + size_t parent_offset = ctx->head->parent_offset + field->offset; + if (field->type->fields->type == NULL) continue; /* empty struct */ + field = field->type->fields; + ++ctx->head; + ctx->head->field = field; + ctx->head->parent_offset = parent_offset; + break; + } else { + break; + } + } + } while (ctx->enc_count); + ctx->enc_type = 0; + ctx->is_complex = 0; + return 0; +} + +static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) { + int got_Z = 0; + while (1) { + switch(*ts) { + case 0: + if (ctx->enc_type != 0 && ctx->head == NULL) { + __Pyx_BufFmt_RaiseExpected(ctx); + return NULL; + } + if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL; + if (ctx->head != NULL) { + __Pyx_BufFmt_RaiseExpected(ctx); + return NULL; + } + return ts; + case ' ': + case 10: + case 13: + ++ts; + break; + case '<': + if (!__Pyx_IsLittleEndian()) { + PyErr_SetString(PyExc_ValueError, "Little-endian buffer not supported on big-endian compiler"); + return NULL; + } + ctx->new_packmode = '='; + ++ts; + break; + case '>': + case '!': + if (__Pyx_IsLittleEndian()) { + PyErr_SetString(PyExc_ValueError, "Big-endian buffer not supported on little-endian compiler"); + return NULL; + } + ctx->new_packmode = '='; + ++ts; + break; + case '=': + case '@': + case '^': + ctx->new_packmode = *ts++; + break; + case 'T': /* substruct */ + { + const char* ts_after_sub; + size_t i, struct_count = ctx->new_count; + ctx->new_count = 1; + ++ts; + if (*ts != '{') { + PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'"); + return NULL; + } + ++ts; + ts_after_sub = ts; + for (i = 0; i != struct_count; ++i) { + ts_after_sub = __Pyx_BufFmt_CheckString(ctx, ts); + if (!ts_after_sub) return NULL; + } + ts = ts_after_sub; + } + break; + case '}': /* end of substruct; either repeat or move on */ + ++ts; + return ts; + case 'x': + if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL; + ctx->fmt_offset += ctx->new_count; + ctx->new_count = 1; + ctx->enc_count = 0; + ctx->enc_type = 0; + ctx->enc_packmode = ctx->new_packmode; + ++ts; + break; + case 'Z': + got_Z = 1; + ++ts; + if (*ts != 'f' && *ts != 'd' && *ts != 'g') { + __Pyx_BufFmt_RaiseUnexpectedChar('Z'); + return NULL; + } /* fall through */ + case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I': + case 'l': case 'L': case 'q': case 'Q': + case 'f': case 'd': case 'g': + case 'O': + if (ctx->enc_type == *ts && got_Z == ctx->is_complex && + ctx->enc_packmode == ctx->new_packmode) { + /* Continue pooling same type */ + ctx->enc_count += ctx->new_count; + } else { + /* New type */ + if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL; + ctx->enc_count = ctx->new_count; + ctx->enc_packmode = ctx->new_packmode; + ctx->enc_type = *ts; + ctx->is_complex = got_Z; + } + ++ts; + ctx->new_count = 1; + got_Z = 0; + break; + case ':': + ++ts; + while(*ts != ':') ++ts; + ++ts; + break; + default: + { + int number = __Pyx_BufFmt_ParseNumber(&ts); + if (number == -1) { /* First char was not a digit */ + PyErr_Format(PyExc_ValueError, + "Does not understand character buffer dtype format string ('%c')", *ts); + return NULL; + } + ctx->new_count = (size_t)number; + } + } + } +} + +static CYTHON_INLINE void __Pyx_ZeroBuffer(Py_buffer* buf) { + buf->buf = NULL; + buf->obj = NULL; + buf->strides = __Pyx_zeros; + buf->shape = __Pyx_zeros; + buf->suboffsets = __Pyx_minusones; +} + +static CYTHON_INLINE int __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj, __Pyx_TypeInfo* dtype, int flags, int nd, int cast, __Pyx_BufFmt_StackElem* stack) { + if (obj == Py_None || obj == NULL) { + __Pyx_ZeroBuffer(buf); + return 0; + } + buf->buf = NULL; + if (__Pyx_GetBuffer(obj, buf, flags) == -1) goto fail; + if (buf->ndim != nd) { + PyErr_Format(PyExc_ValueError, + "Buffer has wrong number of dimensions (expected %d, got %d)", + nd, buf->ndim); + goto fail; + } + if (!cast) { + __Pyx_BufFmt_Context ctx; + __Pyx_BufFmt_Init(&ctx, stack, dtype); + if (!__Pyx_BufFmt_CheckString(&ctx, buf->format)) goto fail; + } + if ((unsigned)buf->itemsize != dtype->size) { + PyErr_Format(PyExc_ValueError, + "Item size of buffer (%"PY_FORMAT_SIZE_T"d byte%s) does not match size of '%s' (%"PY_FORMAT_SIZE_T"d byte%s)", + buf->itemsize, (buf->itemsize > 1) ? "s" : "", + dtype->name, (Py_ssize_t)dtype->size, (dtype->size > 1) ? "s" : ""); + goto fail; + } + if (buf->suboffsets == NULL) buf->suboffsets = __Pyx_minusones; + return 0; +fail:; + __Pyx_ZeroBuffer(buf); + return -1; +} + +static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) { + if (info->buf == NULL) return; + if (info->suboffsets == __Pyx_minusones) info->suboffsets = NULL; + __Pyx_ReleaseBuffer(info); +} +static void __Pyx_RaiseBufferIndexError(int axis) { + PyErr_Format(PyExc_IndexError, + "Out of bounds on buffer access (axis %d)", axis); +} + + +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) { + PyErr_Format(PyExc_ValueError, + "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack", + index, (index == 1) ? "" : "s"); +} + +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) { + PyErr_Format(PyExc_ValueError, + "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected); +} + +static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) { + PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); +} + +static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) { + if (t == Py_None) { + __Pyx_RaiseNoneNotIterableError(); + } else if (PyTuple_GET_SIZE(t) < index) { + __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t)); + } else { + __Pyx_RaiseTooManyValuesError(index); + } +} + +#if PY_MAJOR_VERSION < 3 +static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) { + #if PY_VERSION_HEX >= 0x02060000 + if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags); + #endif + if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pf_5numpy_7ndarray___getbuffer__(obj, view, flags); + else { + PyErr_Format(PyExc_TypeError, "'%100s' does not have the buffer interface", Py_TYPE(obj)->tp_name); + return -1; + } +} + +static void __Pyx_ReleaseBuffer(Py_buffer *view) { + PyObject* obj = view->obj; + if (obj) { + #if PY_VERSION_HEX >= 0x02060000 + if (PyObject_CheckBuffer(obj)) {PyBuffer_Release(view); return;} + #endif + if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) __pyx_pf_5numpy_7ndarray_1__releasebuffer__(obj, view); + Py_DECREF(obj); + view->obj = NULL; + } +} + +#endif + +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) { + PyObject *py_import = 0; + PyObject *empty_list = 0; + PyObject *module = 0; + PyObject *global_dict = 0; + PyObject *empty_dict = 0; + PyObject *list; + py_import = __Pyx_GetAttrString(__pyx_b, "__import__"); + if (!py_import) + goto bad; + if (from_list) + list = from_list; + else { + empty_list = PyList_New(0); + if (!empty_list) + goto bad; + list = empty_list; + } + global_dict = PyModule_GetDict(__pyx_m); + if (!global_dict) + goto bad; + empty_dict = PyDict_New(); + if (!empty_dict) + goto bad; + #if PY_VERSION_HEX >= 0x02050000 + { + PyObject *py_level = PyInt_FromLong(level); + if (!py_level) + goto bad; + module = PyObject_CallFunctionObjArgs(py_import, + name, global_dict, empty_dict, list, py_level, NULL); + Py_DECREF(py_level); + } + #else + if (level>0) { + PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4."); + goto bad; + } + module = PyObject_CallFunctionObjArgs(py_import, + name, global_dict, empty_dict, list, NULL); + #endif +bad: + Py_XDECREF(empty_list); + Py_XDECREF(py_import); + Py_XDECREF(empty_dict); + return module; +} + +static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_npy_int32(npy_int32 val) { + const npy_int32 neg_one = (npy_int32)-1, const_zero = (npy_int32)0; + const int is_unsigned = const_zero < neg_one; + if ((sizeof(npy_int32) == sizeof(char)) || + (sizeof(npy_int32) == sizeof(short))) { + return PyInt_FromLong((long)val); + } else if ((sizeof(npy_int32) == sizeof(int)) || + (sizeof(npy_int32) == sizeof(long))) { + if (is_unsigned) + return PyLong_FromUnsignedLong((unsigned long)val); + else + return PyInt_FromLong((long)val); + } else if (sizeof(npy_int32) == sizeof(PY_LONG_LONG)) { + if (is_unsigned) + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG)val); + else + return PyLong_FromLongLong((PY_LONG_LONG)val); + } else { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + return _PyLong_FromByteArray(bytes, sizeof(npy_int32), + little, !is_unsigned); + } +} + +#if CYTHON_CCOMPLEX + #ifdef __cplusplus + static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) { + return ::std::complex< float >(x, y); + } + #else + static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) { + return x + y*(__pyx_t_float_complex)_Complex_I; + } + #endif +#else + static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) { + __pyx_t_float_complex z; + z.real = x; + z.imag = y; + return z; + } +#endif + +#if CYTHON_CCOMPLEX +#else + static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex a, __pyx_t_float_complex b) { + return (a.real == b.real) && (a.imag == b.imag); + } + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex a, __pyx_t_float_complex b) { + __pyx_t_float_complex z; + z.real = a.real + b.real; + z.imag = a.imag + b.imag; + return z; + } + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex a, __pyx_t_float_complex b) { + __pyx_t_float_complex z; + z.real = a.real - b.real; + z.imag = a.imag - b.imag; + return z; + } + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex a, __pyx_t_float_complex b) { + __pyx_t_float_complex z; + z.real = a.real * b.real - a.imag * b.imag; + z.imag = a.real * b.imag + a.imag * b.real; + return z; + } + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex a, __pyx_t_float_complex b) { + __pyx_t_float_complex z; + float denom = b.real * b.real + b.imag * b.imag; + z.real = (a.real * b.real + a.imag * b.imag) / denom; + z.imag = (a.imag * b.real - a.real * b.imag) / denom; + return z; + } + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex a) { + __pyx_t_float_complex z; + z.real = -a.real; + z.imag = -a.imag; + return z; + } + static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex a) { + return (a.real == 0) && (a.imag == 0); + } + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex a) { + __pyx_t_float_complex z; + z.real = a.real; + z.imag = -a.imag; + return z; + } + #if 1 + static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex z) { + #if !defined(HAVE_HYPOT) || defined(_MSC_VER) + return sqrtf(z.real*z.real + z.imag*z.imag); + #else + return hypotf(z.real, z.imag); + #endif + } + static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex a, __pyx_t_float_complex b) { + __pyx_t_float_complex z; + float r, lnr, theta, z_r, z_theta; + if (b.imag == 0 && b.real == (int)b.real) { + if (b.real < 0) { + float denom = a.real * a.real + a.imag * a.imag; + a.real = a.real / denom; + a.imag = -a.imag / denom; + b.real = -b.real; + } + switch ((int)b.real) { + case 0: + z.real = 1; + z.imag = 0; + return z; + case 1: + return a; + case 2: + z = __Pyx_c_prodf(a, a); + return __Pyx_c_prodf(a, a); + case 3: + z = __Pyx_c_prodf(a, a); + return __Pyx_c_prodf(z, a); + case 4: + z = __Pyx_c_prodf(a, a); + return __Pyx_c_prodf(z, z); + } + } + if (a.imag == 0) { + if (a.real == 0) { + return a; + } + r = a.real; + theta = 0; + } else { + r = __Pyx_c_absf(a); + theta = atan2f(a.imag, a.real); + } + lnr = logf(r); + z_r = expf(lnr * b.real - theta * b.imag); + z_theta = theta * b.real + lnr * b.imag; + z.real = z_r * cosf(z_theta); + z.imag = z_r * sinf(z_theta); + return z; + } + #endif +#endif + +#if CYTHON_CCOMPLEX + #ifdef __cplusplus + static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) { + return ::std::complex< double >(x, y); + } + #else + static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) { + return x + y*(__pyx_t_double_complex)_Complex_I; + } + #endif +#else + static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) { + __pyx_t_double_complex z; + z.real = x; + z.imag = y; + return z; + } +#endif + +#if CYTHON_CCOMPLEX +#else + static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex a, __pyx_t_double_complex b) { + return (a.real == b.real) && (a.imag == b.imag); + } + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex a, __pyx_t_double_complex b) { + __pyx_t_double_complex z; + z.real = a.real + b.real; + z.imag = a.imag + b.imag; + return z; + } + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex a, __pyx_t_double_complex b) { + __pyx_t_double_complex z; + z.real = a.real - b.real; + z.imag = a.imag - b.imag; + return z; + } + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex a, __pyx_t_double_complex b) { + __pyx_t_double_complex z; + z.real = a.real * b.real - a.imag * b.imag; + z.imag = a.real * b.imag + a.imag * b.real; + return z; + } + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex a, __pyx_t_double_complex b) { + __pyx_t_double_complex z; + double denom = b.real * b.real + b.imag * b.imag; + z.real = (a.real * b.real + a.imag * b.imag) / denom; + z.imag = (a.imag * b.real - a.real * b.imag) / denom; + return z; + } + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex a) { + __pyx_t_double_complex z; + z.real = -a.real; + z.imag = -a.imag; + return z; + } + static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex a) { + return (a.real == 0) && (a.imag == 0); + } + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex a) { + __pyx_t_double_complex z; + z.real = a.real; + z.imag = -a.imag; + return z; + } + #if 1 + static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex z) { + #if !defined(HAVE_HYPOT) || defined(_MSC_VER) + return sqrt(z.real*z.real + z.imag*z.imag); + #else + return hypot(z.real, z.imag); + #endif + } + static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex a, __pyx_t_double_complex b) { + __pyx_t_double_complex z; + double r, lnr, theta, z_r, z_theta; + if (b.imag == 0 && b.real == (int)b.real) { + if (b.real < 0) { + double denom = a.real * a.real + a.imag * a.imag; + a.real = a.real / denom; + a.imag = -a.imag / denom; + b.real = -b.real; + } + switch ((int)b.real) { + case 0: + z.real = 1; + z.imag = 0; + return z; + case 1: + return a; + case 2: + z = __Pyx_c_prod(a, a); + return __Pyx_c_prod(a, a); + case 3: + z = __Pyx_c_prod(a, a); + return __Pyx_c_prod(z, a); + case 4: + z = __Pyx_c_prod(a, a); + return __Pyx_c_prod(z, z); + } + } + if (a.imag == 0) { + if (a.real == 0) { + return a; + } + r = a.real; + theta = 0; + } else { + r = __Pyx_c_abs(a); + theta = atan2(a.imag, a.real); + } + lnr = log(r); + z_r = exp(lnr * b.real - theta * b.imag); + z_theta = theta * b.real + lnr * b.imag; + z.real = z_r * cos(z_theta); + z.imag = z_r * sin(z_theta); + return z; + } + #endif +#endif + +static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) { + const unsigned char neg_one = (unsigned char)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(unsigned char) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(unsigned char)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to unsigned char" : + "value too large to convert to unsigned char"); + } + return (unsigned char)-1; + } + return (unsigned char)val; + } + return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x); +} + +static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) { + const unsigned short neg_one = (unsigned short)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(unsigned short) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(unsigned short)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to unsigned short" : + "value too large to convert to unsigned short"); + } + return (unsigned short)-1; + } + return (unsigned short)val; + } + return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x); +} + +static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) { + const unsigned int neg_one = (unsigned int)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(unsigned int) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(unsigned int)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to unsigned int" : + "value too large to convert to unsigned int"); + } + return (unsigned int)-1; + } + return (unsigned int)val; + } + return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x); +} + +static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) { + const char neg_one = (char)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(char) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(char)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to char" : + "value too large to convert to char"); + } + return (char)-1; + } + return (char)val; + } + return (char)__Pyx_PyInt_AsLong(x); +} + +static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) { + const short neg_one = (short)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(short) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(short)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to short" : + "value too large to convert to short"); + } + return (short)-1; + } + return (short)val; + } + return (short)__Pyx_PyInt_AsLong(x); +} + +static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) { + const int neg_one = (int)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(int) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(int)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to int" : + "value too large to convert to int"); + } + return (int)-1; + } + return (int)val; + } + return (int)__Pyx_PyInt_AsLong(x); +} + +static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) { + const signed char neg_one = (signed char)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(signed char) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(signed char)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to signed char" : + "value too large to convert to signed char"); + } + return (signed char)-1; + } + return (signed char)val; + } + return (signed char)__Pyx_PyInt_AsSignedLong(x); +} + +static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) { + const signed short neg_one = (signed short)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(signed short) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(signed short)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to signed short" : + "value too large to convert to signed short"); + } + return (signed short)-1; + } + return (signed short)val; + } + return (signed short)__Pyx_PyInt_AsSignedLong(x); +} + +static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) { + const signed int neg_one = (signed int)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(signed int) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(signed int)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to signed int" : + "value too large to convert to signed int"); + } + return (signed int)-1; + } + return (signed int)val; + } + return (signed int)__Pyx_PyInt_AsSignedLong(x); +} + +static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) { + const int neg_one = (int)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; + if (sizeof(int) < sizeof(long)) { + long val = __Pyx_PyInt_AsLong(x); + if (unlikely(val != (long)(int)val)) { + if (!unlikely(val == -1 && PyErr_Occurred())) { + PyErr_SetString(PyExc_OverflowError, + (is_unsigned && unlikely(val < 0)) ? + "can't convert negative value to int" : + "value too large to convert to int"); + } + return (int)-1; + } + return (int)val; + } + return (int)__Pyx_PyInt_AsLong(x); +} + +static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) { + const unsigned long neg_one = (unsigned long)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; +#if PY_VERSION_HEX < 0x03000000 + if (likely(PyInt_Check(x))) { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to unsigned long"); + return (unsigned long)-1; + } + return (unsigned long)val; + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { + if (unlikely(Py_SIZE(x) < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to unsigned long"); + return (unsigned long)-1; + } + return (unsigned long)PyLong_AsUnsignedLong(x); + } else { + return (unsigned long)PyLong_AsLong(x); + } + } else { + unsigned long val; + PyObject *tmp = __Pyx_PyNumber_Int(x); + if (!tmp) return (unsigned long)-1; + val = __Pyx_PyInt_AsUnsignedLong(tmp); + Py_DECREF(tmp); + return val; + } +} + +static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) { + const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; +#if PY_VERSION_HEX < 0x03000000 + if (likely(PyInt_Check(x))) { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to unsigned PY_LONG_LONG"); + return (unsigned PY_LONG_LONG)-1; + } + return (unsigned PY_LONG_LONG)val; + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { + if (unlikely(Py_SIZE(x) < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to unsigned PY_LONG_LONG"); + return (unsigned PY_LONG_LONG)-1; + } + return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x); + } else { + return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x); + } + } else { + unsigned PY_LONG_LONG val; + PyObject *tmp = __Pyx_PyNumber_Int(x); + if (!tmp) return (unsigned PY_LONG_LONG)-1; + val = __Pyx_PyInt_AsUnsignedLongLong(tmp); + Py_DECREF(tmp); + return val; + } +} + +static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) { + const long neg_one = (long)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; +#if PY_VERSION_HEX < 0x03000000 + if (likely(PyInt_Check(x))) { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long)-1; + } + return (long)val; + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { + if (unlikely(Py_SIZE(x) < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long)-1; + } + return (long)PyLong_AsUnsignedLong(x); + } else { + return (long)PyLong_AsLong(x); + } + } else { + long val; + PyObject *tmp = __Pyx_PyNumber_Int(x); + if (!tmp) return (long)-1; + val = __Pyx_PyInt_AsLong(tmp); + Py_DECREF(tmp); + return val; + } +} + +static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) { + const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; +#if PY_VERSION_HEX < 0x03000000 + if (likely(PyInt_Check(x))) { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to PY_LONG_LONG"); + return (PY_LONG_LONG)-1; + } + return (PY_LONG_LONG)val; + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { + if (unlikely(Py_SIZE(x) < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to PY_LONG_LONG"); + return (PY_LONG_LONG)-1; + } + return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x); + } else { + return (PY_LONG_LONG)PyLong_AsLongLong(x); + } + } else { + PY_LONG_LONG val; + PyObject *tmp = __Pyx_PyNumber_Int(x); + if (!tmp) return (PY_LONG_LONG)-1; + val = __Pyx_PyInt_AsLongLong(tmp); + Py_DECREF(tmp); + return val; + } +} + +static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) { + const signed long neg_one = (signed long)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; +#if PY_VERSION_HEX < 0x03000000 + if (likely(PyInt_Check(x))) { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to signed long"); + return (signed long)-1; + } + return (signed long)val; + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { + if (unlikely(Py_SIZE(x) < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to signed long"); + return (signed long)-1; + } + return (signed long)PyLong_AsUnsignedLong(x); + } else { + return (signed long)PyLong_AsLong(x); + } + } else { + signed long val; + PyObject *tmp = __Pyx_PyNumber_Int(x); + if (!tmp) return (signed long)-1; + val = __Pyx_PyInt_AsSignedLong(tmp); + Py_DECREF(tmp); + return val; + } +} + +static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) { + const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0; + const int is_unsigned = neg_one > const_zero; +#if PY_VERSION_HEX < 0x03000000 + if (likely(PyInt_Check(x))) { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to signed PY_LONG_LONG"); + return (signed PY_LONG_LONG)-1; + } + return (signed PY_LONG_LONG)val; + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { + if (unlikely(Py_SIZE(x) < 0)) { + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to signed PY_LONG_LONG"); + return (signed PY_LONG_LONG)-1; + } + return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x); + } else { + return (signed PY_LONG_LONG)PyLong_AsLongLong(x); + } + } else { + signed PY_LONG_LONG val; + PyObject *tmp = __Pyx_PyNumber_Int(x); + if (!tmp) return (signed PY_LONG_LONG)-1; + val = __Pyx_PyInt_AsSignedLongLong(tmp); + Py_DECREF(tmp); + return val; + } +} + +static void __Pyx_WriteUnraisable(const char *name, int clineno, + int lineno, const char *filename) { + PyObject *old_exc, *old_val, *old_tb; + PyObject *ctx; + __Pyx_ErrFetch(&old_exc, &old_val, &old_tb); + #if PY_MAJOR_VERSION < 3 + ctx = PyString_FromString(name); + #else + ctx = PyUnicode_FromString(name); + #endif + __Pyx_ErrRestore(old_exc, old_val, old_tb); + if (!ctx) { + PyErr_WriteUnraisable(Py_None); + } else { + PyErr_WriteUnraisable(ctx); + Py_DECREF(ctx); + } +} + +static int __Pyx_check_binary_version(void) { + char ctversion[4], rtversion[4]; + PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION); + PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion()); + if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) { + char message[200]; + PyOS_snprintf(message, sizeof(message), + "compiletime version %s of module '%.100s' " + "does not match runtime version %s", + ctversion, __Pyx_MODULE_NAME, rtversion); + #if PY_VERSION_HEX < 0x02050000 + return PyErr_Warn(NULL, message); + #else + return PyErr_WarnEx(NULL, message, 1); + #endif + } + return 0; +} + +#ifndef __PYX_HAVE_RT_ImportType +#define __PYX_HAVE_RT_ImportType +static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, + size_t size, int strict) +{ + PyObject *py_module = 0; + PyObject *result = 0; + PyObject *py_name = 0; + char warning[200]; + + py_module = __Pyx_ImportModule(module_name); + if (!py_module) + goto bad; + #if PY_MAJOR_VERSION < 3 + py_name = PyString_FromString(class_name); + #else + py_name = PyUnicode_FromString(class_name); + #endif + if (!py_name) + goto bad; + result = PyObject_GetAttr(py_module, py_name); + Py_DECREF(py_name); + py_name = 0; + Py_DECREF(py_module); + py_module = 0; + if (!result) + goto bad; + if (!PyType_Check(result)) { + PyErr_Format(PyExc_TypeError, + "%s.%s is not a type object", + module_name, class_name); + goto bad; + } + if (!strict && ((PyTypeObject *)result)->tp_basicsize > (Py_ssize_t)size) { + PyOS_snprintf(warning, sizeof(warning), + "%s.%s size changed, may indicate binary incompatibility", + module_name, class_name); + #if PY_VERSION_HEX < 0x02050000 + if (PyErr_Warn(NULL, warning) < 0) goto bad; + #else + if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad; + #endif + } + else if (((PyTypeObject *)result)->tp_basicsize != (Py_ssize_t)size) { + PyErr_Format(PyExc_ValueError, + "%s.%s has the wrong size, try recompiling", + module_name, class_name); + goto bad; + } + return (PyTypeObject *)result; +bad: + Py_XDECREF(py_module); + Py_XDECREF(result); + return NULL; +} +#endif + +#ifndef __PYX_HAVE_RT_ImportModule +#define __PYX_HAVE_RT_ImportModule +static PyObject *__Pyx_ImportModule(const char *name) { + PyObject *py_name = 0; + PyObject *py_module = 0; + + #if PY_MAJOR_VERSION < 3 + py_name = PyString_FromString(name); + #else + py_name = PyUnicode_FromString(name); + #endif + if (!py_name) + goto bad; + py_module = PyImport_Import(py_name); + Py_DECREF(py_name); + return py_module; +bad: + Py_XDECREF(py_name); + return 0; +} +#endif + +#include "compile.h" +#include "frameobject.h" +#include "traceback.h" + +static void __Pyx_AddTraceback(const char *funcname, int __pyx_clineno, + int __pyx_lineno, const char *__pyx_filename) { + PyObject *py_srcfile = 0; + PyObject *py_funcname = 0; + PyObject *py_globals = 0; + PyCodeObject *py_code = 0; + PyFrameObject *py_frame = 0; + + #if PY_MAJOR_VERSION < 3 + py_srcfile = PyString_FromString(__pyx_filename); + #else + py_srcfile = PyUnicode_FromString(__pyx_filename); + #endif + if (!py_srcfile) goto bad; + if (__pyx_clineno) { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno); + #else + py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno); + #endif + } + else { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromString(funcname); + #else + py_funcname = PyUnicode_FromString(funcname); + #endif + } + if (!py_funcname) goto bad; + py_globals = PyModule_GetDict(__pyx_m); + if (!py_globals) goto bad; + py_code = PyCode_New( + 0, /*int argcount,*/ + #if PY_MAJOR_VERSION >= 3 + 0, /*int kwonlyargcount,*/ + #endif + 0, /*int nlocals,*/ + 0, /*int stacksize,*/ + 0, /*int flags,*/ + __pyx_empty_bytes, /*PyObject *code,*/ + __pyx_empty_tuple, /*PyObject *consts,*/ + __pyx_empty_tuple, /*PyObject *names,*/ + __pyx_empty_tuple, /*PyObject *varnames,*/ + __pyx_empty_tuple, /*PyObject *freevars,*/ + __pyx_empty_tuple, /*PyObject *cellvars,*/ + py_srcfile, /*PyObject *filename,*/ + py_funcname, /*PyObject *name,*/ + __pyx_lineno, /*int firstlineno,*/ + __pyx_empty_bytes /*PyObject *lnotab*/ + ); + if (!py_code) goto bad; + py_frame = PyFrame_New( + PyThreadState_GET(), /*PyThreadState *tstate,*/ + py_code, /*PyCodeObject *code,*/ + py_globals, /*PyObject *globals,*/ + 0 /*PyObject *locals*/ + ); + if (!py_frame) goto bad; + py_frame->f_lineno = __pyx_lineno; + PyTraceBack_Here(py_frame); +bad: + Py_XDECREF(py_srcfile); + Py_XDECREF(py_funcname); + Py_XDECREF(py_code); + Py_XDECREF(py_frame); +} + +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) { + while (t->p) { + #if PY_MAJOR_VERSION < 3 + if (t->is_unicode) { + *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); + } else if (t->intern) { + *t->p = PyString_InternFromString(t->s); + } else { + *t->p = PyString_FromStringAndSize(t->s, t->n - 1); + } + #else /* Python 3+ has unicode identifiers */ + if (t->is_unicode | t->is_str) { + if (t->intern) { + *t->p = PyUnicode_InternFromString(t->s); + } else if (t->encoding) { + *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); + } else { + *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); + } + } else { + *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); + } + #endif + if (!*t->p) + return -1; + ++t; + } + return 0; +} + +/* Type Conversion Functions */ + +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { + int is_true = x == Py_True; + if (is_true | (x == Py_False) | (x == Py_None)) return is_true; + else return PyObject_IsTrue(x); +} + +static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) { + PyNumberMethods *m; + const char *name = NULL; + PyObject *res = NULL; +#if PY_VERSION_HEX < 0x03000000 + if (PyInt_Check(x) || PyLong_Check(x)) +#else + if (PyLong_Check(x)) +#endif + return Py_INCREF(x), x; + m = Py_TYPE(x)->tp_as_number; +#if PY_VERSION_HEX < 0x03000000 + if (m && m->nb_int) { + name = "int"; + res = PyNumber_Int(x); + } + else if (m && m->nb_long) { + name = "long"; + res = PyNumber_Long(x); + } +#else + if (m && m->nb_int) { + name = "int"; + res = PyNumber_Long(x); + } +#endif + if (res) { +#if PY_VERSION_HEX < 0x03000000 + if (!PyInt_Check(res) && !PyLong_Check(res)) { +#else + if (!PyLong_Check(res)) { +#endif + PyErr_Format(PyExc_TypeError, + "__%s__ returned non-%s (type %.200s)", + name, name, Py_TYPE(res)->tp_name); + Py_DECREF(res); + return NULL; + } + } + else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, + "an integer is required"); + } + return res; +} + +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { + Py_ssize_t ival; + PyObject* x = PyNumber_Index(b); + if (!x) return -1; + ival = PyInt_AsSsize_t(x); + Py_DECREF(x); + return ival; +} + +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { +#if PY_VERSION_HEX < 0x02050000 + if (ival <= LONG_MAX) + return PyInt_FromLong((long)ival); + else { + unsigned char *bytes = (unsigned char *) &ival; + int one = 1; int little = (int)*(unsigned char*)&one; + return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0); + } +#else + return PyInt_FromSize_t(ival); +#endif +} + +static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) { + unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x); + if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) { + return (size_t)-1; + } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) { + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to size_t"); + return (size_t)-1; + } + return (size_t)val; +} + + +#endif /* Py_PYTHON_H */ diff --git a/scipy/sparse/csgraph/graph_traversal.pyx b/scipy/sparse/csgraph/graph_traversal.pyx new file mode 100644 index 000000000000..0fef584febfa --- /dev/null +++ b/scipy/sparse/csgraph/graph_traversal.pyx @@ -0,0 +1,166 @@ +""" +Routines for traversing graphs in compressed sparse format +""" + +# Author: Jake Vanderplas -- +# License: BSD, (C) 2012 + +import numpy as np +cimport numpy as np + +from scipy.sparse import csr_matrix, isspmatrix, isspmatrix_csr, isspmatrix_csc + +cimport cython + +from libc.stdlib cimport malloc, free + +DTYPE = np.float64 +ctypedef np.float64_t DTYPE_t + +ITYPE = np.int32 +ctypedef np.int32_t ITYPE_t + +# NULL_IDX is the index used in predecessor matrices to store a non-path +cdef ITYPE_t NULL_IDX = -9999 + + +def cs_graph_breadth_first(csgraph, i_start, + directed=True, return_predecessors=True): + """Return the breadth-first ordering starting with specified node. + + Parameters + ---------- + csgraph: array-like or sparse matrix, shape=(N, N) + compressed sparse graph. Will be converted to csr format for + the calculation. + i_start: integer + index of starting mode + directed: bool (default=True) + if True, then operate on a directed graph: only + move from point i to point j along paths csgraph[i, j] + if False, then find the shortest path on an undirected graph: the + algorithm can progress from point i to j along csgraph[i, j] or + csgraph[j, i] + return_predecessors: bool (default=True) + If True, return the predecesor array + + Returns + ------- + node_array: np.ndarray, int, shape=(N_nodes,) + breadth-first list of nodes, starting with specified node + predecessors: np.ndarray, int, shape=(N_nodes,) + returned only if return_predecessors == True + list of predecessors of each node in a breadth-first tree + """ + global NULL_IDX + + # if csc matrix and the graph is nondirected, then we can convert to + # csr using a transpose. + if (not directed) and isspmatrix_csc(csgraph): + csgraph = csgraph.T + elif isspmatrix(csgraph): + csgraph = csgraph.tocsr() + else: + csgraph = csr_matrix(csgraph) + + cdef int N = csgraph.shape[0] + if csgraph.shape[1] != N: + raise ValueError("csgraph must be a square matrix") + + cdef np.ndarray node_list = np.empty(N, dtype=ITYPE) + cdef np.ndarray predecessors = np.empty(N, dtype=ITYPE) + node_list.fill(NULL_IDX) + predecessors.fill(NULL_IDX) + + if directed: + length = _breadth_first(i_start, + csgraph.indices, csgraph.indptr, + node_list, predecessors) + else: + csgraph_T = csgraph.T.tocsr() + length = _breadth_first_undirected(i_start, + csgraph.indices, csgraph.indptr, + csgraph_T.indices, csgraph_T.indptr, + node_list, predecessors) + + if return_predecessors: + return node_list[:length], predecessors + else: + return node_list[:length] + + +cdef unsigned int _breadth_first( + unsigned int head_node, + np.ndarray[ITYPE_t, ndim=1, mode='c'] indices, + np.ndarray[ITYPE_t, ndim=1, mode='c'] indptr, + np.ndarray[ITYPE_t, ndim=1, mode='c'] node_list, + np.ndarray[ITYPE_t, ndim=1, mode='c'] predecessors): + global NULL_IDX + + cdef unsigned int i, pnode, cnode + cdef unsigned int i_nl, i_nl_end + cdef unsigned int N = node_list.shape[0] + + node_list[0] = head_node + i_nl = 0 + i_nl_end = 1 + + while i_nl < i_nl_end: + pnode = node_list[i_nl] + + for i from indptr[pnode] <= i < indptr[pnode + 1]: + cnode = indices[i] + if (cnode == head_node): + continue + elif (predecessors[cnode] == NULL_IDX): + node_list[i_nl_end] = cnode + predecessors[cnode] = pnode + i_nl_end += 1 + + i_nl += 1 + + return i_nl + + +cdef unsigned int _breadth_first_undirected( + unsigned int head_node, + np.ndarray[ITYPE_t, ndim=1, mode='c'] indices1, + np.ndarray[ITYPE_t, ndim=1, mode='c'] indptr1, + np.ndarray[ITYPE_t, ndim=1, mode='c'] indices2, + np.ndarray[ITYPE_t, ndim=1, mode='c'] indptr2, + np.ndarray[ITYPE_t, ndim=1, mode='c'] node_list, + np.ndarray[ITYPE_t, ndim=1, mode='c'] predecessors): + global NULL_IDX + + cdef unsigned int i, pnode, cnode + cdef unsigned int i_nl, i_nl_end + cdef unsigned int N = node_list.shape[0] + + node_list[0] = head_node + i_nl = 0 + i_nl_end = 1 + + while i_nl < i_nl_end: + pnode = node_list[i_nl] + + for i from indptr1[pnode] <= i < indptr1[pnode + 1]: + cnode = indices1[i] + if (cnode == head_node): + continue + elif (predecessors[cnode] == NULL_IDX): + node_list[i_nl_end] = cnode + predecessors[cnode] = pnode + i_nl_end += 1 + + for i from indptr2[pnode] <= i < indptr2[pnode + 1]: + cnode = indices2[i] + if (cnode == head_node): + continue + elif (predecessors[cnode] == NULL_IDX): + node_list[i_nl_end] = cnode + predecessors[cnode] = pnode + i_nl_end += 1 + + i_nl += 1 + + return i_nl diff --git a/scipy/sparse/csgraph/setup.py b/scipy/sparse/csgraph/setup.py index 92eb73dd0d9f..259712cd05d5 100644 --- a/scipy/sparse/csgraph/setup.py +++ b/scipy/sparse/csgraph/setup.py @@ -13,4 +13,8 @@ def configuration(parent_package='', top_path=None): sources=['graph_shortest_path.c'], include_dirs=[numpy.get_include()]) + config.add_extension('graph_traversal', + sources=['graph_traversal.c'], + include_dirs=[numpy.get_include()]) + return config