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# :Author: Travis Oliphant
# API declaration section. This basically exposes the NumPy C API to
# Pyrex/Cython programs.
cdef extern from "numpy/arrayobject.h":
cdef enum NPY_TYPES:
NPY_BOOL
NPY_BYTE
NPY_UBYTE
NPY_SHORT
NPY_USHORT
NPY_INT
NPY_UINT
NPY_LONG
NPY_ULONG
NPY_LONGLONG
NPY_ULONGLONG
NPY_FLOAT
NPY_DOUBLE
NPY_LONGDOUBLE
NPY_CFLOAT
NPY_CDOUBLE
NPY_CLONGDOUBLE
NPY_OBJECT
NPY_STRING
NPY_UNICODE
NPY_VOID
NPY_NTYPES
NPY_NOTYPE
cdef enum requirements:
NPY_CONTIGUOUS
NPY_FORTRAN
NPY_OWNDATA
NPY_FORCECAST
NPY_ENSURECOPY
NPY_ENSUREARRAY
NPY_ELEMENTSTRIDES
NPY_ALIGNED
NPY_NOTSWAPPED
NPY_WRITEABLE
NPY_UPDATEIFCOPY
NPY_ARR_HAS_DESCR
NPY_BEHAVED
NPY_BEHAVED_NS
NPY_CARRAY
NPY_CARRAY_RO
NPY_FARRAY
NPY_FARRAY_RO
NPY_DEFAULT
NPY_IN_ARRAY
NPY_OUT_ARRAY
NPY_INOUT_ARRAY
NPY_IN_FARRAY
NPY_OUT_FARRAY
NPY_INOUT_FARRAY
NPY_UPDATE_ALL
cdef enum defines:
NPY_MAXDIMS
ctypedef struct npy_cdouble:
double real
double imag
ctypedef struct npy_cfloat:
double real
double imag
ctypedef int npy_intp
ctypedef extern class numpy.dtype [object PyArray_Descr]:
cdef int type_num, elsize, alignment
cdef char type, kind, byteorder
cdef int flags
cdef object fields, typeobj
ctypedef extern class numpy.ndarray [object PyArrayObject]:
cdef char *data
cdef int nd
cdef npy_intp *dimensions
cdef npy_intp *strides
cdef object base
cdef dtype descr
cdef int flags
ctypedef extern class numpy.flatiter [object PyArrayIterObject]:
cdef int nd_m1
cdef npy_intp index, size
cdef ndarray ao
cdef char *dataptr
ctypedef extern class numpy.broadcast [object PyArrayMultiIterObject]:
cdef int numiter
cdef npy_intp size, index
cdef int nd
cdef npy_intp *dimensions
cdef void **iters
object PyArray_ZEROS(int ndims, npy_intp* dims, NPY_TYPES type_num, int fortran)
object PyArray_EMPTY(int ndims, npy_intp* dims, NPY_TYPES type_num, int fortran)
dtype PyArray_DescrFromTypeNum(NPY_TYPES type_num)
object PyArray_SimpleNew(int ndims, npy_intp* dims, NPY_TYPES type_num)
int PyArray_Check(object obj)
object PyArray_ContiguousFromAny(object obj, NPY_TYPES type,
int mindim, int maxdim)
object PyArray_ContiguousFromObject(object obj, NPY_TYPES type,
int mindim, int maxdim)
npy_intp PyArray_SIZE(ndarray arr)
npy_intp PyArray_NBYTES(ndarray arr)
void *PyArray_DATA(ndarray arr)
object PyArray_FromAny(object obj, dtype newtype, int mindim, int maxdim,
int requirements, object context)
object PyArray_FROMANY(object obj, NPY_TYPES type_num, int min,
int max, int requirements)
object PyArray_NewFromDescr(object subtype, dtype newtype, int nd,
npy_intp* dims, npy_intp* strides, void* data,
int flags, object parent)
object PyArray_FROM_OTF(object obj, NPY_TYPES type, int flags)
object PyArray_EnsureArray(object)
object PyArray_MultiIterNew(int n, ...)
char *PyArray_MultiIter_DATA(broadcast multi, int i)
void PyArray_MultiIter_NEXTi(broadcast multi, int i)
void PyArray_MultiIter_NEXT(broadcast multi)
object PyArray_IterNew(object arr)
void PyArray_ITER_NEXT(flatiter it)
void import_array()
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