src/multiarray/flagsobject.c File Reference

#include <Python.h>
#include "structmember.h"
#include "numpy/arrayobject.h"
#include "numpy/arrayscalars.h"
#include "npy_config.h"
#include "numpy/npy_3kcompat.h"
#include "common.h"

Defines
#define	PY_SSIZE_T_CLEAN
#define	NPY_NO_DEPRECATED_API
#define	_MULTIARRAYMODULE
#define	NPY_NO_PREFIX
#define	_define_get(UPPER, lower)
Functions
static int	_IsContiguous (PyArrayObject *ap)
static int	_IsFortranContiguous (PyArrayObject *ap)
NPY_NO_EXPORT PyObject *	PyArray_NewFlagsObject (PyObject *obj)
NPY_NO_EXPORT void	PyArray_UpdateFlags (PyArrayObject *ret, int flagmask)
static void	arrayflags_dealloc (PyArrayFlagsObject *self)
	_define_get (NPY_ARRAY_C_CONTIGUOUS, contiguous)
static PyObject *	arrayflags_fnc_get (PyArrayFlagsObject *self)
static PyObject *	arrayflags_farray_get (PyArrayFlagsObject *self)
static PyObject *	arrayflags_num_get (PyArrayFlagsObject *self)
static int	arrayflags_updateifcopy_set (PyArrayFlagsObject *self, PyObject *obj)
static int	arrayflags_aligned_set (PyArrayFlagsObject *self, PyObject *obj)
static int	arrayflags_writeable_set (PyArrayFlagsObject *self, PyObject *obj)
static PyObject *	arrayflags_getitem (PyArrayFlagsObject *self, PyObject *ind)
static int	arrayflags_setitem (PyArrayFlagsObject *self, PyObject *ind, PyObject *item)
static char *	_torf_ (int flags, int val)
static PyObject *	arrayflags_print (PyArrayFlagsObject *self)
static int	arrayflags_compare (PyArrayFlagsObject *self, PyArrayFlagsObject *other)
static PyObject *	arrayflags_richcompare (PyObject *self, PyObject *other, int cmp_op)
static PyObject *	arrayflags_new (PyTypeObject *NPY_UNUSED(self), PyObject *args, PyObject *NPY_UNUSED(kwds))
Variables
static PyGetSetDef	arrayflags_getsets []
static PyMappingMethods	arrayflags_as_mapping
NPY_NO_EXPORT PyTypeObject	PyArrayFlags_Type

---

Define Documentation

#define _define_get	(		UPPER,
			lower
	)

Value:

static PyObject *                                                   \
    arrayflags_ ## lower ## _get(PyArrayFlagsObject *self)              \
    {                                                                   \
        PyObject *item;                                                 \
        item = ((self->flags & (UPPER)) == (UPPER)) ? Py_True : Py_False; \
        Py_INCREF(item);                                                \
        return item;                                                    \
    }

#define _MULTIARRAYMODULE

#define NPY_NO_DEPRECATED_API

#define NPY_NO_PREFIX

#define PY_SSIZE_T_CLEAN

---

Function Documentation

_define_get	(	NPY_ARRAY_C_CONTIGUOUS	,
		contiguous
	)

References NPY_ARRAY_C_CONTIGUOUS.

static int _IsContiguous

(

PyArrayObject *

ap

)

[static]

Check whether the given array is stored contiguously (row-wise) in memory.

0-strided arrays are not contiguous (even if dimension == 1)

contiguous by definition

Referenced by PyArray_UpdateFlags().

static int _IsFortranContiguous

(

PyArrayObject *

ap

)

[static]

0-strided arrays are not contiguous (even if dimension == 1)

fortran contiguous by definition

Referenced by PyArray_UpdateFlags().

static char* _torf_	(	int	flags,
		int	val
	)		[static]

static int arrayflags_aligned_set	(	PyArrayFlagsObject *	self,
		PyObject *	obj
	)		[static]

static int arrayflags_compare	(	PyArrayFlagsObject *	self,
		PyArrayFlagsObject *	other
	)		[static]

References PyArrayFlags_Type.

static void arrayflags_dealloc

(

PyArrayFlagsObject *

self

)

[static]

static PyObject* arrayflags_farray_get

(

PyArrayFlagsObject *

self

)

[static]

static PyObject* arrayflags_fnc_get

(

PyArrayFlagsObject *

self

)

[static]

static PyObject* arrayflags_getitem	(	PyArrayFlagsObject *	self,
		PyObject *	ind
	)		[static]

static PyObject* arrayflags_new	(	PyTypeObject *	NPY_UNUSEDself,
		PyObject *	args,
		PyObject *	NPY_UNUSEDkwds
	)		[static]

static PyObject* arrayflags_num_get

(

PyArrayFlagsObject *

self

)

[static]

static PyObject* arrayflags_print

(

PyArrayFlagsObject *

self

)

[static]

References PyArrayFlagsObject::flags.

static PyObject* arrayflags_richcompare	(	PyObject *	self,
		PyObject *	other,
		int	cmp_op
	)		[static]

static int arrayflags_setitem	(	PyArrayFlagsObject *	self,
		PyObject *	ind,
		PyObject *	item
	)		[static]

static int arrayflags_updateifcopy_set	(	PyArrayFlagsObject *	self,
		PyObject *	obj
	)		[static]

relies on setflags order being write, align, uic

static int arrayflags_writeable_set	(	PyArrayFlagsObject *	self,
		PyObject *	obj
	)		[static]

NPY_NO_EXPORT PyObject* PyArray_NewFlagsObject

(

PyObject *

obj

)

Get New ArrayFlagsObject

References NPY_ARRAY_ALIGNED, NPY_ARRAY_C_CONTIGUOUS, NPY_ARRAY_F_CONTIGUOUS, NPY_ARRAY_OWNDATA, PyArray_FLAGS, and PyArrayFlags_Type.

NPY_NO_EXPORT void PyArray_UpdateFlags	(	PyArrayObject *	ret,
		int	flagmask
	)

Update Several Flags at once.

This is not checked by default WRITEABLE is not part of UPDATE_ALL

References _IsAligned(), _IsContiguous(), _IsFortranContiguous(), _IsWriteable(), PyArrayObject::flags, PyArrayObject::nd, NPY_ARRAY_ALIGNED, NPY_ARRAY_C_CONTIGUOUS, NPY_ARRAY_F_CONTIGUOUS, and NPY_ARRAY_WRITEABLE.

---

Variable Documentation

PyMappingMethods arrayflags_as_mapping [static]

Initial value:

 {






    (inquiry)NULL,                       

    (binaryfunc)arrayflags_getitem,      
    (objobjargproc)arrayflags_setitem,   
}

PyGetSetDef arrayflags_getsets[] [static]

NPY_NO_EXPORT PyTypeObject PyArrayFlags_Type

Referenced by arrayflags_compare(), and PyArray_NewFlagsObject().