Lines Matching refs:itemsize

116       ``product(shape) * itemsize``. For contiguous arrays, this is the length
130    .. c:member:: Py_ssize_t itemsize
137       be set to  *NULL*,  but :c:member:`~Py_buffer.itemsize` still has
141       ``product(shape) * itemsize == len`` still holds and the consumer
142       can use :c:member:`~Py_buffer.itemsize` to navigate the buffer.
146       :c:member:`~Py_buffer.itemsize` and assume ``itemsize == 1``.
171       ``shape[0] * ... * shape[ndim-1] * itemsize`` MUST be equal to
235 :c:member:`~Py_buffer.len`, :c:member:`~Py_buffer.itemsize`, :c:member:`~Py_buffer.ndim`.
347 The logical structure of NumPy-style arrays is defined by :c:member:`~Py_buffer.itemsize`,
351 interpreted as a scalar of size :c:member:`~Py_buffer.itemsize`. In that case,
368    def verify_structure(memlen, itemsize, ndim, shape, strides, offset):
375        if offset % itemsize:
377        if offset < 0 or offset+itemsize > memlen:
379        if any(v % itemsize for v in strides):
392        return 0 <= offset+imin and offset+imax+itemsize <= memlen
465    Return the implied :c:data:`~Py_buffer.itemsize` from :c:data:`~Py_buffer.format`.
485 …_FillContiguousStrides(int ndims, Py_ssize_t *shape, Py_ssize_t *strides, int itemsize, char order)