numpy.lib.array_utils.byte_bounds

lib.array_utils.byte_bounds(a)[source]

Returns pointers to the end-points of an array.

Parameters:

andarray

Input array. It must conform to the Python-side of the array interface.

Returns:

(low, high)tuple of 2 integers

The first integer is the first byte of the array, the second integer is just past the last byte of the array. If a is not contiguous it will not use every byte between the (low, high) values.

Examples

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>>> import numpy as np
>>> I = np.eye(2, dtype='f'); I.dtype
dtype('float32')
>>> low, high = np.lib.array_utils.byte_bounds(I)
>>> high - low == I.size*I.itemsize
True
>>> I = np.eye(2); I.dtype
dtype('float64')
>>> low, high = np.lib.array_utils.byte_bounds(I)
>>> high - low == I.size*I.itemsize
True

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