cupy.isposinf#

cupy.isposinf(x, out=None)[source]#

Test element-wise for positive infinity, return result as bool array.

Parameters:

x (cupy.ndarray) – Input array.
out (cupy.ndarray) – A location into which the result is stored. If provided, it should have a shape that input broadcasts to. By default, None, a freshly- allocated boolean array, is returned.

Returns:

y – Boolean array of same shape as x.

Return type:

cupy.ndarray

Examples

>>> cupy.isposinf(0)
array(False)
>>> cupy.isposinf(cupy.inf)
array(True)
>>> cupy.isposinf(cupy.array([-cupy.inf, -4, cupy.nan, 0, 4, cupy.inf]))
array([False, False, False, False, False,  True])