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torch.signbit

torch.signbit(input, *, out=None) → Tensor

Tests if each element of input has its sign bit set (is less than zero) or not.

Parameters

input (Tensor) – the input tensor.

Keyword Arguments

out (Tensor, optional) – the output tensor.

Example:

>>> a = torch.tensor([0.7, -1.2, 0., 2.3])
>>> torch.signbit(a)
tensor([ False, True,  False,  False])

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