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torch.signbit#
- torch.signbit(input,*,out=None)→Tensor#
Tests if each element of
inputhas its sign bit set 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])>>>a=torch.tensor([-0.0,0.0])>>>torch.signbit(a)tensor([ True, False])
Note
signbit handles signed zeros, so negative zero (-0) returns True.
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