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torch.sign

torch.sign(input, out=None) → Tensor

Returns a new tensor with the signs of the elements of input.

Parameters
  • input (Tensor) – the input tensor.

  • out (Tensor, optional) – the output tensor.

Example:

>>> a = torch.tensor([0.7, -1.2, 0., 2.3])
>>> a
tensor([ 0.7000, -1.2000,  0.0000,  2.3000])
>>> torch.sign(a)
tensor([ 1., -1.,  0.,  1.])

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