From torch.clamp — PyTorch 1.10.0 documentation
>>> a = torch.randn(4)
>>> a
tensor([-1.7120,  0.1734, -0.0478, -0.0922])
>>> torch.clamp(a, min=-0.5, max=0.5)
tensor([-0.5000,  0.1734, -0.0478, -0.0922])

>>> min = torch.linspace(-1, 1, steps=4)
>>> torch.clamp(a, min=min)
tensor([-1.0000,  0.1734,  0.3333,  1.0000])