17 lines
511 B
Python
17 lines
511 B
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright 2020 Johns Hopkins University (Shinji Watanabe)
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# Northwestern Polytechnical University (Pengcheng Guo)
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# Apache 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
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"""Swish() activation function for Conformer."""
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import torch
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class Swish(torch.nn.Module):
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"""Construct an Swish object."""
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def forward(self, x: torch.Tensor) -> torch.Tensor:
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"""Return Swish activation function."""
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return x * torch.sigmoid(x)
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