15 lines
363 B
Python
15 lines
363 B
Python
# Copyright (c) ONNX Project Contributors
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# SPDX-License-Identifier: Apache-2.0
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from __future__ import annotations
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import numpy as np
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from onnx.reference.ops._op import OpRunUnaryNum
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class Elu(OpRunUnaryNum):
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def _run(self, x, alpha=None):
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alpha = alpha or self.alpha
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return (np.where(x > 0, x, alpha * (np.exp(x) - 1)).astype(x.dtype),)
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