/**
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* @license
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* Copyright 2020 Google LLC. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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import { Sign } from '@tensorflow/tfjs-core';
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import { unaryKernelFunc } from '../kernel_utils/kernel_funcs_utils';
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// Sign does not propagate NANs.
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const SIGN = `
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if (isnan(x)) { return 0.0; }
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return sign(x);
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`;
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export const sign = unaryKernelFunc({ opSnippet: SIGN });
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export const signConfig = {
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kernelName: Sign,
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backendName: 'webgl',
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kernelFunc: sign,
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};
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