/**
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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 { Step } from '../kernel_names';
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import { zerosLike } from '../ops/zeros_like';
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export const stepGradConfig = {
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kernelName: Step,
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gradFunc: (dy) => {
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// TODO(manrajgrover): Return null for gradients when backprop supports
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// it.
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return { x: () => zerosLike(dy) };
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}
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};
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