@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
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JavaScript
/**
* @license
* Copyright 2020 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
import { ClipByValue } from '../kernel_names';
import { greaterEqual } from '../ops/greater_equal';
import { lessEqual } from '../ops/less_equal';
import { logicalAnd } from '../ops/logical_and';
import { where } from '../ops/where';
import { zerosLike } from '../ops/zeros_like';
export const clipByValueGradConfig = {
kernelName: ClipByValue,
inputsToSave: ['x'],
gradFunc: (dy, saved, attrs) => {
const [x] = saved;
const { clipValueMin, clipValueMax } = attrs;
return {
x: () => where(logicalAnd(greaterEqual(x, clipValueMin), lessEqual(x, clipValueMax)), dy, zerosLike(dy)),
};
}
};
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