@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
37 lines • 1.33 kB
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 { Asinh } from '../kernel_names';
import { add } from '../ops/add';
import { cast } from '../ops/cast';
import { div } from '../ops/div';
import { scalar } from '../ops/scalar';
import { sqrt } from '../ops/sqrt';
import { square } from '../ops/square';
export const asinhGradConfig = {
kernelName: Asinh,
inputsToSave: ['x'],
gradFunc: (dy, saved) => {
const [x] = saved;
return {
x: () => {
const a = sqrt(add(scalar(1), square(cast(x, 'float32'))));
return div(dy, a);
}
};
}
};
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