@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
32 lines • 1.35 kB
JavaScript
;
/**
* @license
* Copyright 2020 Google Inc. 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.
* =============================================================================
*/
Object.defineProperty(exports, "__esModule", { value: true });
var kernel_names_1 = require("../kernel_names");
exports.padV2GradConfig = {
kernelName: kernel_names_1.PadV2,
inputsToSave: ['x'],
gradFunc: function (dy, saved, attrs) {
// Pad introduces values around the original tensor, so the gradient
// slices the original shape out of the gradient.
var x = saved[0];
var paddings = attrs.paddings;
var begin = paddings.map(function (p) { return p[0]; });
return { x: function () { return dy.slice(begin, x.shape); } };
}
};
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