/**
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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 { Abs, util } from '@tensorflow/tfjs-core';
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import { assertNotComplex } from '../cpu_util';
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export function simpleAbsImpl(vals) {
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const resultValues = new Float32Array(vals.length);
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for (let i = 0; i < vals.length; ++i) {
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resultValues[i] = Math.abs(vals[i]);
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}
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return resultValues;
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}
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export const abs = (args) => {
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const { x } = args.inputs;
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const cpuBackend = args.backend;
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assertNotComplex(x, 'abs');
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let resultValues = new Float32Array(util.sizeFromShape(x.shape));
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const values = cpuBackend.data.get(x.dataId).values;
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resultValues = simpleAbsImpl(values);
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return cpuBackend.makeOutput(resultValues, x.shape, x.dtype);
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};
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export const absConfig = {
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kernelName: Abs,
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backendName: 'cpu',
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kernelFunc: abs,
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};
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