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2025-06-12 7b72ac13a83764a662159d4a49b7fffb90476ecb

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/**
 * @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 { ExpandDims, util } from '@tensorflow/tfjs-core';
import { reshape } from './Reshape';
export function expandDims(args) {
    const { inputs, attrs, backend } = args;
    const { dim } = attrs;
    const { input } = inputs;
    const inputRank = input.shape.length;
    const newShape = input.shape.slice();
    let $dim = dim;
    if (dim < 0) {
        // Negative value is counted from the tail of rank.
        util.assert(-(inputRank + 1) <= dim, () => `Axis must be in the interval [${-(inputRank + 1)}, ${inputRank}]`);
        $dim = inputRank + dim + 1;
    }
    newShape.splice($dim, 0, 1);
    return reshape({ inputs: { x: input }, backend, attrs: { shape: newShape } });
}
export const expandDimsConfig = {
    kernelName: ExpandDims,
    backendName: 'webgl',
    kernelFunc: expandDims,
};
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