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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 { backend_util, GatherNd, util } from '@tensorflow/tfjs-core';
import { gatherNdImpl } from './GatherNd_Impl';
export function gatherNd(args) {
    const { inputs, backend } = args;
    const { params, indices } = inputs;
    const paramsSize = util.sizeFromShape(params.shape);
    const indicesShape = indices.shape;
    const sliceRank = indicesShape[indicesShape.length - 1];
    const [resultShape, numSlices, sliceSize, strides] = backend_util.prepareAndValidate(params, indices);
    if (numSlices === 0) {
        return backend.makeTensorInfo(resultShape, params.dtype, []);
    }
    const indicesData = backend.data.get(indices.dataId).values;
    const paramsBuf = backend.bufferSync(params);
    const outBuf = gatherNdImpl(indicesData, paramsBuf, params.dtype, numSlices, sliceRank, sliceSize, strides, params.shape, paramsSize);
    return backend.makeTensorInfo(resultShape, params.dtype, outBuf.values);
}
export const gatherNdConfig = {
    kernelName: GatherNd,
    backendName: 'cpu',
    kernelFunc: gatherNd
};
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