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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 { util } from '@tensorflow/tfjs-core';
import { reduce } from '../kernel_utils/reduce';
import { reshape } from '../kernels/Reshape';
export function meanImpl(x, reduceShape, outShape, backend) {
    const inSize = util.sizeFromShape(reduceShape);
    const xSize = util.sizeFromShape(x.shape);
    const batchSize = xSize / inSize;
    const reshapedInput = reshape({ inputs: { x }, attrs: { shape: [batchSize, inSize] }, backend });
    const reduced = reduce(reshapedInput, 'float32', 'mean', backend);
    const reshapedOutput = reshape({ inputs: { x: reduced }, attrs: { shape: outShape }, backend });
    backend.disposeIntermediateTensorInfo(reshapedInput);
    backend.disposeIntermediateTensorInfo(reduced);
    return reshapedOutput;
}
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