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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 { buffer, Diag, util } from '@tensorflow/tfjs-core';
export function diag(args) {
    const { inputs, backend } = args;
    const { x } = inputs;
    const xSize = util.sizeFromShape(x.shape);
    const xVals = backend.data.get(x.dataId).values;
    const outBuf = buffer([xSize, xSize], x.dtype);
    const vals = outBuf.values;
    for (let i = 0; i < xVals.length; i++) {
        vals[i * xSize + i] = xVals[i];
    }
    const outShape = [...x.shape, ...x.shape];
    return backend.makeTensorInfo(outShape, outBuf.dtype, outBuf.values);
}
export const diagConfig = {
    kernelName: Diag,
    backendName: 'cpu',
    kernelFunc: diag
};
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