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chenyc

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, SparseToDense, util } from '@tensorflow/tfjs-core';
import { scatterImpl } from './Scatter_impl';
export function sparseToDense(args) {
    const { inputs, backend, attrs } = args;
    const { sparseIndices, sparseValues, defaultValue } = inputs;
    const { outputShape } = attrs;
    const { sliceRank, numUpdates, sliceSize, strides, outputSize } = backend_util.calculateShapes(sparseValues, sparseIndices, outputShape);
    const sumDupeIndices = false;
    const indicesBuf = backend.bufferSync(sparseIndices);
    let outBuf;
    switch (sparseValues.dtype) {
        case 'bool': {
            const updatesBuf = backend.bufferSync(sparseValues);
            const $defaultValue = Boolean(backend.data.get(defaultValue.dataId).values[0]);
            outBuf = scatterImpl(indicesBuf, updatesBuf, outputShape, outputSize, sliceSize, numUpdates, sliceRank, strides, $defaultValue, sumDupeIndices);
            break;
        }
        case 'float32': {
            const updatesBuf = backend.bufferSync(sparseValues);
            const $defaultValue = backend.data.get(defaultValue.dataId).values[0];
            outBuf = scatterImpl(indicesBuf, updatesBuf, outputShape, outputSize, sliceSize, numUpdates, sliceRank, strides, $defaultValue, sumDupeIndices);
            break;
        }
        case 'int32': {
            const updatesBuf = backend.bufferSync(sparseValues);
            const $defaultValue = backend.data.get(defaultValue.dataId).values[0];
            outBuf = scatterImpl(indicesBuf, updatesBuf, outputShape, outputSize, sliceSize, numUpdates, sliceRank, strides, $defaultValue, sumDupeIndices);
            break;
        }
        case 'string': {
            const updatesBuf = backend.bufferSync(sparseValues);
            const $defaultValue = util.decodeString(backend.data.get(defaultValue.dataId).values[0]);
            outBuf = scatterImpl(indicesBuf, updatesBuf, outputShape, outputSize, sliceSize, numUpdates, sliceRank, strides, $defaultValue, sumDupeIndices);
            break;
        }
        default:
            throw new Error(`Unsupported type ${sparseValues.dtype}`);
    }
    return backend.makeTensorInfo(outputShape, outBuf.dtype, outBuf.values);
}
export const sparseToDenseConfig = {
    kernelName: SparseToDense,
    backendName: 'cpu',
    kernelFunc: sparseToDense
};
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