gx

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 { Select, upcastType, util } from '@tensorflow/tfjs-core';
import { assertNotComplex } from '../cpu_util';
export function select(args) {
    const { inputs, backend } = args;
    const { condition, t, e } = inputs;
    assertNotComplex([condition, t, e], 'select');
    const conditionRank = condition.shape.length;
    const values = backend.data.get(condition.dataId).values;
    const tValues = backend.data.get(t.dataId).values;
    const eValues = backend.data.get(e.dataId).values;
    const resultDtype = upcastType(t.dtype, e.dtype);
    const newValues = util.makeZerosTypedArray(util.sizeFromShape(t.shape), resultDtype);
    let index = 0;
    const offset = conditionRank === 0 || conditionRank > 1 || t.shape.length === 1 ?
        1 :
        util.sizeFromShape(t.shape.slice(1));
    for (let i = 0; i < values.length; i++) {
        for (let j = 0; j < offset; j++) {
            if (values[i] === 1) {
                newValues[index++] = tValues[i];
            }
            else {
                newValues[index++] = eValues[i];
            }
        }
    }
    return backend.makeTensorInfo(t.shape, resultDtype, newValues);
}
export const selectConfig = {
    kernelName: Select,
    backendName: 'cpu',
    kernelFunc: select
};
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V3VmFsdWVzW2luZGV4KytdID0gZVZhbHVlc1tpXTtcbiAgICAgIH1cbiAgICB9XG4gIH1cblxuICByZXR1cm4gYmFja2VuZC5tYWtlVGVuc29ySW5mbyh0LnNoYXBlLCByZXN1bHREdHlwZSwgbmV3VmFsdWVzKTtcbn1cblxuZXhwb3J0IGNvbnN0IHNlbGVjdENvbmZpZzogS2VybmVsQ29uZmlnID0ge1xuICBrZXJuZWxOYW1lOiBTZWxlY3QsXG4gIGJhY2tlbmROYW1lOiAnY3B1JyxcbiAga2VybmVsRnVuYzogc2VsZWN0IGFzIHVua25vd24gYXMgS2VybmVsRnVuY1xufTtcbiJdfQ==