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34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
// Copyright (C) 2019-2023 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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#include "ref.h"
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namespace milvus {
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namespace simd {
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BitsetBlockType
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GetBitsetBlockRef(const bool* src) {
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BitsetBlockType val = 0;
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uint8_t vals[BITSET_BLOCK_SIZE] = {0};
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for (size_t j = 0; j < 8; ++j) {
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for (size_t k = 0; k < BITSET_BLOCK_SIZE; ++k) {
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vals[k] |= uint8_t(*(src + k * 8 + j)) << j;
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}
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}
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for (size_t j = 0; j < BITSET_BLOCK_SIZE; ++j) {
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val |= (BitsetBlockType)(vals[j]) << (8 * j);
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}
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return val;
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}
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} // namespace simd
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} // namespace milvus
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