mirror of https://github.com/milvus-io/milvus.git
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
// Copyright (C) 2019-2020 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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namespace {
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float
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L2(const float* point_a, const float* point_b, int dim) {
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float dis = 0;
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for (auto i = 0; i < dim; i++) {
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auto c_a = point_a[i];
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auto c_b = point_b[i];
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dis += pow(c_b - c_a, 2);
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}
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return dis;
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}
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float
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IP(const float* point_a, const float* point_b, int dim) {
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float dis = 0;
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for (auto i = 0; i < dim; i++) {
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auto c_a = point_a[i];
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auto c_b = point_b[i];
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dis += c_a * c_b;
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}
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return dis;
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}
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} // namespace
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