Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/tesseract/src/arch/dotproduct.cpp @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 ///////////////////////////////////////////////////////////////////////
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2 // File: dotproduct.cpp
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3 // Description: Native dot product function.
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4 //
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5 // (C) Copyright 2018, Google Inc.
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6 // Licensed under the Apache License, Version 2.0 (the "License");
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7 // you may not use this file except in compliance with the License.
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8 // You may obtain a copy of the License at
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9 // http://www.apache.org/licenses/LICENSE-2.0
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10 // Unless required by applicable law or agreed to in writing, software
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11 // distributed under the License is distributed on an "AS IS" BASIS,
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12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 // See the License for the specific language governing permissions and
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14 // limitations under the License.
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15 ///////////////////////////////////////////////////////////////////////
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17 #include "dotproduct.h"
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19 namespace tesseract {
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21 // Computes and returns the dot product of the two n-vectors u and v.
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22 TFloat DotProductNative(const TFloat *u, const TFloat *v, int n) {
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23 TFloat total = 0;
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24 #if defined(OPENMP_SIMD) || defined(_OPENMP)
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25 #pragma omp simd reduction(+:total)
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26 #endif
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27 for (int k = 0; k < n; k++) {
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28 total += u[k] * v[k];
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29 }
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30 return total;
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31 }
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33 } // namespace tesseract