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tesseract
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src/arch/dotproduct.cpp
33 строки
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Stefan Weil
Fix comment
01 авг 2021, 14:17
01 авг 2021, 14:17
edcf4fc
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/////////////////////////////////////////////////////////////////////// // File: dotproduct.cpp // Description: Native dot product function. // // (C) Copyright 2018, Google Inc. // 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. /////////////////////////////////////////////////////////////////////// #include "dotproduct.h" namespace tesseract { // Computes and returns the dot product of the two n-vectors u and v. TFloat DotProductNative(const TFloat *u, const TFloat *v, int n) { TFloat total = 0; #if defined(OPENMP_SIMD) || defined(_OPENMP) #pragma omp simd reduction(+:total) #endif for (int k = 0; k < n; k++) { total += u[k] * v[k]; } return total; } } // namespace tesseract