tesseract  5.0.0-alpha-619-ge9db
dotproduct.cpp
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1 // File: dotproduct.h
3 // Description: Native dot product function.
4 //
5 // (C) Copyright 2018, Google Inc.
6 // Licensed under the Apache License, Version 2.0 (the "License");
7 // you may not use this file except in compliance with the License.
8 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
16 
17 #include "dotproduct.h"
18 
19 namespace tesseract {
20 
21 // Computes and returns the dot product of the two n-vectors u and v.
22 double DotProductNative(const double* u, const double* v, int n) {
23  double total = 0.0;
24  for (int k = 0; k < n; ++k) total += u[k] * v[k];
25  return total;
26 }
27 
28 } // namespace tesseract
dotproduct.h
tesseract
Definition: baseapi.h:65
tesseract::DotProductNative
double DotProductNative(const double *u, const double *v, int n)
Definition: dotproduct.cpp:22