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photo: initialize cos() table with double type

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This avoids MSVC 19.14.26428.1 to call vectorized __vdecl_cosf4() function with less precision.
This commit is contained in:
Alexander Alekhin 2018-05-17 15:30:11 +03:00
parent 1983991d2f
commit 491e3627b6
1 changed files with 4 additions and 2 deletions
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6
modules/photo/src/seamless_cloning_impl.cpp
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@ -251,13 +251,15 @@ void Cloning::initVariables(const Mat &destination, const Mat &binaryMask)
//init of the filters used in the dst
const int w = destination.cols;
filter_X.resize(w - 2);
double scale = CV_PI / (w - 1);
for(int i = 0 ; i < w-2 ; ++i)
filter_X[i] = 2.0f * std::cos(static_cast<float>(CV_PI) * (i + 1) / (w - 1));
filter_X[i] = 2.0f * (float)std::cos(scale * (i + 1));
const int h = destination.rows;
filter_Y.resize(h - 2);
scale = CV_PI / (h - 1);
for(int j = 0 ; j < h - 2 ; ++j)
filter_Y[j] = 2.0f * std::cos(static_cast<float>(CV_PI) * (j + 1) / (h - 1));
filter_Y[j] = 2.0f * (float)std::cos(scale * (j + 1));
}
void Cloning::computeDerivatives(const Mat& destination, const Mat &patch, const Mat &binaryMask)