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fix compilation on MSVS2010

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This commit is contained in:
Alexander Alekhin 2015-03-12 19:07:53 +03:00
parent 74e88cc0f1
commit 50b99e5aef
1 changed files with 1 additions and 1 deletions
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samples/cpp/tutorial_code/ml/introduction_to_pca/introduction_to_pca.cpp
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@ -23,7 +23,7 @@ void drawAxis(Mat& img, Point p, Point q, Scalar colour, const float scale = 0.2
double angle;
double hypotenuse;
angle = atan2( (double) p.y - q.y, (double) p.x - q.x ); // angle in radians
hypotenuse = sqrt( (p.y - q.y) * (p.y - q.y) + (p.x - q.x) * (p.x - q.x));
hypotenuse = sqrt( (double) (p.y - q.y) * (p.y - q.y) + (p.x - q.x) * (p.x - q.x));
// double degrees = angle * 180 / CV_PI; // convert radians to degrees (0-180 range)
// cout << "Degrees: " << abs(degrees - 180) << endl; // angle in 0-360 degrees range