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fixed compile error on VS2008

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This commit is contained in:
Maria Dimashova 2010-07-30 14:36:04 +00:00
parent 5e84ab0222
commit f6c8e237f0
1 changed files with 1 additions and 1 deletions
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modules/features2d/src/keypoint.cpp
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@ -143,7 +143,7 @@ float KeyPoint::overlap( const KeyPoint& kp1, const KeyPoint& kp2 )
float triangleAreaB = b_2 * sinAlpha * cosAlpha;
float intersectionArea = segmentAreaA + segmentAreaB - triangleAreaA - triangleAreaB;
float unionArea = (a_2 + b_2) * M_PI - intersectionArea;
float unionArea = (a_2 + b_2) * CV_PI - intersectionArea;
ovrl = intersectionArea / unionArea;
}