doesIntersectionExist 1578 modules/calib3d/src/circlesgrid.cpp     isInsider[i] = doesIntersectionExist(largeSegments[i], smallSegments);
doesIntersectionExist  198 modules/calib3d/src/circlesgrid.hpp   static bool doesIntersectionExist(const std::vector<Segment> &corner, const std::vector<std::vector<Segment> > &segments);