getDirection      825 modules/calib3d/src/circlesgrid.cpp       getDirection(centers[0], centers[detectedGridSize.width - 1], centers[centers.size() - 1]) < 0;
getDirection     1461 modules/calib3d/src/circlesgrid.cpp   bool doesStraddle1 = (getDirection(seg2.s, seg2.e, seg1.s) * getDirection(seg2.s, seg2.e, seg1.e)) < 0;
getDirection     1462 modules/calib3d/src/circlesgrid.cpp   bool doesStraddle2 = (getDirection(seg1.s, seg1.e, seg2.s) * getDirection(seg1.s, seg1.e, seg2.e)) < 0;
getDirection     1530 modules/calib3d/src/circlesgrid.cpp       getDirection(keypoints[points[0][0]], keypoints[points[0][w - 1]], keypoints[points[h - 1][w - 1]]) < 0;
getDirection      204 modules/calib3d/src/circlesgrid.hpp   static double getDirection(cv::Point2f p1, cv::Point2f p2, cv::Point2f p3);