CV_PI_F            57 modules/core/include/opencv2/core/cuda/common.hpp #ifndef CV_PI_F
CV_PI_F           637 modules/cudev/include/opencv2/cudev/functional/functional.hpp         angle += (angle < 0) * (2.0f * CV_PI_F);
CV_PI_F           640 modules/cudev/include/opencv2/cudev/functional/functional.hpp             angle *= (180.0f / CV_PI_F);
CV_PI_F           652 modules/objdetect/src/opencl/objdetect_hog.cl         float ang = (atan2(best_dy, best_dx) + CV_PI_F) * angle_scale - 0.5f;
CV_PI_F           712 modules/objdetect/src/opencl/objdetect_hog.cl         float ang = (atan2(dy, dx) + CV_PI_F) * angle_scale - 0.5f;