UPSIDE_DOWN        52 modules/cudawarping/perf/perf_warping.cpp enum { HALF_SIZE=0, UPSIDE_DOWN, REFLECTION_X, REFLECTION_BOTH };
UPSIDE_DOWN        10 modules/imgproc/perf/perf_warp.cpp enum{HALF_SIZE=0, UPSIDE_DOWN, REFLECTION_X, REFLECTION_BOTH};