check_findPosFirstLast 2689 source/test/pixelharness.cpp         if (!check_findPosFirstLast(ref.findPosFirstLast, opt.findPosFirstLast))
check_findPosFirstLast  121 source/test/pixelharness.h     bool check_findPosFirstLast(findPosFirstLast_t ref, findPosFirstLast_t opt);