HALF               52 3rdparty/openexr/IlmImf/ImfPixelType.h     HALF  = 1,		// half (16 bit floating point)
HALF               67 modules/imgcodecs/src/grfmt_exr.cpp #undef HALF
HALF               68 modules/imgcodecs/src/grfmt_exr.cpp #define HALF ((Imf::PixelType)1)