CL_FP_ROUND_TO_ZERO  288 3rdparty/include/opencl/1.2/CL/cl.h #define CL_FP_ROUND_TO_ZERO                         (1 << 3)
CL_FP_ROUND_TO_ZERO  457 modules/core/src/ocl.cpp #define CL_FP_ROUND_TO_ZERO                         (1 << 3)