hscale           4242 modules/imgproc/src/color.cpp     : dstcn(_dstcn), blueIdx(_blueIdx), hscale(6.f/_hrange) {}
hscale           4751 modules/imgproc/src/color.cpp     : dstcn(_dstcn), blueIdx(_blueIdx), hscale(6.f/_hrange) {}
hscale             91 modules/imgproc/src/opencl/cvtcolor.cl #define hscale 0