round              42 src/lib/color_helpers.c    vv = (int)round(vf);
round              53 src/lib/color_helpers.c    p = (int)round(vf * (1.0 - s));
round              54 src/lib/color_helpers.c    q = (int)round(vf * (1.0 - (s * f)));
round              55 src/lib/color_helpers.c    t = (int)round(vf * (1.0 - s * (1.0 - f)));