YfromRGBint      1768 contrib/libtests/pngstest.c    out->r = out->g = out->b = sRGB(YfromRGBint(in->r, in->g, in->b)/65535);
YfromRGBint      1786 contrib/libtests/pngstest.c       out->r = out->g = out->b = sRGB(YfromRGBint(in->r, in->g, in->b)/in->a);
YfromRGBint      1884 contrib/libtests/pngstest.c    out->r = out->g = out->b = u16d(YfromRGBint(in->r, in->g, in->b));
YfromRGBint      1893 contrib/libtests/pngstest.c    out->r = out->g = out->b = u16d(YfromRGBint(in->r, in->g, in->b));