f64g_sub 4274 ext/uvector/uvector.c r = f64g_sub(v0, v1, clamp); f64g_sub 4289 ext/uvector/uvector.c r = f64g_sub(v0, v1, clamp); f64g_sub 4303 ext/uvector/uvector.c r = f64g_sub(v0, v1, clamp);