u32g_sub         3966 ext/uvector/uvector.c                 r = u32g_sub(v0, v1, clamp);
u32g_sub         3981 ext/uvector/uvector.c                 r = u32g_sub(v0, v1, clamp);
u32g_sub         3995 ext/uvector/uvector.c                 r = u32g_sub(v0, v1, clamp);