#elif CHAN_BITS == 32
#define CHAN_TO_UBYTE(c) FLOAT_TO_UBYTE(c)
-#define CHAN_TO_USHORT(c) ((GLushort) (CLAMP((c), 0.0f, 1.0f) * 65535.0))
-#define CHAN_TO_SHORT(c) ((GLshort) (CLAMP((c), 0.0f, 1.0f) * 32767.0))
+#define CHAN_TO_USHORT(c) ((GLushort) (SATURATE((c)) * 65535.0))
+#define CHAN_TO_SHORT(c) ((GLshort) (SATURATE((c)) * 32767.0))
#define CHAN_TO_FLOAT(c) (c)
#define CLAMPED_FLOAT_TO_CHAN(c, f) c = (f)