-#include "mmath.h"
-/* Do not reference mtypes.h from this file.
- */
-
-
-#if CHAN_BITS == 8
-
-#define BYTE_TO_CHAN(b) ((b) < 0 ? 0 : (GLchan) (b))
-#define UBYTE_TO_CHAN(b) (b)
-#define SHORT_TO_CHAN(s) ((s) < 0 ? 0 : (GLchan) ((s) >> 7))
-#define USHORT_TO_CHAN(s) ((GLchan) ((s) >> 8))
-#define INT_TO_CHAN(i) ((i) < 0 ? 0 : (GLchan) ((i) >> 23))
-#define UINT_TO_CHAN(i) ((GLchan) ((i) >> 24))
-
-#define CHAN_TO_FLOAT(c) UBYTE_TO_FLOAT(c)