#define DCTSIZE 8
#define DCTSIZE_S "8"
-#define FIX(x,s) ((int) ((x) * (1 << s) + 0.5) & 0xffff)
-#define C64(x) ((uint64_t)((x) | (x) << 16)) <<32 | (uint64_t)(x) | (uint64_t)(x) << 16
-#define FIX64(x,s) C64(FIX(x,s))
+#define FIX(x,s) ((x) * (1 << s) + 0.5)
#define MULTIPLY16H(x,k) (((x) * (k)) >> 16)
#define THRESHOLD(r,x,t) \