/*
- * Copyright (c) 2001-2002, David Janssens
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herv� Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "fix.h"
-#ifdef DAVID_WIN32
+#ifdef WIN32
#define int64 __int64
#else
#define int64 long long
#endif
-/*
- * Multiply two fixed-precision rational numbers.
- */
-int fix_mul(int a, int b)
-{
- return (int) ((int64) a * (int64) b >> 13);
+int fix_mul(int a, int b) {
+ int64 temp = (int64) a * (int64) b >> 12;
+ return (int) ((temp >> 1) + (temp & 1)) ;
}
+
+
+