/*
- * 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"
-#include <math.h> /*Add Antonin : multbug1*/
#ifdef WIN32
#define int64 __int64
#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);
-}*/
-
-
-/*Mod Antonin : multbug1*/
-/*
-int fix_mul(int a, int b)
-{
- double tmp= (double) ((int64) a * (int64) b);
- int64 v = (int64) ((fabs(tmp/8192.0)>=floor(fabs(tmp/8192.0))+0.5)?fabs(tmp/8192.0)+1.0:fabs(tmp/8192.0));
- v = (tmp<0)?-v:v;
- return (int) v;
-}
-*/
-/*doM*/
-
-int fix_mul(int a, int b) /* Luke Lee optimized : 11/16/2004*/
-{
+int fix_mul(int a, int b) {
int64 temp = (int64) a * (int64) b >> 12;
return (int) ((temp >> 1) + (temp & 1)) ;
}
+
+