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8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
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12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
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40 #if defined(_MSC_VER) || defined(__BORLANDC__)
43 #define int64 long long
48 @brief Implementation of operations of specific multiplication (FIX)
50 The functions in FIX.H have for goal to realize specific multiplication.
53 /** @defgroup FIX FIX - Implementation of operations of specific multiplication */
57 Multiply two fixed-precision rational numbers.
62 static INLINE int fix_mul(int a, int b)
64 int64 temp = (int64) a * (int64) b ;
66 return (int)(temp >> 13) ;