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author | dan miller | 2007-10-18 08:29:49 +0000 |
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committer | dan miller | 2007-10-18 08:29:49 +0000 |
commit | cc07c64bdef46f4d25c2203e874f91ee94583f56 (patch) | |
tree | 004c68e8d8813ff1addfd9749e3dbdc6ff4432a9 /libraries/openjpeg-libsl/libopenjpeg/fix.h | |
parent | hmm... trying again to get everything committed (diff) | |
download | opensim-SC-cc07c64bdef46f4d25c2203e874f91ee94583f56.zip opensim-SC-cc07c64bdef46f4d25c2203e874f91ee94583f56.tar.gz opensim-SC-cc07c64bdef46f4d25c2203e874f91ee94583f56.tar.bz2 opensim-SC-cc07c64bdef46f4d25c2203e874f91ee94583f56.tar.xz |
one more time
Diffstat (limited to '')
-rw-r--r-- | libraries/openjpeg-libsl/libopenjpeg/fix.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/libraries/openjpeg-libsl/libopenjpeg/fix.h b/libraries/openjpeg-libsl/libopenjpeg/fix.h new file mode 100644 index 0000000..bcb2acb --- /dev/null +++ b/libraries/openjpeg-libsl/libopenjpeg/fix.h | |||
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1 | /* | ||
2 | * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium | ||
3 | * Copyright (c) 2002-2007, Professor Benoit Macq | ||
4 | * Copyright (c) 2001-2003, David Janssens | ||
5 | * Copyright (c) 2002-2003, Yannick Verschueren | ||
6 | * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe | ||
7 | * Copyright (c) 2005, Herve Drolon, FreeImage Team | ||
8 | * All rights reserved. | ||
9 | * | ||
10 | * Redistribution and use in source and binary forms, with or without | ||
11 | * modification, are permitted provided that the following conditions | ||
12 | * are met: | ||
13 | * 1. Redistributions of source code must retain the above copyright | ||
14 | * notice, this list of conditions and the following disclaimer. | ||
15 | * 2. Redistributions in binary form must reproduce the above copyright | ||
16 | * notice, this list of conditions and the following disclaimer in the | ||
17 | * documentation and/or other materials provided with the distribution. | ||
18 | * | ||
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' | ||
20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
23 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
29 | * POSSIBILITY OF SUCH DAMAGE. | ||
30 | */ | ||
31 | #ifndef __FIX_H | ||
32 | #define __FIX_H | ||
33 | |||
34 | #if defined(_MSC_VER) || defined(__BORLANDC__) | ||
35 | #define int64 __int64 | ||
36 | #else | ||
37 | #define int64 long long | ||
38 | #endif | ||
39 | |||
40 | /** | ||
41 | @file fix.h | ||
42 | @brief Implementation of operations of specific multiplication (FIX) | ||
43 | |||
44 | The functions in FIX.H have for goal to realize specific multiplication. | ||
45 | */ | ||
46 | |||
47 | /** @defgroup FIX FIX - Implementation of operations of specific multiplication */ | ||
48 | /*@{*/ | ||
49 | |||
50 | /** | ||
51 | Multiply two fixed-precision rational numbers. | ||
52 | @param a | ||
53 | @param b | ||
54 | @return Returns a * b | ||
55 | */ | ||
56 | static INLINE int fix_mul(int a, int b) { | ||
57 | int64 temp = (int64) a * (int64) b ; | ||
58 | temp += temp & 4096; | ||
59 | return (int) (temp >> 13) ; | ||
60 | } | ||
61 | |||
62 | /*@}*/ | ||
63 | |||
64 | #endif /* __FIX_H */ | ||