X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2Fgdcmopenjpeg%2Flibopenjpeg%2Ffix.c;h=69081a3d0f6e168b848ac3b6d601c5a857d4d572;hb=bef3bec50f674640783aed3d3c4cbcdd3fb919d7;hp=81cc5f1fede3b2a6c7fbeb0e44d6fbea3ad46d08;hpb=059176a7b9e8b342a29847e3d1ac9a2d5be763c4;p=gdcm.git diff --git a/src/gdcmopenjpeg/libopenjpeg/fix.c b/src/gdcmopenjpeg/libopenjpeg/fix.c index 81cc5f1f..69081a3d 100644 --- a/src/gdcmopenjpeg/libopenjpeg/fix.c +++ b/src/gdcmopenjpeg/libopenjpeg/fix.c @@ -1,63 +1,45 @@ -/* - * Copyright (c) 2001-2002, David Janssens - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "fix.h" -#include /*Add Antonin : multbug1*/ - -#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); -}*/ - - -/*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*/ -{ - int64 temp = (int64) a * (int64) b >> 12; - return (int) ((temp >> 1) + (temp & 1)) ; -} - +/* + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe + * Copyright (c) 2005, Hervé 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 + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "fix.h" + +#ifdef WIN32 +#define int64 __int64 +#else +#define int64 long long +#endif + +int fix_mul(int a, int b) { + int64 temp = (int64) a * (int64) b >> 12; + return (int) ((temp >> 1) + (temp & 1)) ; +} + + +