From 220a21bd01a1fcec4f39a005c496d24f85bbd0dd Mon Sep 17 00:00:00 2001 From: no_author Date: Tue, 8 Nov 2005 17:40:41 +0000 Subject: This commit was manufactured by cvs2svn to create tag 'start'. --- indexer_JPIP/fix.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 indexer_JPIP/fix.c (limited to 'indexer_JPIP/fix.c') diff --git a/indexer_JPIP/fix.c b/indexer_JPIP/fix.c new file mode 100644 index 00000000..9699bf6b --- /dev/null +++ b/indexer_JPIP/fix.c @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2001-2002, David Janssens + * Copyright (c) 2003, Yannick Verschueren + * Copyright (c) 2003, 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 + +/// +/// Multiply two fixed-precision rational numbers. +/// +int fix_mul(int a, int b) { + return (int)((int64)a*(int64)b>>13); +} -- cgit v1.2.3