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Alexandre Duret-Lutz 2003-05-05 10:57:53 +00:00
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/*========================================================================
Copyright (C) 1996-2002 by Jorn Lind-Nielsen
All rights reserved
Permission is hereby granted, without written agreement and without
license or royalty fees, to use, reproduce, prepare derivative
works, distribute, and display this software and its documentation
for any purpose, provided that (1) the above copyright notice and
the following two paragraphs appear in all copies of the source code
and (2) redistributions, including without limitation binaries,
reproduce these notices in the supporting documentation. Substantial
modifications to this software may be copyrighted by their authors
and need not follow the licensing terms described here, provided
that the new terms are clearly indicated in all files where they apply.
IN NO EVENT SHALL JORN LIND-NIELSEN, OR DISTRIBUTORS OF THIS
SOFTWARE BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS
SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE AUTHORS OR ANY OF THE
ABOVE PARTIES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
JORN LIND-NIELSEN SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE NO
OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
MODIFICATIONS.
========================================================================*/
/*************************************************************************
$Header: /Volumes/CVS/repository/spot/spot/buddy/src/cache.h,v 1.1 2003/05/05 10:57:56 aduret Exp $
FILE: cache.h
DESCR: Cache class for caching apply/exist etc. results
AUTH: Jorn Lind
DATE: (C) june 1997
*************************************************************************/
#ifndef _CACHE_H
#define _CACHE_H
typedef struct
{
union
{
double dres;
int res;
} r;
int a,b,c;
} BddCacheData;
typedef struct
{
BddCacheData *table;
int tablesize;
} BddCache;
extern int BddCache_init(BddCache *, int);
extern void BddCache_done(BddCache *);
extern int BddCache_resize(BddCache *, int);
extern void BddCache_reset(BddCache *);
#define BddCache_lookup(cache, hash) (&(cache)->table[hash % (cache)->tablesize])
#endif /* _CACHE_H */
/* EOF */