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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/bddtree.h,v 1.1 2003/05/05 10:57:56 aduret Exp $
FILE: tree.h
DESCR: Trees for BDD variables
AUTH: Jorn Lind
DATE: (C) march 1998
*************************************************************************/
#ifndef _TREE_H
#define _TREE_H
typedef struct s_BddTree
{
int first, last; /* First and last variable in this block */
int pos; /* Sifting position */
int *seq; /* Sequence of first...last in the current order */
char fixed; /* Are the sub-blocks fixed or may they be reordered */
int id; /* A sequential id number given by addblock */
struct s_BddTree *next, *prev;
struct s_BddTree *nextlevel;
} BddTree;
BddTree *bddtree_new(int);
void bddtree_del(BddTree *);
BddTree *bddtree_addrange(BddTree *, int, int, int, int);
void bddtree_print(FILE *, BddTree *, int);
#endif /* _TREE_H */
/* EOF */