1 /*
2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2006 Daniel Le Berre
3 *
4 * Based on the original minisat specification from:
5 *
6 * An extensible SAT solver. Niklas E?n and Niklas S?rensson. Proceedings of the
7 * Sixth International Conference on Theory and Applications of Satisfiability
8 * Testing, LNCS 2919, pp 502-518, 2003.
9 *
10 * This library is free software; you can redistribute it and/or modify it under
11 * the terms of the GNU Lesser General Public License as published by the Free
12 * Software Foundation; either version 2.1 of the License, or (at your option)
13 * any later version.
14 *
15 * This library is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
18 * details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this library; if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25 package org.sat4j.minisat.constraints;
26
27 import java.math.BigInteger;
28
29 import org.sat4j.minisat.constraints.pb.IDataStructurePB;
30 import org.sat4j.minisat.constraints.pb.MaxWatchPb;
31 import org.sat4j.minisat.constraints.pb.PBConstr;
32 import org.sat4j.specs.ContradictionException;
33 import org.sat4j.specs.IVec;
34 import org.sat4j.specs.IVecInt;
35
36 public class PBMaxClauseCardConstrDataStructure extends
37 PuebloPBMinClauseCardConstrDataStructure {
38
39 /**
40 *
41 */
42 private static final long serialVersionUID = 1L;
43
44 @Override
45 protected PBConstr constructPB(IDataStructurePB mpb)
46 throws ContradictionException {
47 return MaxWatchPb.normalizedMaxWatchPbNew(solver, getVocabulary(), mpb);
48 }
49
50 @Override
51 protected PBConstr constructPB(int[] lits, BigInteger[] coefs, BigInteger degree)
52 throws ContradictionException {
53 return MaxWatchPb.normalizedMaxWatchPbNew(solver, getVocabulary(), lits, coefs, degree);
54 }
55
56 @Override
57 protected PBConstr constructLearntPB(IVecInt literals,
58 IVec<BigInteger> coefs, BigInteger degree) {
59 return MaxWatchPb.watchPbNew(getVocabulary(), literals, coefs, true,
60 degree);
61 }
62
63 }