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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  }