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
26 package org.sat4j.minisat.constraints;
27
28 import java.math.BigInteger;
29
30 import org.sat4j.minisat.constraints.pb.MinWatchPb;
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 /**
37 * @author leberre To change the template for this generated type comment go to
38 * Window - Preferences - Java - Code Generation - Code and Comments
39 */
40 public class PBMinDataStructure extends AbstractPBDataStructureFactory {
41
42 private static final long serialVersionUID = 1L;
43
44 /*
45 * (non-Javadoc)
46 *
47 * @see org.sat4j.minisat.constraints.AbstractPBDataStructureFactory#constraintFactory(org.sat4j.specs.VecInt,
48 * org.sat4j.specs.VecInt, boolean, int)
49 */
50 @Override
51 protected PBConstr constraintFactory(IVecInt literals, IVecInt coefs,
52 boolean moreThan, int degree) throws ContradictionException {
53 return MinWatchPb.minWatchPbNew(solver, getVocabulary(), literals,
54 coefs, moreThan, degree);
55 }
56
57 /*
58 * (non-Javadoc)
59 *
60 * @see org.sat4j.minisat.constraints.AbstractPBDataStructureFactory#constraintFactory(org.sat4j.specs.VecInt,
61 * org.sat4j.specs.VecInt, int)
62 */
63 @Override
64 protected PBConstr constraintFactory(IVecInt literals, IVecInt coefs,
65 int degree) {
66 return MinWatchPb.watchPbNew(getVocabulary(), literals, coefs, true,
67 degree);
68 }
69
70 /*
71 * (non-Javadoc)
72 *
73 * @see org.sat4j.minisat.constraints.AbstractPBDataStructureFactory#constraintFactory(org.sat4j.specs.VecInt,
74 * org.sat4j.specs.VecInt, boolean, int)
75 */
76 @Override
77 protected PBConstr constraintFactory(IVecInt literals,
78 IVec<BigInteger> coefs, boolean moreThan, BigInteger degree)
79 throws ContradictionException {
80 return MinWatchPb.minWatchPbNew(solver, getVocabulary(), literals,
81 coefs, moreThan, degree);
82 }
83
84 /*
85 * (non-Javadoc)
86 *
87 * @see org.sat4j.minisat.constraints.AbstractPBDataStructureFactory#constraintFactory(org.sat4j.specs.VecInt,
88 * org.sat4j.specs.VecInt, int)
89 */
90 @Override
91 protected PBConstr constraintFactory(IVecInt literals,
92 IVec<BigInteger> coefs, BigInteger degree) {
93 return MinWatchPb.watchPbNew(getVocabulary(), literals, coefs, true,
94 degree);
95 }
96
97 }