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.pb;
26
27 import java.math.BigInteger;
28
29 import org.sat4j.minisat.core.VarActivityListener;
30 import org.sat4j.specs.IVec;
31 import org.sat4j.specs.IVecInt;
32
33 public interface IDataStructurePB {
34 BigInteger saturation();
35
36 BigInteger cuttingPlane(PBConstr cpb, BigInteger deg,
37 BigInteger[] reducedCoefs, VarActivityListener val);
38
39 BigInteger cuttingPlane(PBConstr cpb, BigInteger degreeCons,
40 BigInteger[] reducedCoefs, BigInteger coefMult,
41 VarActivityListener val);
42
43 BigInteger cuttingPlane(int[] lits, BigInteger[] reducedCoefs,
44 BigInteger deg);
45
46 BigInteger cuttingPlane(int lits[], BigInteger[] reducedCoefs,
47 BigInteger degreeCons, BigInteger coefMult);
48
49 void buildConstraintFromConflict(IVecInt resLits, IVec<BigInteger> resCoefs);
50
51 public void buildConstraintFromMapPb(int[] resLits, BigInteger[] resCoefs);
52
53 public BigInteger getDegree();
54
55 public int size();
56
57 }