1 /******************************************************************************* 2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2008 Daniel Le Berre 3 * 4 * All rights reserved. This program and the accompanying materials 5 * are made available under the terms of the Eclipse Public License v1.0 6 * which accompanies this distribution, and is available at 7 * http://www.eclipse.org/legal/epl-v10.html 8 * 9 * Alternatively, the contents of this file may be used under the terms of 10 * either the GNU Lesser General Public License Version 2.1 or later (the 11 * "LGPL"), in which case the provisions of the LGPL are applicable instead 12 * of those above. If you wish to allow use of your version of this file only 13 * under the terms of the LGPL, and not to allow others to use your version of 14 * this file under the terms of the EPL, indicate your decision by deleting 15 * the provisions above and replace them with the notice and other provisions 16 * required by the LGPL. If you do not delete the provisions above, a recipient 17 * may use your version of this file under the terms of the EPL or the LGPL. 18 * 19 * Based on the pseudo boolean algorithms described in: 20 * A fast pseudo-Boolean constraint solver Chai, D.; Kuehlmann, A. 21 * Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on 22 * Volume 24, Issue 3, March 2005 Page(s): 305 - 317 23 * 24 * and 25 * Heidi E. Dixon, 2004. Automating Pseudo-Boolean Inference within a DPLL 26 * Framework. Ph.D. Dissertation, University of Oregon. 27 *******************************************************************************/ 28 package org.sat4j.pb.constraints.pb; 29 30 import java.math.BigInteger; 31 32 import org.sat4j.minisat.core.VarActivityListener; 33 import org.sat4j.specs.IVec; 34 import org.sat4j.specs.IVecInt; 35 36 public interface IDataStructurePB { 37 BigInteger saturation(); 38 39 BigInteger cuttingPlane(PBConstr cpb, BigInteger deg, 40 BigInteger[] reducedCoefs, VarActivityListener val); 41 42 BigInteger cuttingPlane(PBConstr cpb, BigInteger degreeCons, 43 BigInteger[] reducedCoefs, BigInteger coefMult, 44 VarActivityListener val); 45 46 BigInteger cuttingPlane(int[] lits, BigInteger[] reducedCoefs, 47 BigInteger deg); 48 49 BigInteger cuttingPlane(int lits[], BigInteger[] reducedCoefs, 50 BigInteger degreeCons, BigInteger coefMult); 51 52 void buildConstraintFromConflict(IVecInt resLits, IVec<BigInteger> resCoefs); 53 54 public void buildConstraintFromMapPb(int[] resLits, BigInteger[] resCoefs); 55 56 public BigInteger getDegree(); 57 58 public int size(); 59 60 public boolean isCardinality(); 61 62 public int getAssertiveLiteral(); 63 64 }