org.sat4j.pb.constraints.pb

Class AtLeastPB

java.lang.Object

org.sat4j.minisat.constraints.card.AtLeast

org.sat4j.pb.constraints.pb.AtLeastPB

All Implemented Interfaces:

Serializable, Undoable, PBConstr, Constr, IConstr, Propagatable

public final class AtLeastPB
extends AtLeast
implements PBConstr

See Also:

Serialized Form

Field Summary

Fields inherited from class org.sat4j.minisat.constraints.card.AtLeast

lits, maxUnsatisfied, voc

Fields inherited from interface org.sat4j.specs.Constr

TAUTOLOGY

Method Summary

Modifier and Type	Method and Description
void	assertConstraint(UnitPropagationListener s)
static AtLeastPB	atLeastNew(ILits voc, IVecInt ps, int n)
static PBConstr	atLeastNew(UnitPropagationListener s, ILits voc, IVecInt ps, int n)
IVecInt	computeAnImpliedClause()
String	dump()
BigInteger	getCoef(int literal)
BigInteger[]	getCoefs()
BigInteger	getDegree()
int[]	getLits()
BigInteger	getSumCoefs()
ILits	getVocabulary()
boolean	learnt() D?
void	setLearnt()

Methods inherited from class org.sat4j.minisat.constraints.card.AtLeast

assertConstraintIfNeeded, calcReason, calcReasonOnTheFly, canBePropagatedMultipleTimes, canBeSatisfiedByCountingLiterals, forwardActivity, get, getActivity, getAssertionLevel, incActivity, isSatisfied, locked, niceParameters, propagate, propagatePI, register, remove, requiredNumberOfSatisfiedLiterals, rescaleBy, setActivity, simplify, size, toConstraint, toString, toString, undo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.sat4j.specs.Constr

assertConstraintIfNeeded, calcReason, calcReasonOnTheFly, canBeSatisfiedByCountingLiterals, forwardActivity, getAssertionLevel, incActivity, isSatisfied, locked, register, remove, requiredNumberOfSatisfiedLiterals, rescaleBy, setActivity, simplify

Methods inherited from interface org.sat4j.specs.IConstr

canBePropagatedMultipleTimes, get, getActivity, size, toString

Method Detail

atLeastNew

public static PBConstr atLeastNew(UnitPropagationListener s,
                                  ILits voc,
                                  IVecInt ps,
                                  int n)
                           throws ContradictionException

Throws:

ContradictionException

atLeastNew

public static AtLeastPB atLeastNew(ILits voc,
                                   IVecInt ps,
                                   int n)

getCoef

public BigInteger getCoef(int literal)

Specified by:

getCoef in interface PBConstr

getDegree

public BigInteger getDegree()

Specified by:

getDegree in interface PBConstr

getVocabulary

public ILits getVocabulary()

Specified by:

getVocabulary in interface PBConstr

getLits

public int[] getLits()

Specified by:

getLits in interface PBConstr

getCoefs

public BigInteger[] getCoefs()

Specified by:

getCoefs in interface PBConstr

learnt

public boolean learnt()

D?termine si la contrainte est apprise

Specified by:

learnt in interface IConstr

Overrides:

learnt in class AtLeast

Returns:

true si la contrainte est apprise, false sinon

See Also:

IConstr.learnt()

setLearnt

public void setLearnt()

Specified by:

setLearnt in interface Constr

Overrides:

setLearnt in class AtLeast

assertConstraint

public void assertConstraint(UnitPropagationListener s)

Specified by:

assertConstraint in interface Constr

Overrides:

assertConstraint in class AtLeast

computeAnImpliedClause

public IVecInt computeAnImpliedClause()

Specified by:

computeAnImpliedClause in interface PBConstr

dump

public String dump()

Specified by:

dump in interface IConstr

Overrides:

dump in class AtLeast

getSumCoefs

public BigInteger getSumCoefs()

Specified by:

getSumCoefs in interface PBConstr