org.sat4j.pb.constraints.pb
Class MinWatchCardPB

java.lang.Object
  org.sat4j.minisat.constraints.card.MinWatchCard
      org.sat4j.pb.constraints.pb.MinWatchCardPB

All Implemented Interfaces:

Serializable, Constr, Propagatable, Undoable, PBConstr, IConstr

public final class MinWatchCardPB
extends MinWatchCard
implements PBConstr

See Also:

Serialized Form

Field Summary

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

ATLEAST, ATMOST, degree, watchCumul

Constructor Summary

MinWatchCardPB(ILits voc, IVecInt ps, boolean moreThan, int degree)

MinWatchCardPB(ILits voc, IVecInt ps, int degree)

Method Summary

void	assertConstraint(UnitPropagationListener s)
IVecInt	computeAnImpliedClause()
BigInteger	getCoef(int literal)
BigInteger[]	getCoefs()
BigInteger	getDegree()
boolean	learnt() D?
static PBConstr	minWatchCardPBNew(UnitPropagationListener s, ILits voc, IVecInt ps, boolean moreThan, int degree) Permet la cr?
static PBConstr	normalizedMinWatchCardPBNew(UnitPropagationListener s, ILits voc, IVecInt ps, int degree) Permet la cr?
void	register()
void	setLearnt()

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

calcReason, canBePropagatedMultipleTimes, computePropagation, computeWatches, equals, forwardActivity, get, getActivity, getLits, getVocabulary, hashCode, incActivity, linearisation, locked, minWatchCardNew, normalize, propagate, remove, rescaleBy, setActivity, simplify, size, toConstraint, toString, undo

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.sat4j.pb.constraints.pb.PBConstr

getLits, getVocabulary

Methods inherited from interface org.sat4j.minisat.core.Constr

calcReason, forwardActivity, incActivity, locked, remove, rescaleBy, setActivity, simplify

Methods inherited from interface org.sat4j.specs.IConstr

canBePropagatedMultipleTimes, get, getActivity, size

Constructor Detail

MinWatchCardPB

public MinWatchCardPB(ILits voc,
                      IVecInt ps,
                      boolean moreThan,
                      int degree)

MinWatchCardPB

public MinWatchCardPB(ILits voc,
                      IVecInt ps,
                      int degree)

Method Detail

getCoef

public BigInteger getCoef(int literal)

Specified by:

getCoef in interface PBConstr

getDegree

public BigInteger getDegree()

Specified by:

getDegree in interface PBConstr

getCoefs

public BigInteger[] getCoefs()

Specified by:

getCoefs in interface PBConstr

normalizedMinWatchCardPBNew

public static PBConstr normalizedMinWatchCardPBNew(UnitPropagationListener s,
                                                   ILits voc,
                                                   IVecInt ps,
                                                   int degree)
                                            throws ContradictionException

Permet la cr?ation de contrainte de cardinalit? ? observation minimale

Parameters:

s - outil pour la propagation des litt?raux

voc - vocabulaire utilis? par la contrainte

ps - liste des litt?raux de la nouvelle contrainte

degree - fournit le degr? de la contrainte

Returns:

une nouvelle clause si tout va bien, null sinon

Throws:

ContradictionException

minWatchCardPBNew

public static PBConstr minWatchCardPBNew(UnitPropagationListener s,
                                         ILits voc,
                                         IVecInt ps,
                                         boolean moreThan,
                                         int degree)
                                  throws ContradictionException

Permet la cr?ation de contrainte de cardinalit? ? observation minimale

Parameters:

s - outil pour la propagation des litt?raux

voc - vocabulaire utilis? par la contrainte

ps - liste des litt?raux de la nouvelle contrainte

moreThan - d?termine si c'est une sup?rieure ou ?gal ? l'origine

degree - fournit le degr? de la contrainte

Returns:

une nouvelle clause si tout va bien, null sinon

Throws:

ContradictionException

learnt

public boolean learnt()

D?termine si la contrainte est apprise

Specified by:

learnt in interface IConstr

Overrides:

learnt in class MinWatchCard

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 MinWatchCard

register

public void register()

Specified by:

register in interface Constr

Overrides:

register in class MinWatchCard

assertConstraint

public void assertConstraint(UnitPropagationListener s)

Specified by:

assertConstraint in interface Constr

Overrides:

assertConstraint in class MinWatchCard

computeAnImpliedClause

public IVecInt computeAnImpliedClause()

Specified by:

computeAnImpliedClause in interface PBConstr