minicp.engine.constraints

Class IsLessOrEqualVar

java.lang.Object

minicp.engine.core.AbstractConstraint

minicp.engine.constraints.IsLessOrEqualVar

All Implemented Interfaces:

Constraint

public class IsLessOrEqualVar
extends AbstractConstraint

Reified is less or equal constraint b <=> x <= y.

Constructor Summary

Constructors

Constructor and Description
IsLessOrEqualVar(BoolVar b, IntVar x, IntVar y) Creates a reified is less or equal constraint b <=> x <= y.

Method Summary

Modifier and Type	Method and Description
void	post() Initializes the constraint when it is posted to the solver.
void	propagate() Propagates the constraint.

Methods inherited from class minicp.engine.core.AbstractConstraint

getSolver, isActive, isScheduled, setActive, setScheduled

Methods inherited from class java.lang.Object

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

Constructor Detail

IsLessOrEqualVar

public IsLessOrEqualVar(BoolVar b,
                        IntVar x,
                        IntVar y)

Creates a reified is less or equal constraint b <=> x <= y.

Parameters:

b - the truth value that will be set to true if x <= y, false otherwise

x - left hand side of less or equal operator

y - right hand side of less or equal operator

Method Detail

post

public void post()

Description copied from interface: Constraint

Initializes the constraint when it is posted to the solver.

Specified by:

post in interface Constraint

Overrides:

post in class AbstractConstraint

propagate

public void propagate()

Description copied from interface: Constraint

Propagates the constraint.

Specified by:

propagate in interface Constraint

Overrides:

propagate in class AbstractConstraint