minicp.engine.constraints

Class Absolute

java.lang.Object

minicp.engine.core.AbstractConstraint

minicp.engine.constraints.Absolute

All Implemented Interfaces:

Constraint

public class Absolute
extends AbstractConstraint

Absolute value constraint

Constructor Summary

Constructors

Constructor and Description
Absolute(IntVar x, IntVar y) Creates the absolute value constraint y = |x|.

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

Absolute

public Absolute(IntVar x,
                IntVar y)

Creates the absolute value constraint y = |x|.

Parameters:

x - the input variable such that its absolut value is equal to y

y - the variable that represents the absolute value of x

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