aima.core.environment.nqueens

Class AttackingPairsHeuristic

java.lang.Object

aima.core.environment.nqueens.AttackingPairsHeuristic

All Implemented Interfaces:

HeuristicFunction

public class AttackingPairsHeuristic
extends java.lang.Object
implements HeuristicFunction

Estimates the distance to goal by the number of attacking pairs of queens on the board.

Author:

R. Lunde

Constructor Summary

Constructors

Constructor and Description
AttackingPairsHeuristic()

Method Summary

Modifier and Type	Method and Description
double	h(java.lang.Object state)

Methods inherited from class java.lang.Object

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

Constructor Detail

AttackingPairsHeuristic

public AttackingPairsHeuristic()

Method Detail

h

public double h(java.lang.Object state)

Specified by:

h in interface HeuristicFunction