/*
Copyright 2006 by Ankur Desai, Sean Luke, and George Mason University
Licensed under the Academic Free License version 3.0
See the file "LICENSE" for more information
*/
package sim.app.pso;
/**
@author Ankur Desai and Joey Harrison
*/
public class Rastrigin implements Evaluatable
{
private static final long serialVersionUID = 1;
public double calcFitness(double x, double y)
{
return (1000 - (20 + x*x - 10*Math.cos(2*Math.PI*x) + y*y - 10*Math.cos(2*Math.PI*y)));
}
}