ValueSeekGoal.java

package net.sf.openrocket.optimization.rocketoptimization.goals;

import net.sf.openrocket.optimization.rocketoptimization.OptimizationGoal;


/**
 * An optimization goal that seeks for a specific function value.
 * The method returns the Euclidic distance from the desired value.
 * 
 * @author Sampo Niskanen <sampo.niskanen@iki.fi>
 */
public class ValueSeekGoal implements OptimizationGoal {
	
	private final double goal;
	
	/**
	 * Sole constructor.
	 * 
	 * @param goal	the function value to optimize towards.
	 */
	public ValueSeekGoal(double goal) {
		this.goal = goal;
	}
	
	@Override
	public double getMinimizationParameter(double value) {
		return Math.abs(value - goal);
	}
	
}