IntervalMetric.java

/*
	Copyright (c) 2009-2011
		Speech Group at Informatik 5, Univ. Erlangen-Nuremberg, GERMANY
		Korbinian Riedhammer
		Tobias Bocklet

	This file is part of the Java Speech Toolkit (JSTK).

	The JSTK is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	The JSTK is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with the JSTK. If not, see <http://www.gnu.org/licenses/>.
*/
package de.fau.cs.jstk.agmt;

/**
 * Interval metric. w(a,b) = (a-b)*(a-b)
 * 
 * @author sikoried
 */
public class IntervalMetric implements Metric {
	public double weight(double a, double b) {
		return (a-b)*(a-b);
	}
	
	public String toString() {
		return "w(a,b) = (a-b)*(a-b)";
	}
}