package ac.essex.ooechs.imaging.commons.util; 
 
/** 
 * <p/> 
 * This program 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 2 
 * of the License, or (at your option) any later version, 
 * provided that any use properly credits the author. 
 * This program 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 at http://www.gnu.org 
 * </p> 
 * 
 * @author Olly Oechsle, University of Essex, Date: 22-Jan-2007 
 * @version 1.0 
 */ 
public class Pythag { 
 
    public static double distance(double dx, double dy) { 
 
        return Math.sqrt((dx * dx) + (dy * dy)); 
 
    } 
 
}