org.jgrapht.util.MathUtil Maven / Gradle / Ivy
/* ==========================================
* JGraphT : a free Java graph-theory library
* ==========================================
*
* Project Info: http://jgrapht.sourceforge.net/
* Project Creator: Barak Naveh (http://sourceforge.net/users/barak_naveh)
*
* (C) Copyright 2003-2008, by Barak Naveh and Contributors.
*
* This program and the accompanying materials are dual-licensed under
* either
*
* (a) the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation, or (at your option) any
* later version.
*
* or (per the licensee's choosing)
*
* (b) the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation.
*/
/* -----------------
* MathUtil.java
* -----------------
* (C) Copyright 2005-2008, by Assaf Lehr and Contributors.
*
* Original Author: Assaf Lehr
* Contributor(s): -
*
* $Id$
*
* Changes
* -------
*/
package org.jgrapht.util;
/**
* Math Utilities. Currently contains the following:
* factorial(int N) - caclulate the factorial of N (aka N!)
*
* @author Assaf
* @since May 30, 2005
*/
public class MathUtil
{
public static long factorial(int N)
{
long multi = 1;
for (int i = 1; i <= N; i++) {
multi = multi * i;
}
return multi;
}
}
// End MathUtil.java