COSTA: COSt and Termination Analyzer for Java Bytecode
    
    /*
 *  Copyright (C) 2009  E.Albert, P.Arenas, S.Genaim, G.Puebla, and D.Zanardini
 *                      https://costa.ls.fi.upm.es
 *
 *  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 3 of the License, or
 *  (at your option) any later version.
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package complexityClasses;

/**
 * A simple recursive function with N*log N complexity.
 * 
 * @author German Puebla
 *
 */
public class NLogN {
	public int funNLogN (int entry) {
		if (entry < 2) 
			return 1;
		else 
			return 
			aux(entry) + funNLogN (entry/2) + funNLogN (entry/2);
	}

	public static int aux (int entry) {
		if (entry <= 0) 
			return 1;
		else
			return entry + aux (entry - 1);
	}
}