PACKMOL

Written by Leandro Martínez, José Mario Martínez and Ernesto Birgin, 2005-2011.
Copyright (c) 2009-2011, Leandro Martínez, José Mario Martínez, Ernesto Birgin

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.