This software is Copyright (C) 2006-2011
Carlos M. Fonseca, Manuel López-Ibáñez, Luís Paquete and Andreia P. Guerreiro.

This program is free software (software libre); 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. As a particular
exception, the files hv.c and hv.h may also be redistributed and/or
modified under the terms of the GNU Lesser General Public License
(LGPL) 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.

IMPORTANT NOTE: Please be aware that the fact that this program is
released as Free Software does not excuse you from scientific
propriety, which obligates you to give appropriate credit! If you
write a scientific paper describing research that made substantive use
of this program, it is your obligation as a scientist to (a) mention
the fashion in which this software was used in the Methods section;
(b) mention the algorithm in the References section. The appropriate
citation is:

 Carlos M. Fonseca, Luís Paquete, and Manuel López-Ibáñez. An improved
 dimension-sweep algorithm for the hypervolume indicator. In IEEE
 Congress on Evolutionary Computation, pages 1157-1163, Vancouver,
 Canada, July 2006.