Summary representation of a graph.
Copyright (C) 2006-2012 Tamás Nepusz <email@example.com>
Pázmány Péter sétány 1/a, 1117 Budapest, Hungary
This program is free software; you can redistribute it and/or
it under the terms of the GNU General Public License as published
the Free Software Foundation; either version 2 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA