Copyright (C) 2009-2011 Power System Engineering Research Center
Copyright (C) 2010-2011 Richard Lincoln
PYPOWER 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.
PYPOWER 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 PYPOWER. If not, see <http://www.gnu.org/licenses/>.