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                  Graphsim Toolkit License
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/*************************************************************************\
  Copyright 2013 Marcelo Kallmann. All Rights Reserved.

  Permission to use, copy, modify and distribute this software and its
  documentation for educational, research and non-profit purposes, without
  fee, and without a written agreement is hereby granted, provided that
  the above copyright notice and the following three paragraphs appear
  in all copies. In addition, all written research papers or reports  
  describing results obtained with the help of this software should
  properly acknowledge its use.

  IN NO EVENT SHALL THE AUTHOR, OR ANY OF HIS CURRENT OR PAST EMPLOYERS,
  BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR
  CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE
  USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE AUTHOR HAS
  BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

  THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE AUTHOR
  HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, 
  ENHANCEMENTS, OR MODIFICATIONS.

  The author may be contacted via:

  US mail:             Marcelo Kallmann
                       School of Engineering
                       University of California, Merced
                       Merced CA 95343
  Email:               mkallmann@ucmerced.edu
\**************************************************************************/