  Author:
  -------
  Marc Braham <m.braham@ulg.ac.be>

  
  License:
  --------

  This technology is protected by a pending patent.

  Permission to use this code without payment of fee is granted 
  for nonprofit educational and research purposes only.

  This work may not be copied or reproduced in whole or in part for any 
  purpose. 

  Copying, reproduction, or republishing for any purpose shall require 
  a license. Please contact the author in such cases.
  All the code is provided without any guarantee.
