/* ===========================================================================
 
                            PUBLIC DOMAIN NOTICE
 
  Unless otherwise indicated, this work was written by Warren R. Gish.
  Portions of the work were developed by the author while a United States
  Government employee under the terms of the United States Copyright Act and
  thus cannot be copyrighted.  Modifications to the prior work, as well as
  entirely new portions of this software, were developed with subsequent
  support from the Washington University School of Medicine, St. Louis, MO, and
  are hereby placed in the public domain.  This software is freely available
  to the public for use without restriction.

  Although all reasonable efforts have been taken to ensure the accuracy and
  reliability of the software and data, the author does not and cannot warrant
  the performance or results that may be obtained by using this software or
  data.  The author disclaims all warranties, express or implied, including
  warranties of performance, merchantability or fitness for any particular
  purpose.

  Please cite the author in any work or product based on this material.

===========================================================================*/