Copyright 1998-1999 by Jan Verschelde

You are welcome to use, modify, or redistribute this software freely,
subject to the following restrictions:

1) There is absolutely no guarantee that the software is free of defects.
   Neither does the author accepts any responsibility for any consequences
   of using this software.

2) If the sources are modified for your own proper use, then alter as well
   the name of the routines and of the package.

3) This software may not be included or redistributed as part of any
   package to be sold for profit unless the author has given explicit
   written permission to do so.

The author greatly appreciates any comments from users, let it be bug
reports, questions, suggestions for improvement, or applications that
have been solved successfully.