Copyright (C) 1995-1997 Marlis Hochbruck, Christian Lubich, Hubert
Selhofer. All rights reserved.
                                                                  
C code written by Mathias Froehlich.

All rights reserved.

Permission to  use, copy, modify,  and  distribute this software  and its
documentation for academic   use, but restricting commercial firms   from
exploiting    our knowhow for  their   benefit, without  fee, and without
written  agreement is hereby granted, provided   that the above copyright
notice  and the following  two  paragraphs appear in   all copies of this
software.

In no event shall the authors or the University of Tuebingen be liable to
any  party for direct, indirect,   special, incidental, or  consequential
damages arising  out of the use  of this  software and its documentation,
even if the authors  or the University of  Tuebingen have been advised of
the possibility of such damage.

The  authors and the   University of Tuebingen specifically  disclaim any
warranties, including,  but not  limited  to, the  implied warranties  of
merchantability and fitness  for   a  particular purpose.  The   software
provided  hereunder  is on  an "as  is"  basis, and   the authors and the
University  of Tuebingen   have no  obligation  to   provide maintenance,
support, updates, enhancements, or modifications.

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     ANY USE OF THIS CODE CONSTITUTES ACCEPTANCE OF THE TERMS OF THE
			    COPYRIGHT NOTICE
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DISCLAIMER: This code is not suited for children under the age of three!