Copyright (c) 1995-1998
The University of Utah and the Regents of the University of California
All Rights Reserved

Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that 
(1) The above copyright notice and the following two paragraphs
appear in all copies of the source code and (2) redistributions
including binaries reproduces these notices in the supporting
documentation.   Substantial modifications to this software may be
copyrighted by their authors and need not follow the licensing terms
described here, provided that the new terms are clearly indicated in
all files where they apply.

IN NO EVENT SHALL THE AUTHOR, THE UNIVERSITY OF CALIFORNIA, THE 
UNIVERSITY OF UTAH OR DISTRIBUTORS OF THIS SOFTWARE 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 ANY OF THE ABOVE PARTIES HAVE BEEN ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.

THE AUTHOR, THE UNIVERSITY OF CALIFORNIA, AND THE UNIVERSITY OF UTAH
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 DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE MAINTENANCE,
SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
