Copyright (c) 1993, 1994 Christopher G. Demetriou
All rights reserved.

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are 
met:

   1. Redistributions of source code must retain the above copyright 
   notice, this list of conditions and the following disclaimer.
   2. Redistributions in binary form must reproduce the above 
   copyright notice, this list of conditions and the following 
   disclaimer in the documentation and/or other materials provided 
   with the distribution.
   3. All advertising materials mentioning features or use of this 
   software must display the following acknowledgement: This 
   product includes software developed by Christopher G. 
   Demetriou.
   4. The name of the author may not be used to endorse or 
   promote products derived from this software without specific 
   prior written permission
            
   THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY 
   EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
   THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
   OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.