Copyright (c) 2001, Dr Brian Gladman

    LICENSE TERMS

    The free distribution and use of this software in both source and binary 
    form is allowed (with or without changes) provided that:

      1. distributions of this source code include the above copyright 
         notice, this list of conditions and the following disclaimer;

      2. distributions in binary form include the above copyright
         notice, this list of conditions and the following disclaimer
         in the documentation and/or other associated materials;

      3. the copyright holder's name is not used to endorse products 
         built using this software without specific written permission. 

    DISCLAIMER

    This software is provided 'as is' with no explicit or implied warranties
    in respect of its properties, including, but not limited to, correctness 
    and fitness for purpose.