
   random number generator

   Copyright (c) Andreas Maier, 2000. All rights reserved.
   Andreas Maier <andi@cosy.sbg.ac.at>
   http://www.cosy.sbg.ac.at/~andi/

   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, and the entire permission notice in its entirety,
      including the disclaimer of warranties.
   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. The name of the author may not be used to endorse or promote
      products derived from this software without specific prior
      written permission.
  
   ALTERNATIVELY, this product may be distributed under the terms of
   the GNU Public License, in which case the provisions of the GPL are
   required INSTEAD OF the above restrictions.  (This clause is
   necessary due to a potential bad interaction between the GPL and
   the restrictions contained in a BSD-style copyright.)
  
   THIS SOFTWARE IS PROVIDED ``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.

   package stuff by Willi Burmeister <wib@cs.uni-kiel.de>

