Orginal C implementation of the tt800 was published by M. Matsumoto
<matumoto@math.keio.ac.jp>. 

This Perl extension was written by Otmar Lendl (lendl@cosy.sbg.ac.at)
for the Perl Journal.

Copyright (c) 1997 by Otmar Lendl (Perl and XS code). All rights
reserved. This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.