/*
I retain copyright in this code but I encourage its free use provided
that I don't carry any responsibility for the results. I am especially
happy to see it used in free and open source software. If you do use
it I would appreciate an acknowledgement of its origin in the code or
the product that results and I would also appreciate knowing a liitle
about the use to which it is being put.

Dr B. R. Gladman <brg@gladman.uk.net> 1st June 2001.
*/
