/***********************************************************************
**
**  "wire4" is Copyright (c) 1991 by Steve R. Hollasch.
**
**  All rights reserved.  This software may be freely copied, modified
**  and redistributed, provided that this copyright notice is preserved
**  in all copies.  This software is provided "as is", without express
**  or implied warranty.  You may not include this software in a program
**  or other software product without also supplying the source, or
**  without informing the end-user that the source is available for no
**  extra charge.  If you modify this software, please include a notice
**  detailing the author, date and purpose of the modification.
**
***********************************************************************/