copyright

pic 模拟程序！面向对象

Copyright (C) 1994-2002 The Regents of the University of California
(Regents). All Rights Reserved.

The code XOOPIC is referred to herein as the Software.

Permission to use, copy, modify, and distribute the Software and its
documentation for educational and research purposes, without fee and
without a signed licensing agreement, is hereby granted, provided: (1)
that the above copyright notice, this paragraph and the following two
paragraphs appear in all copies, modifications, and distributions; (2)
you will not charge more than the cost of duplication for copies of
the original or derivative versions of the Software; (3) any export of
the Software must be in compliance with U. S. export control
regulations.  For a license permitting for-profit distribution of the 
Software or its derivatives, contact The Office of Technology Licensing, 
UC Berkeley, 2150 Shattuck Avenue, Suite 510, Berkeley, CA 94720-1620,
[phone].

IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
REGENTS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  
REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF
ANY, PROVIDED HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION TO
PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

For custom modification and support of the Software, contact
Prof. J. P. Verboncoeur ([e-mail]).  If you use the
Software for publication or other form of communication, as a
courtesy, please use the following or similar citation:

J. P. Verboncoeur, A. B. Langdon and N. T. Gladd, Comp. Phys. Comm. 87, 
199 (1995). Code available via http://ptsg.eecs.berkeley.edu.