Liftpack: copyright, disclaimer, and creditsCopyright (C) 1995,1996,1997 Gabriel Fernandez, Senthil Periaswamy, Wim Sweldens.All rights reserved. Redistribution and use in source and binary forms, with or withoutmodification, are permitted provided that the following conditions aremet:    1. Redistributions of source code must retain the above copyright       notice, this list of conditions, the following disclaimer, and       the credits.    2. Redistributions in binary form must reproduce the above       copyright notice, this list of conditions, the following       disclaimer, and the credits in the documentation and/or other       materials provided with the distribution.    3. All modifications to the source code must be clearly marked as       such. Binary redistributions based on modified source code must       be clearly marked as modified versions in the documentation       and/or other materials provided with the distribution.    4. No fees may be charged for distribution of the codes, other       than a fee to cover the cost of the media and a reasonable       handling fee.    5. This code, and any derivative of this code, may not be used in       a commercial package without the prior explicit written       permission of the authors.This code is provided "as is", without any warranty of any kind,either expressed or implied, including but not limited to, any impliedwarranty of merchantibility or fitness for any purpose. In no eventwill the authors or any party who distributed the code be liable fordamages or for any claim(s) by any other party, including but notlimited to, any lost profits, lost data or data rendered inaccurate,losses sustained by third parties, or any other special, incidental orconsequential damages arising out of the use or inability to use theprogram, even if the possibility of such damages has been advisedagainst. The entire risk as to the quality, the performance, and thefitness of the program for any particular purpose lies with the partyusing the code.ANY USE OF THIS CODE CONSTITUTES ACCEPTANCE OF THE TERMS OF THECOPYRIGHT NOTICECredits: This software was written at the Departments of Mathematicsand Computer Science of the University of South Carolina. Most of thecoding was done by Gabriel Fernandez and Senthil Periaswamy under thedirection of Wim Sweldens. Special thanks to Peter Schroeder for manyuseful suggestions to improve the performance of the code.For more information please write e-mail to    fernande@cs.sc.edu, sp@cs.dartmouth.edu, or wim@research.att.comor surf the LiftPack's home page    http://www.cs.sc.edu/~fernande/liftpack/index.html