All program code and documentation in this directory iscopyright (c) 1995, 1996, 2000, 2001 by Radford M. NealPermission is granted for anyone to copy, use, or modify theseprograms and documents for purposes of research or education, provided this copyright notice is retained, and note is made of any changes that have been made.These programs and documents are distributed without any warranty,express or implied.  As the programs were written for researchpurposes only, they have not been tested to the degree that would be advisable in any important application.  All use of theseprograms is entirely at the user's own risk.