/* Copyright (C) 1991 R Durbin and J Thierry-Mieg. All rights reserved.
 * Written by Jean Thierry Mieg and Richard Durbin, 1990, 1991.
 * Redistribution and use in source and binary forms are freely
 * permitted provided that the above copyright notice and 
 * attribution and date of work and this paragraph are duplicated 
 * in all such forms and that neither this software nor software
 * based in whole or in part on this software is sold for profit.
 * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE.
 */
