check.h

剑桥大学David J.C. MacKay 个人网站公布的2006年的代码

/* CHECK.H - Interface to procedure for computing parity checks, etc. */

/* Copyright (c) 2001 by Radford M. Neal 
 *
 * Permission is granted for anyone to copy, use, modify, or distribute this
 * program and accompanying programs and documents for any purpose, provided 
 * this copyright notice is retained and prominently displayed, along with
 * a note saying that the original programs are available from Radford Neal's
 * web page, and note is made of any changes made to the programs.  The
 * programs and documents are distributed without any warranty, express or
 * implied.  As the programs were written for research purposes only, they have
 * not been tested to the degree that would be advisable in any important
 * application.  All use of these programs is entirely at the user's own risk.
 */

int check (mod2sparse *, char *, char *);

double changed (double *, char *, int);

double expected_parity_errors (mod2sparse *, double *);

double loglikelihood (double *, char *, int);
double expected_loglikelihood (double *, double *, int);

double entropy (double *, int);