X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fcovariance.h;h=7345097195a6b207e6c9cd2e5e8d317ce43de885;hb=e0bcf133ab9091a2fa5227d2767651d8ec58caef;hp=cb83e151409224d1bf1d982a259179b9e79f5f49;hpb=a258e53c63a08b0ec48aea8f03808eb651729424;p=pspp

diff --git a/src/math/covariance.h b/src/math/covariance.h
index cb83e15140..7345097195 100644
--- a/src/math/covariance.h
+++ b/src/math/covariance.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -18,10 +18,9 @@
 #ifndef COVARIANCE_H
 #define COVARIANCE_H
 
-#include <stddef.h>
-
-#include <data/missing-values.h>
 #include <gsl/gsl_matrix.h>
+#include <stddef.h>
+#include "data/missing-values.h"
 
 struct covariance;
 struct variable;
@@ -40,13 +39,24 @@ void covariance_accumulate (struct covariance *, const struct ccase *);
 void covariance_accumulate_pass1 (struct covariance *, const struct ccase *);
 void covariance_accumulate_pass2 (struct covariance *, const struct ccase *);
 
-const gsl_matrix * covariance_calculate (struct covariance *cov);
-const gsl_matrix * covariance_calculate_unnormalized (struct covariance *);
+gsl_matrix * covariance_calculate (struct covariance *);
+gsl_matrix * covariance_calculate_unnormalized (struct covariance *);
 
 void covariance_destroy (struct covariance *cov);
 
 const gsl_matrix *covariance_moments (const struct covariance *cov, int m);
 
 const struct categoricals * covariance_get_categoricals (const struct covariance *cov);
+size_t covariance_dim (const struct covariance * cov);
+
+struct tab_table ;
+void
+covariance_dump_enc (const struct covariance *cov, const struct ccase *c,
+		     struct tab_table *t);
+
+struct tab_table *
+covariance_dump_enc_header (const struct covariance *cov, int length);
+
+
 
 #endif