X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fcovariance.h;h=a52cfced31ae22b8109b9c9a5f29205c1fc13fd1;hb=da6ac7ebe47553c89c7d06592770a49fa11b3a32;hp=ed5b3ee73426951d0084eb5df20f8492db541cb7;hpb=a3dd22c0ed3bcf0d3cf5cf3e009c215eeb35b567;p=pspp

diff --git a/src/math/covariance.h b/src/math/covariance.h
index ed5b3ee734..a52cfced31 100644
--- a/src/math/covariance.h
+++ b/src/math/covariance.h
@@ -27,7 +27,7 @@ struct variable;
 struct ccase ;
 struct categoricals;
 
-struct covariance * covariance_1pass_create (size_t n_vars, const struct variable *const *vars, 
+struct covariance * covariance_1pass_create (size_t n_vars, const struct variable *const *vars,
 					     const struct variable *wv, enum mv_class excl);
 
 struct covariance *
@@ -40,7 +40,7 @@ void covariance_accumulate_pass1 (struct covariance *, const struct ccase *);
 void covariance_accumulate_pass2 (struct covariance *, const struct ccase *);
 
 gsl_matrix * covariance_calculate (struct covariance *);
-gsl_matrix * covariance_calculate_unnormalized (struct covariance *);
+const gsl_matrix * covariance_calculate_unnormalized (struct covariance *);
 
 void covariance_destroy (struct covariance *cov);
 
@@ -49,4 +49,14 @@ 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