X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fcovariance.h;h=5a7be0d68958e0bc2986f332284a4274ad0a3f1b;hb=6bad8bb980d4219d57389cde20dd2e77be2236c4;hp=7345097195a6b207e6c9cd2e5e8d317ce43de885;hpb=ce4f35416abc94c3c4d39312da42b9fff0788073;p=pspp

diff --git a/src/math/covariance.h b/src/math/covariance.h
index 7345097195..5a7be0d689 100644
--- a/src/math/covariance.h
+++ b/src/math/covariance.h
@@ -27,36 +27,30 @@ struct variable;
 struct ccase ;
 struct categoricals;
 
-struct covariance * covariance_1pass_create (size_t n_vars, const struct variable *const *vars, 
-					     const struct variable *wv, enum mv_class excl);
+struct covariance * covariance_1pass_create (size_t n_vars, const struct variable *const *vars,
+					     const struct variable *wv, enum mv_class excl, bool centered);
 
 struct covariance *
 covariance_2pass_create (size_t n_vars, const struct variable *const *vars,
 			 struct categoricals *cats,
-			 const struct variable *wv, enum mv_class excl);
+			 const struct variable *wv, enum mv_class excl, bool centered);
 
 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 *);
 
 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);
 
-const gsl_matrix *covariance_moments (const struct covariance *cov, int m);
+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);
-
-
+struct pivot_table *covariance_dump_enc_header (const struct covariance *);
+void covariance_dump_enc (const struct covariance *, const struct ccase *,
+                          struct pivot_table *);
 
 #endif