X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fcovariance.h;h=18f1137a79cc6e82d04db5448c3130fcfb81efa6;hb=ed7a8820e2f7797fb61a9a5628c18169dcfd3513;hp=0231f7989a0b07b39e5cf1e4c93492736ee66374;hpb=ec6f62cd6df384f06c1de6ed8a02dbeceafcd633;p=pspp

diff --git a/src/math/covariance.h b/src/math/covariance.h
index 0231f7989a..18f1137a79 100644
--- a/src/math/covariance.h
+++ b/src/math/covariance.h
@@ -27,27 +27,36 @@ 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);
 
 const struct categoricals * covariance_get_categoricals (const struct covariance *cov);
-
-void covariance_get_var_indices (const struct covariance *cov, const struct variable **vars);
 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