New module: psppire_data_sheet.c

[pspp] / src / math / covariance.h

diff --git a/src/math/covariance.h b/src/math/covariance.h
index 87afd8b28210469f66fb9eb5edff9bb33af72235..a52cfced31ae22b8109b9c9a5f29205c1fc13fd1 100644 (file)
--- 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 *
@@ -40,16 +40,23 @@ 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);
-struct interaction;
-void covariance_get_interaction_indices (const struct covariance *cov, const struct interaction **iacts);
-
-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