Constness

[pspp-builds.git] / src / math / covariance.h

diff --git a/src/math/covariance.h b/src/math/covariance.h
index 3d29dcea8b0193babed4238ef64a988b7fbb92a3..fb59535718a5af952a8bd21a904a3213508f1203 100644 (file)
--- a/src/math/covariance.h
+++ b/src/math/covariance.h
@@ -27,12 +27,12 @@ struct covariance;
 struct variable;
 struct ccase ;
 
-struct covariance * covariance_1pass_create (size_t n_vars, const struct variable **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 *
-covariance_2pass_create (size_t n_vars, const struct variable **vars,
-                        size_t n_catvars, const struct variable **catvars, 
+covariance_2pass_create (size_t n_vars, const struct variable *const *vars,
+                        size_t n_catvars, const struct variable *const *catvars, 
                         const struct variable *wv, enum mv_class excl);
 
 void covariance_accumulate (struct covariance *, const struct ccase *);
@@ -46,4 +46,6 @@ 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);
+
 #endif