math: Avoid unneeded extra allocations for fixed-size data structures.

[pspp] / src / math / covariance.h

diff --git a/src/math/covariance.h b/src/math/covariance.h
index 18f1137a79cc6e82d04db5448c3130fcfb81efa6..5a7be0d68958e0bc2986f332284a4274ad0a3f1b 100644 (file)
--- a/src/math/covariance.h
+++ b/src/math/covariance.h
@@ -44,19 +44,13 @@ 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