interaction.c: Introduced interaction_variable and interaction_value

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

diff --git a/src/math/covariance-matrix.h b/src/math/covariance-matrix.h
index 33a5d750533be2526ed6f23042ee2512da2dc057..b692e7e8003e4ee852a09a22c8acda31864c4901 100644 (file)
--- a/src/math/covariance-matrix.h
+++ b/src/math/covariance-matrix.h
@@ -22,6 +22,7 @@
 #define COVARIANCE_MATRIX_H
 
 #include <math/design-matrix.h>
+#include <math/interaction.h>
 
 struct moments1;
 struct ccase;
@@ -53,6 +54,6 @@ struct covariance_matrix *covariance_matrix_init (size_t,
                                                  int, int, enum mv_class);
 void covariance_matrix_free (struct covariance_matrix *);
 void covariance_matrix_accumulate (struct covariance_matrix *,
-                                  const struct ccase *);
+                                  const struct ccase *, void **, size_t);
 struct design_matrix *covariance_to_design (const struct covariance_matrix *);
 #endif