X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fcovariance-matrix.h;h=24ce791cf5f74da3bb27ae48b11c4a9591a9f2b8;hb=719074919206c376cf4b0971213caa173af22c89;hp=33a5d750533be2526ed6f23042ee2512da2dc057;hpb=a1efcf97ca2f75f4be6a0389ff2372c03ed2d4e1;p=pspp

diff --git a/src/math/covariance-matrix.h b/src/math/covariance-matrix.h
index 33a5d75053..24ce791cf5 100644
--- 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 +54,7 @@ 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 *);
+double covariance_matrix_get_element (const struct covariance_matrix *, size_t, size_t);
 #endif