design_matrix.c: New accessor functions design_matrix_get_element and

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

diff --git a/src/math/covariance-matrix.h b/src/math/covariance-matrix.h
index b692e7e8003e4ee852a09a22c8acda31864c4901..24ce791cf5f74da3bb27ae48b11c4a9591a9f2b8 100644 (file)
--- a/src/math/covariance-matrix.h
+++ b/src/math/covariance-matrix.h
@@ -56,4 +56,5 @@ void covariance_matrix_free (struct covariance_matrix *);
 void covariance_matrix_accumulate (struct covariance_matrix *,
                                   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