X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fdesign-matrix.h;h=458145801fa0d4686776c923becc270b2a328056;hb=d3ceb500f824c3765b424e69c69cf3eb85117d15;hp=ba7f984218261d5db40af8c41a864b51c1af886a;hpb=47e6024280cbc95dbfa637009091cc8404c84fb0;p=pspp-builds.git

diff --git a/src/math/design-matrix.h b/src/math/design-matrix.h
index ba7f9842..45814580 100644
--- a/src/math/design-matrix.h
+++ b/src/math/design-matrix.h
@@ -90,4 +90,8 @@ void design_matrix_increment_case_count (struct design_matrix *, const struct va
 void design_matrix_set_case_count (struct design_matrix *, const struct variable *, size_t);
 
 size_t design_matrix_get_case_count (const struct design_matrix *, const struct variable *);
+size_t design_matrix_get_n_cols (const struct design_matrix *);
+size_t design_matrix_get_n_rows (const struct design_matrix *);
+double design_matrix_get_element (const struct design_matrix *, size_t, size_t);
+void design_matrix_set_element (const struct design_matrix *, size_t, size_t, double);
 #endif