X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fdesign-matrix.c;h=b81859aa5a539099f6e7a437ab053f31ce5fa202;hb=9a331fe64eb814ae5c1322e21717a04fb254bf65;hp=8195a4088db246b1d8f67012d1da5b26ee306a0f;hpb=666b3bc20d87c833bab09901749ab72c82601d4a;p=pspp-builds.git

diff --git a/src/math/design-matrix.c b/src/math/design-matrix.c
index 8195a408..b81859aa 100644
--- a/src/math/design-matrix.c
+++ b/src/math/design-matrix.c
@@ -270,4 +270,14 @@ design_matrix_get_n_rows (const struct design_matrix *d)
   return d->m->size1;
 }
 
+double
+design_matrix_get_element (const struct design_matrix *d, size_t row, size_t col)
+{
+  return (gsl_matrix_get (d->m, row, col));
+}
 
+void
+design_matrix_set_element (const struct design_matrix *d, size_t row, size_t col, double x)
+{
+  gsl_matrix_set (d->m, row, col, x);
+}