design_matrix.c: New accessor functions design_matrix_get_element and

[pspp-builds.git] / src / math / design-matrix.c

diff --git a/src/math/design-matrix.c b/src/math/design-matrix.c
index 8195a4088db246b1d8f67012d1da5b26ee306a0f..b81859aa5a539099f6e7a437ab053f31ce5fa202 100644 (file)
--- 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);
+}