Create design matrices for procedures that need them.
*/
#include <config.h>
+
+#include "design-matrix.h"
+
+#include <assert.h>
+#include <math.h>
#include <stdlib.h>
+#include <string.h>
+
#include <libpspp/alloc.h>
#include <libpspp/message.h>
#include <data/variable.h>
#include <data/category.h>
-#include "design-matrix.h"
-#include <string.h>
-#include <math.h>
+
#include <gsl/gsl_machine.h>
#include <gsl/gsl_vector.h>
#include <gsl/gsl_matrix.h>