(c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include <stdio.h>
-#include <math.h>
#include "spaceable-grob.hh"
-#include "grob.hh"
+
+#include <cstdio>
+#include <cmath>
+
#include "warn.hh"
#include "spring.hh"
#include "group-interface.hh"