--- a/src/basics.h	Thu Nov 17 14:12:59 2016 +0200
+++ b/src/basics.h	Fri Nov 18 02:56:53 2016 +0200
@@ -23,6 +23,7 @@
 #include <QMetaType>
 #include <QVector3D>
 #include <functional>
+#include <math.h>
 #include "macros.h"
 #include "transform.h"
 #include "types/matrix.h"