diff -r cd72eae05bdf -r 3c00344f49c9 lemon/dim2.h
--- a/lemon/dim2.h	Mon Jul 16 16:21:40 2018 +0200
+++ b/lemon/dim2.h	Wed Oct 17 19:14:07 2018 +0200
@@ -20,6 +20,7 @@
 #define LEMON_DIM2_H
 
 #include <iostream>
+#include <algorithm>
 
 ///\ingroup geomdat
 ///\file