diff -r 046c055217f6 -r 12c2c5c4330b test/arborescence_test.cc
--- a/test/arborescence_test.cc	Fri Feb 08 10:18:55 2008 +0000
+++ b/test/arborescence_test.cc	Fri Feb 08 10:38:08 2008 +0000
@@ -21,7 +21,7 @@
 #include <vector>
 #include <iterator>
 
-#include <cmath>
+#include <lemon/math.h>
 #include <cstdlib>
 
 #include <lemon/smart_graph.h>