diff -r e15162d8eca1 -r 93ac8c521fe5 gui/graph_displayer_canvas-zoom.cc
--- a/gui/graph_displayer_canvas-zoom.cc	Tue Aug 16 19:06:59 2005 +0000
+++ b/gui/graph_displayer_canvas-zoom.cc	Tue Aug 16 20:07:14 2005 +0000
@@ -1,6 +1,6 @@
 #include "graph_displayer_canvas.h"
 #include "broken_edge.h"
-#include <math.h>
+#include <cmath>
 
 void GraphDisplayerCanvas::zoomIn()
 {