1.1 --- a/graph_displayer_canvas-zoom.cc	Sun Aug 07 22:14:59 2005 +0000
     1.2 +++ b/graph_displayer_canvas-zoom.cc	Tue Aug 16 20:07:14 2005 +0000
     1.3 @@ -1,6 +1,6 @@
     1.4  #include "graph_displayer_canvas.h"
     1.5  #include "broken_edge.h"
     1.6 -#include <math.h>
     1.7 +#include <cmath>
     1.8  
     1.9  void GraphDisplayerCanvas::zoomIn()
    1.10  {