diff -r 1581f961cfaa -r 4338e4280f67 src/lemon/graph_to_eps.h
--- a/src/lemon/graph_to_eps.h	Fri Apr 15 19:56:25 2005 +0000
+++ b/src/lemon/graph_to_eps.h	Fri Apr 15 20:26:01 2005 +0000
@@ -809,8 +809,9 @@
 	  sw-=_parEdgeDist;
 	  sw/=-2.0;
 	  xy<double> dvec(_coords[g.target(*i)]-_coords[g.source(*i)]);
-	  double l=sqrt(dvec.normSquare());
-	  xy<double> d(dvec/l);
+	  double l=sqrt(dvec.normSquare()); 
+	  ///\todo better 'epsilon' would be nice here.
+	  xy<double> d(dvec/max(l,1e-9));
  	  xy<double> m;
 // 	  m=xy<double>(_coords[g.target(*i)]+_coords[g.source(*i)])/2.0;