1.1 --- a/src/lemon/undir_graph_extender.h	Wed Jan 05 14:34:00 2005 +0000
     1.2 +++ b/src/lemon/undir_graph_extender.h	Wed Jan 05 16:59:50 2005 +0000
     1.3 @@ -237,6 +237,14 @@
     1.4        return Parent::maxId(typename Parent::Edge());
     1.5      }
     1.6  
     1.7 +
     1.8 +    int edgeNum() const {
     1.9 +      return 2 * Parent::edgeNum();
    1.10 +    }
    1.11 +    int undirEdgeNum() const {
    1.12 +      return Parent::edgeNum();
    1.13 +    }
    1.14 +
    1.15    };
    1.16  
    1.17  }