bug fix in SubBidirGraphWrapper::firstIn(Edge&,const Node&), due to Gabor Retvari
     1.1 --- a/src/lemon/graph_wrapper.h	Sun Mar 27 15:59:04 2005 +0000
     1.2 +++ b/src/lemon/graph_wrapper.h	Mon Mar 28 23:34:26 2005 +0000
     1.3 @@ -734,7 +734,7 @@
     1.4        Parent::firstIn(i, n); 
     1.5        i.backward=false;
     1.6        while (*static_cast<GraphEdge*>(&i)!=INVALID && 
     1.7 -	     !(*forward_filter)[i]) Parent::nextOut(i);
     1.8 +	     !(*forward_filter)[i]) Parent::nextIn(i);
     1.9        if (*static_cast<GraphEdge*>(&i)==INVALID) {
    1.10  	Parent::firstOut(i, n); 
    1.11  	i.backward=true;