diff -r de9849252e78 -r 44700ed9ffaa src/work/alpar/smart_graph.h
--- a/src/work/alpar/smart_graph.h	Thu Mar 11 23:31:13 2004 +0000
+++ b/src/work/alpar/smart_graph.h	Fri Mar 12 09:19:54 2004 +0000
@@ -96,12 +96,14 @@
     Node tail(Edge e) const { return edges[e.n].tail; }
     Node head(Edge e) const { return edges[e.n].head; }
 
-//     Node aNode(const OutEdgeIt& e) const { return tail(e); }
-//     Node aNode(const InEdgeIt& e) const { return head(e); }
+    // Marci
+    Node aNode(OutEdgeIt e) const { return edges[e.n].tail; }
+    Node aNode(InEdgeIt e) const { return edges[e.n].head; }
 //     //Node aNode(const SymEdge& e) const { return e.aNode(); }
 
-//     Node bNode(const OutEdgeIt& e) const { return head(e); }
-//     Node bNode(const InEdgeIt& e) const { return tail(e); }
+    // Marci
+    Node bNode(OutEdgeIt e) const { return edges[e.n].head; }
+    Node bNode(InEdgeIt e) const { return edges[e.n].tail; }
 //     //Node bNode(const SymEdge& e) const { return e.bNode(); }
 
     NodeIt& first(NodeIt& v) const { 
@@ -116,14 +118,16 @@
     template< typename It >
     It first() const { 
       It e;
-      getFirst(e);
+      //Marci
+      /*getF*/first(e);
       return e; 
     }
 
     template< typename It >
     It first(Node v) const { 
       It e;
-      getFirst(e, v);
+      //Marci
+      /*getF*/first(e, v);
       return e; 
     }
 
@@ -138,7 +142,12 @@
     { It tmp(it); return next(tmp); }
     //{ It tmp; tmp.n=it.n+1; return tmp; }
 
-    Node& next(Node& it) const { it.n=(it.n+2)%nodes.size()-1; return it; }
+    //FIXME correction Marci: I changed to NodeIt from Node
+    //NodeIt& next(NodeIt& it) const { it.n=(it.n+2)%nodes.size()-1; return it; }
+    NodeIt& next(NodeIt& it) const { 
+      it.n=(it.n+2)%(nodes.size()+1)-1; 
+      return it; 
+    }
     OutEdgeIt& next(OutEdgeIt& it) const
     { it.n=edges[it.n].next_out; return it; }
     InEdgeIt& next(InEdgeIt& it) const
@@ -216,7 +225,8 @@
       Edge(int nn) {n=nn;}
     public:
       Edge() { }
-      Edge (Invalid i) { n=-1; }
+      // Marci: kiszedtem az Invalid i-bol az i-t 
+      Edge (Invalid) { n=-1; }
       bool operator==(const Edge i) const {return n==i.n;}
       bool operator!=(const Edge i) const {return n!=i.n;}
       bool operator<(const Edge i) const {return n<i.n;}