diff -r e71778873dd0 -r d8c28868f074 test/test_tools.h
--- a/test/test_tools.h	Fri Oct 07 11:05:08 2005 +0000
+++ b/test/test_tools.h	Fri Oct 07 11:05:35 2005 +0000
@@ -129,33 +129,33 @@
   }  
 }
 
-///Structure returned by \ref addSymPetersen().
+///Structure returned by \ref addUndirPetersen().
 
-///Structure returned by \ref addSymPetersen().
+///Structure returned by \ref addUndirPetersen().
 ///
-template<class Graph> struct SymPetStruct
+template<class Graph> struct UndirPetStruct
 {
   ///Vector containing the outer nodes.
   std::vector<typename Graph::Node> outer;
   ///Vector containing the inner nodes.
   std::vector<typename Graph::Node> inner;
   ///Vector containing the edges of the inner circle.
-  std::vector<typename Graph::SymEdge> incir;
+  std::vector<typename Graph::UndirEdge> incir;
   ///Vector containing the edges of the outer circle.
-  std::vector<typename Graph::SymEdge> outcir;
+  std::vector<typename Graph::UndirEdge> outcir;
   ///Vector containing the chord edges.
-  std::vector<typename Graph::SymEdge> chords;
+  std::vector<typename Graph::UndirEdge> chords;
 };
 
-///Adds a Petersen graph to the symmetric \c G.
+///Adds a Petersen graph to the undirected \c G.
 
-///Adds a Petersen graph to the symmetric \c G.
+///Adds a Petersen graph to the undirected \c G.
 ///\return The nodes and edges of the generated graph.
 
 template<typename Graph>
-SymPetStruct<Graph> addSymPetersen(Graph &G,int num=5)
+UndirPetStruct<Graph> addUndirPetersen(Graph &G,int num=5)
 {
-  SymPetStruct<Graph> n;
+  UndirPetStruct<Graph> n;
 
   for(int i=0;i<num;i++) {
     n.outer.push_back(G.addNode());