diff -r d00b85f8be45 -r a490662291b9 src/test/undir_graph_test.cc
--- a/src/test/undir_graph_test.cc	Mon Apr 18 14:18:12 2005 +0000
+++ b/src/test/undir_graph_test.cc	Mon Apr 18 14:59:24 2005 +0000
@@ -56,26 +56,26 @@
   typedef typename Graph::UndirEdgeIt UEdgeIt;
   typedef typename Graph::EdgeIt EdgeIt;
 
-  cout << "Nodes" << endl;
+  std::cout << "Nodes" << std::endl;
   int i=0;
   for(NodeIt it(g); it!=INVALID; ++it, ++i) {
-    cout << "  " << i << ": " << g.id(it) << endl;
+    std::cout << "  " << i << ": " << g.id(it) << std::endl;
   }
 
-  cout << "UndirEdge" << endl;
+  std::cout << "UndirEdge" << std::endl;
   i=0;
   for(UEdgeIt it(g); it!=INVALID; ++it, ++i) {
-    cout << "  " << i << ": " << g.id(it) 
+    std::cout << "  " << i << ": " << g.id(it) 
 	 << " (" << g.id(g.source(it)) << ", " << g.id(g.target(it)) 
-	 << ")" << endl;
+	 << ")" << std::endl;
   }
 
-  cout << "Edge" << endl;
+  std::cout << "Edge" << std::endl;
   i=0;
   for(EdgeIt it(g); it!=INVALID; ++it, ++i) {
-    cout << "  " << i << ": " << g.id(it)
+    std::cout << "  " << i << ": " << g.id(it)
 	 << " (" << g.id(g.source(it)) << ", " << g.id(g.target(it)) 
-	 << ")" << endl;
+	 << ")" << std::endl;
   }
 
 }