diff -r 096d83158d41 -r 81b47fc5c444 lemon/hypercube_graph.h
--- a/lemon/hypercube_graph.h	Fri Mar 02 17:56:22 2007 +0000
+++ b/lemon/hypercube_graph.h	Fri Mar 02 18:04:28 2007 +0000
@@ -154,7 +154,7 @@
     }
 
     bool projection(Node node, int n) const {
-      return (bool)(node.id & (1 << n));
+      return static_cast<bool>(node.id & (1 << n));
     }
 
     int dimension(Edge edge) const {
@@ -165,8 +165,8 @@
       return node.id;
     }
 
-    Node operator()(int index) const {
-      return Node(index);
+    Node operator()(int ix) const {
+      return Node(ix);
     }
     
   private:
@@ -236,8 +236,8 @@
     /// \brief Gives back the node by its index.
     ///
     /// Gives back the node by its index.
-    Node operator()(int index) const {
-      return Parent::operator()(index);
+    Node operator()(int ix) const {
+      return Parent::operator()(ix);
     }
 
     /// \brief Number of nodes.