diff -r 0e4f009eab8b -r 67188bd752db xymap.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xymap.h	Mon Jul 07 08:10:39 2008 -0500
@@ -0,0 +1,50 @@
+/* -*- C++ -*-
+ *
+ * This file is a part of LEMON, a generic C++ optimization library
+ *
+ * Copyright (C) 2003-2006
+ * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
+ * (Egervary Research Group on Combinatorial Optimization, EGRES).
+ *
+ * Permission to use, modify and distribute this software is granted
+ * provided that this copyright notice appears in all copies. For
+ * precise terms see the accompanying LICENSE file.
+ *
+ * This software is provided "AS IS" with no warranty of any kind,
+ * express or implied, and with no claim as to its suitability for any
+ * purpose.
+ *
+ */
+
+#ifndef XYMAP_H
+#define XYMAP_H
+
+#include <lemon/list_graph.h>
+#include <lemon/dim2.h>
+
+template<class M>
+class XYMap
+{
+  private:
+    M *xmap, *ymap;
+
+  public:
+    typedef typename M::Key Key;
+    typedef lemon::dim2::Point<typename M::Value> Value;
+    XYMap() {}
+    XYMap(M &_xmap, M &_ymap) : xmap(&_xmap), ymap(&_ymap) {}
+    void setXMap(M &_xmap) { xmap = &_xmap; }
+    void setYMap(M &_ymap) { ymap = &_ymap; }
+    Value operator[](Key k) const
+    {
+      Value v(xmap->operator[](k), ymap->operator[](k));
+      return v;
+    }
+    void set(Key k, Value v)
+    {
+      xmap->set(k, v.x);
+      ymap->set(k, v.y);
+    }
+};
+
+#endif