--- /dev/null
+//---------------------------- mg_dof_handler.cc ---------------------------
+// $Id$
+// Version: $Name$
+//
+// Copyright (C) 2000, 2001, 2003, 2004, 2005 by the deal.II authors
+//
+// This file is subject to QPL and may not be distributed
+// without copyright and license information. Please refer
+// to the file deal.II/doc/license.html for the text and
+// further information on this license.
+//
+//---------------------------- mg_dof_handler.cc ---------------------------
+
+
+/* Author: Ralf Hartmann, 2005 */
+
+#include <base/logstream.h>
+#include <grid/tria.h>
+#include <grid/grid_generator.h>
+#include <grid/tria_accessor.h>
+#include <grid/grid_out.h>
+#include <fe/fe_dgq.h>
+#include <multigrid/mg_dof_handler.h>
+
+#include <fstream>
+
+
+int main ()
+{
+ std::ofstream logfile("mg_dof_handler.output");
+ logfile.precision(2);
+
+ deallog.attach(logfile);
+ deallog.depth_console(0);
+
+ const unsigned int dim=2;
+ Triangulation<dim> tria;
+ GridGenerator::hyper_cube(tria);
+
+ FE_DGQ<dim> fe(1);
+ MGDoFHandler<dim> dof_handler(tria);
+
+ tria.begin_active()->set_refine_flag();
+ tria.execute_coarsening_and_refinement();
+
+ Triangulation<dim>::active_cell_iterator
+ cell=tria.begin_active(),
+ endc=tria.end();
+ for (; cell!=endc; ++cell)
+ cell->set_coarsen_flag();
+ tria.execute_coarsening_and_refinement();
+
+ dof_handler.distribute_dofs(fe);
+
+ deallog << "OK" << std::endl;
+}