############################################################
# $Id$
-# Copyright (C) 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008 by the deal.II authors
+# Copyright (C) 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009 by the deal.II authors
############################################################
############################################################
$(lib-lac.g) \
$(lib-base.g)
-default: run-tests
+default: run-tests
############################################################
q_collection_* \
mapping_collection_* \
fe_collection_* \
+ fe_nothing_* \
continuous_* \
n_dofs \
random \
--- /dev/null
+//---------------------------- fe_nothing_01.cc ---------------------------
+// $Id$
+// Version: $Name$
+//
+// Copyright (C) 2009 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.
+//
+//---------------------------- fe_nothing_01.cc ---------------------------
+
+
+// test that FE_Nothing works as intended
+
+
+#include "../tests.h"
+#include <base/logstream.h>
+#include <fe/fe_nothing.h>
+#include <fe/fe_q.h>
+#include <hp/fe_collection.h>
+#include <hp/dof_handler.h>
+#include <grid/tria.h>
+#include <grid/grid_generator.h>
+#include <grid/tria_accessor.h>
+#include <grid/tria_iterator.h>
+#include <grid/grid_refinement.h>
+#include <dofs/dof_accessor.h>
+#include <dofs/dof_tools.h>
+#include <fe/fe_q.h>
+#include <hp/dof_handler.h>
+#include <hp/fe_values.h>
+
+
+#include <fstream>
+
+
+template <int dim>
+void test ()
+{
+ Triangulation<dim> triangulation;
+ GridGenerator :: hyper_cube (triangulation, -0.5, 0.5);
+ triangulation.refine_global(4);
+
+ hp::FECollection<dim> fe_collection;
+ fe_collection.push_back (FE_Q<dim>(1));
+ fe_collection.push_back (FE_Nothing<dim>());
+
+ hp::DoFHandler<dim> dof_handler (triangulation);
+
+ // loop over cells, and set cells
+ // within a circle to be of type
+ // FE_Nothing, while outside the
+ // circle to be of type FE_Q(1)
+ typename hp::DoFHandler<dim>::active_cell_iterator
+ cell = dof_handler.begin_active(),
+ endc = dof_handler.end();
+
+ for(; cell != endc; cell++)
+ {
+ Point<dim> center = cell->center();
+ if( std::sqrt(center.square()) < 0.25 )
+ cell->set_active_fe_index(1);
+ else
+ cell->set_active_fe_index(0);
+ }
+
+ // Attempt to distribute dofs.
+ // Fails here with assertion from
+ // hp_vertex_dof_identities().
+ // Seems this function expects all
+ // elements to be of type FE_Q, and
+ // therefore have dofs at the cell
+ // vertices.
+
+ dof_handler.distribute_dofs (fe_collection);
+
+ deallog << " Number of active cells: "
+ << triangulation.n_active_cells()
+ << std::endl
+ << " Number of degrees of freedom: "
+ << dof_handler.n_dofs()
+ << std::endl;
+}
+
+
+
+int main ()
+{
+ std::ofstream logfile("fe_nothing_01/output");
+ logfile.precision(2);
+
+ deallog.attach(logfile);
+ deallog.depth_console(0);
+ deallog.threshold_double(1.e-10);
+
+ test<1> ();
+ test<2> ();
+ test<3> ();
+
+ deallog << "OK" << std::endl;
+}