--- /dev/null
+
+//---------------------------- template.cc ---------------------------
+// $Id$
+// Version: $Name$
+//
+// Copyright (C) 2005, 2008, 2010 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.
+//
+//---------------------------- template.cc ---------------------------
+
+
+// test VectorTools::interpolate_boundary_values for codim=1. like _01
+// but for 1d triangulations
+
+#include "../tests.h"
+#include <fstream>
+#include <base/logstream.h>
+#include <base/function_lib.h>
+#include <grid/tria.h>
+#include <grid/grid_generator.h>
+#include <grid/grid_tools.h>
+#include <dofs/dof_handler.h>
+#include <fe/fe_q.h>
+#include <numerics/vectors.h>
+
+#include <string>
+
+std::ofstream logfile("interpolate_boundary_values_03/output");
+
+void test() {
+ const int dim = 1;
+ const int spacedim = 2;
+
+ Triangulation<dim, spacedim> tria;
+ Triangulation<spacedim> volume_mesh;
+ GridGenerator::half_hyper_ball(volume_mesh);
+ std::set<unsigned char> boundary_ids;
+ boundary_ids.insert(0);
+
+ GridTools::extract_boundary_mesh (volume_mesh, tria,boundary_ids);
+
+ deallog << tria.n_active_cells() << " active cells" << std::endl;
+
+ FE_Q<dim,spacedim> fe(1);
+ DoFHandler<dim,spacedim> dof_handler (tria);
+ dof_handler.distribute_dofs (fe);
+
+ deallog << dof_handler.n_dofs() << " degrees of freedom" << std::endl;
+
+ // test left and right boundary
+ // separately
+ for (unsigned int boundary_id=0; boundary_id<2; ++boundary_id)
+ {
+ std::map<unsigned int, double> bv;
+ VectorTools::interpolate_boundary_values (dof_handler,
+ boundary_id,
+ Functions::SquareFunction<spacedim>(),
+ bv);
+ deallog << bv.size() << " boundary degrees of freedom" << std::endl;
+
+ for (std::map<unsigned int, double>::const_iterator i = bv.begin();
+ i != bv.end(); ++i)
+ deallog << i->first << ' ' << i->second << std::endl;
+
+ for (DoFHandler<dim,spacedim>::active_cell_iterator
+ cell = dof_handler.begin_active(); cell != dof_handler.end(); ++cell)
+ for (unsigned int f=0; f<GeometryInfo<dim>::faces_per_cell; ++f)
+ if (cell->at_boundary(f) &&
+ (cell->face(f)->boundary_indicator() == boundary_id))
+ for (unsigned int v=0; v<GeometryInfo<dim>::vertices_per_face; ++v)
+ for (unsigned int i=0; i<fe.dofs_per_vertex; ++i)
+ {
+ Assert (bv.find(cell->face(f)->vertex_dof_index(v,i))
+ != bv.end(),
+ ExcInternalError());
+ Assert (bv[cell->face(f)->vertex_dof_index(v,i)]
+ ==
+ Functions::SquareFunction<spacedim>()
+ .value(cell->face(f)->vertex(v),i),
+ ExcInternalError());
+ }
+ }
+}
+
+
+
+int main ()
+{
+ deallog.attach(logfile);
+ deallog.depth_console(0);
+
+ test();
+
+ return 0;
+}
+