--- /dev/null
+// ---------------------------------------------------------------------
+// $Id$
+//
+// Copyright (C) 2009 - 2013 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+
+
+// simplify test to show bug: missing level dofs:
+/*
+An error occurred in line <126> of file <mg_05.cc> in function
+ void test() [with int dim = 2]
+The violated condition was:
+ cell->neighbor(f)->level_subdomain_id()<100
+The name and call sequence of the exception was:
+ ExcInternalError()
+Additional Information:
+(none)
+*/
+
+#include "../tests.h"
+#include "coarse_grid_common.h"
+#include <deal.II/base/logstream.h>
+#include <deal.II/base/tensor.h>
+#include <deal.II/grid/tria.h>
+#include <deal.II/distributed/tria.h>
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/grid_out.h>
+#include <deal.II/dofs/dof_handler.h>
+#include <deal.II/dofs/dof_handler.h>
+#include <deal.II/dofs/dof_tools.h>
+#include <deal.II/grid/tria_accessor.h>
+#include <deal.II/grid/tria_iterator.h>
+#include <deal.II/dofs/dof_accessor.h>
+#include <deal.II/numerics/data_out.h>
+
+#include <deal.II/fe/fe_q.h>
+#include <deal.II/fe/fe_dgp.h>
+#include <deal.II/lac/trilinos_vector.h>
+
+#include <fstream>
+
+template<int dim>
+void output(parallel::distributed::Triangulation<dim> &tr)
+{
+ const std::string filename = ("mg_05/mesh." +
+ Utilities::int_to_string
+ (tr.locally_owned_subdomain(), 4) +
+ ".svg");
+ std::ofstream stream(filename.c_str());
+ /*
+ GridOutFlags::XFig flags;
+ flags.color_by = GridOutFlags::XFig::level_subdomain_id;
+ GridOut out;
+ out.set_flags(flags);
+
+ out.write_xfig(tr, stream);
+ */
+ GridOut grid_out;
+ GridOutFlags::Svg svg_flags;
+ svg_flags.coloring = GridOutFlags::Svg::subdomain_id;
+ svg_flags.label_material_id = false;
+ svg_flags.label_level_number = false;
+ svg_flags.label_cell_index = false;
+ svg_flags.label_subdomain_id = false;
+ svg_flags.label_level_subdomain_id = true;
+ svg_flags.background = GridOutFlags::Svg::transparent;
+ svg_flags.polar_angle = 60;
+ svg_flags.convert_level_number_to_height = true;
+ grid_out.set_flags(svg_flags);
+ grid_out.write_svg(tr, stream);
+
+
+}
+
+template<int dim>
+void test()
+{
+ unsigned int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
+
+ parallel::distributed::Triangulation<dim> tr(MPI_COMM_WORLD,
+ Triangulation<dim>::none,
+ parallel::distributed::Triangulation<dim>::construct_multigrid_hierarchy);
+ GridGenerator::hyper_cube(tr);
+ tr.refine_global(3);
+
+ for (unsigned int ii=0;ii<5;++ii)
+ {
+ typename Triangulation<dim>::active_cell_iterator
+ cell = tr.begin_active(),
+ endc = tr.end();
+
+ for (; cell!=endc; ++cell)
+ if (std::rand()%42==1)
+ cell->set_refine_flag ();
+
+ tr.execute_coarsening_and_refinement ();
+
+ DoFHandler<dim> dofh(tr);
+
+ //output(tr);
+
+ static const FE_Q<dim> fe(1);
+ dofh.distribute_dofs (fe);
+ dofh.distribute_mg_dofs (fe);
+
+ {
+ for (unsigned int lvl=0; lvl<tr.n_levels(); ++lvl)
+ {
+ deallog << "level " << lvl << ": "<< std::endl;
+ typename DoFHandler<dim>::cell_iterator
+ cell = dofh.begin(lvl),
+ endc = dofh.end(lvl);
+
+ for (; cell!=endc; ++cell)
+ {
+ if (cell->level_subdomain_id()!=tr.locally_owned_subdomain())
+ continue;
+ for (unsigned int f=0;f<GeometryInfo<dim>::faces_per_cell;++f)
+ {
+ if (cell->at_boundary(f))
+ continue;
+
+ deallog << cell->neighbor(f)->level_subdomain_id() << std::endl;
+ // is cell level-artificial?
+ Assert(cell->neighbor(f)->level_subdomain_id()<100, ExcInternalError());
+
+ std::vector<types::global_dof_index> dofs(fe.n_dofs_per_cell());
+ cell->neighbor(f)->get_mg_dof_indices(dofs);
+ for (unsigned int i=0;i<fe.n_dofs_per_cell();++i)
+ {
+ Assert(dofs[i]!=numbers::invalid_dof_index, ExcInternalError());
+ }
+
+ }
+ }
+ }
+ }
+ }
+
+ if (myid==0)
+ deallog << "OK" << std::endl;
+}
+
+
+int main(int argc, char *argv[])
+{
+ Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1);
+ MPILogInitAll log(__FILE__);
+
+ deallog.push("2d");
+ test<2>();
+ deallog.pop();
+}
--- /dev/null
+
+DEAL:0:2d::hyper_cube
+DEAL:0:2d::level 0: - - - - |
+DEAL:0:2d::OK
+
+DEAL:1:2d::level 0: 0 1 2 3 |
+DEAL:1:2d::level 1: 0 1 2 3 | 1 4 3 5 | 2 3 6 7 | 3 5 7 8 |
+DEAL:1:2d::level 2: 0 1 2 3 | 1 4 3 5 | 2 3 6 7 | 3 5 7 8 | 4 9 5 10 | 9 - 10 - | 5 10 8 13 | 10 - 13 - | 6 7 15 16 | 7 8 16 17 | 15 16 - - | 16 17 - - | 8 13 17 21 | 13 - 21 - | 17 21 - - | 21 - - - |
+
+
+DEAL:2:2d::level 0: - - - - |
+
+
+DEAL:3:2d::level 0: 0 1 2 3 |
+DEAL:3:2d::level 1: 0 1 2 3 | 1 4 3 5 | 2 3 6 7 | 3 5 7 8 |
+DEAL:3:2d::level 2: - 1 - 3 | 1 4 3 5 | - 3 - 7 | 3 5 7 8 | 4 9 5 10 | 9 11 10 12 | 5 10 8 13 | 10 12 13 14 | - 7 - 16 | 7 8 16 17 | - 16 - - | 16 17 - - | 8 13 17 21 | 13 14 21 22 | 17 21 - - | 21 22 - - |
+
+
+DEAL:4:2d::level 0: - - - - |
+
+
+DEAL:5:2d::level 0: - - - - |
+
+
+DEAL:6:2d::level 0: 0 1 2 3 |
+DEAL:6:2d::level 1: 0 1 2 3 | 1 4 3 5 | 2 3 6 7 | 3 5 7 8 |
+DEAL:6:2d::level 2: - - 2 3 | - - 3 5 | 2 3 6 7 | 3 5 7 8 | - - 5 10 | - - 10 - | 5 10 8 13 | 10 - 13 - | 6 7 15 16 | 7 8 16 17 | 15 16 18 19 | 16 17 19 20 | 8 13 17 21 | 13 - 21 - | 17 21 20 23 | 21 - 23 - |
+
+
+DEAL:7:2d::level 0: - - - - |
+
+
+DEAL:8:2d::level 0: 0 1 2 3 |
+DEAL:8:2d::level 1: 0 1 2 3 | 1 4 3 5 | 2 3 6 7 | 3 5 7 8 |
+DEAL:8:2d::level 2: - - - 3 | - - 3 5 | - 3 - 7 | 3 5 7 8 | - - 5 10 | - - 10 12 | 5 10 8 13 | 10 12 13 14 | - 7 - 16 | 7 8 16 17 | - 16 - 19 | 16 17 19 20 | 8 13 17 21 | 13 14 21 22 | 17 21 20 23 | 21 22 23 24 |
+
+
+DEAL:9:2d::level 0: - - - - |
+
projects / dealii.git / commitdiff