Commit a test that presently fails.

git-svn-id: https://svn.dealii.org/trunk@8909 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/tests/bits/block_sparse_matrix_iterator_01.cc b/tests/bits/block_sparse_matrix_iterator_01.cc
new file mode 100644 (file)
index 0000000..8a4178a
--- /dev/null
+++ b/tests/bits/block_sparse_matrix_iterator_01.cc
@@ -0,0 +1,128 @@
+//----------------------------  block_sparse_matrix_iterator_01.cc  ---------------------------
+//    $Id$
+//    Version: $Name$ 
+//
+//    Copyright (C) 2004 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.
+//
+//----------------------------  block_sparse_matrix_iterator_01.cc  ---------------------------
+
+
+// this test, extracted from dof_constraints_09, used to fail with aborts
+
+#include "../tests.h"
+#include <lac/block_sparsity_pattern.h>
+#include <lac/block_sparse_matrix.h>
+#include <lac/block_vector.h>
+#include <grid/tria.h>
+#include <grid/tria_accessor.h>
+#include <grid/tria_iterator.h>
+#include <grid/grid_tools.h>
+#include <grid/grid_generator.h>
+#include <dofs/dof_handler.h>
+#include <dofs/dof_accessor.h>
+#include <dofs/dof_tools.h>
+#include <dofs/dof_constraints.h>
+#include <fe/fe_q.h>
+#include <fstream>
+#include <iostream>
+
+
+template <int dim>
+void test ()
+{
+  deallog << dim << "D" << std::endl;
+  
+  Triangulation<dim> triangulation;
+  GridGenerator::hyper_cube (triangulation);
+
+                                   // refine once, then refine first cell to
+                                   // create hanging nodes
+  triangulation.refine_global (1);
+  triangulation.execute_coarsening_and_refinement ();
+  deallog << "Number of cells: " << triangulation.n_active_cells() << std::endl;
+  
+                                   // set up a DoFHandler and compute hanging
+                                   // node constraints for a Q2 element
+  FE_Q<dim> fe(1);
+  DoFHandler<dim> dof_handler (triangulation);
+  dof_handler.distribute_dofs (fe);
+  deallog << "Number of dofs: " << dof_handler.n_dofs() << std::endl;
+
+                                   // then set up a sparsity pattern and a
+                                   // matrix on top of it
+  std::vector<unsigned int> block_sizes(2);
+  block_sizes[0] = dof_handler.n_dofs()/3;
+  block_sizes[1] = dof_handler.n_dofs() - block_sizes[0];
+
+  BlockSparsityPattern sparsity(2,2);
+  for (unsigned int i=0; i<2; ++i)
+    for (unsigned int j=0; j<2; ++j)
+      sparsity.block(i,j).reinit (block_sizes[i], block_sizes[j],
+                                  dof_handler.max_couplings_between_dofs());
+  sparsity.collect_sizes();
+  
+  DoFTools::make_sparsity_pattern (dof_handler, sparsity);
+  sparsity.compress ();
+  BlockSparseMatrix<double> A(sparsity);
+
+                                   // and output what we have. first for the
+                                   // individual blocks, and later for all
+                                   // together (which yielded an abort)
+  deallog << "Blockwise output" << std::endl;
+  for (unsigned int i=0; i<2; ++i)
+    for (unsigned int j=0; j<2; ++j)
+      for (SparseMatrix<double>::const_iterator k=A.block(i,j).begin();
+           k!=A.block(i,j).end(); ++k)
+        deallog << i << ' ' << j << ' '
+                << k->row() << ' ' << k->column() << ' ' << k->value()
+                << std::endl;
+
+  deallog << "Global output" << std::endl;
+  for (BlockSparseMatrix<double>::const_iterator i=A.begin(); i!=A.end(); ++i)
+    deallog << i->block_row() << ' ' << i->block_column() << ' '
+            << i->row() << ' ' << i->column() << ' ' << i->value()
+            << std::endl;
+}
+
+
+
+int main ()
+{
+  std::ofstream logfile("block_sparse_matrix_iterator_01.output");
+  deallog.attach(logfile);
+  deallog.depth_console(0);
+
+  try
+    {
+      test<3> ();
+    }
+  catch (std::exception &exc)
+    {
+      std::cerr << std::endl << std::endl
+               << "----------------------------------------------------"
+               << std::endl;
+      std::cerr << "Exception on processing: " << std::endl
+               << exc.what() << std::endl
+               << "Aborting!" << std::endl
+               << "----------------------------------------------------"
+               << std::endl;
+      
+      return 1;
+    }
+  catch (...) 
+    {
+      std::cerr << std::endl << std::endl
+               << "----------------------------------------------------"
+               << std::endl;
+      std::cerr << "Unknown exception!" << std::endl
+               << "Aborting!" << std::endl
+               << "----------------------------------------------------"
+               << std::endl;
+      return 1;
+    };
+}