From 7221f12c2f5b196e18072f394cae5daada8e1764 Mon Sep 17 00:00:00 2001
From: Timo Heister <timo.heister@gmail.com>
Date: Thu, 7 Aug 2014 13:43:44 -0400
Subject: [PATCH] add test

---
 tests/mpi/condense_01.cc                      | 98 +++++++++++++++++++
 ...ense_01.with_trilinos=true.mpirun=2.output |  7 ++
 ...ense_01.with_trilinos=true.mpirun=7.output | 22 +++++
 3 files changed, 127 insertions(+)
 create mode 100644 tests/mpi/condense_01.cc
 create mode 100644 tests/mpi/condense_01.with_trilinos=true.mpirun=2.output
 create mode 100644 tests/mpi/condense_01.with_trilinos=true.mpirun=7.output

diff --git a/tests/mpi/condense_01.cc b/tests/mpi/condense_01.cc
new file mode 100644
index 0000000000..9de14ef581
--- /dev/null
+++ b/tests/mpi/condense_01.cc
@@ -0,0 +1,98 @@
+// ---------------------------------------------------------------------
+// $Id$
+//
+// 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.
+//
+// ---------------------------------------------------------------------
+
+
+
+// test ConstraintMatrix::condense(in, out)
+
+#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/tria_accessor.h>
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/grid_tools.h>
+#include <deal.II/base/utilities.h>
+
+#include <deal.II/lac/petsc_parallel_vector.h>
+#include <deal.II/fe/fe_q.h>
+#include <deal.II/lac/constraint_matrix.h>
+#include <deal.II/dofs/dof_tools.h>
+
+#include <fstream>
+
+
+template<int dim>
+void test()
+{
+  const unsigned int myid = Utilities::MPI::this_mpi_process(MPI_COMM_WORLD);
+  parallel::distributed::Triangulation<dim> triangulation(MPI_COMM_WORLD);
+  GridGenerator::hyper_cube (triangulation, -0.5, 0.5);
+
+  triangulation.refine_global(1);
+
+  /*
+  for (typename Triangulation<dim>::active_cell_iterator cell = triangulation.begin_active (); cell != triangulation.end (); ++cell)
+    if (cell->is_locally_owned ())
+    {
+      if(cell->center().square() < 0.3*0.3)
+        cell->set_refine_flag ();
+    }
+  */
+  typename Triangulation<dim>::active_cell_iterator cell = triangulation.begin_active ();
+  if (cell->is_locally_owned ())
+    cell->set_refine_flag ();
+  
+  triangulation.execute_coarsening_and_refinement ();
+  if (myid == 0)
+    deallog << "#cells = " << triangulation.n_global_active_cells() << std::endl;
+
+  FE_Q<dim> fe(1);
+  DoFHandler<dim> dof_handler(triangulation);
+  dof_handler.distribute_dofs(fe);
+
+  ConstraintMatrix constraints;
+  DoFTools::make_hanging_node_constraints (dof_handler, constraints);
+  constraints.close ();
+
+  IndexSet locally_owned_dofs, locally_relevant_dofs;
+  DoFTools::extract_locally_owned_dofs (dof_handler, locally_owned_dofs);
+  DoFTools::extract_locally_relevant_dofs (dof_handler, locally_relevant_dofs);
+
+  PETScWrappers::MPI::Vector vec (locally_owned_dofs, MPI_COMM_WORLD);
+  PETScWrappers::MPI::Vector vec_ghosted (locally_owned_dofs, locally_relevant_dofs, MPI_COMM_WORLD);
+  vec = 1;
+  vec_ghosted = vec;
+  vec = -1;
+  
+  constraints.condense (vec_ghosted, vec);
+
+  vec.print(deallog.get_file_stream());
+
+  if (myid==0)
+    deallog << "OK" << std::endl;
+}
+
+
+int main(int argc, char *argv[])
+{
+  Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1);
+  MPILogInitAll log;
+
+  test<2>();
+}
diff --git a/tests/mpi/condense_01.with_trilinos=true.mpirun=2.output b/tests/mpi/condense_01.with_trilinos=true.mpirun=2.output
new file mode 100644
index 0000000000..a9dc4b36ca
--- /dev/null
+++ b/tests/mpi/condense_01.with_trilinos=true.mpirun=2.output
@@ -0,0 +1,7 @@
+
+DEAL:0::#cells = 7
+[Proc0 0-8] 1.000e+00 1.000e+00 1.000e+00 1.000e+00 1.500e+00 0.000e+00 1.500e+00 0.000e+00 2.000e+00 
+DEAL:0::OK
+
+[Proc1 9-13] 1.000e+00 1.000e+00 1.000e+00 1.000e+00 1.000e+00 
+
diff --git a/tests/mpi/condense_01.with_trilinos=true.mpirun=7.output b/tests/mpi/condense_01.with_trilinos=true.mpirun=7.output
new file mode 100644
index 0000000000..b8c6aa7346
--- /dev/null
+++ b/tests/mpi/condense_01.with_trilinos=true.mpirun=7.output
@@ -0,0 +1,22 @@
+
+DEAL:0::#cells = 7
+[Proc0 0-8] 1.000e+00 1.000e+00 1.000e+00 1.000e+00 1.500e+00 0.000e+00 1.500e+00 0.000e+00 2.000e+00 
+DEAL:0::OK
+
+[Proc1 9-8] 
+
+
+[Proc2 9-8] 
+
+
+[Proc3 9-8] 
+
+
+[Proc4 9-10] 1.000e+00 1.000e+00 
+
+
+[Proc5 11-12] 1.000e+00 1.000e+00 
+
+
+[Proc6 13-13] 1.000e+00 
+
-- 
2.39.5