--- /dev/null
+// ---------------------------------------------------------------------
+// $Id$
+//
+// Copyright (C) 2004 - 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 reinit()
+
+#include "../tests.h"
+#include <deal.II/lac/generic_linear_algebra.h>
+#include <deal.II/base/index_set.h>
+#include <deal.II/lac/constraint_matrix.h>
+#include <fstream>
+#include <iostream>
+#include <iomanip>
+#include <vector>
+
+#include "gla.h"
+
+template <class LA>
+void test ()
+{
+ unsigned int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
+ unsigned int numproc = Utilities::MPI::n_mpi_processes (MPI_COMM_WORLD);
+
+ if (myid==0)
+ deallog << "numproc=" << numproc << std::endl;
+
+ // each processor owns 2 indices and all
+ // are ghosting Element 1 (the second)
+
+ IndexSet local_active(numproc*2);
+ local_active.add_range(myid*2,myid*2+2);
+ IndexSet local_relevant(numproc*2);
+ local_relevant.add_range(1,2);
+
+ typename LA::MPI::Vector v(local_active, MPI_COMM_WORLD);
+ typename LA::MPI::Vector g(local_active, local_relevant, MPI_COMM_WORLD);
+
+ // set local values
+ v(myid*2)=myid*2.0;
+ v(myid*2+1)=myid*2.0+1.0;
+
+ v.compress(VectorOperation::insert);
+
+ g=v;
+
+ IndexSet local_active_big(numproc*3);
+ local_active_big.add_range(myid*3,myid*3+3);
+ typename LA::MPI::Vector big(local_active_big, MPI_COMM_WORLD);
+
+ typename LA::MPI::Vector x;
+ Assert(!x.has_ghost_elements(), ExcInternalError());
+ Assert(x.size()==0, ExcInternalError());
+ x.reinit(v);
+ Assert(!x.has_ghost_elements(), ExcInternalError());
+ Assert(x.size()==v.size(), ExcInternalError());
+
+ x.reinit(big);
+ Assert(!x.has_ghost_elements(), ExcInternalError());
+ Assert(x.size()==big.size(), ExcInternalError());
+
+ x.reinit(v);
+ Assert(!x.has_ghost_elements(), ExcInternalError());
+ Assert(x.size()==v.size(), ExcInternalError());
+
+ x.reinit(g);
+ Assert(x.has_ghost_elements(), ExcInternalError());
+ Assert(x.size()==g.size(), ExcInternalError());
+ deallog << x(1) << std::endl;
+
+ x.reinit(v);
+ Assert(!x.has_ghost_elements(), ExcInternalError());
+ Assert(x.size()==v.size(), ExcInternalError());
+
+ // done
+ 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("PETSc");
+ test<LA_PETSc>();
+ deallog.pop();
+ deallog.push("Trilinos");
+ test<LA_Trilinos>();
+ deallog.pop();
+ }
+
+}