--- /dev/null
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2009 - 2014 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.
+//
+// ---------------------------------------------------------------------
+
+
+
+// check Utilities::MPI::max() for arrays, but with input=output
+
+#include "../tests.h"
+#include <deal.II/base/logstream.h>
+#include <deal.II/base/utilities.h>
+#include <fstream>
+
+void test()
+{
+ unsigned int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
+ const unsigned int numprocs = Utilities::MPI::n_mpi_processes (MPI_COMM_WORLD);
+
+ unsigned int maxima[2] = { 1, 2 };
+ Utilities::MPI::max (maxima,
+ MPI_COMM_WORLD,
+ maxima);
+ Assert (maxima[0] == 1, ExcInternalError());
+ Assert (maxima[1] == 2, ExcInternalError());
+
+ if (myid==0)
+ deallog << maxima[0] << ' ' << maxima[1] << std::endl;
+}
+
+
+int main(int argc, char *argv[])
+{
+#ifdef DEAL_II_WITH_MPI
+ Utilities::MPI::MPI_InitFinalize mpi (argc, argv);
+#else
+ (void)argc;
+ (void)argv;
+ compile_time_error;
+
+#endif
+
+ if (Utilities::MPI::this_mpi_process (MPI_COMM_WORLD) == 0)
+ {
+ std::ofstream logfile("output");
+ deallog.attach(logfile);
+ deallog.depth_console(0);
+ deallog.threshold_double(1.e-10);
+
+ deallog.push("mpi");
+ test();
+ deallog.pop();
+ }
+ else
+ test();
+}
--- /dev/null
+
+DEAL:mpi::1 2
--- /dev/null
+
+DEAL:mpi::1 2
--- /dev/null
+
+DEAL:mpi::1 2
--- /dev/null
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2009 - 2014 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.
+//
+// ---------------------------------------------------------------------
+
+
+
+// check Utilities::MPI::max() for vectors
+
+#include "../tests.h"
+#include <deal.II/base/logstream.h>
+#include <deal.II/base/utilities.h>
+#include <fstream>
+
+void test()
+{
+ unsigned int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
+ const unsigned int numprocs = Utilities::MPI::n_mpi_processes (MPI_COMM_WORLD);
+
+ unsigned int values_[2] = { 1, 2 };
+ std::vector<unsigned int> values(&values_[0], &values_[2]);
+ std::vector<unsigned int> maxima(2);
+ Utilities::MPI::max (values,
+ MPI_COMM_WORLD,
+ maxima);
+ Assert (maxima[0] == 1, ExcInternalError());
+ Assert (maxima[1] == 2, ExcInternalError());
+
+ if (myid==0)
+ deallog << maxima[0] << ' ' << maxima[1] << std::endl;
+}
+
+
+int main(int argc, char *argv[])
+{
+#ifdef DEAL_II_WITH_MPI
+ Utilities::MPI::MPI_InitFinalize mpi (argc, argv);
+#else
+ (void)argc;
+ (void)argv;
+ compile_time_error;
+
+#endif
+
+ if (Utilities::MPI::this_mpi_process (MPI_COMM_WORLD) == 0)
+ {
+ std::ofstream logfile("output");
+ deallog.attach(logfile);
+ deallog.depth_console(0);
+ deallog.threshold_double(1.e-10);
+
+ deallog.push("mpi");
+ test();
+ deallog.pop();
+ }
+ else
+ test();
+}
--- /dev/null
+
+DEAL:mpi::1 2
--- /dev/null
+
+DEAL:mpi::1 2
--- /dev/null
+
+DEAL:mpi::1 2
--- /dev/null
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2009 - 2014 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.
+//
+// ---------------------------------------------------------------------
+
+
+
+// check Utilities::MPI::max() for vectors, but with input=output
+
+#include "../tests.h"
+#include <deal.II/base/logstream.h>
+#include <deal.II/base/utilities.h>
+#include <fstream>
+
+void test()
+{
+ unsigned int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
+ const unsigned int numprocs = Utilities::MPI::n_mpi_processes (MPI_COMM_WORLD);
+
+ unsigned int values_[2] = { 1, 2 };
+ std::vector<unsigned int> maxima(&values_[0], &values_[2]);
+ Utilities::MPI::max (maxima,
+ MPI_COMM_WORLD,
+ maxima);
+ Assert (maxima[0] == 1, ExcInternalError());
+ Assert (maxima[1] == 2, ExcInternalError());
+
+ if (myid==0)
+ deallog << maxima[0] << ' ' << maxima[1] << std::endl;
+}
+
+
+int main(int argc, char *argv[])
+{
+#ifdef DEAL_II_WITH_MPI
+ Utilities::MPI::MPI_InitFinalize mpi (argc, argv);
+#else
+ (void)argc;
+ (void)argv;
+ compile_time_error;
+
+#endif
+
+ if (Utilities::MPI::this_mpi_process (MPI_COMM_WORLD) == 0)
+ {
+ std::ofstream logfile("output");
+ deallog.attach(logfile);
+ deallog.depth_console(0);
+ deallog.threshold_double(1.e-10);
+
+ deallog.push("mpi");
+ test();
+ deallog.pop();
+ }
+ else
+ test();
+}
--- /dev/null
+
+DEAL:mpi::1 2
--- /dev/null
+
+DEAL:mpi::1 2
--- /dev/null
+
+DEAL:mpi::1 2