mpi.h

// ---------------------------------------------------------------------
//
// Copyright (C) 2020 by the hyper.deal authors
//
// This file is part of the hyper.deal library.
//
// The hyper.deal 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 3.0 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE.MD at
// the top level directory of hyper.deal.
//
// ---------------------------------------------------------------------
 
#ifndef HYPERDEAL_MPI
#define HYPERDEAL_MPI
 
#include <hyper.deal/base/config.h>
 
#include <deal.II/base/mpi.h>
 
namespace hyperdeal
{
  namespace mpi
  {
    MPI_Comm
    create_sm(const MPI_Comm &comm);
 
    unsigned int
    n_procs_of_sm(const MPI_Comm &comm, const MPI_Comm &comm_sm);
 
    std::vector<unsigned int>
    procs_of_sm(const MPI_Comm &comm, const MPI_Comm &comm_shared);
 
    void
    print_sm(const MPI_Comm &comm, const MPI_Comm &comm_sm);
 
    void
    print_new_order(const MPI_Comm &comm_old, const MPI_Comm &comm_new);
 
    MPI_Comm
    create_rectangular_comm(const MPI_Comm &   comm,
                            const unsigned int size_x,
                            const unsigned int size_v);
 
    MPI_Comm
    create_z_order_comm(const MPI_Comm &                            comm,
                        const std::pair<unsigned int, unsigned int> procs,
                        const std::pair<unsigned int, unsigned int> group_size);
 
    MPI_Comm
    create_row_comm(const MPI_Comm &   comm,
                    const unsigned int size1,
                    const unsigned int size2);
 
    MPI_Comm
    create_column_comm(const MPI_Comm &   comm,
                       const unsigned int size1,
                       const unsigned int size2);
 
  } // namespace mpi
} // namespace hyperdeal
 
#endif