source: ThirdParty/vmg/src/comm/mpi/datatypes_global.cpp

/*
 *    vmg - a versatile multigrid solver
 *    Copyright (C) 2012 Institute for Numerical Simulation, University of Bonn
 *
 *  vmg is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  vmg is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * @file   datatypes_global.cpp
 * @author Julian Iseringhausen <isering@ins.uni-bonn.de>
 * @date   Tue Apr 09 12:19:58 2013
 *
 * @brief  Saves MPI datatypes for global grid communication.
 *
 */

#ifdef HAVE_CONFIG_H
#include "libvmg_config.h"
#endif

#ifdef HAVE_MPI
#include <mpi.h>
#endif

#include <sstream>
#include <string>

#include "comm/mpi/datatypes_global.hpp"

using namespace VMG;

std::string VMG::MPI::DatatypesGlobal::ToString() const
{
  std::stringstream str;
  std::vector<Datatype>::const_iterator iter;

  str << "==== DATATYPES_GLOBAL ====" << std::endl
      << "****      SEND        ****" << std::endl;

  for (iter = send.begin(); iter != send.end(); ++iter)
    str << iter->ToString() << std::endl;

  str << "**************************" << std::endl
      << "****     RECEIVE      ****" << std::endl;

  for (iter = recv.begin(); iter != recv.end(); ++iter)
    str << iter->ToString() << std::endl;

  str << "**************************" << std::endl
      << "==========================";

  return str.str();
}

std::ostream& VMG::MPI::operator<<(std::ostream& out, const VMG::MPI::DatatypesGlobal& dt_global)
{
  return out << dt_global.ToString();
}