initialize_finalize.hpp

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//This file is part of Bertini 2.
//
//bertini2/parallel/initialize_finalize.hpp 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.
//
//bertini2/parallel/initialize_finalize.hpp 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 bertini2/parallel/initialize_finalize.hpp.  If not, see <http://www.gnu.org/licenses/>.
//
// Copyright(C) Bertini2 Development Team
//
// See <http://www.gnu.org/licenses/> for a copy of the license,
// as well as COPYING.  Bertini2 is provided with permitted
// additional terms in the b2/licenses/ directory.
 

 
 
#pragma once
 
#include <iostream>
 
#include "bertini2/logging.hpp"
#include "bertini2/io/splash.hpp"
 
#ifdef BERTINI2_HAVE_MPI
#include "bertini2/parallel/mpi_include.hpp"
#endif
 
namespace bertini{
 
    namespace parallel{

    void Finalize();
    void Initialize();
 
#ifdef BERTINI2_HAVE_MPI
    MPI_Comm WorldComm();
#endif
 
    // These work in both serial and parallel builds.
    // In serial builds (no MPI) they return constants matching a single-rank world.
    int  Rank();
    int  Size();
    bool IsManager();   // true iff Rank() == 0
    bool IsWorker();    // true iff Rank() != 0
 
    }
 
    namespace serial{
        void Finalize();
        void Initialize();
    }
}