openmpi.h

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#ifndef MPI_H
#define MPI_H

/*
 * Copyright (c) 2014 Christoph Schuette.
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution
 */

#include <memory>

namespace math {
    class CFunction;
}

namespace mpi {
    class OpenMPI {
    public:
        static OpenMPI& getInstance();
        friend class std::auto_ptr<OpenMPI>;

        int getRank() const {
            return m_rank;
        }
        int getSize() const {
            return m_size;
        }

        //network operations
        void send(int target, int source, math::CFunction& f);
        
        void send(int target, int source, double &v);
        
        void combine(math::CFunction& f);
        
        void sync(math::CFunction& f, int master);
        
        void sync(double& v, int master);
        
        void sync();


    protected:
        OpenMPI();
        virtual ~OpenMPI();
        static std::auto_ptr< OpenMPI > m_ptr;
        int m_rank;
        int m_size;
    };
#define HEAD if(!mpi::OpenMPI::getInstance().getRank())
}
#endif // MPI_H