Environment.cpp

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//
// Class Environment
//
#include "Ippl.h"
 
#include "Environment.h"
 
namespace ippl {
    namespace mpi {
 
        Environment::Environment(int& argc, char**& argv, const MPI_Comm& comm)
            : comm_m(comm) {
            if (!initialized()) {
                MPI_Init(&argc, &argv);
            }
        }
 
        Environment::~Environment() {
            if (!finalized()) {
                MPI_Finalize();
            }
        }
 
        bool Environment::initialized() {
            int flag = 0;
            MPI_Initialized(&flag);
            return (flag != 0);
        }
 
        bool Environment::finalized() {
            int flag = 0;
            MPI_Finalized(&flag);
            return (flag != 0);
        }
    }  // namespace mpi
}  // namespace ippl