main.cpp

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#include "Epetra_ConfigDefs.h"
#ifdef HAVE_MPI
#include "mpi.h"
#include "Epetra_MpiComm.h"
#else
#include "Epetra_SerialComm.h"
#endif

#include "Teuchos_CommandLineProcessor.hpp"
#include "Teuchos_StandardCatchMacros.hpp"
#include "Teuchos_ParameterList.hpp"
#include "Teuchos_XMLParameterListCoreHelpers.hpp"

int main(int argc, char *argv[]){
    
#ifdef HAVE_MPI
    MPI_Init(&argc, &argv);
    Epetra_MpiComm Comm(MPI_COMM_WORLD);
#else
    Epetra_SerialComm Comm;
#endif
    
    std::cout << "Hello from " << Comm.MyPID() << " out of " << Comm.NumProc() << "\n";
    
#ifdef HAVE_MPI
    MPI_Finalize();
#endif
return 0;
    
}