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// Definition of Epetra_Map objects

#include "Didasko_ConfigDefs.h"
#if defined(HAVE_DIDASKO_EPETRA)

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

int main(int argc, char *argv[])
{

#ifdef HAVE_MPI
  MPI_Init(&argc, &argv);
  Epetra_MpiComm Comm(MPI_COMM_WORLD);
#else
  Epetra_SerialComm Comm;
#endif

  // global number of points in the map
  int NumGlobalPoint = 4;

  // create a map given the global number of points (any positive number)
  Epetra_Map Map1(NumGlobalPoint,0,Comm);

  // Epetra_Map overloads the << operator
  cout << Map1;

  // now create a map given the local number of points
  int NumMyPoints = Comm.MyPID();
  Epetra_Map Map2(-1,NumMyPoints,0,Comm);

  cout << Map2;

#ifdef HAVE_MPI
  MPI_Finalize();
#endif

  return(EXIT_SUCCESS);

} /* main */

#else

#include <stdlib.h>
#include <stdio.h>
#ifdef HAVE_MPI
#include "mpi.h"
#endif

int main(int argc, char *argv[])
{
#ifdef HAVE_MPI
  MPI_Init(&argc, &argv);
#endif

  puts("Please configure Didasko with:\n"
      "--enable-epetra");

#ifdef HAVE_MPI
  MPI_Finalize();
#endif
  return 0;
}

#endif