int MyProc(const cGH *restrict cctkGH) { return ParallelDescriptor::MyProc(); }

int MyProc(const cGH *restrict cctkGH) {
  if (pamrex) {
    return ParallelDescriptor::MyProc();
  } else {
    int rank;
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
    return rank;
  }
}

int nProcs(const cGH *restrict cctkGH) { return ParallelDescriptor::NProcs(); }

int nProcs(const cGH *restrict cctkGH) {
  if (pamrex) {
    return ParallelDescriptor::NProcs();
  } else {
    int size;
    MPI_Comm_size(MPI_COMM_WORLD, &size);
    return size;
  }
}

  if (pamrex) {

  } else {
    MPI_Abort(MPI_COMM_WORLD, retval);
  }

  if (pamrex) {

  } else {
    MPI_Abort(MPI_COMM_WORLD, retval);
  }

  assert(pamrex);