Epetra_MultiVector & toEpetra(MultiVector<double, int, GlobalOrdinal,Node> & x) {
  XPETRA_DYNAMIC_CAST(      EpetraMultiVectorT<GlobalOrdinal COMMA Node>, x, tX, "toEpetra");
  return *tX.getEpetra_MultiVector();
}
 Epetra_MultiVector & toEpetra(MultiVector<double, int, int> & x) {
   XPETRA_DYNAMIC_CAST(      EpetraMultiVector, x, tX, "toEpetra");
   return *tX.getEpetra_MultiVector();
 }