// @HEADER
//
// ***********************************************************************
//
//        MueLu: A package for multigrid based preconditioning
//                  Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
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// Questions? Contact
//                    Jonathan Hu       (jhu@sandia.gov)
//                    Andrey Prokopenko (aprokop@sandia.gov)
//                    Ray Tuminaro      (rstumin@sandia.gov)
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#ifndef MUELU_UTILITIESBASE_DEF_HPP
#define MUELU_UTILITIESBASE_DEF_HPP

#include "MueLu_ConfigDefs.hpp"

#include "MueLu_UtilitiesBase_decl.hpp"

namespace MueLu {

/*template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::ArrayRCP<Scalar>
UtilitiesBase<Scalar, LocalOrdinal, GlobalOrdinal, Node>::
 GetMatrixDiagonal(const Xpetra::Matrix<Scalar,LocalOrdinal,GlobalOrdinal,Node>& A) {
  size_t numRows = A.getRowMap()->getNodeNumElements();
  Teuchos::ArrayRCP<Scalar> diag(numRows);
  Teuchos::ArrayView<const LocalOrdinal> cols;
  Teuchos::ArrayView<const Scalar> vals;
  for (size_t i = 0; i < numRows; ++i) {
    A.getLocalRowView(i, cols, vals);
    LocalOrdinal j = 0;
    for (; j < cols.size(); ++j) {
      if (Teuchos::as<size_t>(cols[j]) == i) {
        diag[i] = vals[j];
        break;
      }
    }
    if (j == cols.size()) {
      // Diagonal entry is absent
      diag[i] = Teuchos::ScalarTraits<Scalar>::zero();
    }
  }
  return diag;
}*/

} //namespace MueLu

#define MUELU_UTILITIESBASE_SHORT
#endif // MUELU_UTILITIESBASE_DEF_HPP

//  LocalWords:  LocalOrdinal
