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MueLu_UtilitiesBase_def.hpp
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46 #ifndef MUELU_UTILITIESBASE_DEF_HPP
47 #define MUELU_UTILITIESBASE_DEF_HPP
48 
49 #include "MueLu_ConfigDefs.hpp"
50 
52 
53 namespace MueLu {
54 
55 /*template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
56 Teuchos::ArrayRCP<Scalar>
57 UtilitiesBase<Scalar, LocalOrdinal, GlobalOrdinal, Node>::
58  GetMatrixDiagonal(const Xpetra::Matrix<Scalar,LocalOrdinal,GlobalOrdinal,Node>& A) {
59  size_t numRows = A.getRowMap()->getNodeNumElements();
60  Teuchos::ArrayRCP<Scalar> diag(numRows);
61  Teuchos::ArrayView<const LocalOrdinal> cols;
62  Teuchos::ArrayView<const Scalar> vals;
63  for (size_t i = 0; i < numRows; ++i) {
64  A.getLocalRowView(i, cols, vals);
65  LocalOrdinal j = 0;
66  for (; j < cols.size(); ++j) {
67  if (Teuchos::as<size_t>(cols[j]) == i) {
68  diag[i] = vals[j];
69  break;
70  }
71  }
72  if (j == cols.size()) {
73  // Diagonal entry is absent
74  diag[i] = Teuchos::ScalarTraits<Scalar>::zero();
75  }
76  }
77  return diag;
78 }*/
79 
80 } //namespace MueLu
81 
82 #define MUELU_UTILITIESBASE_SHORT
83 #endif // MUELU_UTILITIESBASE_DEF_HPP
84 
85 // LocalWords: LocalOrdinal