/usr/include/trilinos/MueLu_UtilitiesBase_def.hpp is in libtrilinos-muelu-dev 12.10.1-3.
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//
// ***********************************************************************
//
// 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.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
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// 2. Redistributions in binary form must reproduce the above copyright
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// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// Questions? Contact
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// Andrey Prokopenko (aprokop@sandia.gov)
// Ray Tuminaro (rstumin@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
#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
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