/usr/include/trilinos/MueLu_PreDropFunctionConstVal_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,
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// @HEADER
#ifndef MUELU_PREDROPFUNCTIONCONSTVAL_DEF_HPP
#define MUELU_PREDROPFUNCTIONCONSTVAL_DEF_HPP
#include <Xpetra_CrsGraphFactory.hpp>
#include "MueLu_PreDropFunctionConstVal_decl.hpp"
#include "MueLu_Graph.hpp"
#include "Teuchos_ScalarTraits.hpp"
namespace MueLu {
template <class Scalar,class LocalOrdinal, class GlobalOrdinal, class Node>
PreDropFunctionConstVal<Scalar, LocalOrdinal, GlobalOrdinal, Node>::PreDropFunctionConstVal(const Scalar threshold)
: threshold_(threshold) { }
template <class Scalar,class LocalOrdinal, class GlobalOrdinal, class Node>
bool PreDropFunctionConstVal<Scalar, LocalOrdinal, GlobalOrdinal, Node>::Drop(size_t lrow, GlobalOrdinal grow, size_t k, LocalOrdinal lcid, GlobalOrdinal gcid, const Teuchos::ArrayView<const LocalOrdinal> & indices, const Teuchos::ArrayView<const Scalar> & vals) {
if(Teuchos::ScalarTraits<Scalar>::magnitude(vals[k]) > Teuchos::ScalarTraits<Scalar>::magnitude(threshold_) || grow == gcid ) {
return false; // keep values
}
return true; // values too small -> drop them
}
template <class Scalar,class LocalOrdinal, class GlobalOrdinal, class Node>
Scalar PreDropFunctionConstVal<Scalar, LocalOrdinal, GlobalOrdinal, Node>::GetThreshold() const {
return threshold_;
}
template <class Scalar,class LocalOrdinal, class GlobalOrdinal, class Node>
std::string PreDropFunctionConstVal<Scalar, LocalOrdinal, GlobalOrdinal, Node>::description() const {
std::ostringstream out;
out << "PreDropFunctionConstVal: threshold = " << threshold_ << std::endl;
return out.str();
}
/*template <class Scalar,class LocalOrdinal, class GlobalOrdinal, class Node>
void PreDropFunctionConstVal<Scalar, LocalOrdinal, GlobalOrdinal, Node>::describe(Teuchos::FancyOStream &out, const VerbLevel verbLevel) const {
MUELU_DESCRIBE;
if (verbLevel & Parameters0) {
out0 << "PreDropFunctionConstVal: threshold = " << threshold_ << std::endl;
}
}*/
}
#define MUELU_PREDROPFUNCTIONCONSTVAL_SHORT
#endif // MUELU_PREDROPFUNCTIONCONSTVAL_DEF_HPP
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