46#ifndef MUELU_PREDROPFUNCTIONCONSTVAL_DEF_HPP
47#define MUELU_PREDROPFUNCTIONCONSTVAL_DEF_HPP
49#include <Xpetra_CrsGraphFactory.hpp>
52#include "MueLu_Graph.hpp"
53#include "Teuchos_ScalarTraits.hpp"
57 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
59 : threshold_(threshold) { }
61 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
63 if(Teuchos::ScalarTraits<Scalar>::magnitude(vals[k]) > Teuchos::ScalarTraits<Scalar>::magnitude(threshold_) || grow == gcid ) {
69 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
75 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
77 std::ostringstream out;
78 out <<
"PreDropFunctionConstVal: threshold = " << threshold_ << std::endl;
92#define MUELU_PREDROPFUNCTIONCONSTVAL_SHORT
MueLu::DefaultLocalOrdinal LocalOrdinal
MueLu::DefaultScalar Scalar
MueLu::DefaultGlobalOrdinal GlobalOrdinal
PreDropFunctionConstVal(const Scalar threshold=0.0)
Constructor.
Scalar GetThreshold() const
Return threshold value.
std::string description() const
Return a simple one-line description of this object.
bool 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)
Namespace for MueLu classes and methods.