Orders entries of row \(i\) by \(\frac{|A_{ij}|^2}{|A_{ii}| |A_{jj}|}\). More...

#include <MueLu_CutDrop.hpp>

Classes
struct	Comparator

Public Types
using	matrix_type = Xpetra::Matrix< Scalar, LocalOrdinal, GlobalOrdinal, Node >

using	local_matrix_type = typename matrix_type::local_matrix_device_type

using	scalar_type = typename local_matrix_type::value_type

using	local_ordinal_type = typename local_matrix_type::ordinal_type

using	memory_space = typename local_matrix_type::memory_space

using	diag_vec_type = Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node >

using	diag_view_type = typename Kokkos::DualView< const scalar_type *, Kokkos::LayoutStride, typename Node::device_type, Kokkos::MemoryUnmanaged >::t_dev

using	results_view = Kokkos::View< DecisionType *, memory_space >

using	comparator_type = Comparator< local_matrix_type, diag_view_type >

Public Member Functions
	ScaledComparison (matrix_type &A_, results_view &results_)

KOKKOS_INLINE_FUNCTION comparator_type	getComparator (local_ordinal_type rlid) const

Public Attributes
local_matrix_type	A

results_view	results

Private Types
using	ATS = Kokkos::ArithTraits< scalar_type >

using	magnitudeType = typename ATS::magnitudeType

using	values_view = Kokkos::View< magnitudeType *, memory_space >

Private Attributes
Teuchos::RCP< diag_vec_type >	diagVec

diag_view_type	diag

values_view	values

Detailed Description

template<class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node, Misc::StrengthMeasure measure>
class MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >

Orders entries of row \(i\) by \(\frac{|A_{ij}|^2}{|A_{ii}| |A_{jj}|}\).

Definition at line 145 of file MueLu_CutDrop.hpp.

Member Typedef Documentation

◆ matrix_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::matrix_type = Xpetra::Matrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>

Definition at line 147 of file MueLu_CutDrop.hpp.

◆ local_matrix_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::local_matrix_type = typename matrix_type::local_matrix_device_type

Definition at line 148 of file MueLu_CutDrop.hpp.

◆ scalar_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::scalar_type = typename local_matrix_type::value_type

Definition at line 149 of file MueLu_CutDrop.hpp.

◆ local_ordinal_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::local_ordinal_type = typename local_matrix_type::ordinal_type

Definition at line 150 of file MueLu_CutDrop.hpp.

◆ memory_space

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::memory_space = typename local_matrix_type::memory_space

Definition at line 151 of file MueLu_CutDrop.hpp.

◆ diag_vec_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::diag_vec_type = Xpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>

Definition at line 152 of file MueLu_CutDrop.hpp.

◆ diag_view_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::diag_view_type = typename Kokkos::DualView<const scalar_type*, Kokkos::LayoutStride, typename Node::device_type, Kokkos::MemoryUnmanaged>::t_dev

Definition at line 153 of file MueLu_CutDrop.hpp.

◆ results_view

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::results_view = Kokkos::View<DecisionType*, memory_space>

Definition at line 154 of file MueLu_CutDrop.hpp.

◆ ATS

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::ATS = Kokkos::ArithTraits<scalar_type>

private

Definition at line 163 of file MueLu_CutDrop.hpp.

◆ magnitudeType

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::magnitudeType = typename ATS::magnitudeType

private

Definition at line 165 of file MueLu_CutDrop.hpp.

◆ values_view

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::values_view = Kokkos::View<magnitudeType*, memory_space>

private

Definition at line 169 of file MueLu_CutDrop.hpp.

◆ comparator_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

using MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::comparator_type = Comparator<local_matrix_type, diag_view_type>

Definition at line 284 of file MueLu_CutDrop.hpp.

Constructor & Destructor Documentation

◆ ScaledComparison()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::ScaledComparison	(	matrix_type &	A_,
		results_view &	results_
	)

inline

Definition at line 173 of file MueLu_CutDrop.hpp.

Member Function Documentation

◆ getComparator()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node , Misc::StrengthMeasure measure>

KOKKOS_INLINE_FUNCTION comparator_type MueLu::CutDrop::ScaledComparison< Scalar, LocalOrdinal, GlobalOrdinal, Node, measure >::getComparator ( local_ordinal_type rlid ) const