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MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node > Class Template Reference

Classical smoothed aggregation dropping criterion. More...

#include <MueLu_ClassicalDropping.hpp>

Public Member Functions

 SAFunctor (matrix_type &A_, magnitudeType threshold, results_view &results_)
 
KOKKOS_FORCEINLINE_FUNCTION void operator() (const local_ordinal_type rlid) const
 

Private Types

using matrix_type = Xpetra::Matrix< Scalar, LocalOrdinal, GlobalOrdinal, Node >
 
using diag_vec_type = Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node >
 
using local_matrix_type = typename matrix_type::local_matrix_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_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 ATS = Kokkos::ArithTraits< scalar_type >
 
using magnitudeType = typename ATS::magnitudeType
 
using boundary_nodes_view = Kokkos::View< const bool *, memory_space >
 

Private Attributes

local_matrix_type A
 
Teuchos::RCP< diag_vec_type > diagVec
 
diag_view_type diag
 
magnitudeType eps
 
results_view results
 

Detailed Description

template<class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
class MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >

Classical smoothed aggregation dropping criterion.

Evaluates the dropping criterion

\[ \frac{|A_{ij}|^2}{|A_{ii}| |A_{jj}|} \le \theta^2 \]

Definition at line 31 of file MueLu_ClassicalDropping.hpp.

Member Typedef Documentation

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::matrix_type = Xpetra::Matrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>
private

Definition at line 33 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::diag_vec_type = Xpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>
private

Definition at line 34 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::local_matrix_type = typename matrix_type::local_matrix_type
private

Definition at line 35 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::scalar_type = typename local_matrix_type::value_type
private

Definition at line 36 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::local_ordinal_type = typename local_matrix_type::ordinal_type
private

Definition at line 37 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::memory_space = typename local_matrix_type::memory_space
private

Definition at line 38 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::diag_view_type = typename Kokkos::DualView<const scalar_type*, Kokkos::LayoutStride, typename Node::device_type, Kokkos::MemoryUnmanaged>::t_dev
private

Definition at line 39 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::results_view = Kokkos::View<DecisionType*, memory_space>
private

Definition at line 41 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::ATS = Kokkos::ArithTraits<scalar_type>
private

Definition at line 43 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::magnitudeType = typename ATS::magnitudeType
private

Definition at line 44 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
using MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::boundary_nodes_view = Kokkos::View<const bool*, memory_space>
private

Definition at line 45 of file MueLu_ClassicalDropping.hpp.

Constructor & Destructor Documentation

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::SAFunctor ( matrix_type &  A_,
magnitudeType  threshold,
results_view &  results_ 
)
inline

Definition at line 54 of file MueLu_ClassicalDropping.hpp.

Member Function Documentation

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
KOKKOS_FORCEINLINE_FUNCTION void MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::operator() ( const local_ordinal_type  rlid) const
inline

Definition at line 64 of file MueLu_ClassicalDropping.hpp.

Member Data Documentation

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
local_matrix_type MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::A
private

Definition at line 47 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
Teuchos::RCP<diag_vec_type> MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::diagVec
private

Definition at line 48 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
diag_view_type MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::diag
private

Definition at line 49 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
magnitudeType MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::eps
private

Definition at line 50 of file MueLu_ClassicalDropping.hpp.

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
results_view MueLu::ClassicalDropping::SAFunctor< Scalar, LocalOrdinal, GlobalOrdinal, Node >::results
private

Definition at line 51 of file MueLu_ClassicalDropping.hpp.

The documentation for this class was generated from the following file: