45#ifndef __IFPACK2_FILU_DEF_HPP__
46#define __IFPACK2_FILU_DEF_HPP__
48#include "Ifpack2_Details_Filu_decl.hpp"
50#include "Ifpack2_Details_getCrsMatrix.hpp"
51#include <Kokkos_Timer.hpp>
52#include <shylu_fastilu.hpp>
59template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
61Filu(Teuchos::RCP<const TRowMatrix> A) :
62 FastILU_Base<Scalar, LocalOrdinal, GlobalOrdinal, Node>(A) {}
64template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
68 return localPrec_->getNFact();
71template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
75 return localPrec_->getSpTrsvType();
78template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
82 return localPrec_->getNTrisol();
85template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
89 localPrec_->checkILU();
92template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
96 localPrec_->checkIC();
99template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
103 auto nRows = this->mat_->getLocalNumRows();
104 auto& p = this->params_;
105 auto matCrs = Ifpack2::Details::getCrsMatrix(this->mat_);
107 bool skipSortMatrix = !matCrs.is_null() && matCrs->getCrsGraph()->isSorted() &&
109 localPrec_ = Teuchos::rcp(
new LocalFILU(skipSortMatrix, this->localRowPtrs_, this->localColInds_, this->localValues_, nRows, p.sptrsv_algo,
110 p.nFact, p.nTrisol, p.level, p.omega, p.shift, p.guessFlag ? 1 : 0, p.blockSizeILU, p.blockSize));
111 #ifdef HAVE_IFPACK2_METIS
113 localPrec_->setMetisPerm(this->metis_perm_, this->metis_iperm_);
116 localPrec_->initialize();
117 this->initTime_ = localPrec_->getInitializeTime();
120template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
125 localPrec_->setValues(this->localValues_);
126 localPrec_->compute();
127 this->computeTime_ = localPrec_->getComputeTime();
130template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
134 localPrec_->apply(x, y);
136 this->applyTime_ += localPrec_->getApplyTime();
139template<
typename Scalar,
typename LocalOrdinal,
typename GlobalOrdinal,
typename Node>
146#define IFPACK2_DETAILS_FILU_INSTANT(S, L, G, N) \
147template class Ifpack2::Details::Filu<S, L, G, N>;
Provides functions for retrieving local CRS arrays (row pointers, column indices, and values) from Tp...
The base class of the Ifpack2 FastILU wrappers (Filu, Fildl and Fic)
Definition: Ifpack2_Details_FastILU_Base_decl.hpp:74
void applyLocalPrec(ImplScalarArray x, ImplScalarArray y) const
Apply the local preconditioner with 1-D views of the local parts of X and Y (one vector only)
Definition: Ifpack2_Details_Filu_def.hpp:132
int getSweeps() const
Get the sweeps ("nFact") from localPrec_.
Definition: Ifpack2_Details_Filu_def.hpp:66
void checkLocalILU() const
Verify and print debug info about the internal ILU preconditioner.
Definition: Ifpack2_Details_Filu_def.hpp:87
std::string getName() const
Get the name of the underlying preconditioner ("Filu", "Fildl" or "Fic")
Definition: Ifpack2_Details_Filu_def.hpp:141
int getNTrisol() const
Get the number of triangular solves ("nTrisol") from localPrec_.
Definition: Ifpack2_Details_Filu_def.hpp:80
void computeLocalPrec()
Get values array from the matrix and then call compute() on the underlying preconditioner.
Definition: Ifpack2_Details_Filu_def.hpp:122
void checkLocalIC() const
Verify and print debug info about the internal IC preconditioner.
Definition: Ifpack2_Details_Filu_def.hpp:94
Filu(Teuchos::RCP< const TRowMatrix > mat_)
Constructor.
Definition: Ifpack2_Details_Filu_def.hpp:61
void initLocalPrec()
Construct the underlying preconditioner (localPrec_) using given params and then call localPrec_->ini...
Definition: Ifpack2_Details_Filu_def.hpp:101
std::string getSpTrsvType() const
Get the name of triangular solve algorithm.
Definition: Ifpack2_Details_Filu_def.hpp:73
Ifpack2 implementation details.
Preconditioners and smoothers for Tpetra sparse matrices.
Definition: Ifpack2_AdditiveSchwarz_decl.hpp:74