DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver > Class Template Reference

#include <ScaledGMRES.hh>

Inheritance diagram for DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >:

Public Member Functions
	ScaledLinearSolver ()=default
void	init (const SparseMatrixType &matrix)
bool	invert ()
int	solve (const VectorType &src, VectorType &dst, const double tol)
double	estimate_scaled_rcond (const SparseMatrixType &, const unsigned int max_iterations=5) const
Public Member Functions inherited from DiFfRG::AbstractLinearSolver< SparseMatrixType, VectorType >
	AbstractLinearSolver ()
void	set_report_port (ReportPort port)
void	init (const SparseMatrixType &matrix)
bool	invert ()
int	solve (const VectorType &src, const VectorType &dst, const double tol)

Static Public Attributes
static constexpr bool	performs_factorization = InnerSolver::performs_factorization

Private Member Functions
void	build_scaling (const SparseMatrixType &matrix)
void	build_scaled_matrix (const SparseMatrixType &matrix)

Static Private Member Functions
static double	safe_inverse_sqrt (const double norm)

Private Attributes
bool	initialized = false
SparseMatrixType	scaled_matrix
std::vector< double >	row_scale
std::vector< double >	col_scale
InnerSolver	inner_solver

Additional Inherited Members
Protected Attributes inherited from DiFfRG::AbstractLinearSolver< SparseMatrixType, VectorType >
ReportPort	report_port

Constructor & Destructor Documentation

ScaledLinearSolver()

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::ScaledLinearSolver ( )

default

Member Function Documentation

build_scaled_matrix()

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

void DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::build_scaled_matrix ( const SparseMatrixType & matrix )

inlineprivate

build_scaling()

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

void DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::build_scaling ( const SparseMatrixType & matrix )

inlineprivate

estimate_scaled_rcond()

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

double DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::estimate_scaled_rcond ( const SparseMatrixType & , const unsigned int max_iterations = 5 ) const

inline

init()

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

void DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::init ( const SparseMatrixType & matrix )

inline

invert()

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

bool DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::invert ( )

inline

safe_inverse_sqrt()

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

static double DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::safe_inverse_sqrt ( const double norm )

inlinestaticprivate

solve()

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

int DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::solve ( const VectorType & src, VectorType & dst, const double tol )

inline

Member Data Documentation

col_scale

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

std::vector<double> DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::col_scale

private

initialized

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

bool DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::initialized = false

private

inner_solver

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

InnerSolver DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::inner_solver

private

performs_factorization

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

bool DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::performs_factorization = InnerSolver::performs_factorization

staticconstexpr

row_scale

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

std::vector<double> DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::row_scale

private

scaled_matrix

template<typename SparseMatrixType , typename VectorType , typename InnerSolver = GMRES<SparseMatrixType, VectorType, dealii::PreconditionIdentity>>

SparseMatrixType DiFfRG::ScaledLinearSolver< SparseMatrixType, VectorType, InnerSolver >::scaled_matrix

private

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

• /home/runner/work/DiFfRG_current/DiFfRG_current/DiFfRG/include/DiFfRG/timestepping/linear_solver/ScaledGMRES.hh