Dumux::LinearSolver Class Reference

Base class for linear solvers.

#include <dumux/linear/solver.hh>

Inheritance diagram for Dumux::LinearSolver:

Public Types
using	Scalar = double

Public Member Functions
	LinearSolver (const std::string &paramGroup="")
	Construct the solver.
template<class Matrix, class Vector>
bool	solve (const Matrix &A, Vector &x, const Vector &b)
	Solve the linear system Ax = b.
template<class Vector>
auto	norm (const Vector &x) const
std::string	name () const
	the name of the linear solver
const std::string &	paramGroup () const
	the parameter group for getting parameter from the parameter tree
int	verbosity () const
	the verbosity level
void	setVerbosity (int v)
	set the verbosity level
int	maxIter () const
	the maximum number of linear solver iterations
void	setMaxIter (int i)
	set the maximum number of linear solver iterations
Scalar	residReduction () const
	the linear solver residual reduction
void	setResidualReduction (Scalar r)
	set the linear solver residual reduction
Scalar	relaxation () const
	the linear solver relaxation factor
void	setRelaxation (Scalar r)
	set the linear solver relaxation factor
int	precondIter () const
	the number of preconditioner iterations
void	setPrecondIter (int i)
	set the number of preconditioner iterations
int	precondVerbosity () const
	the preconditioner verbosity
void	setPrecondVerbosity (int verbosityLevel)
	set the preconditioner verbosity

Member Typedef Documentation

Scalar

using Dumux::LinearSolver::Scalar = double

export Scalar type (might be needed to set parameters from output) TODO: Do we need this?

Constructor & Destructor Documentation

LinearSolver()

Dumux::LinearSolver::LinearSolver ( const std::string & paramGroup = "" )

inline

Note

Read parameters from the parameter tree

• LinearSolver.Verbosity the verbosity level of the linear solver
• LinearSolver.MaxIterations the maximum iterations of the solver
• LinearSolver.ResidualReduction the residual reduction threshold, i.e. stopping criterion
• LinearSolver.Preconditioner.Relaxation precondition relaxation
• LinearSolver.Preconditioner.Iterations the number of preconditioner iterations
• LinearSolver.Preconditioner.Verbosity the preconditioner verbosity level

Member Function Documentation

maxIter()

int Dumux::LinearSolver::maxIter ( ) const

inline

name()

std::string Dumux::LinearSolver::name ( ) const

inline

norm()

template<class Vector>

auto Dumux::LinearSolver::norm ( const Vector & x ) const

inline

paramGroup()

const std::string & Dumux::LinearSolver::paramGroup ( ) const

inline

precondIter()

int Dumux::LinearSolver::precondIter ( ) const

inline

precondVerbosity()

int Dumux::LinearSolver::precondVerbosity ( ) const

inline

relaxation()

Scalar Dumux::LinearSolver::relaxation ( ) const

inline

residReduction()

Scalar Dumux::LinearSolver::residReduction ( ) const

inline

setMaxIter()

void Dumux::LinearSolver::setMaxIter ( int i )

inline

setPrecondIter()

void Dumux::LinearSolver::setPrecondIter ( int i )

inline

setPrecondVerbosity()

void Dumux::LinearSolver::setPrecondVerbosity ( int verbosityLevel )

inline

setRelaxation()

void Dumux::LinearSolver::setRelaxation ( Scalar r )

inline

setResidualReduction()

void Dumux::LinearSolver::setResidualReduction ( Scalar r )

inline

setVerbosity()

void Dumux::LinearSolver::setVerbosity ( int v )

inline

solve()

template<class Matrix, class Vector>

bool Dumux::LinearSolver::solve ( const Matrix & A, Vector & x, const Vector & b )

inline

Note

This has to be overloaded by the actual solver

verbosity()

int Dumux::LinearSolver::verbosity ( ) const

inline

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

• solver.hh