TItMethod Class Reference

#include <ItMethod.h>

Inheritance diagram for TItMethod:

Collaboration diagram for TItMethod:

Public Member Functions
	TItMethod (MatVecProc *MatVec, DefectProc *Defect, TItMethod *Prec, int n_aux, int N_Unknowns)
virtual	~TItMethod ()
virtual int	Iterate (TSquareMatrix **A, TMatrix **B, double *sol, double *rhs)=0
int	GetSystemId () const
int	GetPrecMaxit () const
void	SetPrecMaxit (int Prec_Maxit)
double	GetResNormMin () const
void	SetResNormMin (double Res_Norm_Min)
double	GetRedFactor () const
void	SetRedFactor (double Red_Factor)
double	GetDivFactor () const
void	SetDivFactor (double Div_Factor)
int	GetMaxit () const
void	SetMaxit (int Maxit)
int	GetMinit () const
void	SetMinit (int Minit)
int	GetRestart () const
void	SetRestart (int Restart)

Protected Attributes
MatVecProc *	matvec
DefectProc *	matvecdefect
TItMethod *	prec
int	N_DOF
int	system_id
int	prec_maxit
double	res_norm_min
double	red_factor
double	div_factor
int	maxit
int	minit
int	restart
double *	defect
double **	AuxArray
int	N_Aux

Detailed Description

iteration method

Constructor & Destructor Documentation

TItMethod::TItMethod	(	MatVecProc *	MatVec,
		DefectProc *	Defect,
		TItMethod *	Prec,
		int	n_aux,
		int	N_Unknowns
	)

constructor

constructor with initialization

TItMethod::~TItMethod ( )

virtual

destructor

Member Function Documentation

double TItMethod::GetDivFactor ( ) const

inline

return tolerance for divergence

int TItMethod::GetMaxit ( ) const

inline

return maximal number of iterations

int TItMethod::GetMinit ( ) const

inline

return minimal number of iterations

int TItMethod::GetPrecMaxit ( ) const

inline

return maximal number of preconditioner iterations

double TItMethod::GetRedFactor ( ) const

inline

return relative tolerance for stopping

double TItMethod::GetResNormMin ( ) const

inline

return absolute tolerance for stopping

int TItMethod::GetRestart ( ) const

inline

return restart

int TItMethod::GetSystemId ( ) const

inline

return system id

virtual int TItMethod::Iterate ( TSquareMatrix **  A, TMatrix **  B, double *  sol, double *  rhs  )

pure virtual

iterate input **A, **B output (solution) *sol input (rhs) *rhs

Implemented in TFgmresIte, TFixedPointIte, TMultiGridScaIte, TJacobiIte, TMultiGridIte, TCg, TSSORIte, and TBcgs.

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void TItMethod::SetDivFactor ( double  Div_Factor )

inline

set tolerance for divergence

void TItMethod::SetMaxit ( int  Maxit )

inline

set maximal number of iterations

void TItMethod::SetMinit ( int  Minit )

inline

set minimal number of iterations

void TItMethod::SetPrecMaxit ( int  Prec_Maxit )

inline

set maximal number of preconditioner iterations

void TItMethod::SetRedFactor ( double  Red_Factor )

inline

set relative tolerance for stopping

void TItMethod::SetResNormMin ( double  Res_Norm_Min )

inline

set absolute tolerance for stopping

void TItMethod::SetRestart ( int  Restart )

inline

set restart

Member Data Documentation

double** TItMethod::AuxArray

protected

auxiliary arrays

double* TItMethod::defect

protected

array for defect

double TItMethod::div_factor

protected

limit divergence

MatVecProc* TItMethod::matvec

protected

routine for matrix vector product

DefectProc* TItMethod::matvecdefect

protected

routine for defect

int TItMethod::maxit

protected

maximal number of iterations

int TItMethod::minit

protected

minimal number of iterations

int TItMethod::N_Aux

protected

number of auxiliary arrays

int TItMethod::N_DOF

protected

number of degrees of freedom

TItMethod* TItMethod::prec

protected

preconditioner

int TItMethod::prec_maxit

protected

maximal number of preconditioner iterations

double TItMethod::red_factor

protected

relative tolerance for stopping

double TItMethod::res_norm_min

protected

absolute tolerance for stopping

int TItMethod::restart

protected

restart

int TItMethod::system_id

protected

id of the system type

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

• include/FE/ItMethod.h
• src/FE/ItMethod.C