TLUInvMatrix Class Reference

Represents the inverse of a LU factored matrix. More...

#include <TLUInvMatrix.hh>

Inheritance diagram for TLUInvMatrix:

Public Member Functions
	TLUInvMatrix (const TMatrix *afac_matrix, const eval_type_t aeval_type=CFG::Arith::eval_type, const bool external_memory=true)
	TLUInvMatrix (const TScalarVector *D1, const TMatrix *afac_matrix, const TScalarVector *D2, const eval_type_t aeval_type=CFG::Arith::eval_type, const bool external_memory=true)
virtual	~TLUInvMatrix ()
	dtor
virtual void	solve (TVector *x, const matop_t op) const
Public Member Functions inherited from TFacInvMatrix
	TFacInvMatrix (const TMatrix *afac_matrix, const eval_type_t aeval_type=CFG::Arith::eval_type, const bool external_memory=true)
	TFacInvMatrix (const TScalarVector *D1, const TMatrix *afac_matrix, const TScalarVector *D2, const eval_type_t aeval_type=CFG::Arith::eval_type, const bool external_memory=true)
virtual	~TFacInvMatrix ()
	dtor
const TMatrix *	matrix () const
	access factorised matrix
bool	has_scaling () const
	return true if diagonal scaling is used
const TScalarVector &	scaling_left () const
	return left scaling matrix
const TScalarVector &	scaling_right () const
	return right scaling matrix
eval_type_t	eval_type () const
	return evaluation type (pointwise/blockwise)
bool	is_complex () const
	return true, if field type is complex
bool	is_self_adjoint () const
	return true, of operator is self adjoint
virtual void	apply (const TVector *x, TVector *y, const matop_t op) const
virtual void	apply_add (const real alpha, const TVector *x, TVector *y, const matop_t op) const
virtual TVector *	domain_vector () const
	return vector in domain space
virtual TVector *	range_vector () const
	return vector in range space

Detailed Description

Evaluates .

Constructor & Destructor Documentation

TLUInvMatrix ( const TMatrix *  afac_matrix, const eval_type_t  aeval_type = CFG::Arith::eval_type, const bool  external_memory = true  )

inline

construct inverse operator with LU factorised matrix afac_matrix (no diagonal scaling applied)

TLUInvMatrix ( const TScalarVector *  D1, const TMatrix *  afac_matrix, const TScalarVector *  D2, const eval_type_t  aeval_type = CFG::Arith::eval_type, const bool  external_memory = true  )

inline

construct inverse operator with LU factorised matrix afac_matrix and additional row and column scaling factors D1 and D2

Member Function Documentation

virtual void solve ( TVector *  x, const matop_t  op  ) const

virtual

solve op(A) x = y with given y (supplied in x)

Implements TFacInvMatrix.