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

#include <TLUInvMatrix.hh>

Inheritance diagram for TLDLInvMatrix:

Public Member Functions
	TLDLInvMatrix (const TMatrix *afac_matrix, const matform_t format, const eval_type_t aeval_type=CFG::Arith::eval_type, const bool external_memory=true)

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

virtual	~TLDLInvMatrix ()
	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 $(LDL^H)^{-1}$ or $(LDL^T)^{-1}$ .

Constructor & Destructor Documentation

TLDLInvMatrix	(	const TMatrix *	afac_matrix,
		const matform_t	format,
		const eval_type_t	aeval_type = `CFG::Arith::eval_type`,
		const bool	external_memory = `true`
	)

inline

construct inverse operator with LDL factorised matrix afac_matrix which has format (symmetric, etc.) (no diagonal scaling applied)

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

inline

construct inverse operator with LDL factorised matrix afac_matrix which has format (symmetric, etc.) 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.

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation