#include <iluprecond.h>

Inheritance diagram for oofem::CompCol_ILUPreconditioner:

Collaboration diagram for oofem::CompCol_ILUPreconditioner:

Public Member Functions
	CompCol_ILUPreconditioner (const SparseMtrx &A, InputRecord &attributes)
	Constructor. Initializes the the receiver (constructs the precontioning matrix M) of given matrix.
	CompCol_ILUPreconditioner ()
	Constructor. The user should call initializeFrom and init services in this given order to ensure consistency.
virtual	~CompCol_ILUPreconditioner (void)
	Destructor.
void	init (const SparseMtrx &) override
void	initialize (const CompCol &A)
void	initialize (const DynCompCol &A)
void	solve (const FloatArray &x, FloatArray &y) const override
void	trans_solve (const FloatArray &x, FloatArray &y) const override
const char *	giveClassName () const override
	Returns the preconditioner name.
void	initializeFrom (InputRecord &ir) override
	Initializes receiver from given record. Empty implementation.
Public Member Functions inherited from oofem::Preconditioner
	Preconditioner (const SparseMtrx &a, InputRecord &attributes)
	Preconditioner ()
virtual	~Preconditioner (void)
	Destructor.
FloatArray	solve (const FloatArray &rhs) const
FloatArray	trans_solve (const FloatArray &rhs) const

Protected Member Functions
void	qsortRow (IntArray &, FloatArray &, int l, int r)
int	qsortRowPartition (IntArray &, FloatArray &, int l, int r)

Private Attributes
FloatArray	l_val
IntArray	l_colptr
IntArray	l_rowind
int	l_nz
FloatArray	u_val
IntArray	u_colptr
IntArray	u_rowind
int	u_nz
int	dim [2]

Detailed Description

Implemantation of ILU (Incomplete LU) Preconditioner. No fill-up - ILU(0).

Definition at line 45 of file iluprecond.h.

Constructor & Destructor Documentation

◆ CompCol_ILUPreconditioner() [1/2]

oofem::CompCol_ILUPreconditioner::CompCol_ILUPreconditioner	(	const SparseMtrx &	A,
		InputRecord &	attributes )

Constructor. Initializes the the receiver (constructs the precontioning matrix M) of given matrix.

Definition at line 42 of file iluprecond.C.

References oofem::Preconditioner::Preconditioner().

◆ CompCol_ILUPreconditioner() [2/2]

oofem::CompCol_ILUPreconditioner::CompCol_ILUPreconditioner ( )

inline

Constructor. The user should call initializeFrom and init services in this given order to ensure consistency.

Definition at line 64 of file iluprecond.h.

References oofem::Preconditioner::Preconditioner().

◆ ~CompCol_ILUPreconditioner()

virtual oofem::CompCol_ILUPreconditioner::~CompCol_ILUPreconditioner ( void )

inlinevirtual

Destructor.

Definition at line 66 of file iluprecond.h.

Member Function Documentation

◆ giveClassName()

const char * oofem::CompCol_ILUPreconditioner::giveClassName ( ) const

inlineoverridevirtual

Returns the preconditioner name.

Reimplemented from oofem::Preconditioner.

Definition at line 76 of file iluprecond.h.

◆ init()

void oofem::CompCol_ILUPreconditioner::init ( const SparseMtrx & a )

overridevirtual

Initializes the receiver (constructs the preconditioning matrix M) of given matrix. Virtual service, to be implemented by derived classes. Should be called after initializeFrom service.

Parameters