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Ifpack_DiagPreconditioner Class Reference

Ifpack_DiagPreconditioner: a class for diagonal preconditioning. More...

#include <Ifpack_DiagPreconditioner.h>

Inheritance diagram for Ifpack_DiagPreconditioner:
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Public Member Functions

 Ifpack_DiagPreconditioner (const Epetra_Map &DomainMap, const Epetra_Map &RangeMap, const Epetra_Vector &diag)
 ctor
 
 ~Ifpack_DiagPreconditioner ()
 dtor
 
int SetUseTranspose (bool UseTranspose_in)
 
int Apply (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const
 
int ApplyInverse (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const
 
double NormInf () const
 
const char * Label () const
 
bool UseTranspose () const
 
bool HasNormInf () const
 
const Epetra_CommComm () const
 
const Epetra_MapOperatorDomainMap () const
 
const Epetra_MapOperatorRangeMap () const
 
const Epetra_BlockMapMap () const
 
virtual int SetUseTranspose (bool UseTranspose)=0
 
virtual int Apply (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const=0
 
virtual int ApplyInverse (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const=0
 
virtual double NormInf () const=0
 
virtual const char * Label () const=0
 
virtual bool UseTranspose () const=0
 
virtual bool HasNormInf () const=0
 
virtual const Epetra_CommComm () const=0
 
virtual const Epetra_MapOperatorDomainMap () const=0
 
virtual const Epetra_MapOperatorRangeMap () const=0
 
virtual int SetUseTranspose (bool UseTranspose)=0
 
virtual int Apply (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const=0
 
virtual int ApplyInverse (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const=0
 
virtual double NormInf () const=0
 
virtual const char * Label () const=0
 
virtual bool UseTranspose () const=0
 
virtual bool HasNormInf () const=0
 
virtual const Epetra_CommComm () const=0
 
virtual const Epetra_MapOperatorDomainMap () const=0
 
virtual const Epetra_MapOperatorRangeMap () const=0
 

Detailed Description

Ifpack_DiagPreconditioner: a class for diagonal preconditioning.

Definition at line 67 of file Ifpack_DiagPreconditioner.h.

Constructor & Destructor Documentation

◆ Ifpack_DiagPreconditioner()

Ifpack_DiagPreconditioner::Ifpack_DiagPreconditioner ( const Epetra_Map DomainMap,
const Epetra_Map RangeMap,
const Epetra_Vector diag 
)

ctor

Definition at line 52 of file Ifpack_DiagPreconditioner.cpp.

◆ ~Ifpack_DiagPreconditioner()

Ifpack_DiagPreconditioner::~Ifpack_DiagPreconditioner ( )

dtor

Definition at line 63 of file Ifpack_DiagPreconditioner.cpp.

Member Function Documentation

◆ Apply()

int Ifpack_DiagPreconditioner::Apply ( const Epetra_MultiVector X,
Epetra_MultiVector Y 
) const
virtual

Implements Epetra_Operator.

Definition at line 68 of file Ifpack_DiagPreconditioner.cpp.

◆ ApplyInverse()

int Ifpack_DiagPreconditioner::ApplyInverse ( const Epetra_MultiVector X,
Epetra_MultiVector Y 
) const
virtual

Y.ReciprocalMultiply(1.0, diag_, X, 0.0);

Implements Epetra_Operator.

Definition at line 74 of file Ifpack_DiagPreconditioner.cpp.

References Epetra_MultiVector::MyLength(), and Epetra_MultiVector::NumVectors().

◆ Comm()

const Epetra_Comm & Ifpack_DiagPreconditioner::Comm ( ) const
inlinevirtual

Implements Epetra_Operator.

Definition at line 109 of file Ifpack_DiagPreconditioner.h.

◆ HasNormInf()

bool Ifpack_DiagPreconditioner::HasNormInf ( ) const
inlinevirtual

Implements Epetra_Operator.

Definition at line 104 of file Ifpack_DiagPreconditioner.h.

◆ Label()

const char * Ifpack_DiagPreconditioner::Label ( ) const
inlinevirtual

Implements Epetra_Operator.

Definition at line 94 of file Ifpack_DiagPreconditioner.h.

◆ Map()

const Epetra_BlockMap & Ifpack_DiagPreconditioner::Map ( ) const
inline

Definition at line 124 of file Ifpack_DiagPreconditioner.h.

◆ NormInf()

double Ifpack_DiagPreconditioner::NormInf ( ) const
inlinevirtual

Implements Epetra_Operator.

Definition at line 89 of file Ifpack_DiagPreconditioner.h.

◆ OperatorDomainMap()

const Epetra_Map & Ifpack_DiagPreconditioner::OperatorDomainMap ( ) const
inlinevirtual

Implements Epetra_Operator.

Definition at line 114 of file Ifpack_DiagPreconditioner.h.

◆ OperatorRangeMap()

const Epetra_Map & Ifpack_DiagPreconditioner::OperatorRangeMap ( ) const
inlinevirtual

Implements Epetra_Operator.

Definition at line 119 of file Ifpack_DiagPreconditioner.h.

◆ SetUseTranspose()

int Ifpack_DiagPreconditioner::SetUseTranspose ( bool  UseTranspose_in)
inlinevirtual

Implements Epetra_Operator.

Definition at line 79 of file Ifpack_DiagPreconditioner.h.

◆ UseTranspose()

bool Ifpack_DiagPreconditioner::UseTranspose ( ) const
inlinevirtual

Implements Epetra_Operator.

Definition at line 99 of file Ifpack_DiagPreconditioner.h.


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