Dune::Fem::DiagonalPreconditioner< DFImp, Operator > Class Template Reference

Precondtioner, multiplies with inverse of the diagonal works with. More...

#include <dune/fem/solver/diagonalpreconditioner.hh>

Inheritance diagram for Dune::Fem::DiagonalPreconditioner< DFImp, Operator >:

Public Types
typedef Operator	OperatorType
typedef DFImp	DiscreteFunctionType
typedef DiscreteFunctionType::DofIteratorType	DofIteratorType
typedef DiscreteFunctionType::ConstDofIteratorType	ConstDofIteratorType
typedef DFImp	DomainFunctionType
	type of discrete function in the operator's domain
typedef DFImp	RangeFunctionType
	type of discrete function in the operator's range
typedef DomainFunction::RangeFieldType	DomainFieldType
	field type of the operator's domain
typedef RangeFunction::RangeFieldType	RangeFieldType
	field type of the operator's range

Public Member Functions
	DiagonalPreconditioner (const OperatorType &op)
virtual void	operator() (const DiscreteFunctionType &u, DiscreteFunctionType &res) const
	application operator
virtual void	finalize ()
	finalization of operator
virtual bool	nonlinear () const

Protected Member Functions
void	apply (const DiscreteFunctionType &u, DiscreteFunctionType &res) const

Detailed Description

template<class DFImp, class Operator>
class Dune::Fem::DiagonalPreconditioner< DFImp, Operator >

Precondtioner, multiplies with inverse of the diagonal works with.

• OEM
• ISTL (choose jacobi, iteration = 1)

Parameters

DFImp	type of the disctete function
Operator	type of the operator (only works for assembled operators)

Member Typedef Documentation

ConstDofIteratorType

typedef DiscreteFunctionType::ConstDofIteratorType Dune::Fem::DiagonalPreconditionerBase< DFImp, Operator , assembled >::ConstDofIteratorType

inherited

DiscreteFunctionType

typedef DFImp Dune::Fem::DiagonalPreconditionerBase< DFImp, Operator , assembled >::DiscreteFunctionType

inherited

DofIteratorType

typedef DiscreteFunctionType::DofIteratorType Dune::Fem::DiagonalPreconditionerBase< DFImp, Operator , assembled >::DofIteratorType

inherited

DomainFieldType

typedef DomainFunction::RangeFieldType Dune::Fem::Operator< DFImp , DFImp >::DomainFieldType

inherited

field type of the operator's domain

DomainFunctionType

typedef DFImp Dune::Fem::Operator< DFImp , DFImp >::DomainFunctionType

inherited

type of discrete function in the operator's domain

OperatorType

template<class DFImp , class Operator >

typedef Operator Dune::Fem::DiagonalPreconditioner< DFImp, Operator >::OperatorType

RangeFieldType

typedef RangeFunction::RangeFieldType Dune::Fem::Operator< DFImp , DFImp >::RangeFieldType

inherited

field type of the operator's range

RangeFunctionType

typedef DFImp Dune::Fem::Operator< DFImp , DFImp >::RangeFunctionType

inherited

type of discrete function in the operator's range

Constructor & Destructor Documentation

DiagonalPreconditioner()

template<class DFImp , class Operator >

Dune::Fem::DiagonalPreconditioner< DFImp, Operator >::DiagonalPreconditioner ( const OperatorType &  op )

inline

Member Function Documentation

apply()

void Dune::Fem::DiagonalPreconditionerBase< DFImp, Operator , assembled >::apply ( const DiscreteFunctionType &  u, DiscreteFunctionType &  res  ) const

inlineprotectedinherited

finalize()

virtual void Dune::Fem::Operator< DFImp , DFImp >::finalize ( )

inlinevirtualinherited

finalization of operator

Note

The default implementation is empty.

nonlinear()

virtual bool Dune::Fem::Operator< DFImp , DFImp >::nonlinear ( ) const

inlinevirtualinherited

Return true if the Operator is nonlinear and false otherwise (default is true).

operator()()

virtual void Dune::Fem::DiagonalPreconditionerBase< DFImp, Operator , assembled >::operator() ( const DiscreteFunctionType &  u, DiscreteFunctionType &  res  ) const

inlinevirtualinherited

application operator

Parameters

[in]	u	argument discrete function
[out]	w	destination discrete function

Note

This method has to be implemented by all derived classes.

Implements Dune::Fem::Operator< DFImp, DFImp >.

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

• diagonalpreconditioner.hh