Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P > Class Template Reference

#include <dune/pdelab/backend/istl/seq_amg_dg_backend.hh>

Inheritance diagram for Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >:

Public Types
typedef DGPrec::domain_type	X
typedef DGPrec::range_type	Y
typedef CGPrec::domain_type	CGX
typedef CGPrec::range_type	CGY

Public Member Functions
SolverCategory::Category	category () const override
	SeqDGAMGPrec (DGMatrix &dgmatrix_, DGPrec &dgprec_, CGPrec &cgprec_, P &p_, int n1_, int n2_)
	Constructor. More...
virtual void	pre (X &x, Y &b) override
	Prepare the preconditioner. More...
virtual void	apply (X &x, const Y &b) override
	Apply the precondioner. More...
virtual void	post (X &x) override
	Clean up. More...

Detailed Description

template<class DGMatrix, class DGPrec, class CGPrec, class P>
class Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >

An ISTL preconditioner for DG based on AMG applied to CG subspace

The template parameters are: DGMatrix BCRSMatrix assembled with DG DGPrec preconditioner to be used for DG CGPrec preconditioner to be used on CG subspace P BCRSMatrix for grid transfer

Member Typedef Documentation

CGX

template<class DGMatrix , class DGPrec , class CGPrec , class P >

typedef CGPrec::domain_type Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >::CGX

CGY

template<class DGMatrix , class DGPrec , class CGPrec , class P >

typedef CGPrec::range_type Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >::CGY

X

template<class DGMatrix , class DGPrec , class CGPrec , class P >

typedef DGPrec::domain_type Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >::X

Y

template<class DGMatrix , class DGPrec , class CGPrec , class P >

typedef DGPrec::range_type Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >::Y

Constructor & Destructor Documentation

SeqDGAMGPrec()

template<class DGMatrix , class DGPrec , class CGPrec , class P >

Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >::SeqDGAMGPrec ( DGMatrix &  dgmatrix_, DGPrec &  dgprec_, CGPrec &  cgprec_, P &  p_, int  n1_, int  n2_  )

inline

Constructor.

Constructor gets all parameters to operate the prec.

Parameters

A	The matrix to operate on.
n	The number of iterations to perform.
w	The relaxation factor.

Member Function Documentation

apply()

template<class DGMatrix , class DGPrec , class CGPrec , class P >

virtual void Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >::apply ( X &  x, const Y &  b  )

inlineoverridevirtual

Apply the precondioner.

category()

template<class DGMatrix , class DGPrec , class CGPrec , class P >

SolverCategory::Category Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >::category ( ) const

inlineoverride

post()

template<class DGMatrix , class DGPrec , class CGPrec , class P >

virtual void Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >::post ( X &  x )

inlineoverridevirtual

Clean up.

pre()

template<class DGMatrix , class DGPrec , class CGPrec , class P >

virtual void Dune::PDELab::SeqDGAMGPrec< DGMatrix, DGPrec, CGPrec, P >::pre ( X &  x, Y &  b  )

inlineoverridevirtual

Prepare the preconditioner.

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

• seq_amg_dg_backend.hh