Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm > Class Template Reference

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

Inheritance diagram for Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >:

Public Types
enum	{ category =Dune::SolverCategory::overlapping }
typedef Dune::PDELab::BackendVectorSelector < DGGFS, typename DGPrec::domain_type::field_type > ::Type	V
typedef Dune::PDELab::BackendVectorSelector < DGGFS, typename DGPrec::range_type::field_type > ::Type	W
typedef V::BaseT	X
typedef W::BaseT	Y
typedef Dune::PDELab::BackendVectorSelector < CGGFS, typename CGPrec::domain_type::field_type > ::Type	CGV
typedef Dune::PDELab::BackendVectorSelector < CGGFS, typename CGPrec::range_type::field_type > ::Type	CGW

Public Member Functions
	OvlpDGAMGPrec (const DGGFS &dggfs_, DGMatrix &dgmatrix_, DGPrec &dgprec_, const DGCC &dgcc_, const CGGFS &cggfs_, CGPrec &cgprec_, const CGCC &cgcc_, P &p_, const DGHelper &dghelper_, const Comm &comm_, int n1_, int n2_)
	Constructor. More...
virtual void	pre (V &x, W &b)
	Prepare the preconditioner. More...
virtual void	apply (V &x, const W &b)
	Apply the precondioner. More...
virtual void	post (V &x)
	Clean up. More...

Detailed Description

template<class DGGFS, class DGMatrix, class DGPrec, class DGCC, class CGGFS, class CGPrec, class CGCC, class P, class DGHelper, class Comm>
class Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >

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

The template parameters are: DGGFS DG space 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

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

typedef Dune::PDELab::BackendVectorSelector<CGGFS,typename CGPrec::domain_type::field_type>::Type Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::CGV

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

typedef Dune::PDELab::BackendVectorSelector<CGGFS,typename CGPrec::range_type::field_type>::Type Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::CGW

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

typedef Dune::PDELab::BackendVectorSelector<DGGFS,typename DGPrec::domain_type::field_type>::Type Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::V

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

typedef Dune::PDELab::BackendVectorSelector<DGGFS,typename DGPrec::range_type::field_type>::Type Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::W

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

typedef V::BaseT Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::X

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

typedef W::BaseT Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::Y

Member Enumeration Documentation

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

anonymous enum

Enumerator
category	The category the preconditioner is part of.

Constructor & Destructor Documentation

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::OvlpDGAMGPrec ( const DGGFS &  dggfs_, DGMatrix &  dgmatrix_, DGPrec &  dgprec_, const DGCC &  dgcc_, const CGGFS &  cggfs_, CGPrec &  cgprec_, const CGCC &  cgcc_, P &  p_, const DGHelper &  dghelper_, const Comm &  comm_, 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

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

virtual void Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::apply ( V &  x, const W &  b  )

inlinevirtual

Apply the precondioner.

References Dune::PDELab::istl::raw(), and Dune::PDELab::set_constrained_dofs().

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

virtual void Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::post ( V &  x )

inlinevirtual

Clean up.

References Dune::PDELab::istl::raw().

template<class DGGFS , class DGMatrix , class DGPrec , class DGCC , class CGGFS , class CGPrec , class CGCC , class P , class DGHelper , class Comm >

virtual void Dune::PDELab::OvlpDGAMGPrec< DGGFS, DGMatrix, DGPrec, DGCC, CGGFS, CGPrec, CGCC, P, DGHelper, Comm >::pre ( V &  x, W &  b  )

inlinevirtual

Prepare the preconditioner.

References Dune::PDELab::istl::raw().

---

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

• ovlp_amg_dg_backend.hh