Dune::PDELab::ISTLBackend_OVLP_CG_UMFPack< GFS, CC > Class Template Reference

Overlapping parallel CG solver with UMFPack preconditioner. More...

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

Inheritance diagram for Dune::PDELab::ISTLBackend_OVLP_CG_UMFPack< GFS, CC >:

Public Member Functions
	ISTLBackend_OVLP_CG_UMFPack (const GFS &gfs_, const CC &cc_, unsigned maxiter_=5000, int verbose_=1)
	make a linear solver object
void	apply (M &A, V &z, W &r, typename Dune::template FieldTraits< typename V::ElementType >::real_type reduction)
	solve the given linear system
template<typename X >
X::ElementType	dot (const X &x, const X &y) const
	Dot product of two vectors. It is assumed that the vectors are consistent on the interior+border partition.
template<typename X >
Dune::template FieldTraits< typenameX::ElementType >::real_type	norm (const X &x) const
	Norm of a right-hand side vector. The vector must be consistent on the interior+border partition.
const ISTL::ParallelHelper< GFS > &	parallelHelper () const
ISTL::ParallelHelper< GFS > &	parallelHelper ()
const Dune::PDELab::LinearSolverResult< double > &	result () const
	Return access to result data.

Protected Attributes
Dune::PDELab::LinearSolverResult< double >	res

Detailed Description

template<class GFS, class CC>
class Dune::PDELab::ISTLBackend_OVLP_CG_UMFPack< GFS, CC >

Overlapping parallel CG solver with UMFPack preconditioner.

Template Parameters

GFS	The Type of the GridFunctionSpace.
CC	The Type of the Constraints Container.

Constructor & Destructor Documentation

ISTLBackend_OVLP_CG_UMFPack()

template<class GFS , class CC >

Dune::PDELab::ISTLBackend_OVLP_CG_UMFPack< GFS, CC >::ISTLBackend_OVLP_CG_UMFPack ( const GFS &  gfs_, const CC &  cc_, unsigned  maxiter_ = 5000, int  verbose_ = 1  )

inline

make a linear solver object

Parameters

[in]	gfs_	a grid function space
[in]	cc_	a constraints object
[in]	maxiter_	maximum number of iterations to do
[in]	verbose_	print messages if true

Member Function Documentation

apply()

void Dune::PDELab::ISTLBackend_OVLP_UMFPack_Base< GFS, CC , Dune::CGSolver >::apply ( M &  A, V &  z, W &  r, typename Dune::template FieldTraits< typename V::ElementType >::real_type  reduction  )

inlineinherited

solve the given linear system

Parameters

[in]	A	the given matrix
[out]	z	the solution vector to be computed
[in]	r	right hand side
[in]	reduction	to be achieved

dot()

template<typename GFS >

template<typename X >

X::ElementType Dune::PDELab::OVLPScalarProductImplementation< GFS >::dot ( const X &  x, const X &  y  ) const

inlineinherited

Dot product of two vectors. It is assumed that the vectors are consistent on the interior+border partition.

norm()

template<typename GFS >

template<typename X >

Dune::template FieldTraits< typenameX::ElementType >::real_type Dune::PDELab::OVLPScalarProductImplementation< GFS >::norm ( const X &  x ) const

inlineinherited

Norm of a right-hand side vector. The vector must be consistent on the interior+border partition.

parallelHelper() [1/2]

template<typename GFS >

ISTL::ParallelHelper< GFS > & Dune::PDELab::OVLPScalarProductImplementation< GFS >::parallelHelper ( )

inlineinherited

parallelHelper() [2/2]

template<typename GFS >

const ISTL::ParallelHelper< GFS > & Dune::PDELab::OVLPScalarProductImplementation< GFS >::parallelHelper ( ) const

inlineinherited

result()

const Dune::PDELab::LinearSolverResult< double > & Dune::PDELab::LinearResultStorage::result ( ) const

inlineinherited

Return access to result data.

Member Data Documentation

res

Dune::PDELab::LinearSolverResult<double> Dune::PDELab::LinearResultStorage::res

protectedinherited

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

• ovlpistlsolverbackend.hh