Dune::PDELab::ISTLBackend_NOVLP_CG_NOPREC< GFS > Class Template Reference

Nonoverlapping parallel CG solver without preconditioner. More...

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

Public Member Functions
	ISTLBackend_NOVLP_CG_NOPREC (const GFS &gfs_, unsigned maxiter_=5000, int verbose_=1)
	make a linear solver object More...
template<class V >
V::ElementType	norm (const V &v) const
	compute global norm of a vector More...
template<class M , class V , class W >
void	apply (M &A, V &z, W &r, typename Dune::template FieldTraits< typename V::ElementType >::real_type reduction)
	solve the given linear system More...
const Dune::PDELab::LinearSolverResult< double > &	result () const
	Return access to result data. More...

Detailed Description

template<class GFS>
class Dune::PDELab::ISTLBackend_NOVLP_CG_NOPREC< GFS >

Nonoverlapping parallel CG solver without preconditioner.

Constructor & Destructor Documentation

ISTLBackend_NOVLP_CG_NOPREC()

template<class GFS >

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

inlineexplicit

make a linear solver object

Parameters

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

Member Function Documentation

apply()

template<class GFS >

template<class M , class V , class W >

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

inline

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

norm()

template<class GFS >

template<class V >

V::ElementType Dune::PDELab::ISTLBackend_NOVLP_CG_NOPREC< GFS >::norm ( const V &  v ) const

inline

compute global norm of a vector

Parameters

[in]

v

the given vector

result()

template<class GFS >

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

inline

Return access to result data.

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

• novlpistlsolverbackend.hh