Nonoverlapping parallel CG solver without preconditioner. More...

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.

Detailed Description

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

Nonoverlapping parallel CG solver without preconditioner.

Constructor & Destructor Documentation

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

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

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

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