Dune::PDELab::ISTLBackend_SEQ_CG_ILUn Class Reference

Sequential congute gradient solver with ILU0 preconditioner. More...

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

Public Member Functions
	ISTLBackend_SEQ_CG_ILUn (int n_, double w_=1.0, unsigned maxiter_=5000, int verbose_=1)
	make a linear solver object More...
template<class M , class V , class W >
void	apply (M &A, V &z, W &r, typename Dune::template FieldTraits< typename W::ElementType >::real_type reduction)
	solve the given linear system More...
template<class V >
Dune::template FieldTraits< typenameV::ElementType >::real_type	norm (const V &v) const
	compute global norm of a vector More...
const Dune::PDELab::LinearSolverResult< double > &	result () const
	Return access to result data.

Detailed Description

Sequential congute gradient solver with ILU0 preconditioner.

Constructor & Destructor Documentation

ISTLBackend_SEQ_CG_ILUn()

Dune::PDELab::ISTLBackend_SEQ_CG_ILUn::ISTLBackend_SEQ_CG_ILUn ( int  n_, double  w_ = 1.0, unsigned  maxiter_ = 5000, int  verbose_ = 1  )

inlineexplicit

make a linear solver object

Parameters

[in]	n_	The number of levels to be used.
[in]	w_	The relaxation factor.
[in]	maxiter_	maximum number of iterations to do
[in]	verbose_	print messages if true

Member Function Documentation

apply()

template<template< typename > class Solver>

template<class M , class V , class W >

void Dune::PDELab::ISTLBackend_SEQ_ILUn< Solver >::apply ( M &  A, V &  z, W &  r, typename Dune::template FieldTraits< typename W::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

norm()

template<class V >

Dune::template FieldTraits< typenameV::ElementType >::real_type Dune::PDELab::SequentialNorm::norm ( const V &  v ) const

inlineinherited

compute global norm of a vector

\param[in] v the given vector

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

• dune/pdelab/backend/istl/seqistlsolverbackend.hh