dune-pdelab 2.7-git
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Public Member Functions | Protected Attributes | List of all members
Dune::PDELab::ISTLBackend_SEQ_CG_ILU0 Class Reference

Backend for sequential conjugate gradient solver with ILU0 preconditioner. More...

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

Inheritance diagram for Dune::PDELab::ISTLBackend_SEQ_CG_ILU0:
Inheritance graph

Public Member Functions

 ISTLBackend_SEQ_CG_ILU0 (unsigned maxiter_=5000, int verbose_=1)
 make a linear solver object More...
 
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. More...
 

Protected Attributes

Dune::PDELab::LinearSolverResult< double > res
 

Detailed Description

Backend for sequential conjugate gradient solver with ILU0 preconditioner.

Examples
recipe-linear-system-solution-pdelab.cc.

Constructor & Destructor Documentation

◆ ISTLBackend_SEQ_CG_ILU0()

Dune::PDELab::ISTLBackend_SEQ_CG_ILU0::ISTLBackend_SEQ_CG_ILU0 ( unsigned  maxiter_ = 5000,
int  verbose_ = 1 
)
inlineexplicit

make a linear solver object

Parameters
[in]maxiter_maximum number of iterations to do
[in]verbose_print messages if true

Member Function Documentation

◆ apply()

void Dune::PDELab::ISTLBackend_SEQ_ILU0< Dune::CGSolver >::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]Athe given matrix
[out]zthe solution vector to be computed
[in]rright hand side
[in]reductionto 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

◆ 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

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