#include <dune/pdelab/backend/istl/seqistlsolverbackend.hh>
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| ISTLBackend_SEQ_AMG (unsigned maxiter_=5000, int verbose_=1, bool reuse_=false, bool usesuperlu_=true) |
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void | setparams (Parameters params_) |
| set AMG parameters
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void | setReuse (bool reuse_) |
| Set whether the AMG should be reused again during call to apply().
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bool | getReuse () const |
| Return whether the AMG is reused during call to apply()
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V::ElementType | norm (const V &v) const |
| compute global norm of a vector
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void | apply (M &A, V &z, V &r, typename Dune::template FieldTraits< typename V::ElementType >::real_type reduction) |
| solve the given linear system
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const ISTLAMGStatistics & | statistics () const |
| Get statistics of the AMG solver (no of levels, timings).
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const Dune::PDELab::LinearSolverResult< double > & | result () const |
| Return access to result data.
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◆ ISTLBackend_SEQ_AMG()
template<class GO , template< class, class, class, int > class Preconditioner, template< class > class Solver, bool skipBlocksizeCheck = false>
Dune::PDELab::ISTLBackend_SEQ_AMG< GO, Preconditioner, Solver, skipBlocksizeCheck >::ISTLBackend_SEQ_AMG |
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unsigned |
maxiter_ = 5000 , |
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int |
verbose_ = 1 , |
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bool |
reuse_ = false , |
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bool |
usesuperlu_ = true |
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inline |
◆ apply()
template<class GO , template< class, class, class, int > class Preconditioner, template< class > class Solver, bool skipBlocksizeCheck = false>
void Dune::PDELab::ISTLBackend_SEQ_AMG< GO, Preconditioner, Solver, skipBlocksizeCheck >::apply |
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M & |
A, |
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V & |
z, |
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V & |
r, |
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typename Dune::template FieldTraits< typename V::ElementType >::real_type |
reduction |
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) |
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inline |
solve the given linear system
- Parameters
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[in] | A | the given matrix |
[out] | z | the solution vector to be computed |
[in] | r | right hand side |
[in] | reduction | to be achieved |
◆ getReuse()
template<class GO , template< class, class, class, int > class Preconditioner, template< class > class Solver, bool skipBlocksizeCheck = false>
Return whether the AMG is reused during call to apply()
◆ norm()
template<class GO , template< class, class, class, int > class Preconditioner, template< class > class Solver, bool skipBlocksizeCheck = false>
compute global norm of a vector
- Parameters
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◆ result()
Return access to result data.
◆ setparams()
template<class GO , template< class, class, class, int > class Preconditioner, template< class > class Solver, bool skipBlocksizeCheck = false>
set AMG parameters
- Parameters
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[in] | params_ | a parameter object of Type Dune::Amg::Parameters |
◆ setReuse()
template<class GO , template< class, class, class, int > class Preconditioner, template< class > class Solver, bool skipBlocksizeCheck = false>
Set whether the AMG should be reused again during call to apply().
◆ statistics()
template<class GO , template< class, class, class, int > class Preconditioner, template< class > class Solver, bool skipBlocksizeCheck = false>
Get statistics of the AMG solver (no of levels, timings).
- Returns
- statistis of the AMG solver.
◆ res
The documentation for this class was generated from the following file: