Dune Core Modules (2.5.0)
kamg.hh
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41 };
169 };
335 ksolvers.push_back(std::shared_ptr<KAmgTwoGrid<Amg> >(new KAmgTwoGrid<Amg>(amg, std::shared_ptr<InverseOperator<Domain,Range> >())));
341 scalarproducts.push_back(std::shared_ptr<typename Amg::ScalarProduct>(Amg::ScalarProductChooser::construct(*pinfo)));
343 std::shared_ptr<InverseOperator<Domain,Range> >(new KrylovSolver(*matrix, *(scalarproducts.back()),
The AMG preconditioner.
LevelIterator< Hierarchy< ParallelInformation, Allocator >, ParallelInformation > Iterator
Type of the mutable iterator.
Definition: hierarchy.hh:257
Amg::SmootherArgs SmootherArgs
The type of the arguments for construction of the smoothers.
Definition: kamg.hh:154
Amg::ParallelInformation ParallelInformation
the type of the parallelinformation to use.
Definition: kamg.hh:152
Amg::CoarseSolver CoarseSolver
The type of the coarse solver.
Definition: kamg.hh:150
Amg::OperatorHierarchy OperatorHierarchy
The type of the hierarchy of operators.
Definition: kamg.hh:148
Amg::ScalarProduct ScalarProduct
The type of the scalar product.
Definition: kamg.hh:164
Amg::Operator Operator
the type of the lineatr operator.
Definition: kamg.hh:156
Amg::ParallelInformationHierarchy ParallelInformationHierarchy
The type of the hierarchy of parallel information.
Definition: kamg.hh:162
K KrylovSolver
The type of the Krylov solver for the cycle.
Definition: kamg.hh:146
void pre(typename AMG::Domain &x, typename AMG::Range &b)
Prepare the preconditioner.
Definition: kamg.hh:55
KAmgTwoGrid(AMG &amg, std::shared_ptr< InverseOperator< Domain, Range > > coarseSolver)
Constructor.
Definition: kamg.hh:50
void setLevelContext(std::shared_ptr< typename AMG::LevelContext > p)
Set the level context pointer.
Definition: kamg.hh:105
InverseOperator< Domain, Range > * coarseSolver()
Get a pointer to the coarse grid solver.
Definition: kamg.hh:96
void apply(typename AMG::Domain &v, const typename AMG::Range &d)
Apply one step of the preconditioner to the system A(v)=d.
Definition: kamg.hh:67
The hierarchies build by the coarsening process.
Definition: hierarchy.hh:317
Generalized preconditioned conjugate gradient solver.
Definition: solvers.hh:1504
Base class for matrix free definition of preconditioners.
Definition: preconditioner.hh:26
Base class for scalar product and norm computation.
Definition: scalarproducts.hh:44
void apply(Domain &v, const Range &d)
Apply one step of the preconditioner to the system A(v)=d.
Definition: kamg.hh:363
SmootherTraits< Smoother >::Arguments SmootherArgs
The argument type for the construction of the smoother.
Definition: amg.hh:91
KAMG(const OperatorHierarchy &matrices, CoarseSolver &coarseSolver, const SmootherArgs &smootherArgs, std::size_t gamma, std::size_t preSmoothingSteps=1, std::size_t postSmoothingSteps=1, std::size_t maxLevelKrylovSteps=3, double minDefectReduction=1e-1) DUNE_DEPRECATED
Construct a new amg with a specific coarse solver.
Definition: kamg.hh:276
void presmooth(LevelContext &levelContext, size_t steps)
Apply pre smoothing on the current level.
Definition: smoother.hh:408
void postsmooth(LevelContext &levelContext, size_t steps)
Apply post smoothing on the current level.
Definition: smoother.hh:430
PI ParallelInformation
The type of the parallel information. Either OwnerOverlapCommunication or another type describing the...
Definition: amg.hh:71
STL namespace.
Define general preconditioner interface.
Statistics about the application of an inverse operator.
Definition: solver.hh:32
#define DUNE_UNUSED_PARAMETER(parm)
A macro to mark intentionally unused function parameters with.
Definition: unused.hh:18
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