Parallel algebraic multigrid based on agglomeration. More...
#include <dune/istl/paamg/amg.hh>
Public Types | |
enum | { category = S::category } |
typedef M | Operator |
The matrix operator type. | |
typedef PI | ParallelInformation |
The type of the parallel information. Either OwnerOverlapCommunication or another type describing the parallel data distribution and providing communication methods. | |
typedef MatrixHierarchy< M, ParallelInformation, A > | OperatorHierarchy |
The operator hierarchy type. | |
typedef OperatorHierarchy::ParallelInformationHierarchy | ParallelInformationHierarchy |
The parallal data distribution hierarchy type. | |
typedef X | Domain |
The domain type. | |
typedef X | Range |
The range type. | |
typedef InverseOperator< X, X > | CoarseSolver |
the type of the coarse solver. | |
typedef S | Smoother |
The type of the smoother. | |
typedef SmootherTraits < Smoother >::Arguments | SmootherArgs |
The argument type for the construction of the smoother. | |
typedef X | domain_type |
The domain type of the preconditioner. | |
typedef X | range_type |
The range type of the preconditioner. | |
typedef X::field_type | field_type |
The field type of the preconditioner. | |
Public Member Functions | |
AMG (const OperatorHierarchy &matrices, CoarseSolver &coarseSolver, const SmootherArgs &smootherArgs, std::size_t gamma, std::size_t preSmoothingSteps, std::size_t postSmoothingSteps, bool additive=false) | |
Construct a new amg with a specific coarse solver. | |
template<class C > | |
AMG (const Operator &fineOperator, const C &criterion, const SmootherArgs &smootherArgs, std::size_t gamma=1, std::size_t preSmoothingSteps=2, std::size_t postSmoothingSteps=2, bool additive=false, const ParallelInformation &pinfo=ParallelInformation()) | |
Construct an AMG with an inexact coarse solver based on the smoother. | |
~AMG () | |
void | pre (Domain &x, Range &b) |
void | apply (Domain &v, const Range &d) |
void | post (Domain &x) |
template<class A1 > | |
void | getCoarsestAggregateNumbers (std::vector< std::size_t, A1 > &cont) |
Get the aggregate number of each unknown on the coarsest level. | |
std::size_t | levels () |
std::size_t | maxlevels () |
template<class C > | |
AMG (const Operator &matrix, const C &criterion, const SmootherArgs &smootherArgs, std::size_t gamma, std::size_t preSmoothingSteps, std::size_t postSmoothingSteps, bool additive_, const P &pinfo) |
Parallel algebraic multigrid based on agglomeration.
M | The matrix type | |
X | The vector type | |
A | An allocator for X |
typedef X Dune::Preconditioner< X, X >::domain_type [inherited] |
The domain type of the preconditioner.
Reimplemented in Dune::SeqOverlappingSchwarz< M, X, TM, onTheFly, TA >, and Dune::SeqOverlappingSchwarz< M, X, TM, b, TA >.
typedef X::field_type Dune::Preconditioner< X, X >::field_type [inherited] |
The field type of the preconditioner.
Reimplemented in Dune::SeqOverlappingSchwarz< M, X, TM, onTheFly, TA >, and Dune::SeqOverlappingSchwarz< M, X, TM, b, TA >.
typedef M Dune::Amg::AMG< M, X, S, PI, A >::Operator |
The matrix operator type.
typedef X Dune::Preconditioner< X, X >::range_type [inherited] |
The range type of the preconditioner.
Reimplemented in Dune::SeqOverlappingSchwarz< M, X, TM, onTheFly, TA >, and Dune::SeqOverlappingSchwarz< M, X, TM, b, TA >.