Dune Core Modules (2.4.2)
twolevelmethod.hh
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169 std::cout<<"no aggregates="<<noAggregates<<" iso="<<isoAggregates<<" one="<<oneAggregates<<" skipped="<<skippedAggregates<<std::endl;
192 productBuilder.calculate(fineOperator.getmat(), *aggregatesMap_, *matrix_, pinfo, OverlapFlags());
387 };
The AMG preconditioner.
Class providing information about the mapping of the vertices onto aggregates.
Definition: aggregates.hh:543
A LeveTransferPolicy that used aggregation to construct the coarse level system.
Definition: twolevelmethod.hh:141
AggregationLevelTransferPolicy * clone() const
Clone the current object.
Definition: twolevelmethod.hh:212
void moveToFineLevel(typename FatherType::FineDomainType &fineLhs)
Updates the fine level linear system after the correction of the coarse levels system.
Definition: twolevelmethod.hh:205
void createCoarseLevelSystem(const O &fineOperator)
Algebraically creates the coarse level system.
Definition: twolevelmethod.hh:152
Class representing the properties of an ede in the matrix graph.
Definition: dependency.hh:38
Abstract base class for transfer between levels and creation of the coarse level system.
Definition: twolevelmethod.hh:36
CO CoarseOperatorType
The linear operator of the finel level system. Has to be derived from AssembledLinearOperator.
Definition: twolevelmethod.hh:55
virtual void moveToCoarseLevel(const FineRangeType &fineRhs)=0
Transfers the data to the coarse level.
FineOperatorType::range_type FineRangeType
The type of the range of the fine level operator.
Definition: twolevelmethod.hh:46
virtual void createCoarseLevelSystem(const FineOperatorType &fineOperator)=0
Algebraically creates the coarse level system.
CoarseOperatorType::range_type CoarseRangeType
The type of the range of the coarse level operator.
Definition: twolevelmethod.hh:59
CoarseRangeType & getCoarseLevelRhs()
Get the coarse level right hand side.
Definition: twolevelmethod.hh:76
virtual ~LevelTransferPolicy()
Destructor.
Definition: twolevelmethod.hh:122
CoarseDomainType lhs_
The coarse level lhs.
Definition: twolevelmethod.hh:128
std::shared_ptr< CoarseOperatorType > operator_
the coarse level linear operator.
Definition: twolevelmethod.hh:130
CoarseRangeType rhs_
The coarse level rhs.
Definition: twolevelmethod.hh:126
std::shared_ptr< CoarseOperatorType > & getCoarseLevelOperator()
Get the coarse level operator.
Definition: twolevelmethod.hh:68
virtual void moveToFineLevel(FineDomainType &fineLhs)=0
Updates the fine level linear system after the correction of the coarse levels system.
FO FineOperatorType
The linear operator of the finel level system. Has to be derived from AssembledLinearOperator.
Definition: twolevelmethod.hh:42
CoarseOperatorType::domain_type CoarseDomainType
The type of the domain of the coarse level operator.
Definition: twolevelmethod.hh:63
CoarseDomainType & getCoarseLevelLhs()
Get the coarse level left hand side.
Definition: twolevelmethod.hh:85
virtual LevelTransferPolicy * clone() const =0
Clone the current object.
FineOperatorType::domain_type FineDomainType
The type of the domain of the fine level operator.
Definition: twolevelmethod.hh:50
A policy class for solving the coarse level system using one step of AMG.
Definition: twolevelmethod.hh:232
OneStepAMGCoarseSolverPolicy(const SmootherArgs &args, const Criterion &c)
Constructs the coarse solver policy.
Definition: twolevelmethod.hh:251
AMGInverseOperator CoarseLevelSolver
The type of solver constructed for the coarse level.
Definition: twolevelmethod.hh:309
OneStepAMGCoarseSolverPolicy(const OneStepAMGCoarseSolverPolicy &other)
Copy constructor.
Definition: twolevelmethod.hh:255
O::range_type X
The type of the range and domain of the operator.
Definition: twolevelmethod.hh:237
C Criterion
The type of the crition used for the aggregation within AMG.
Definition: twolevelmethod.hh:239
Dune::Amg::SmootherTraits< S >::Arguments SmootherArgs
The type of the arguments used for constructing the smoother.
Definition: twolevelmethod.hh:243
O Operator
The type of the linear operator used.
Definition: twolevelmethod.hh:235
CoarseLevelSolver * createCoarseLevelSolver(P &transferPolicy)
Constructs a coarse level solver.
Definition: twolevelmethod.hh:319
AMG< Operator, X, Smoother > AMGType
The type of the AMG construct on the coarse level.
Definition: twolevelmethod.hh:245
S Smoother
The type of the smoother used in AMG.
Definition: twolevelmethod.hh:241
Attaches properties to the edges and vertices of a graph.
Definition: graph.hh:976
VertexDescriptor maxVertex() const
Get the maximal vertex descriptor.
Definition: twolevelmethod.hh:347
CoarseOperatorType::range_type CoarseRangeType
The type of the range of the coarse level operator.
Definition: twolevelmethod.hh:374
FineOperatorType::domain_type FineDomainType
The type of the domain of the fine level operator.
Definition: twolevelmethod.hh:365
FO FineOperatorType
The linear operator of the finel level system. Has to be derived from AssembledLinearOperator.
Definition: twolevelmethod.hh:357
CoarseLevelSolverPolicy::CoarseLevelSolver CoarseLevelSolver
The type of the coarse level solver.
Definition: twolevelmethod.hh:352
@ category
The category the preconditioner is part of.
Definition: twolevelmethod.hh:386
CSP CoarseLevelSolverPolicy
The type of the policy for constructing the coarse level solver.
Definition: twolevelmethod.hh:350
CoarseOperatorType::domain_type CoarseDomainType
The type of the domain of the coarse level operator.
Definition: twolevelmethod.hh:378
TwoLevelMethod(const FineOperatorType &op, std::shared_ptr< SmootherType > smoother, const LevelTransferPolicy< FineOperatorType, CoarseOperatorType > &policy, CoarseLevelSolverPolicy &coarsePolicy, std::size_t preSteps=1, std::size_t postSteps=1)
Constructs a two level method.
Definition: twolevelmethod.hh:403
FineOperatorType::range_type FineRangeType
The type of the range of the fine level operator.
Definition: twolevelmethod.hh:361
CSP::Operator CoarseOperatorType
The linear operator of the finel level system. Has to be derived from AssembledLinearOperator.
Definition: twolevelmethod.hh:370
S SmootherType
The type of the fine level smoother.
Definition: twolevelmethod.hh:382
Class representing a node in the matrix graph.
Definition: dependency.hh:125
virtual void apply(X &x, X &b, InverseOperatorResult &res)=0
Apply inverse operator,.
Adapter to turn a random access iterator into a property map.
Definition: propertymap.hh:107
The negation of a set. An item is contained in the set if and only if it is not contained in the nega...
Definition: enumset.hh:95
Base class for matrix free definition of preconditioners.
Definition: preconditioner.hh:26
Provides a class for building the galerkin product based on a aggregation scheme.
SmootherTraits< Smoother >::Arguments SmootherArgs
The argument type for the construction of the smoother.
Definition: amg.hh:91
Operator Operator
The matrix operator type.
Definition: amg.hh:64
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
Define general, extensible interface for operators. The available implementation wraps a matrix.
Define general, extensible interface for inverse operators.
The default class for the smoother arguments.
Definition: smoother.hh:36
A property map that applies the identity function to integers.
Definition: propertymap.hh:292
Statistics about the application of an inverse operator.
Definition: solver.hh:32
@ sequential
Category for sequential solvers.
Definition: solvercategory.hh:21
Definition of the DUNE_UNUSED macro for the case that config.h is not available.
#define DUNE_UNUSED_PARAMETER(parm)
A macro to mark intentional unused function parameters with.
Definition: unused.hh:18
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