Dependency policy for symmetric matrices. More...
#include <dune/istl/paamg/aggregates.hh>
Inheritance diagram for Dune::Amg::SymmetricDependency< M, N >:
Public Types | |
| typedef M | Matrix |
| The matrix type we build the dependency of. More... | |
| typedef N | Norm |
| The norm to use for examining the matrix entries. More... | |
| typedef Matrix::row_type | Row |
| Constant Row iterator of the matrix. More... | |
| typedef Matrix::ConstColIterator | ColIter |
| Constant column iterator of the matrix. More... | |
Public Member Functions | |
| void | init (const Matrix *matrix) |
| void | initRow (const Row &row, int index) |
| void | examine (const ColIter &col) |
| template<class G > | |
| void | examine (G &graph, const typename G::EdgeIterator &edge, const ColIter &col) |
| bool | isIsolated () |
| SymmetricDependency (const Parameters &parms) | |
| SymmetricDependency () | |
| void | setDebugLevel (int level) |
| Set the debugging level. More... | |
| int | debugLevel () const |
| Get the debugging Level. More... | |
| void | setNoPreSmoothSteps (std::size_t steps) |
| Set the number of presmoothing steps to apply. More... | |
| std::size_t | getNoPreSmoothSteps () const |
| Get the number of presmoothing steps to apply. More... | |
| void | setNoPostSmoothSteps (std::size_t steps) |
| Set the number of postsmoothing steps to apply. More... | |
| std::size_t | getNoPostSmoothSteps () const |
| Get the number of postsmoothing steps to apply. More... | |
| void | setGamma (std::size_t gamma) |
| Set the value of gamma; 1 for V-cycle, 2 for W-cycle. More... | |
| std::size_t | getGamma () const |
| Get the value of gamma; 1 for V-cycle, 2 for W-cycle. More... | |
| void | setAdditive (bool additive) |
| Set whether to use additive multigrid. More... | |
| bool | getAdditive () const |
| Get whether to use additive multigrid. More... | |
| void | setMaxLevel (int l) |
| Set the maximum number of levels allowed in the hierarchy. More... | |
| int | maxLevel () const |
| Get the maximum number of levels allowed in the hierarchy. More... | |
| void | setCoarsenTarget (int nodes) |
| Set the maximum number of unknowns allowed on the coarsest level. More... | |
| int | coarsenTarget () const |
| Get the maximum number of unknowns allowed on the coarsest level. More... | |
| void | setMinCoarsenRate (double rate) |
| Set the minimum coarsening rate to be achieved in each coarsening. More... | |
| double | minCoarsenRate () const |
| Get the minimum coarsening rate to be achieved. More... | |
| AccumulationMode | accumulate () const |
| Whether the data should be accumulated on fewer processes on coarser levels. More... | |
| void | setAccumulate (AccumulationMode accu) |
| Set whether he data should be accumulated on fewer processes on coarser levels. More... | |
| void | setAccumulate (bool accu) |
| void | setProlongationDampingFactor (double d) |
| Set the damping factor for the prolongation. More... | |
| double | getProlongationDampingFactor () const |
| Get the damping factor for the prolongation. More... | |
| void | setDefaultValuesIsotropic (std::size_t dim, std::size_t diameter=2) |
| Sets reasonable default values for an isotropic problem. More... | |
| void | setDefaultValuesAnisotropic (std::size_t dim, std::size_t diameter=2) |
| Sets reasonable default values for an anisotropic problem. More... | |
| std::size_t | maxDistance () const |
| Get the maximal distance allowed between two nodes in a aggregate. More... | |
| void | setMaxDistance (std::size_t distance) |
| Set the maximal distance allowed between two nodes in a aggregate. More... | |
| bool | skipIsolated () const |
| Whether isolated aggregates will not be represented on the coarse level. More... | |
| void | setSkipIsolated (bool skip) |
| Set whether isolated aggregates will not be represented on the coarse level. More... | |
| std::size_t | minAggregateSize () const |
| Get the minimum number of nodes a aggregate has to consist of. More... | |
| void | setMinAggregateSize (std::size_t size) |
| Set the minimum number of nodes a aggregate has to consist of. More... | |
| std::size_t | maxAggregateSize () const |
| Get the maximum number of nodes a aggregate is allowed to have. More... | |
| void | setMaxAggregateSize (std::size_t size) |
| Set the maximum number of nodes a aggregate is allowed to have. More... | |
| std::size_t | maxConnectivity () const |
| Get the maximum number of connections a aggregate is allowed to have. More... | |
| void | setMaxConnectivity (std::size_t connectivity) |
| Set the maximum number of connections a aggregate is allowed to have. More... | |
| void | setBeta (double b) |
| Set threshold for marking nodes as isolated. The default value is 1.0E-5. More... | |
| double | beta () const |
| Get the threshold for marking nodes as isolated. The default value is 1.0E-5. More... | |
| void | setAlpha (double a) |
| Set the scaling value for marking connections as strong. Default value is 1/3. More... | |
| double | alpha () const |
| Get the scaling value for marking connections as strong. Default value is 1/3. More... | |
Protected Types | |
| typedef Matrix::field_type | field_type |
| The current max value. More... | |
| typedef FieldTraits< field_type >::real_type | real_type |
Protected Attributes | |
| const Matrix * | matrix_ |
| The matrix we work on. More... | |
| real_type | maxValue_ |
| Norm | norm_ |
| The functor for calculating the norm. More... | |
| int | row_ |
| index of the currently evaluated row. More... | |
| real_type | diagonal_ |
| The norm of the current diagonal. More... | |
Detailed Description
template<class M, class N>
class Dune::Amg::SymmetricDependency< M, N >
class Dune::Amg::SymmetricDependency< M, N >
Dependency policy for symmetric matrices.
The documentation for this class was generated from the following file:
