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ug4
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#include <uzawa.h>
Inheritance diagram for ug::UzawaBase< TDomain, TAlgebra >:Public Types | |
| typedef TGridFunction::element_type | TElement |
| typedef GridFunction< TDomain, TAlgebra > | TGridFunction |
| typedef TGridFunction::side_type | TSide |
| typedef TAlgebra | algebra_type |
| typedef TAlgebra::vector_type | vector_type |
| typedef TAlgebra::matrix_type | matrix_type |
| typedef MatrixOperator< matrix_type, vector_type > | matrix_operator_type |
Public Types inherited from ug::IPreconditioner< TAlgebra > | |
| typedef TAlgebra | algebra_type |
| Algebra type. | |
| typedef MatrixOperator< matrix_type, vector_type > | matrix_operator_type |
| Matrix Operator type. | |
| typedef TAlgebra::matrix_type | matrix_type |
| Matrix type. | |
| typedef TAlgebra::vector_type | vector_type |
| Vector type. | |
Public Types inherited from ug::ILinearIterator< TAlgebra::vector_type > | |
| typedef TAlgebra::vector_type | codomain_function_type |
| Range space. | |
| typedef TAlgebra::vector_type | domain_function_type |
| Domain space. | |
Public Types inherited from ug::DebugWritingObject< TAlgebra > | |
| typedef TAlgebra | algebra_type |
| type of algebra | |
| typedef TAlgebra::matrix_type | matrix_type |
| type of matrix | |
| typedef TAlgebra::vector_type | vector_type |
| type of vector | |
Public Types inherited from ug::VectorDebugWritingObject< TAlgebra::vector_type > | |
| typedef TAlgebra::vector_type | vector_type |
| type of vector | |
Public Member Functions | |
| SmartPtr< ILinearIterator< typename TAlgebra::vector_type > > | clone () |
| clone | |
| void | extract_schur_update (const matrix_type &K, const TGridFunction &c) |
| Update C22 block by matrix. | |
| void | extract_sub_matrices (const matrix_type &K, const TGridFunction &c) |
| extract block matrix operators (called once) | |
| virtual bool | init (SmartPtr< ILinearOperator< vector_type > > J, const vector_type &u) |
| Overriding base type. | |
| void | init_block_iterations () |
| void | init_block_operators () |
| allocate block matrix operators | |
| void | postprocess_block_iterations () |
| void | set_backward_iter (SmartPtr< ILinearIterator< vector_type > > iter) |
| void | set_forward_iter (SmartPtr< ILinearIterator< vector_type > > iter) |
| void | set_schur_iter (SmartPtr< ILinearIterator< vector_type > > iter) |
| void | set_schur_operator_update (SmartPtr< AssembledLinearOperator< TAlgebra > > spSchurUpdateOp, double theta=0.0) |
| virtual bool | supports_parallel () const |
| returns if parallel solving is supported | |
| UzawaBase (const char *sSchurCmp) | |
| UzawaBase (const std::vector< std::string > &vSchurCmp) | |
| default constructor | |
| virtual | ~UzawaBase () |
Public Member Functions inherited from ug::IPreconditioner< TAlgebra > | |
| virtual bool | apply (vector_type &c, const vector_type &d) |
| compute new correction c = B*d | |
| virtual bool | apply_update_defect (vector_type &c, vector_type &d) |
| compute new correction c = B*d and update defect d:= d - L*c | |
| SmartPtr< MatrixOperator< matrix_type, vector_type > > | approx_operator () |
| underlying matrix based operator used for the preconditioner | |
| SmartPtr< MatrixOperator< matrix_type, vector_type > > | defect_operator () |
| underlying matrix based operator for calculation of defect | |
| bool | init (SmartPtr< ILinearOperator< vector_type > > L) |
| implements the ILinearIterator-interface for matrix based preconditioner | |
| bool | init (SmartPtr< MatrixOperator< matrix_type, vector_type > > Op) |
| initializes the preconditioner for a matrix based operator | |
| IPreconditioner () | |
| default constructor | |
| IPreconditioner (const IPreconditioner< TAlgebra > &parent) | |
| clone constructor | |
| IPreconditioner (SmartPtr< IDebugWriter< algebra_type > > spDebugWriter) | |
| constructor setting debug writer | |
| virtual void | set_approximation (SmartPtr< MatrixOperator< matrix_type, vector_type > > approx) |
| virtual | ~IPreconditioner () |
| virtual destructor | |
Public Member Functions inherited from ug::ILinearIterator< TAlgebra::vector_type > | |
| virtual std::string | config_string () const |
| SmartPtr< IDamping< TAlgebra::vector_type, TAlgebra::vector_type > > | damping () |
| returns the scaling | |
| ILinearIterator () | |
| constructor | |
| ILinearIterator (const ILinearIterator< TAlgebra::vector_type, TAlgebra::vector_type > &parent) | |
| copy constructor | |
| virtual bool | init (SmartPtr< ILinearOperator< TAlgebra::vector_type, TAlgebra::vector_type > > J, const TAlgebra::vector_type &u)=0 |
| initialize for operator J(u) and linearization point u | |
| virtual bool | init (SmartPtr< ILinearOperator< TAlgebra::vector_type, TAlgebra::vector_type > > L)=0 |
| initialize for linear operator L | |
| void | set_damp (number factor) |
| sets the damping to a constant factor | |
| void | set_damp (SmartPtr< IDamping< TAlgebra::vector_type, TAlgebra::vector_type > > spScaling) |
| sets a scaling for the correction | |
| virtual | ~ILinearIterator () |
| virtual destructor | |
Public Member Functions inherited from ug::DebugWritingObject< TAlgebra > | |
| SmartPtr< IDebugWriter< algebra_type > > | debug_writer () |
| returns the debug writer | |
| ConstSmartPtr< IDebugWriter< algebra_type > > | debug_writer () const |
| bool | debug_writer_valid () const |
| returns true if the debug writer is set | |
| DebugWritingObject () | |
| DebugWritingObject (const DebugWritingObject< algebra_type > &parent) | |
| clone constructor | |
| DebugWritingObject (SmartPtr< IDebugWriter< algebra_type > > spDebugWriter) | |
| virtual | ~DebugWritingObject () |
| virtual destructor | |
Public Member Functions inherited from ug::VectorDebugWritingObject< TAlgebra::vector_type > | |
| virtual void | set_debug (SmartPtr< IVectorDebugWriter< vector_type > > spDebugWriter) |
| set debug writer | |
| SmartPtr< IVectorDebugWriter< vector_type > > | vector_debug_writer () |
| returns the debug writer | |
| ConstSmartPtr< IVectorDebugWriter< vector_type > > | vector_debug_writer () const |
| bool | vector_debug_writer_valid () const |
| returns true if the debug writer is set | |
| VectorDebugWritingObject () | |
| VectorDebugWritingObject (SmartPtr< IVectorDebugWriter< vector_type > > spDebugWriter) | |
| void | write_debug (const vector_type &vec, const char *filename) |
| writing debug output for a vector (if debug writer set) | |
| virtual | ~VectorDebugWritingObject () |
| virtual destructor | |
Static Public Attributes | |
| static const int | dim = TDomain::dim |
| World dimension. | |
Protected Types | |
| typedef IPreconditioner< TAlgebra > | base_type |
| enum | BLOCK { AUX_A11 , B12 , B21 , AUX_C22 , AUX_M22 , AUX_ARRAY_SIZE } |
Protected Member Functions | |
| void | create_slice_debug_writers () |
| void | init_in_first_step (const matrix_type &pMat, const TGridFunction &pC) |
| void | my_write_debug (const matrix_type &mat, std::string name, const GridLevel &glTo, const GridLevel &glFrom) |
| void | my_write_debug (const matrix_type &mat, std::string name, const TGridFunction &rTo, const TGridFunction &rFrom) |
| auxiliary matrices (not cloned!) | |
| virtual void | my_write_debug (const TGridFunction &rGF, std::string name) |
| virtual const char * | name () const |
| name | |
| virtual bool | postprocess () |
| cleans the operator | |
| virtual bool | preprocess (SmartPtr< MatrixOperator< matrix_type, vector_type > > pOp) |
| initializes the preconditioner | |
| template<int d> | |
| void | reset_slice_debug_writers () |
| void | set_debug (SmartPtr< IDebugWriter< algebra_type > > spDebugWriter) |
| set debug writer | |
| virtual bool | step (SmartPtr< MatrixOperator< matrix_type, vector_type > > pOp, vector_type &c, const vector_type &d) |
| computes a new correction c = B*d | |
Protected Member Functions inherited from ug::DebugWritingObject< TAlgebra > | |
| void | enter_debug_writer_section (const char *secDir) |
| enters a debugging section | |
| void | enter_debug_writer_section (std::string secDir) |
| enters a debugging section | |
| void | leave_debug_writer_section () |
| leaves a debugging section | |
| void | write_debug (const matrix_type &mat, const char *filename) |
| write debug output for a matrix (if debug writer set) | |
| void | write_debug (const matrix_type &mat, std::string name) |
| write debug output for a matrix (if debug writer set) | |
Protected Member Functions inherited from ug::VectorDebugWritingObject< TAlgebra::vector_type > | |
| void | enter_vector_debug_writer_section (const char *secDir) |
| enters a debugging section | |
| void | enter_vector_debug_writer_section (std::string secDir) |
| enters a debugging section | |
| void | leave_vector_debug_writer_section () |
| leaves a debugging section | |
| void | print_debugger_message (const char *msg) |
| prints a debugger message (listing all the sections) | |
| void | print_debugger_message (std::string msg) |
| prints a debugger message (listing all the sections) | |
| virtual void | write_debug (const vector_type &vec, std::string name) |
| writing debug output for a vector (if debug writer set) | |
Protected Attributes | |
| matrix_type | m_A |
| SmartPtr< matrix_operator_type > | m_auxMat [AUX_ARRAY_SIZE] |
| bool | m_bInit |
| flag indicating, whether operator must be initialized | |
| double | m_dSchurUpdateWeight |
| scaling factor for (additive) Schur complement update | |
| UzawaSlicing< TGridFunction > | m_slicing |
| object for slicing routines | |
| SmartPtr< ILinearIterator< vector_type > > | m_spBackwardInverse |
| iteration for forward system | |
| SmartPtr< ILinearIterator< vector_type > > | m_spForwardInverse |
| iteration for forward system | |
| SmartPtr< GridFunctionDebugWriter< TDomain, TAlgebra > > | m_spGridFunctionDebugWriter |
| SmartPtr< ILinearIterator< vector_type > > | m_SpSchurComplementInverse |
| iteration for forward system | |
| SmartPtr< AssembledLinearOperator< TAlgebra > > | m_spSchurUpdateOp |
| assembly for (additive) Schur complement update | |
| SmartPtr< IDebugWriter< algebra_type > > | m_spSliceDebugWriter [2] |
| std::vector< std::string > | m_vSchurCmp |
| vector of strings identifying components used for Schur complement | |
Protected Attributes inherited from ug::IPreconditioner< TAlgebra > | |
| bool | m_bInit |
| init flag indicating if init has been called | |
| bool | m_bOtherApproxOperator |
| SmartPtr< MatrixOperator< matrix_type, vector_type > > | m_spApproxOperator |
| underlying matrix based operator used for the preconditioner | |
| SmartPtr< ILinearOperator< vector_type > > | m_spDefectOperator |
| underlying matrix based operator for calculation of defect | |
Protected Attributes inherited from ug::ILinearIterator< TAlgebra::vector_type > | |
| SmartPtr< IDamping< TAlgebra::vector_type, TAlgebra::vector_type > > | m_spDamping |
| the scaling | |
Protected Attributes inherited from ug::DebugWritingObject< TAlgebra > | |
| SmartPtr< IDebugWriter< algebra_type > > | m_spDebugWriter |
| Debug Writer. | |
Protected Attributes inherited from ug::VectorDebugWritingObject< TAlgebra::vector_type > | |
| SmartPtr< IVectorDebugWriter< vector_type > > | m_spVectorDebugWriter |
| Debug Writer. | |
Static Private Attributes | |
| static const bool | UZAWA_CMP_DEFAULT = false |
| static const bool | UZAWA_CMP_SCHUR = true |
Base class for an Uzawa iteration
| typedef TAlgebra ug::UzawaBase< TDomain, TAlgebra >::algebra_type |
Algebra types
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protected |
| typedef MatrixOperator<matrix_type, vector_type> ug::UzawaBase< TDomain, TAlgebra >::matrix_operator_type |
Algebra types
| typedef TAlgebra::matrix_type ug::UzawaBase< TDomain, TAlgebra >::matrix_type |
Algebra types
| typedef TGridFunction::element_type ug::UzawaBase< TDomain, TAlgebra >::TElement |
| typedef GridFunction<TDomain, TAlgebra> ug::UzawaBase< TDomain, TAlgebra >::TGridFunction |
| typedef TGridFunction::side_type ug::UzawaBase< TDomain, TAlgebra >::TSide |
| typedef TAlgebra::vector_type ug::UzawaBase< TDomain, TAlgebra >::vector_type |
Algebra types
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default constructor
References ug::UzawaBase< TDomain, TAlgebra >::init_block_operators().
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References make_sp().
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Update C22 block by matrix.
References ug::UzawaBase< TDomain, TAlgebra >::AUX_C22, ug::UzawaBase< TDomain, TAlgebra >::AUX_M22, ug::CheckRowIterators(), ug::GridFunction< TDomain, TAlgebra >::grid_level(), ug::UzawaBase< TDomain, TAlgebra >::m_auxMat, ug::UzawaBase< TDomain, TAlgebra >::m_dSchurUpdateWeight, ug::UzawaBase< TDomain, TAlgebra >::m_slicing, ug::UzawaBase< TDomain, TAlgebra >::m_spSchurUpdateOp, ug::UzawaBase< TDomain, TAlgebra >::m_spSliceDebugWriter, ug::UzawaBase< TDomain, TAlgebra >::my_write_debug(), ug::SchurDebug, UG_DLOG, and ug::UzawaBase< TDomain, TAlgebra >::UZAWA_CMP_SCHUR.
Referenced by ug::UzawaBase< TDomain, TAlgebra >::init_in_first_step().
| void ug::UzawaBase< TDomain, TAlgebra >::extract_sub_matrices | ( | const matrix_type & | K, |
| const TGridFunction & | c | ||
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extract block matrix operators (called once)
References ug::SchurDebug, and UG_DLOG.
Referenced by ug::UzawaBase< TDomain, TAlgebra >::init_in_first_step().
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Overriding base type.
Reimplemented from ug::IPreconditioner< TAlgebra >.
References ug::IPreconditioner< TAlgebra >::init(), ug::UzawaBase< TDomain, TAlgebra >::init_in_first_step(), ug::UzawaBase< TDomain, TAlgebra >::m_bInit, ug::SchurDebug, UG_ASSERT, UG_DLOG, and SmartPtr< T, FreePolicy >::valid().
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References ug::UzawaBase< TDomain, TAlgebra >::AUX_A11, ug::UzawaBase< TDomain, TAlgebra >::AUX_C22, ug::UzawaBase< TDomain, TAlgebra >::m_auxMat, ug::UzawaBase< TDomain, TAlgebra >::m_spBackwardInverse, ug::UzawaBase< TDomain, TAlgebra >::m_spForwardInverse, and ug::UzawaBase< TDomain, TAlgebra >::m_SpSchurComplementInverse.
Referenced by ug::UzawaBase< TDomain, TAlgebra >::init_in_first_step().
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allocate block matrix operators
References ug::UzawaBase< TDomain, TAlgebra >::AUX_A11, ug::UzawaBase< TDomain, TAlgebra >::AUX_C22, ug::UzawaBase< TDomain, TAlgebra >::AUX_M22, ug::UzawaBase< TDomain, TAlgebra >::B12, ug::UzawaBase< TDomain, TAlgebra >::B21, ug::UzawaBase< TDomain, TAlgebra >::m_auxMat, and make_sp().
Referenced by ug::UzawaBase< TDomain, TAlgebra >::UzawaBase(), and ug::UzawaBase< TDomain, TAlgebra >::UzawaBase().
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References ug::DebugWritingObject< TAlgebra >::debug_writer(), ug::UzawaBase< TDomain, TAlgebra >::extract_schur_update(), ug::UzawaBase< TDomain, TAlgebra >::extract_sub_matrices(), ug::GridFunction< TDomain, TAlgebra >::grid_level(), ug::UzawaBase< TDomain, TAlgebra >::init_block_iterations(), ug::UzawaBase< TDomain, TAlgebra >::m_slicing, ug::UzawaBase< TDomain, TAlgebra >::m_spGridFunctionDebugWriter, ug::UzawaBase< TDomain, TAlgebra >::m_vSchurCmp, ug::SchurDebug, UG_DLOG, and UG_LOG.
Referenced by ug::UzawaBase< TDomain, TAlgebra >::init().
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auxiliary matrices (not cloned!)
References ug::GridFunction< TDomain, TAlgebra >::grid_level(), ug::UzawaBase< TDomain, TAlgebra >::my_write_debug(), and ug::UzawaBase< TDomain, TAlgebra >::name().
Referenced by ug::UzawaBase< TDomain, TAlgebra >::extract_schur_update(), and ug::UzawaBase< TDomain, TAlgebra >::my_write_debug().
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cleans the operator
Implements ug::IPreconditioner< TAlgebra >.
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initializes the preconditioner
Implements ug::IPreconditioner< TAlgebra >.
References ug::MakeConsistent(), pcl::NumProcs(), and ug::SetDirichletRow().
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References UG_LOG.
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computes a new correction c = B*d
Single step of an (inexact) Uzawa iteration.
Implements ug::IPreconditioner< TAlgebra >.
References SmartPtr< T, FreePolicy >::get(), pcl::NumProcs(), ug::PST_UNIQUE, and UG_THROW.
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returns if parallel solving is supported
Implements ug::ILinearIterator< TAlgebra::vector_type >.
References ug::UzawaBase< TDomain, TAlgebra >::m_spForwardInverse, ug::UzawaBase< TDomain, TAlgebra >::m_SpSchurComplementInverse, and UG_ASSERT.
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World dimension.
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flag indicating, whether operator must be initialized
Referenced by ug::UzawaBase< TDomain, TAlgebra >::init().
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scaling factor for (additive) Schur complement update
Referenced by ug::UzawaBase< TDomain, TAlgebra >::extract_schur_update(), and ug::UzawaBase< TDomain, TAlgebra >::set_schur_operator_update().
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object for slicing routines
Referenced by ug::UzawaBase< TDomain, TAlgebra >::extract_schur_update(), and ug::UzawaBase< TDomain, TAlgebra >::init_in_first_step().
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iteration for forward system
Referenced by ug::UzawaBase< TDomain, TAlgebra >::init_block_iterations(), and ug::UzawaBase< TDomain, TAlgebra >::set_backward_iter().
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iteration for forward system
Referenced by ug::UzawaBase< TDomain, TAlgebra >::init_block_iterations(), ug::UzawaBase< TDomain, TAlgebra >::set_forward_iter(), and ug::UzawaBase< TDomain, TAlgebra >::supports_parallel().
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iteration for forward system
Referenced by ug::UzawaBase< TDomain, TAlgebra >::init_block_iterations(), ug::UzawaBase< TDomain, TAlgebra >::set_schur_iter(), and ug::UzawaBase< TDomain, TAlgebra >::supports_parallel().
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assembly for (additive) Schur complement update
Referenced by ug::UzawaBase< TDomain, TAlgebra >::extract_schur_update(), and ug::UzawaBase< TDomain, TAlgebra >::set_schur_operator_update().
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Referenced by ug::UzawaBase< TDomain, TAlgebra >::extract_schur_update().
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vector of strings identifying components used for Schur complement
Referenced by ug::UzawaBase< TDomain, TAlgebra >::init_in_first_step().
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Referenced by ug::UzawaBase< TDomain, TAlgebra >::extract_schur_update().