ug4
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A preconditioner for the multi-grid context which is aware of the grid level it operates on. More...
#include <level_preconditioner_interface.h>
Public Member Functions | |
virtual void | grid_level_has_changed () |
response to change in grid level More... | |
ILevelPreconditioner () | |
constructor More... | |
ILevelPreconditioner (const GridLevel &gl) | |
constructor with grid level More... | |
ILevelPreconditioner (const ILevelPreconditioner< TAlgebra > &parent) | |
clone constructor More... | |
void | set_grid_level (const GridLevel &gl) |
set the grid level More... | |
Public Member Functions inherited from ug::IPreconditioner< TAlgebra > | |
virtual bool | apply (vector_type &c, const vector_type &d) |
compute new correction c = B*d More... | |
virtual bool | apply_update_defect (vector_type &c, vector_type &d) |
compute new correction c = B*d and update defect d:= d - L*c More... | |
SmartPtr< MatrixOperator< matrix_type, vector_type > > | approx_operator () |
underlying matrix based operator used for the preconditioner More... | |
SmartPtr< MatrixOperator< matrix_type, vector_type > > | defect_operator () |
underlying matrix based operator for calculation of defect More... | |
virtual bool | init (SmartPtr< ILinearOperator< vector_type > > J, const vector_type &u) |
implements the ILinearIterator-interface for matrix based preconditioner More... | |
bool | init (SmartPtr< ILinearOperator< vector_type > > L) |
implements the ILinearIterator-interface for matrix based preconditioner More... | |
bool | init (SmartPtr< MatrixOperator< matrix_type, vector_type > > Op) |
initializes the preconditioner for a matrix based operator More... | |
IPreconditioner () | |
default constructor More... | |
IPreconditioner (const IPreconditioner< TAlgebra > &parent) | |
clone constructor More... | |
IPreconditioner (SmartPtr< IDebugWriter< algebra_type > > spDebugWriter) | |
constructor setting debug writer More... | |
virtual void | set_approximation (SmartPtr< MatrixOperator< matrix_type, vector_type > > approx) |
virtual | ~IPreconditioner () |
virtual destructor More... | |
Public Member Functions inherited from ug::ILinearIterator< TAlgebra::vector_type > | |
virtual SmartPtr< ILinearIterator< TAlgebra::vector_type, TAlgebra::vector_type > > | clone ()=0 |
clone More... | |
virtual std::string | config_string () const |
SmartPtr< IDamping< TAlgebra::vector_type, TAlgebra::vector_type > > | damping () |
returns the scaling More... | |
ILinearIterator () | |
constructor More... | |
ILinearIterator (const ILinearIterator< TAlgebra::vector_type, TAlgebra::vector_type > &parent) | |
copy constructor More... | |
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 More... | |
virtual bool | init (SmartPtr< ILinearOperator< TAlgebra::vector_type, TAlgebra::vector_type > > L)=0 |
initialize for linear operator L More... | |
void | set_damp (number factor) |
sets the damping to a constant factor More... | |
void | set_damp (SmartPtr< IDamping< TAlgebra::vector_type, TAlgebra::vector_type > > spScaling) |
sets a scaling for the correction More... | |
virtual bool | supports_parallel () const=0 |
returns if parallel solving is supported More... | |
virtual | ~ILinearIterator () |
virtual destructor More... | |
Public Member Functions inherited from ug::DebugWritingObject< TAlgebra > | |
SmartPtr< IDebugWriter< algebra_type > > | debug_writer () |
returns the debug writer More... | |
ConstSmartPtr< IDebugWriter< algebra_type > > | debug_writer () const |
bool | debug_writer_valid () const |
returns true if the debug writer is set More... | |
DebugWritingObject () | |
DebugWritingObject (const DebugWritingObject< algebra_type > &parent) | |
clone constructor More... | |
DebugWritingObject (SmartPtr< IDebugWriter< algebra_type > > spDebugWriter) | |
virtual void | set_debug (SmartPtr< IDebugWriter< algebra_type > > spDebugWriter) |
set debug writer More... | |
virtual | ~DebugWritingObject () |
virtual destructor More... | |
Public Member Functions inherited from ug::VectorDebugWritingObject< TAlgebra::vector_type > | |
virtual void | set_debug (SmartPtr< IVectorDebugWriter< vector_type > > spDebugWriter) |
set debug writer More... | |
SmartPtr< IVectorDebugWriter< vector_type > > | vector_debug_writer () |
returns the debug writer More... | |
ConstSmartPtr< IVectorDebugWriter< vector_type > > | vector_debug_writer () const |
bool | vector_debug_writer_valid () const |
returns true if the debug writer is set More... | |
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) More... | |
virtual | ~VectorDebugWritingObject () |
virtual destructor More... | |
Protected Attributes | |
GridLevel | m_gl |
Protected Attributes inherited from ug::IPreconditioner< TAlgebra > | |
bool | m_bInit |
init flag indicating if init has been called More... | |
bool | m_bOtherApproxOperator |
SmartPtr< MatrixOperator< matrix_type, vector_type > > | m_spApproxOperator |
underlying matrix based operator used for the preconditioner More... | |
SmartPtr< ILinearOperator< vector_type > > | m_spDefectOperator |
underlying matrix based operator for calculation of defect More... | |
Protected Attributes inherited from ug::ILinearIterator< TAlgebra::vector_type > | |
SmartPtr< IDamping< TAlgebra::vector_type, TAlgebra::vector_type > > | m_spDamping |
the scaling More... | |
Protected Attributes inherited from ug::DebugWritingObject< TAlgebra > | |
SmartPtr< IDebugWriter< algebra_type > > | m_spDebugWriter |
Debug Writer. More... | |
Protected Attributes inherited from ug::VectorDebugWritingObject< TAlgebra::vector_type > | |
SmartPtr< IVectorDebugWriter< vector_type > > | m_spVectorDebugWriter |
Debug Writer. More... | |
Additional Inherited Members | |
Public Types inherited from ug::IPreconditioner< TAlgebra > | |
typedef TAlgebra | algebra_type |
Algebra type. More... | |
typedef MatrixOperator< matrix_type, vector_type > | matrix_operator_type |
Matrix Operator type. More... | |
typedef TAlgebra::matrix_type | matrix_type |
Matrix type. More... | |
typedef TAlgebra::vector_type | vector_type |
Vector type. More... | |
Public Types inherited from ug::ILinearIterator< TAlgebra::vector_type > | |
typedef TAlgebra::vector_type | codomain_function_type |
Range space. More... | |
typedef TAlgebra::vector_type | domain_function_type |
Domain space. More... | |
Public Types inherited from ug::DebugWritingObject< TAlgebra > | |
typedef TAlgebra | algebra_type |
type of algebra More... | |
typedef TAlgebra::matrix_type | matrix_type |
type of matrix More... | |
typedef TAlgebra::vector_type | vector_type |
type of vector More... | |
Public Types inherited from ug::VectorDebugWritingObject< TAlgebra::vector_type > | |
typedef TAlgebra::vector_type | vector_type |
type of vector More... | |
Protected Member Functions inherited from ug::IPreconditioner< TAlgebra > | |
virtual const char * | name () const =0 |
returns the name of iterator More... | |
virtual bool | postprocess ()=0 |
cleans the operator More... | |
virtual bool | preprocess (SmartPtr< MatrixOperator< matrix_type, vector_type > > pOp)=0 |
initializes the preconditioner More... | |
virtual bool | step (SmartPtr< MatrixOperator< matrix_type, vector_type > > pOp, vector_type &c, const vector_type &d)=0 |
computes a new correction c = B*d More... | |
Protected Member Functions inherited from ug::DebugWritingObject< TAlgebra > | |
void | enter_debug_writer_section (const char *secDir) |
enters a debugging section More... | |
void | enter_debug_writer_section (std::string secDir) |
enters a debugging section More... | |
void | leave_debug_writer_section () |
leaves a debugging section More... | |
void | write_debug (const matrix_type &mat, const char *filename) |
write debug output for a matrix (if debug writer set) More... | |
void | write_debug (const matrix_type &mat, std::string name) |
write debug output for a matrix (if debug writer set) More... | |
Protected Member Functions inherited from ug::VectorDebugWritingObject< TAlgebra::vector_type > | |
void | enter_vector_debug_writer_section (const char *secDir) |
enters a debugging section More... | |
void | enter_vector_debug_writer_section (std::string secDir) |
enters a debugging section More... | |
void | leave_vector_debug_writer_section () |
leaves a debugging section More... | |
void | print_debugger_message (const char *msg) |
prints a debugger message (listing all the sections) More... | |
void | print_debugger_message (std::string msg) |
prints a debugger message (listing all the sections) More... | |
virtual void | write_debug (const vector_type &vec, std::string name) |
writing debug output for a vector (if debug writer set) More... | |
A preconditioner for the multi-grid context which is aware of the grid level it operates on.
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inline |
constructor
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inline |
constructor with grid level
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inline |
clone constructor
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inlinevirtual |
response to change in grid level
Referenced by ug::ILevelPreconditioner< TAlgebra >::set_grid_level().
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inline |
set the grid level
References ug::ILevelPreconditioner< TAlgebra >::grid_level_has_changed(), and ug::ILevelPreconditioner< TAlgebra >::m_gl.
Referenced by ug::AssembledMultiGridCycle< TDomain, TAlgebra >::init_level_memory().
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protected |
Referenced by ug::ILevelPreconditioner< TAlgebra >::set_grid_level().