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MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node > Class Template Reference

Factory for building tentative prolongator. More...

#include <MueLu_TentativePFactory_decl.hpp>

Inheritance diagram for MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >:
MueLu::PFactory MueLu::TwoLevelFactoryBase MueLu::Factory MueLu::FactoryBase MueLu::FactoryAcceptor MueLu::ParameterListAcceptorImpl MueLu::BaseClass MueLu::ParameterListAcceptor MueLu::VerboseObject MueLu::Describable

Build methods.

bool bTransferCoordinates_ = false
 
void Build (Level &fineLevel, Level &coarseLevel) const
 Build an object with this factory.
 
void BuildP (Level &fineLevel, Level &coarseLevel) const
 Abstract Build method.
 
void BuildPuncoupled (RCP< Matrix > A, RCP< Aggregates > aggregates, RCP< AmalgamationInfo > amalgInfo, RCP< MultiVector > fineNullspace, RCP< const Map > coarseMap, RCP< Matrix > &Ptentative, RCP< MultiVector > &coarseNullspace, const int levelID) const
 
void BuildPcoupled (RCP< Matrix > A, RCP< Aggregates > aggregates, RCP< AmalgamationInfo > amalgInfo, RCP< MultiVector > fineNullspace, RCP< const Map > coarseMap, RCP< Matrix > &Ptentative, RCP< MultiVector > &coarseNullspace) const
 
void BuildPuncoupledBlockCrs (RCP< Matrix > A, RCP< Aggregates > aggregates, RCP< AmalgamationInfo > amalgInfo, RCP< MultiVector > fineNullspace, RCP< const Map > coarseMap, RCP< Matrix > &Ptentative, RCP< MultiVector > &coarseNullspace, const int levelID) const
 

Constructors/Destructors.

 TentativePFactory ()
 Constructor.
 
virtual ~TentativePFactory ()
 Destructor.
 
RCP< const ParameterList > GetValidParameterList () const
 Return a const parameter list of valid parameters that setParameterList() will accept.
 
void DeclareInput (Level &fineLevel, Level &coarseLevel) const
 Input.
 

Additional Inherited Members

- Public Member Functions inherited from MueLu::PFactory
 PFactory ()
 Constructor.
 
virtual ~PFactory ()
 Destructor.
 
void setRestrictionMode (bool bRestrictionMode=false)
 
bool isRestrictionModeSet ()
 returns restrictionMode flag
 
- Public Member Functions inherited from MueLu::TwoLevelFactoryBase
 TwoLevelFactoryBase ()
 Constructor.
 
virtual ~TwoLevelFactoryBase ()
 Destructor.
 
virtual void CallDeclareInput (Level &requestedLevel) const
 
virtual void CallBuild (Level &requestedLevel) const
 
- Public Member Functions inherited from MueLu::Factory
 Factory ()
 Constructor.
 
virtual ~Factory ()
 Destructor.
 
virtual void SetFactory (const std::string &varName, const RCP< const FactoryBase > &factory)
 Configuration.
 
const RCP< const FactoryBaseGetFactory (const std::string &varName) const
 Default implementation of FactoryAcceptor::GetFactory()
 
RCP< ParameterList > RemoveFactoriesFromList (const ParameterList &list) const
 
void EnableMultipleCallCheck () const
 
void DisableMultipleCallCheck () const
 
void ResetDebugData () const
 
- Public Member Functions inherited from MueLu::FactoryBase
 FactoryBase ()
 Constructor.
 
virtual ~FactoryBase ()
 Destructor.
 
int GetID () const
 return unique factory id
 
- Public Member Functions inherited from MueLu::BaseClass
virtual ~BaseClass ()
 Destructor.
 
- Public Member Functions inherited from MueLu::VerboseObject
 VerboseObject ()
 
virtual ~VerboseObject ()
 Destructor.
 
VerbLevel GetVerbLevel () const
 Get the verbosity level.
 
void SetVerbLevel (const VerbLevel verbLevel)
 Set the verbosity level of this object.
 
int GetProcRankVerbose () const
 Get proc rank used for printing. Do not use this information for any other purpose.
 
int SetProcRankVerbose (int procRank) const
 Set proc rank used for printing.
 
bool IsPrint (MsgType type, int thisProcRankOnly=-1) const
 Find out whether we need to print out information for a specific message type.
 
Teuchos::FancyOStream & GetOStream (MsgType type, int thisProcRankOnly=0) const
 Get an output stream for outputting the input message type.
 
Teuchos::FancyOStream & GetBlackHole () const
 
- Public Member Functions inherited from MueLu::Describable
virtual ~Describable ()
 Destructor.
 
virtual void describe (Teuchos::FancyOStream &out_arg, const VerbLevel verbLevel=Default) const
 
virtual std::string description () const
 Return a simple one-line description of this object.
 
void describe (Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const
 Print the object with some verbosity level to an FancyOStream object.
 
virtual std::string ShortClassName () const
 Return the class name of the object, without template parameters and without namespace.
 
- Public Member Functions inherited from MueLu::FactoryAcceptor
virtual ~FactoryAcceptor ()
 
- Public Member Functions inherited from MueLu::ParameterListAcceptorImpl
 ParameterListAcceptorImpl ()
 
virtual ~ParameterListAcceptorImpl ()=default
 
virtual void SetParameterList (const Teuchos::ParameterList &paramList)
 Set parameters from a parameter list and return with default values.
 
virtual const Teuchos::ParameterList & GetParameterList () const
 
void SetParameter (const std::string &name, const ParameterEntry &entry)
 Set a parameter directly as a ParameterEntry.
 
const ParameterEntry & GetParameter (const std::string &name) const
 Retrieves a const entry with the name name.
 
virtual void GetDocumentation (std::ostream &os) const
 
- Public Member Functions inherited from MueLu::ParameterListAcceptor
 ParameterListAcceptor ()
 
virtual ~ParameterListAcceptor ()=default
 
- Static Public Member Functions inherited from MueLu::Factory
static void EnableTimerSync ()
 
static void DisableTimerSync ()
 
static void EnableMultipleCheckGlobally ()
 
static void DisableMultipleCheckGlobally ()
 
- Static Public Member Functions inherited from MueLu::VerboseObject
static void SetDefaultVerbLevel (const VerbLevel defaultVerbLevel)
 Set the default (global) verbosity level.
 
static VerbLevel GetDefaultVerbLevel ()
 Get the default (global) verbosity level.
 
static void SetMueLuOStream (const Teuchos::RCP< Teuchos::FancyOStream > &mueluOStream)
 
static void SetMueLuOFileStream (const std::string &filename)
 
static Teuchos::RCP< Teuchos::FancyOStream > GetMueLuOStream ()
 
- Protected Member Functions inherited from MueLu::Factory
void Input (Level &level, const std::string &varName) const
 
void Input (Level &level, const std::string &varName, const std::string &varParamName) const
 
template<class T >
Get (Level &level, const std::string &varName) const
 
template<class T >
Get (Level &level, const std::string &varName, const std::string &varParamName) const
 
template<class T >
void Set (Level &level, const std::string &varName, const T &data) const
 
bool IsAvailable (Level &level, const std::string &varName) const
 
- Protected Attributes inherited from MueLu::PFactory
bool restrictionMode_
 
- Static Protected Attributes inherited from MueLu::Factory
static bool timerSync_ = false
 

Detailed Description

template<class Scalar = DefaultScalar, class LocalOrdinal = DefaultLocalOrdinal, class GlobalOrdinal = DefaultGlobalOrdinal, class Node = DefaultNode>
class MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >

Factory for building tentative prolongator.

Factory for creating tentative prolongator. Nullspace vectors are split across aggregates so that they have local support. The vectors with local support are factored via LAPACK QR. The Q becomes the tentative prolongator, and the R becomes the coarse nullspace.

Note that the TentativePFactory also creates the coarse null space vectors, that is, it serves as generating factory for the Nullspace vectors on the coarse levels. To feed in the near null space vectors on the finest level one has to use the NullspaceFactory.

Input/output of TentativePFactory

User parameters of TentativePFactory

Parameter type default master.xml validated requested description
A Factory null * * Generating factory of the matrix A
Aggregates Factory null * * Generating factory of the aggregates (of type "Aggregates" produced, e.g., by the UncoupledAggregationFactory)
Nullspace Factory null * * Generating factory of the fine nullspace vectors (of type "MultiVector"). In the default case the same instance of the TentativePFactory is also the generating factory for the null space vectors (on the next coarser levels). Therefore, it is recommended to declare the TentativePFactory to be the generating factory of the "Nullspace" variable globally using the FactoryManager object! For defining the near null space vectors on the finest level one should use the NullspaceFactory.
UnAmalgamationInfo Factory null * * Generating factory of UnAmalgamationInfo. This data (of type "AmalgamationInfo") is produced by the AmalgamationFactory class. The default option should be fine for most standard cases though.
CoarseMap Factory null * * Generating factory of the coarse map. The map generates the coarse domain map of the prolongation operator. The default choice should be fine as long as you do not wish some offset in the domain map (e.g. for block operators in multiphysics problems). The data is generated by the CoarseMapFactory.

The * in the master.xml column denotes that the parameter is defined in the master.xml file.
The * in the validated column means that the parameter is declared in the list of valid input parameters (see TentativePFactory::GetValidParameters).
The * in the requested column states that the data is requested as input with all dependencies (see TentativePFactory::DeclareInput).

Variables provided by TentativePFactory

After TentativePFactory::Build the following data is available (if requested)

Parameter generated by description
P TentativePFactory Non-smoothed "tentative" prolongation operator (with piece-wise constant transfer operator basis functions)
Nullspace TentativePFactory Coarse near null space vectors. Please also check the documentation of the NullspaceFactory for the special dependency tree of the "Nullspace" variable throughout all multigrid levels.

Factory for creating tentative prolongator. Nullspace vectors are split across aggregates so that they have local support. The vectors with local support are factored via LAPACK QR. The Q becomes the tentative prolongator, and the R becomes the coarse nullspace.

Note that the TentativePFactory also creates the coarse null space vectors, that is, it serves as generating factory for the Nullspace vectors on the coarse levels. To feed in the near null space vectors on the finest level one has to use the NullspaceFactory.

Input/output of TentativePFactory

User parameters of TentativePFactory

Parameter type default master.xml validated requested description
A Factory null * * Generating factory of the matrix A
Aggregates Factory null * * Generating factory of the aggregates (of type "Aggregates" produced, e.g., by the UncoupledAggregationFactory)
Nullspace Factory null * * Generating factory of the fine nullspace vectors (of type "MultiVector"). In the default case the same instance of the TentativePFactory is also the generating factory for the null space vectors (on the next coarser levels). Therefore, it is recommended to declare the TentativePFactory to be the generating factory of the "Nullspace" variable globally using the FactoryManager object! For defining the near null space vectors on the finest level one should use the NullspaceFactory.
UnAmalgamationInfo Factory null * * Generating factory of UnAmalgamationInfo. This data (of type "AmalgamationInfo") is produced by the AmalgamationFactory class. The default option should be fine for most standard cases though.
CoarseMap Factory null * * Generating factory of the coarse map. The map generates the coarse domain map of the prolongation operator. The default choice should be fine as long as you do not wish some offset in the domain map (e.g. for block operators in multiphysics problems). The data is generated by the CoarseMapFactory.

The * in the master.xml column denotes that the parameter is defined in the master.xml file.
The * in the validated column means that the parameter is declared in the list of valid input parameters (see TentativePFactory::GetValidParameters).
The * in the requested column states that the data is requested as input with all dependencies (see TentativePFactory::DeclareInput).

Variables provided by TentativePFactory

After TentativePFactory::Build the following data is available (if requested)

Parameter generated by description
P TentativePFactory Non-smoothed "tentative" prolongation operator (with piece-wise constant transfer operator basis functions)
Nullspace TentativePFactory Coarse near null space vectors. Please also check the documentation of the NullspaceFactory for the special dependency tree of the "Nullspace" variable throughout all multigrid levels.

Definition at line 123 of file MueLu_TentativePFactory_decl.hpp.

Constructor & Destructor Documentation

◆ TentativePFactory()

template<class Scalar = DefaultScalar, class LocalOrdinal = DefaultLocalOrdinal, class GlobalOrdinal = DefaultGlobalOrdinal, class Node = DefaultNode>
MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::TentativePFactory ( )
inline

Constructor.

Definition at line 132 of file MueLu_TentativePFactory_decl.hpp.

◆ ~TentativePFactory()

template<class Scalar = DefaultScalar, class LocalOrdinal = DefaultLocalOrdinal, class GlobalOrdinal = DefaultGlobalOrdinal, class Node = DefaultNode>
virtual MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::~TentativePFactory ( )
inlinevirtual

Destructor.

Definition at line 135 of file MueLu_TentativePFactory_decl.hpp.

Member Function Documentation

◆ GetValidParameterList()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
RCP< const ParameterList > MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::GetValidParameterList ( ) const
virtual

Return a const parameter list of valid parameters that setParameterList() will accept.

Also define the default values of parameters according to the input parameter list.

Reimplemented from MueLu::Factory.

Definition at line 88 of file MueLu_TentativePFactory_def.hpp.

◆ DeclareInput()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
void MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::DeclareInput ( Level & fineLevel,
Level & coarseLevel ) const
virtual

Input.

Implements MueLu::TwoLevelFactoryBase.

Definition at line 116 of file MueLu_TentativePFactory_def.hpp.

◆ Build()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
void MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::Build ( Level & fineLevel,
Level & coarseLevel ) const
virtual

Build an object with this factory.

Implements MueLu::TwoLevelFactoryBase.

Definition at line 139 of file MueLu_TentativePFactory_def.hpp.

◆ BuildP()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
void MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::BuildP ( Level & fineLevel,
Level & coarseLevel ) const
virtual

Abstract Build method.

Implements MueLu::PFactory.

Definition at line 144 of file MueLu_TentativePFactory_def.hpp.

◆ BuildPuncoupled()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
void MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::BuildPuncoupled ( RCP< Matrix > A,
RCP< Aggregates > aggregates,
RCP< AmalgamationInfo > amalgInfo,
RCP< MultiVector > fineNullspace,
RCP< const Map > coarseMap,
RCP< Matrix > & Ptentative,
RCP< MultiVector > & coarseNullspace,
const int levelID ) const
private

Definition at line 858 of file MueLu_TentativePFactory_def.hpp.

◆ BuildPcoupled()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
void MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::BuildPcoupled ( RCP< Matrix > A,
RCP< Aggregates > aggregates,
RCP< AmalgamationInfo > amalgInfo,
RCP< MultiVector > fineNullspace,
RCP< const Map > coarseMap,
RCP< Matrix > & Ptentative,
RCP< MultiVector > & coarseNullspace ) const
private

Definition at line 485 of file MueLu_TentativePFactory_def.hpp.

◆ BuildPuncoupledBlockCrs()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >
void MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::BuildPuncoupledBlockCrs ( RCP< Matrix > A,
RCP< Aggregates > aggregates,
RCP< AmalgamationInfo > amalgInfo,
RCP< MultiVector > fineNullspace,
RCP< const Map > coarseMap,
RCP< Matrix > & Ptentative,
RCP< MultiVector > & coarseNullspace,
const int levelID ) const
private

Definition at line 286 of file MueLu_TentativePFactory_def.hpp.

Member Data Documentation

◆ bTransferCoordinates_

template<class Scalar = DefaultScalar, class LocalOrdinal = DefaultLocalOrdinal, class GlobalOrdinal = DefaultGlobalOrdinal, class Node = DefaultNode>
bool MueLu::TentativePFactory< Scalar, LocalOrdinal, GlobalOrdinal, Node >::bTransferCoordinates_ = false
mutableprivate

Definition at line 164 of file MueLu_TentativePFactory_decl.hpp.


The documentation for this class was generated from the following files: