CHROMA: Chroma::MdagMSysSolverQDPEigCG< T > Class Template Reference

CHROMA

Solve a M*psi=chi linear system by CG2 with eigenvectors. More...

#include <syssolver_mdagm_eigcg_qdp.h>

Inheritance diagram for Chroma::MdagMSysSolverQDPEigCG< T >:

Public Member Functions
	MdagMSysSolverQDPEigCG (Handle< LinearOperator< T > > A_, const SysSolverEigCGParams &invParam_)
	Constructor. More...

	~MdagMSysSolverQDPEigCG ()
	Destructor is automatic. More...

const Subset &	subset () const
	Return the subset on which the operator acts. More...

SystemSolverResults_t	operator() (T &psi, const T &chi) const
	Solver the linear system. More...

SystemSolverResults_t	operator() (T &psi, const T &chi, AbsChronologicalPredictor4D< T > &predictor) const
	Solve the linear system starting with a chrono guess. More...

SystemSolverResults_t	operator() (LatticeFermionF &psi, const LatticeFermionF &chi) const

SystemSolverResults_t	operator() (LatticeFermionD &psi, const LatticeFermionD &chi) const

Public Member Functions inherited from Chroma::SystemSolver< T >
virtual	~SystemSolver ()
	Virtual destructor to help with cleanup;. More...

Private Member Functions
	MdagMSysSolverQDPEigCG ()

Private Attributes
Handle< LinearOperator< T > >	MdagM

Handle< LinearOperator< T > >	A

SysSolverEigCGParams	invParam

Detailed Description

template<typename T>
class Chroma::MdagMSysSolverQDPEigCG< T >

Solve a M*psi=chi linear system by CG2 with eigenvectors.

Definition at line 35 of file syssolver_mdagm_eigcg_qdp.h.

Constructor & Destructor Documentation

◆ MdagMSysSolverQDPEigCG() [1/2]

template<typename T >

Chroma::MdagMSysSolverQDPEigCG< T >::MdagMSysSolverQDPEigCG	(	Handle< LinearOperator< T > >	A_,
		const SysSolverEigCGParams &	invParam_
	)

inline

Constructor.

Parameters

M_	Linear operator ( Read )
invParam_	inverter parameters ( Read )

Definition at line 43 of file syssolver_mdagm_eigcg_qdp.h.

References Chroma::SysSolverEigCGParams::eigen_id, Chroma::LinAlg::RitzPairs< T >::init(), Chroma::SingletonHolder< T, CreationPolicy, LifetimePolicy, ThreadingModel >::Instance(), Chroma::MdagMSysSolverQDPEigCG< T >::invParam, Chroma::SysSolverEigCGParams::Neig, and Chroma::SysSolverEigCGParams::Neig_max.

◆ ~MdagMSysSolverQDPEigCG()

template<typename T >

Chroma::MdagMSysSolverQDPEigCG< T >::~MdagMSysSolverQDPEigCG ( )

inline

Destructor is automatic.

Definition at line 64 of file syssolver_mdagm_eigcg_qdp.h.

References Chroma::SysSolverEigCGParams::cleanUpEvecs, Chroma::SysSolverEigCGParams::eigen_id, Chroma::SingletonHolder< T, CreationPolicy, LifetimePolicy, ThreadingModel >::Instance(), and Chroma::MdagMSysSolverQDPEigCG< T >::invParam.

◆ MdagMSysSolverQDPEigCG() [2/2]

template<typename T >

Chroma::MdagMSysSolverQDPEigCG< T >::MdagMSysSolverQDPEigCG ( )

inlineprivate

Definition at line 117 of file syssolver_mdagm_eigcg_qdp.h.

Member Function Documentation

◆ operator()() [1/4]

SystemSolverResults_t Chroma::MdagMSysSolverQDPEigCG< LatticeFermionD >::operator()	(	LatticeFermionD &	psi,
		const LatticeFermionD &	chi
	)		const

Definition at line 250 of file syssolver_mdagm_eigcg_qdp.cc.

References Chroma::A(), Chroma::chi(), MdagM, and Chroma::psi.

◆ operator()() [2/4]

SystemSolverResults_t Chroma::MdagMSysSolverQDPEigCG< LatticeFermionF >::operator()	(	LatticeFermionF &	psi,
		const LatticeFermionF &	chi
	)		const

Definition at line 242 of file syssolver_mdagm_eigcg_qdp.cc.

References Chroma::A(), Chroma::chi(), MdagM, and Chroma::psi.

◆ operator()() [3/4]

template<typename T >

SystemSolverResults_t Chroma::MdagMSysSolverQDPEigCG< T >::operator()	(	T &	psi,
		const T &	chi
	)		const

virtual

Solver the linear system.

Parameters

psi	solution ( Modify )
chi	source ( Read )

Returns: syssolver results

Definitions supplied in the correspond .cc file

Implements Chroma::MdagMSystemSolver< T >.

◆ operator()() [4/4]

template<typename T >

SystemSolverResults_t Chroma::MdagMSysSolverQDPEigCG< T >::operator()	(	T &	psi,
		const T &	chi,
		AbsChronologicalPredictor4D< T > &	predictor
	)		const

inlinevirtual

Solve the linear system starting with a chrono guess.

Parameters

psi	solution (Write)
chi	source (Read)
predictor	a chronological predictor (Read)

Returns: syssolver results

Implements Chroma::MdagMSystemSolver< T >.

Definition at line 94 of file syssolver_mdagm_eigcg_qdp.h.

References Chroma::MdagMSysSolverQDPEigCG< T >::A, Chroma::chi(), Chroma::END_CODE(), Chroma::MdagMSysSolverQDPEigCG< T >::MdagM, Chroma::AbsChronologicalPredictor4D< T >::newVector(), Chroma::psi, and Chroma::START_CODE().

◆ subset()

template<typename T >

const Subset& Chroma::MdagMSysSolverQDPEigCG< T >::subset ( void ) const

inlinevirtual

Return the subset on which the operator acts.

Implements Chroma::MdagMSystemSolver< T >.

Definition at line 73 of file syssolver_mdagm_eigcg_qdp.h.

References Chroma::MdagMSysSolverQDPEigCG< T >::A.

Member Data Documentation

◆ A

template<typename T >

Handle< LinearOperator<T> > Chroma::MdagMSysSolverQDPEigCG< T >::A

private

Definition at line 120 of file syssolver_mdagm_eigcg_qdp.h.

Referenced by Chroma::MdagMSysSolverQDPEigCG< T >::operator()(), and Chroma::MdagMSysSolverQDPEigCG< T >::subset().

◆ invParam

template<typename T >

SysSolverEigCGParams Chroma::MdagMSysSolverQDPEigCG< T >::invParam

private

Definition at line 121 of file syssolver_mdagm_eigcg_qdp.h.

Referenced by Chroma::MdagMSysSolverQDPEigCG< T >::MdagMSysSolverQDPEigCG(), and Chroma::MdagMSysSolverQDPEigCG< T >::~MdagMSysSolverQDPEigCG().

◆ MdagM

template<typename T >

Handle< LinearOperator<T> > Chroma::MdagMSysSolverQDPEigCG< T >::MdagM

private

Definition at line 119 of file syssolver_mdagm_eigcg_qdp.h.

Referenced by Chroma::MdagMSysSolverQDPEigCG< T >::operator()().

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

syssolver_mdagm_eigcg_qdp.h