Chroma::MdagMSysSolverCG< T > Class Template Reference

Solve a CG2 system. Here, the operator is NOT assumed to be hermitian. More...

#include <syssolver_mdagm_cg.h>

Inheritance diagram for Chroma::MdagMSysSolverCG< T >:

Public Member Functions
	MdagMSysSolverCG (Handle< LinearOperator< T > > A_, const SysSolverCGParams &invParam_)
	Constructor. More...
	~MdagMSysSolverCG ()
	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...
Public Member Functions inherited from Chroma::SystemSolver< T >
virtual	~SystemSolver ()
	Virtual destructor to help with cleanup;. More...

Private Member Functions
	MdagMSysSolverCG ()

Private Attributes
Handle< LinearOperator< T > >	A
SysSolverCGParams	invParam

Detailed Description

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

Solve a CG2 system. Here, the operator is NOT assumed to be hermitian.

Definition at line 34 of file syssolver_mdagm_cg.h.

Constructor & Destructor Documentation

MdagMSysSolverCG() [1/2]

template<typename T >

Chroma::MdagMSysSolverCG< T >::MdagMSysSolverCG ( Handle< LinearOperator< T > >  A_, const SysSolverCGParams &  invParam_  )

inline

Constructor.

Parameters

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

Definition at line 42 of file syssolver_mdagm_cg.h.

~MdagMSysSolverCG()

template<typename T >

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

inline

Destructor is automatic.

Definition at line 48 of file syssolver_mdagm_cg.h.

MdagMSysSolverCG() [2/2]

template<typename T >

Chroma::MdagMSysSolverCG< T >::MdagMSysSolverCG ( )

inlineprivate

Definition at line 128 of file syssolver_mdagm_cg.h.

Member Function Documentation

operator()() [1/2]

template<typename T >

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

inlinevirtual

Solver the linear system.

Parameters

psi	solution ( Modify )
chi	source ( Read )

Returns

syssolver results

Implements Chroma::MdagMSystemSolver< T >.

Definition at line 59 of file syssolver_mdagm_cg.h.

References Chroma::MdagMSysSolverCG< T >::A, Chroma::chi(), Chroma::END_CODE(), Chroma::InvCG2(), Chroma::MdagMSysSolverCG< T >::invParam, Chroma::SysSolverCGParams::MaxCG, Chroma::SysSolverCGParams::MaxCGRestart, Chroma::MINUS, Chroma::n_count, Chroma::SystemSolverResults_t::n_count, Chroma::PLUS, Chroma::psi, Chroma::r, Chroma::SystemSolverResults_t::resid, Chroma::SysSolverCGParams::RsdCG, Chroma::SysSolverCGParams::RsdCGRestart, Chroma::START_CODE(), Chroma::tmp, and Chroma::zero.

operator()() [2/2]

template<typename T >

SystemSolverResults_t Chroma::MdagMSysSolverCG< 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 105 of file syssolver_mdagm_cg.h.

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

subset()

template<typename T >

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

inlinevirtual

Return the subset on which the operator acts.

Implements Chroma::MdagMSystemSolver< T >.

Definition at line 51 of file syssolver_mdagm_cg.h.

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

Member Data Documentation

A

template<typename T >

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

private

Definition at line 130 of file syssolver_mdagm_cg.h.

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

invParam

template<typename T >

SysSolverCGParams Chroma::MdagMSysSolverCG< T >::invParam

private

Definition at line 131 of file syssolver_mdagm_cg.h.

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

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

• syssolver_mdagm_cg.h