Chroma::MdagMSysSolverQOPMG Class Reference

Solve a M*psi=chi linear system using the external QDP multigrid inverter. More...

#include <syssolver_mdagm_qop_mg_w.h>

Inheritance diagram for Chroma::MdagMSysSolverQOPMG:

Public Types
typedef LatticeFermion	T
typedef LatticeColorMatrix	U
typedef multi1d< LatticeColorMatrix >	Q

Public Member Functions
	MdagMSysSolverQOPMG (Handle< LinearOperator< T > > A_, Handle< FermState< T, Q, Q > > state_, const SysSolverQOPMGParams &invParam_)
	Constructor. More...
	~MdagMSysSolverQOPMG ()
	Destructor finalizes the QDP environment. 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. More...
Public Member Functions inherited from Chroma::SystemSolver< LatticeFermion >
virtual	~SystemSolver ()
	Virtual destructor to help with cleanup;. More...

Private Member Functions
	MdagMSysSolverQOPMG ()

Private Attributes
Handle< FermState< T, Q, Q > >	state
Handle< LinearOperator< T > >	A
SysSolverQOPMGParams	invParam
Handle< LinOpSysSolverQOPMG >	Dinv

Detailed Description

Solve a M*psi=chi linear system using the external QDP multigrid inverter.

Definition at line 36 of file syssolver_mdagm_qop_mg_w.h.

Member Typedef Documentation

Q

typedef multi1d<LatticeColorMatrix> Chroma::MdagMSysSolverQOPMG::Q

Definition at line 41 of file syssolver_mdagm_qop_mg_w.h.

T

typedef LatticeFermion Chroma::MdagMSysSolverQOPMG::T

Definition at line 39 of file syssolver_mdagm_qop_mg_w.h.

U

typedef LatticeColorMatrix Chroma::MdagMSysSolverQOPMG::U

Definition at line 40 of file syssolver_mdagm_qop_mg_w.h.

Constructor & Destructor Documentation

MdagMSysSolverQOPMG() [1/2]

Chroma::MdagMSysSolverQOPMG::MdagMSysSolverQOPMG	(	Handle< LinearOperator< T > >	A_,
		Handle< FermState< T, Q, Q > >	state_,
		const SysSolverQOPMGParams &	invParam_
	)

Constructor.

Parameters

A_	Linear operator ( Read )
state_	The ferm State (Read)
invParam	inverter parameters ( Read )

Definition at line 62 of file syssolver_mdagm_qop_mg_w.cc.

~MdagMSysSolverQOPMG()

Chroma::MdagMSysSolverQOPMG::~MdagMSysSolverQOPMG

(

)

Destructor finalizes the QDP environment.

Definition at line 73 of file syssolver_mdagm_qop_mg_w.cc.

MdagMSysSolverQOPMG() [2/2]

Chroma::MdagMSysSolverQOPMG::MdagMSysSolverQOPMG ( )

inlineprivate

Definition at line 73 of file syssolver_mdagm_qop_mg_w.h.

Member Function Documentation

operator()() [1/2]

SystemSolverResults_t Chroma::MdagMSysSolverQOPMG::operator() ( T &  psi, const T &  chi  ) const

virtual

Solver the linear system.

Solve the linear system.

Parameters

psi	solution ( Modify )
chi	source ( Read )

Returns

syssolver results

Parameters

psi	solution ( Modify )
chi	source ( Read )
isign	solve with dagger or not

Returns

syssolver results

Implements Chroma::MdagMSystemSolver< LatticeFermion >.

Definition at line 300 of file syssolver_mdagm_qop_mg_w.cc.

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

operator()() [2/2]

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

virtual

Solve the linear system.

Parameters

psi	solution ( Modify )
chi	source ( Read )

Returns

syssolver results

Implements Chroma::MdagMSystemSolver< LatticeFermion >.

Definition at line 86 of file syssolver_mdagm_qop_mg_w.cc.

References A, bc, Chroma::chi(), Chroma::END_CODE(), invParam, Chroma::SysSolverQOPMGParams::Mass, Chroma::MINUS, Chroma::SystemSolverResults_t::n_count, Nd, Chroma::AbsTwoStepChronologicalPredictor4D< T >::newXVector(), Chroma::AbsTwoStepChronologicalPredictor4D< T >::newYVector(), Chroma::PLUS, Chroma::AbsTwoStepChronologicalPredictor4D< T >::predictX(), Chroma::AbsTwoStepChronologicalPredictor4D< T >::predictY(), Chroma::psi, Chroma::r, Chroma::SysSolverQOPMGParams::RefreshThreshold, Chroma::SystemSolverResults_t::resid, Chroma::SysSolverQOPMGParams::Residual, Chroma::SysSolverQOPMGParams::RsdToleranceFactor, Chroma::START_CODE(), Chroma::SysSolverQOPMGParams::SubspaceId, Chroma::SysSolverQOPMGParams::TerminateOnFail, Chroma::tmp, tmp2, and Chroma::zero.

subset()

const Subset& Chroma::MdagMSysSolverQOPMG::subset ( void  ) const

inlinevirtual

Return the subset on which the operator acts.

Implements Chroma::MdagMSystemSolver< LatticeFermion >.

Definition at line 57 of file syssolver_mdagm_qop_mg_w.h.

References A.

Member Data Documentation

A

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

private

Definition at line 75 of file syssolver_mdagm_qop_mg_w.h.

Referenced by operator()(), and subset().

Dinv

Handle< LinOpSysSolverQOPMG> Chroma::MdagMSysSolverQOPMG::Dinv

private

Definition at line 79 of file syssolver_mdagm_qop_mg_w.h.

invParam

SysSolverQOPMGParams Chroma::MdagMSysSolverQOPMG::invParam

private

Definition at line 76 of file syssolver_mdagm_qop_mg_w.h.

Referenced by operator()().

state

Handle< FermState<T,Q,Q> > Chroma::MdagMSysSolverQOPMG::state

private

Definition at line 74 of file syssolver_mdagm_qop_mg_w.h.

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

• syssolver_mdagm_qop_mg_w.h
• syssolver_mdagm_qop_mg_w.cc