Chroma::EvenOddPrecOvExtFermActArray Class Reference
[Fermion actions]

EvenOddPreconditioned Extended-Overlap (N&N) linear operator. More...

#include <eoprec_ovext_fermact_array_w.h>

Inheritance diagram for Chroma::EvenOddPrecOvExtFermActArray:


Public Types
typedef LatticeFermion	T
typedef multi1d< LatticeColorMatrix >	P
typedef multi1d< LatticeColorMatrix >	Q
Public Member Functions
	EvenOddPrecOvExtFermActArray (Handle< CreateFermState< T, P, Q > > cfs_, const EvenOddPrecOvExtFermActArrayParams &param_)
	General FermBC.
	EvenOddPrecOvExtFermActArray (const EvenOddPrecOvExtFermActArray &a)
	Copy constructor.
int	size () const
	Length of DW flavor index/space.
Real	getQuarkMass () const
	Return the quark mass.
EvenOddPrecConstDetLinearOperatorArray< T, P, Q > *	linOp (Handle< FermState< T, P, Q > > state) const
	Produce a linear operator for this action.
EvenOddPrecConstDetLinearOperatorArray< T, P, Q > *	linOpPV (Handle< FermState< T, P, Q > > state) const
	Produce a Pauli-Villars linear operator for this action.
LinearOperatorArray< T > *	hermitianLinOp (Handle< FermState< T, P, Q > > state) const
	Produce a hermitian version of the linear operator.
LinearOperator< T > *	linOp4D (Handle< FermState< T, P, Q > > state, const Real &m_q, const GroupXML_t &invParam) const
	Produce an unpreconditioned linear operator projecting 5D to 4D (the inverse of qprop below).
LinearOperator< T > *	DeltaLs (Handle< FermState< T, P, Q > > state, const GroupXML_t &invParam) const
	Produce a DeltaLs = 1-epsilon^2(H) operator.
SystemSolver< LatticeFermion > *	qprop (Handle< FermState< T, P, Q > > state, const GroupXML_t &invParam) const
	Propagator of an un-preconditioned Extended-Overlap linear operator.
	~EvenOddPrecOvExtFermActArray ()
	Destructor is automatic.
Protected Member Functions
const CreateFermState< T, P, Q > &	getCreateState () const
	Return the fermion BC object for this action.
	EvenOddPrecOvExtFermActArray ()
	Default constructor.
void	operator= (const EvenOddPrecOvExtFermActArray &a)
	Hide =.
Private Member Functions
int	getN5FromRatPolyDeg (const int &RatPolyDeg) const
	Part of initializer.
void	init (int &Npoles, Real &coeffP, multi1d< Real > &resP, multi1d< Real > &rootQ) const
	Get the rational approximation coefficients.
Private Attributes
Handle< CreateFermState< T, P, Q > >	cfs
Handle< AbsOvExtTuningStrategy >	theTuningStrategy
EvenOddPrecOvExtFermActArrayParams	param

Detailed Description

EvenOddPreconditioned Extended-Overlap (N&N) linear operator.

This operator applies the extended version of the hermitian overlap operator Chi = ((1+Mass)/(1-Mass)*gamma_5 + B) . Psi where B is the continued fraction of the pole approx. to eps(H(m))

Definition at line 58 of file eoprec_ovext_fermact_array_w.h.

Member Typedef Documentation

typedef multi1d<LatticeColorMatrix> Chroma::EvenOddPrecOvExtFermActArray::P

Definition at line 64 of file eoprec_ovext_fermact_array_w.h.

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

Definition at line 65 of file eoprec_ovext_fermact_array_w.h.

typedef LatticeFermion Chroma::EvenOddPrecOvExtFermActArray::T

Definition at line 63 of file eoprec_ovext_fermact_array_w.h.

Constructor & Destructor Documentation

Chroma::EvenOddPrecOvExtFermActArray::EvenOddPrecOvExtFermActArray	(	Handle< CreateFermState< T, P, Q > >	cfs_,
		const EvenOddPrecOvExtFermActArrayParams &	param_
	)

General FermBC.

Definition at line 133 of file eoprec_ovext_fermact_array_w.cc.

References Chroma::SingletonHolder< T, CreationPolicy, LifetimePolicy, ThreadingModel >::Instance(), param, Chroma::read(), theTuningStrategy, and Chroma::EvenOddPrecOvExtFermActArrayParams::tuning_strategy_xml.

Chroma::EvenOddPrecOvExtFermActArray::EvenOddPrecOvExtFermActArray ( const EvenOddPrecOvExtFermActArray & a ) [inline]

Copy constructor.

Definition at line 72 of file eoprec_ovext_fermact_array_w.h.

Chroma::EvenOddPrecOvExtFermActArray::~EvenOddPrecOvExtFermActArray ( ) [inline]

Destructor is automatic.

Definition at line 127 of file eoprec_ovext_fermact_array_w.h.

Chroma::EvenOddPrecOvExtFermActArray::EvenOddPrecOvExtFermActArray ( ) [inline, protected]

Default constructor.

Definition at line 134 of file eoprec_ovext_fermact_array_w.h.

Member Function Documentation

LinearOperator<T>* Chroma::EvenOddPrecOvExtFermActArray::DeltaLs	(	Handle< FermState< T, P, Q > >	state,
		const GroupXML_t &	invParam
	)			const `[inline]`

Produce a DeltaLs = 1-epsilon^2(H) operator.

Definition at line 112 of file eoprec_ovext_fermact_array_w.h.

References linOp4D(), and Chroma::state.

const CreateFermState<T,P,Q>& Chroma::EvenOddPrecOvExtFermActArray::getCreateState ( ) const [inline, protected]

Return the fermion BC object for this action.

Definition at line 131 of file eoprec_ovext_fermact_array_w.h.

References cfs.

int Chroma::EvenOddPrecOvExtFermActArray::getN5FromRatPolyDeg ( const int & RatPolyDeg ) const [private]

Part of initializer.

Definition at line 154 of file eoprec_ovext_fermact_array_w.cc.

Referenced by init(), and size().

Real Chroma::EvenOddPrecOvExtFermActArray::getQuarkMass ( ) const [inline]

Return the quark mass.

Definition at line 79 of file eoprec_ovext_fermact_array_w.h.

References Chroma::EvenOddPrecOvExtFermActArrayParams::Mass, and param.

LinearOperatorArray<T>* Chroma::EvenOddPrecOvExtFermActArray::hermitianLinOp ( Handle< FermState< T, P, Q > > state ) const [inline]

Produce a hermitian version of the linear operator.

Definition at line 93 of file eoprec_ovext_fermact_array_w.h.

void Chroma::EvenOddPrecOvExtFermActArray::init	(	int &	Npoles,
		Real &	coeffP,
		multi1d< Real > &	resP,
		multi1d< Real > &	rootQ
	)			const `[private]`

Get the rational approximation coefficients.

Definition at line 170 of file eoprec_ovext_fermact_array_w.cc.

References Chroma::StagPhases::alpha(), Chroma::EvenOddPrecOvExtFermActArrayParams::approximation_type, Chroma::EvenOddPrecOvExtFermActArrayParams::ApproxMax, Chroma::EvenOddPrecOvExtFermActArrayParams::ApproxMin, Chroma::COEFF_TYPE_TANH_UNSCALED, Chroma::COEFF_TYPE_ZOLOTAREV, Chroma::StaggeredFlavorOperators::AntiSymmetricTensor4D::eps, getN5FromRatPolyDeg(), higham(), Chroma::EvenOddPrecOvExtFermActArrayParams::Mass, param, Chroma::EvenOddPrecOvExtFermActArrayParams::RatPolyDeg, and zolotarev().

Referenced by linOp().

EvenOddPrecConstDetLinearOperatorArray< LatticeFermion, multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > > * Chroma::EvenOddPrecOvExtFermActArray::linOp ( Handle< FermState< T, P, Q > > state ) const

Produce a linear operator for this action.

The operator acts on the entire lattice

Parameters:

state

gauge field (Read)

Definition at line 363 of file eoprec_ovext_fermact_array_w.cc.

References Chroma::EvenOddPrecOvExtFermActArrayParams::b5, Chroma::StagPhases::beta(), Chroma::EvenOddPrecOvExtFermActArrayParams::c5, init(), Chroma::EvenOddPrecOvExtFermActArrayParams::Mass, Chroma::EvenOddPrecOvExtFermActArrayParams::OverMass, param, and Chroma::state.

Referenced by qprop().

LinearOperator<T>* Chroma::EvenOddPrecOvExtFermActArray::linOp4D	(	Handle< FermState< T, P, Q > >	state,
		const Real &	m_q,
		const GroupXML_t &	invParam
	)			const `[inline]`

Produce an unpreconditioned linear operator projecting 5D to 4D (the inverse of qprop below).

Definition at line 101 of file eoprec_ovext_fermact_array_w.h.

Referenced by DeltaLs().

EvenOddPrecConstDetLinearOperatorArray<T,P,Q>* Chroma::EvenOddPrecOvExtFermActArray::linOpPV ( Handle< FermState< T, P, Q > > state ) const [inline]