Chroma::RBCGaugeAct Class Reference
[Gauge actions]

RG gauge action. More...

#include <rbc_gaugeact.h>

Inheritance diagram for Chroma::RBCGaugeAct:

List of all members.

Public Member Functions
	RBCGaugeAct (Handle< CreateGaugeState< P, Q > > cgs_, const Real &beta_, const Real &c1_)
	General CreateGaugeState<P,Q>.
	RBCGaugeAct (Handle< CreateGaugeState< P, Q > > cgs_, const RBCGaugeActParams &p)
	Read beta from a param struct.
bool	anisoP () const
	Is anisotropy used?
const Real	anisoFactor () const
	Anisotropy factor.
int	tDir () const
	Anisotropic direction.
const Set &	getSet () const
	Return the set on which the gauge action is defined.
void	staple (LatticeColorMatrix &result, const Handle< GaugeState< P, Q > > &state, int mu, int cb) const
	Compute staple.
void	deriv (multi1d< LatticeColorMatrix > &result, const Handle< GaugeState< P, Q > > &state) const
	Compute dS/dU.
Double	S (const Handle< GaugeState< P, Q > > &state) const
	Compute the actions.
const CreateGaugeState< P, Q > &	getCreateState () const
	Produce a gauge create state object.
	~RBCGaugeAct ()
	Destructor is automatic.
const Real	getBeta (void) const
Protected Member Functions
void	init (Handle< CreateGaugeState< P, Q > > cgs)
	Private initializer.
	RBCGaugeAct ()
	Partial constructor.
void	operator= (const RBCGaugeAct &a)
	Hide assignment.
Private Attributes
Real	beta
Real	c1
Handle< PlaqGaugeAct >	plaq
Handle< RectGaugeAct >	rect

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Detailed Description

RG gauge action.

A RG (plaquette + rectangle) gauge action following RBC conventions

S = -(beta/Nc)*[(1-8*c_1)*Plaq + c_1 * Rect]

Definition at line 50 of file rbc_gaugeact.h.

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Constructor & Destructor Documentation

Chroma::RBCGaugeAct::RBCGaugeAct	(	Handle< CreateGaugeState< P, Q > >	cgs_,
		const Real &	beta_,
		const Real &	c1_
	)			[inline]

General CreateGaugeState<P,Q>.

Definition at line 54 of file rbc_gaugeact.h.

References init().

Chroma::RBCGaugeAct::RBCGaugeAct	(	Handle< CreateGaugeState< P, Q > >	cgs_,
		const RBCGaugeActParams &	p
	)			[inline]

Read beta from a param struct.

Definition at line 59 of file rbc_gaugeact.h.

References init().

Chroma::RBCGaugeAct::~RBCGaugeAct

(

)

[inline]

Destructor is automatic.

Definition at line 110 of file rbc_gaugeact.h.

Chroma::RBCGaugeAct::RBCGaugeAct

(

)

[inline, protected]

Partial constructor.

Definition at line 120 of file rbc_gaugeact.h.

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Member Function Documentation

const Real Chroma::RBCGaugeAct::anisoFactor

(

)

const [inline]

Anisotropy factor.

Definition at line 67 of file rbc_gaugeact.h.

bool Chroma::RBCGaugeAct::anisoP

(

)

const [inline]

Is anisotropy used?

Definition at line 64 of file rbc_gaugeact.h.

void Chroma::RBCGaugeAct::deriv	(	multi1d< LatticeColorMatrix > &	result,
		const Handle< GaugeState< P, Q > > &	state
	)			const [inline, virtual]

Compute dS/dU.

Reimplemented from Chroma::GaugeAction< multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > >.

Definition at line 90 of file rbc_gaugeact.h.

References plaq, rect, and Chroma::state.

const Real Chroma::RBCGaugeAct::getBeta

(

void

)

const [inline]

Definition at line 113 of file rbc_gaugeact.h.

References beta.

const CreateGaugeState<P,Q>& Chroma::RBCGaugeAct::getCreateState

(

)

const [inline, virtual]

Produce a gauge create state object.

Implements Chroma::GaugeAction< multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > >.

Definition at line 107 of file rbc_gaugeact.h.

References plaq.

const Set& Chroma::RBCGaugeAct::getSet

(

void

)

const [inline, virtual]

Return the set on which the gauge action is defined.

Defined on the even-off (red/black) set

Implements Chroma::GaugeAction< multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > >.

Definition at line 74 of file rbc_gaugeact.h.

void Chroma::RBCGaugeAct::init

(

Handle< CreateGaugeState< P, Q > >

cgs

)

[protected]

Private initializer.

Definition at line 63 of file rbc_gaugeact.cc.

References beta, c1, END_CODE, plaq, rect, and START_CODE.

Referenced by RBCGaugeAct().

void Chroma::RBCGaugeAct::operator=

(

const RBCGaugeAct &

a

)

[inline, protected]

Hide assignment.

Definition at line 122 of file rbc_gaugeact.h.

Double Chroma::RBCGaugeAct::S

(

const Handle< GaugeState< P, Q > > &

state

)

const [inline, virtual]

Compute the actions.

Implements Chroma::GaugeAction< multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > >.

Definition at line 101 of file rbc_gaugeact.h.

References plaq, rect, and Chroma::state.

void Chroma::RBCGaugeAct::staple	(	LatticeColorMatrix &	result,
		const Handle< GaugeState< P, Q > > &	state,
		int	mu,
		int	cb
	)			const [inline, virtual]

Compute staple.

Default version. Derived class should override this if needed.

Implements Chroma::LinearGaugeAction.

Definition at line 78 of file rbc_gaugeact.h.

References plaq, rect, and Chroma::state.

int Chroma::RBCGaugeAct::tDir

(

)

const [inline]

Anisotropic direction.

Definition at line 70 of file rbc_gaugeact.h.

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Member Data Documentation

Real Chroma::RBCGaugeAct::beta [private]

Definition at line 125 of file rbc_gaugeact.h.

Referenced by getBeta(), and init().

Real Chroma::RBCGaugeAct::c1 [private]

Definition at line 126 of file rbc_gaugeact.h.

Referenced by init().

Handle<PlaqGaugeAct> Chroma::RBCGaugeAct::plaq [private]

Definition at line 127 of file rbc_gaugeact.h.

Referenced by deriv(), getCreateState(), init(), S(), and staple().

Handle<RectGaugeAct> Chroma::RBCGaugeAct::rect [private]

Definition at line 128 of file rbc_gaugeact.h.

Referenced by deriv(), init(), S(), and staple().

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

• rbc_gaugeact.h
• rbc_gaugeact.cc

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