Chroma::UnprecW12LinOp Class Reference
[Fermion linear operators]

Unpreconditioned W12 operator. More...

#include <unprec_w12_linop_w.h>

Inheritance diagram for Chroma::UnprecW12LinOp:

List of all members.

Public Types
typedef LatticeFermion	T
typedef multi1d< LatticeColorMatrix >	P
typedef multi1d< LatticeColorMatrix >	Q
Public Member Functions
	UnprecW12LinOp ()
	Partial constructor.
	UnprecW12LinOp (Handle< FermState< T, P, Q > > fs, const CloverFermActParams &param_)
	Full constructor.
	~UnprecW12LinOp ()
	Destructor is automatic.
const FermBC< T, P, Q > &	getFermBC () const
	Return the fermion BC object for this linear operator.
void	create (Handle< FermState< T, P, Q > > fs, const CloverFermActParams &param_)
	Creation routine.
void	operator() (LatticeFermion &chi, const LatticeFermion &psi, enum PlusMinus isign) const
	Apply the operator onto a source vector.
void	deriv (multi1d< LatticeColorMatrix > &ds_u, const LatticeFermion &chi, const LatticeFermion &psi, enum PlusMinus isign) const
	Derivative of unpreconditioned W12 dM/dU.
unsigned long	nFlops () const
	Return flops performed by the operator().
Protected Member Functions
void	gamW (multi1d< LatticeFermion > &chi, const LatticeFermion &psi, int j_decay, enum PlusMinus isign) const
	GAMWM.
void	gamWmu (multi1d< LatticeFermion > &chi, const multi1d< LatticeFermion > &psi, int j_decay, enum PlusMinus isign) const
	GAMWMUM.
Private Attributes
CloverFermActParams	param
Real	aniso_fact
Real	fact1
Real	fact2
Real	fact3
Real	fact4
int	j_decay
multi1d< LatticeColorMatrix >	u
CloverTerm	A

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Detailed Description

Unpreconditioned W12 operator.

The W12 action does Chi = (m0 - (2/3*((1/2)*(1/4))*sigma.F + W' + (1/6)*W^2_mu) * Psi

Definition at line 23 of file unprec_w12_linop_w.h.

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Member Typedef Documentation

typedef multi1d<LatticeColorMatrix> Chroma::UnprecW12LinOp::P

Definition at line 29 of file unprec_w12_linop_w.h.

typedef multi1d<LatticeColorMatrix> Chroma::UnprecW12LinOp::Q

Definition at line 30 of file unprec_w12_linop_w.h.

typedef LatticeFermion Chroma::UnprecW12LinOp::T

Definition at line 28 of file unprec_w12_linop_w.h.

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Constructor & Destructor Documentation

Chroma::UnprecW12LinOp::UnprecW12LinOp

(

)

[inline]

Partial constructor.

Definition at line 33 of file unprec_w12_linop_w.h.

Chroma::UnprecW12LinOp::UnprecW12LinOp	(	Handle< FermState< T, P, Q > >	fs,
		const CloverFermActParams &	param_
	)			[inline]

Full constructor.

Definition at line 36 of file unprec_w12_linop_w.h.

References create().

Chroma::UnprecW12LinOp::~UnprecW12LinOp

(

)

[inline]

Destructor is automatic.

Definition at line 40 of file unprec_w12_linop_w.h.

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Member Function Documentation

void Chroma::UnprecW12LinOp::create	(	Handle< FermState< T, P, Q > >	fs,
		const CloverFermActParams &	param_
	)

Creation routine.

Referenced by UnprecW12LinOp().

void Chroma::UnprecW12LinOp::deriv	(	multi1d< LatticeColorMatrix > &	ds_u,
		const LatticeFermion &	chi,
		const LatticeFermion &	psi,
		enum PlusMinus	isign
	)			const

Derivative of unpreconditioned W12 dM/dU.

void Chroma::UnprecW12LinOp::gamW	(	multi1d< LatticeFermion > &	chi,
		const LatticeFermion &	psi,
		int	j_decay,
		enum PlusMinus	isign
	)			const [protected]

GAMWM.

Description:

This routine applies the operator W' to Psi, putting the result in Chi.

chi(x,mu) := + (1 - isign gamma ) U (x) psi(x+mu) mu mu + + (1 + isign gamma ) U (x-mu) psi(x-mu) mu mu

void Chroma::UnprecW12LinOp::gamWmu	(	multi1d< LatticeFermion > &	chi,
		const multi1d< LatticeFermion > &	psi,
		int	j_decay,
		enum PlusMinus	isign
	)			const [protected]

GAMWMUM.

This routine applies the operator W' to Psi, putting the result in Chi.

chi(x,mu) := + (1 - isign gamma ) U (x) psi (x+mu) mu mu mu + + (1 + isign gamma ) U (x-mu) psi (x-mu) mu mu mu

const FermBC<T,P,Q>& Chroma::UnprecW12LinOp::getFermBC

(

)

const [inline, virtual]

Return the fermion BC object for this linear operator.

Implements Chroma::DiffLinearOperator< T, P, Q >.

Definition at line 43 of file unprec_w12_linop_w.h.

References A, and Chroma::QDPCloverTermT< T, U >::getFermBC().

unsigned long Chroma::UnprecW12LinOp::nFlops

(

)

const [virtual]

Return flops performed by the operator().

Reimplemented from Chroma::LinearOperator< T >.

void Chroma::UnprecW12LinOp::operator()	(	LatticeFermion &	chi,
		const LatticeFermion &	psi,
		enum PlusMinus	isign
	)			const

Apply the operator onto a source vector.

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Member Data Documentation

CloverTerm Chroma::UnprecW12LinOp::A [private]

Definition at line 102 of file unprec_w12_linop_w.h.

Referenced by getFermBC().

Real Chroma::UnprecW12LinOp::aniso_fact [private]

Definition at line 95 of file unprec_w12_linop_w.h.

Real Chroma::UnprecW12LinOp::fact1 [private]

Definition at line 96 of file unprec_w12_linop_w.h.

Real Chroma::UnprecW12LinOp::fact2 [private]

Definition at line 97 of file unprec_w12_linop_w.h.

Real Chroma::UnprecW12LinOp::fact3 [private]

Definition at line 98 of file unprec_w12_linop_w.h.

Real Chroma::UnprecW12LinOp::fact4 [private]

Definition at line 99 of file unprec_w12_linop_w.h.

int Chroma::UnprecW12LinOp::j_decay [private]

Definition at line 100 of file unprec_w12_linop_w.h.

CloverFermActParams Chroma::UnprecW12LinOp::param [private]

Definition at line 94 of file unprec_w12_linop_w.h.

multi1d<LatticeColorMatrix> Chroma::UnprecW12LinOp::u [private]

Definition at line 101 of file unprec_w12_linop_w.h.

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

• unprec_w12_linop_w.h

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