Unpreconditioned Hamber-Wu operator. More...

#include <unprec_hamberwu_linop_w.h>

Inheritance diagram for Chroma::UnprecHamberWuLinOp:

Public Types
typedef LatticeFermion	T

typedef multi1d< LatticeColorMatrix >	P

typedef multi1d< LatticeColorMatrix >	Q

Public Member Functions
	UnprecHamberWuLinOp ()
	Partial constructor. More...

	UnprecHamberWuLinOp (Handle< FermState< T, P, Q > > fs, const Real &Mass_, const Real &u0_)
	Full constructor. More...

	~UnprecHamberWuLinOp ()
	Destructor is automatic. More...

const FermBC< T, P, Q > &	getFermBC () const
	Return the fermion BC object for this linear operator. More...

void	create (Handle< FermState< T, P, Q > > fs, const Real &Mass_, const Real &u0_)
	Creation routine. More...

void	operator() (LatticeFermion &chi, const LatticeFermion &psi, enum PlusMinus isign) const
	Apply the operator onto a source std::vector. More...

void	deriv (multi1d< LatticeColorMatrix > &ds_u, const LatticeFermion &chi, const LatticeFermion &psi, enum PlusMinus isign) const
	Derivative of unpreconditioned HamberWu dM/dU. More...

unsigned long	nFlops () const
	Return flops performed by the operator() More...

Public Member Functions inherited from Chroma::UnprecLinearOperator< LatticeFermion, multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > >
virtual	~UnprecLinearOperator ()
	Virtual destructor to help with cleanup;. More...

const Subset &	subset () const
	Only defined on the entire lattice. More...

Public Member Functions inherited from Chroma::DiffLinearOperator< LatticeFermion, multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > >
virtual	~DiffLinearOperator ()
	Virtual destructor to help with cleanup;. More...

virtual void	deriv (multi1d< LatticeColorMatrix > &ds_u, const LatticeFermion &chi, const LatticeFermion &psi, enum PlusMinus isign, const Real &epsilon) const
	Apply the derivative of the operator onto a source std::vector to some precision. More...

virtual void	derivMultipole (multi1d< LatticeColorMatrix > &ds_u, const multi1d< LatticeFermion > &chi, const multi1d< LatticeFermion > &psi, enum PlusMinus isign) const
	Return the force for multiple poles. More...

Public Member Functions inherited from Chroma::LinearOperator< LatticeFermion >
virtual	~LinearOperator ()
	Virtual destructor to help with cleanup;. More...

virtual void	operator() (LatticeFermion &chi, const LatticeFermion &psi, enum PlusMinus isign, Real epsilon) const
	Apply the operator onto a source std::vector to some precision. More...

Private Attributes
Real	Mass

Real	u0

Real	fact1

Real	fact2

Real	fact3

Real	fact4

multi1d< LatticeColorMatrix >	u_dble

WilsonDslash	D

Detailed Description

Unpreconditioned Hamber-Wu operator.

Definition at line 20 of file unprec_hamberwu_linop_w.h.

Member Typedef Documentation

◆ P

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

Definition at line 26 of file unprec_hamberwu_linop_w.h.

◆ Q

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

Definition at line 27 of file unprec_hamberwu_linop_w.h.

◆ T

typedef LatticeFermion Chroma::UnprecHamberWuLinOp::T

Definition at line 25 of file unprec_hamberwu_linop_w.h.

Constructor & Destructor Documentation

◆ UnprecHamberWuLinOp() [1/2]

Chroma::UnprecHamberWuLinOp::UnprecHamberWuLinOp ( )

inline

Partial constructor.

Definition at line 30 of file unprec_hamberwu_linop_w.h.

◆ UnprecHamberWuLinOp() [2/2]

Chroma::UnprecHamberWuLinOp::UnprecHamberWuLinOp	(	Handle< FermState< T, P, Q > >	fs,
		const Real &	Mass_,
		const Real &	u0_
	)

inline

Full constructor.

Definition at line 33 of file unprec_hamberwu_linop_w.h.

References create().

◆ ~UnprecHamberWuLinOp()

Chroma::UnprecHamberWuLinOp::~UnprecHamberWuLinOp ( )

inline

Destructor is automatic.

Definition at line 38 of file unprec_hamberwu_linop_w.h.

Member Function Documentation

◆ create()

void Chroma::UnprecHamberWuLinOp::create	(	Handle< FermState< T, P, Q > >	fs,
		const Real &	Mass_,
		const Real &	u0_
	)

Creation routine.

Parameters

u_	gauge field (Read)
Mass_	fermion kappa (Read)

Definition at line 19 of file unprec_hamberwu_linop_w.cc.

References FORWARD, Mass, mu, Nd, Chroma::u, and u0.

Referenced by UnprecHamberWuLinOp().

◆ deriv()

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

virtual

Derivative of unpreconditioned HamberWu dM/dU.

Derivative of unpreconditioned Hamber-Wu dM/dU.

Parameters

chi	left std::vector on cb (Read)
psi	right std::vector on 1-cb (Read)
isign	D'^dag or D' ( MINUS \| PLUS ) resp. (Read)
cb	Checkerboard of chi std::vector (Read)

Returns: Computes $\chi^\dag * \dot(D} * \psi$

Reimplemented from Chroma::DiffLinearOperator< LatticeFermion, multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > >.

Definition at line 109 of file unprec_hamberwu_linop_w.cc.

References chi, END_CODE, Chroma::isign, mu, Nd, psi, Chroma::QDP_error_exit(), and START_CODE.

◆ getFermBC()

const FermBC<T,P,Q>& Chroma::UnprecHamberWuLinOp::getFermBC ( ) const

inlinevirtual

Return the fermion BC object for this linear operator.

Implements Chroma::DiffLinearOperator< LatticeFermion, multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > >.

Definition at line 41 of file unprec_hamberwu_linop_w.h.

References D, and Chroma::QDPWilsonDslashT< T, P, Q >::getFermBC().

◆ nFlops()

unsigned long Chroma::UnprecHamberWuLinOp::nFlops ( void ) const

virtual

Return flops performed by the operator()

Reimplemented from Chroma::LinearOperator< LatticeFermion >.

Definition at line 92 of file unprec_hamberwu_linop_w.cc.

References Nd.

◆ operator()()

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

virtual

Apply the operator onto a source std::vector.

Implements Chroma::LinearOperator< LatticeFermion >.

Definition at line 45 of file unprec_hamberwu_linop_w.cc.

References BACKWARD, chi, END_CODE, FORWARD, Chroma::isign, mu, Nd, Chroma::PLUS, psi, START_CODE, tmp2, and Chroma::zero.

Member Data Documentation

◆ D

WilsonDslash Chroma::UnprecHamberWuLinOp::D

private

Definition at line 65 of file unprec_hamberwu_linop_w.h.

Referenced by getFermBC().

◆ fact1

Real Chroma::UnprecHamberWuLinOp::fact1

private

Definition at line 60 of file unprec_hamberwu_linop_w.h.

◆ fact2

Real Chroma::UnprecHamberWuLinOp::fact2

private

Definition at line 61 of file unprec_hamberwu_linop_w.h.

◆ fact3

Real Chroma::UnprecHamberWuLinOp::fact3

private

Definition at line 62 of file unprec_hamberwu_linop_w.h.

◆ fact4

Real Chroma::UnprecHamberWuLinOp::fact4

private

Definition at line 63 of file unprec_hamberwu_linop_w.h.

◆ Mass

Real Chroma::UnprecHamberWuLinOp::Mass

private

Definition at line 58 of file unprec_hamberwu_linop_w.h.

◆ u0

Real Chroma::UnprecHamberWuLinOp::u0

private

Definition at line 59 of file unprec_hamberwu_linop_w.h.

◆ u_dble

multi1d<LatticeColorMatrix> Chroma::UnprecHamberWuLinOp::u_dble

private

Definition at line 64 of file unprec_hamberwu_linop_w.h.

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

Public Types

Public Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ P

◆ Q

◆ T

Constructor & Destructor Documentation

◆ UnprecHamberWuLinOp() [1/2]

◆ UnprecHamberWuLinOp() [2/2]

◆ ~UnprecHamberWuLinOp()

Member Function Documentation

◆ create()

◆ deriv()

◆ getFermBC()

◆ nFlops()

◆ operator()()

Member Data Documentation

◆ D

◆ fact1

◆ fact2

◆ fact3

◆ fact4

◆ Mass

◆ u0

◆ u_dble