General Wilson-Dirac dslash. More...

#include <lwldslash_base_w.h>

Inheritance diagram for Chroma::WilsonDslashBase< T, P, Q >:

Public Member Functions
virtual	~WilsonDslashBase ()
	No real need for cleanup here. More...

const Subset &	subset () const
	Subset is all here. More...

virtual void	deriv (P &ds_u, const T &chi, const T &psi, enum PlusMinus isign) const
	Take deriv of D. More...

virtual void	deriv (P &ds_u, const T &chi, const T &psi, enum PlusMinus isign, int cb) const
	Take deriv of D. More...

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

Public Member Functions inherited from Chroma::DslashLinearOperator< T, P, Q >
virtual	~DslashLinearOperator ()
	Virtual destructor to help in cleanup. More...

virtual const FermBC< T, P, Q > &	getFermBC () const =0
	Return the fermion BC object for this linear operator. More...

virtual void	operator() (T &d, const T &psi, enum PlusMinus isign) const
	Apply operator on both checkerboards (entire lattice) More...

virtual void	apply (T &chi, const T &psi, enum PlusMinus isign, int cb) const =0
	Apply checkerboarded linear operator. More...

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

virtual void	derivMultipole (P &ds_u, const multi1d< T > &chi, const multi1d< T > &psi, enum PlusMinus isign, int cb) const

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

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

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

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

Protected Member Functions
virtual const multi1d< Real > &	getCoeffs () const =0
	Get the anisotropy parameters. More...

Detailed Description

template<typename T, typename P, typename Q>
class Chroma::WilsonDslashBase< T, P, Q >

General Wilson-Dirac dslash.

DSLASH

This routine is specific to Wilson fermions!

Description:

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

      Nd-1
      ---
      \

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

/ mu mu

mu=0

  Nd-1
  ---
  \    +
 +    >  U  (x-mu) (1 + isign gamma  ) psi(x-mu)
  /    mu                    mu
  ---
  mu=0

Definition at line 43 of file lwldslash_base_w.h.

Constructor & Destructor Documentation

◆ ~WilsonDslashBase()

template<typename T , typename P , typename Q >

virtual Chroma::WilsonDslashBase< T, P, Q >::~WilsonDslashBase ( )

inlinevirtual

No real need for cleanup here.

Definition at line 49 of file lwldslash_base_w.h.

Member Function Documentation

◆ deriv() [1/2]

template<typename T , typename P , typename Q >

void Chroma::WilsonDslashBase< T, P, Q >::deriv	(	P &	ds_u,
		const T &	chi,
		const T &	psi,
		enum PlusMinus	isign
	)		const

virtual

Take deriv of D.

Parameters

chi	left std::vector (Read)
psi	right std::vector (Read)
isign	D'^dag or D' ( MINUS \| PLUS ) resp. (Read)

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

Reimplemented from Chroma::DslashLinearOperator< T, P, Q >.

Definition at line 113 of file lwldslash_base_w.h.

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

Referenced by Chroma::EvenOddPrecParWilsonLinOp::derivEvenOddLinOp(), Chroma::EvenOddPrecSLICLinOp::derivEvenOddLinOp(), Chroma::EvenOddPrecParWilsonLinOp::derivOddEvenLinOp(), and Chroma::EvenOddPrecSLICLinOp::derivOddEvenLinOp().

◆ deriv() [2/2]

template<typename T , typename P , typename Q >

void Chroma::WilsonDslashBase< T, P, Q >::deriv	(	P &	ds_u,
		const T &	chi,
		const T &	psi,
		enum PlusMinus	isign,
		int	cb
	)		const

virtual

Take deriv of D.

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)