CHROMA: Chroma::DiffMdagLinOp< T, P, Q > Class Template Reference

CHROMA

Differentiable M^dag linear operator. More...

#include <ldag.h>

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

Public Member Functions
	DiffMdagLinOp (DiffLinearOperator< T, P, Q > *p)
	Initialize pointer with existing pointer. More...

	DiffMdagLinOp (Handle< DiffLinearOperator< T, P, Q > > p)
	Copy pointer (one more owner) More...

	~DiffMdagLinOp ()
	Destructor. More...

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

const Subset &	subset () const
	Subset comes from underlying operator. More...

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

virtual void	deriv (P &ds_u, const T &chi, const T &psi, enum PlusMinus isign) const
	Apply the derivative of the operator. 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. More...

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

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

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...

Private Attributes
Handle< DiffLinearOperator< T, P, Q > >	A

Detailed Description

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

Differentiable M^dag linear operator.

Diff. Linear operator forming M^dag from an operator M

Definition at line 160 of file ldag.h.

Constructor & Destructor Documentation

◆ DiffMdagLinOp() [1/2]

template<typename T , typename P , typename Q >

Chroma::DiffMdagLinOp< T, P, Q >::DiffMdagLinOp ( DiffLinearOperator< T, P, Q > * p )

inline

Initialize pointer with existing pointer.

Requires that the pointer p is a return value of new

Definition at line 165 of file ldag.h.

◆ DiffMdagLinOp() [2/2]

template<typename T , typename P , typename Q >

Chroma::DiffMdagLinOp< T, P, Q >::DiffMdagLinOp ( Handle< DiffLinearOperator< T, P, Q > > p )

inline

Copy pointer (one more owner)

Definition at line 168 of file ldag.h.

◆ ~DiffMdagLinOp()

template<typename T , typename P , typename Q >

Chroma::DiffMdagLinOp< T, P, Q >::~DiffMdagLinOp ( )

inline

Destructor.

Definition at line 171 of file ldag.h.

Member Function Documentation

◆ deriv() [1/2]

template<typename T , typename P , typename Q >

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

inlinevirtual

Apply the derivative of the operator.

Deriv of chi^dag * A^dag * psi

Default implementation

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

Definition at line 195 of file ldag.h.

References Chroma::DiffMdagLinOp< T, P, Q >::A, Chroma::chi(), Chroma::isign, Chroma::MINUS, Chroma::PLUS, Chroma::psi, and Chroma::tmp.

◆ deriv() [2/2]

template<typename T , typename P , typename Q >

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

inlinevirtual

Apply the derivative of the operator.

Deriv of chi^dag * A^dag * psi

Default implementation

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

Definition at line 211 of file ldag.h.

References Chroma::DiffMdagLinOp< T, P, Q >::A, Chroma::chi(), Chroma::ExternalFieldEnv::epsilon(), Chroma::isign, Chroma::MINUS, Chroma::PLUS, Chroma::psi, and Chroma::tmp.

◆ getFermBC()

template<typename T , typename P , typename Q >

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

inlinevirtual

Return the fermion BC object for this linear operator.

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

Definition at line 174 of file ldag.h.

References Chroma::DiffMdagLinOp< T, P, Q >::A.

◆ nFlops()

template<typename T , typename P , typename Q >

unsigned long Chroma::DiffMdagLinOp< T, P, Q >::nFlops ( void ) const

inlinevirtual

Return the number of flops performed by operator()

Reimplemented from Chroma::LinearOperator< T >.

Definition at line 221 of file ldag.h.

References Chroma::DiffMdagLinOp< T, P, Q >::A.

◆ operator()()

template<typename T , typename P , typename Q >

void Chroma::DiffMdagLinOp< T, P, Q >::operator()	(	T &	chi,
		const T &	psi,
		enum PlusMinus	isign
	)		const

inlinevirtual

Apply the operator onto a source std::vector.

For this operator, the sign is ignored

Implements Chroma::LinearOperator< T >.

Definition at line 181 of file ldag.h.

References Chroma::chi(), Chroma::isign, Chroma::MINUS, Chroma::PLUS, Chroma::psi, and Chroma::tmp.

◆ subset()

template<typename T , typename P , typename Q >

const Subset& Chroma::DiffMdagLinOp< T, P, Q >::subset ( void ) const

inlinevirtual

Subset comes from underlying operator.

Implements Chroma::LinearOperator< T >.

Definition at line 177 of file ldag.h.

References Chroma::DiffMdagLinOp< T, P, Q >::A.

Member Data Documentation

◆ A

template<typename T , typename P , typename Q >

Handle< DiffLinearOperator<T,P,Q> > Chroma::DiffMdagLinOp< T, P, Q >::A

private

Definition at line 224 of file ldag.h.

Referenced by Chroma::DiffMdagLinOp< T, P, Q >::deriv(), Chroma::DiffMdagLinOp< T, P, Q >::getFermBC(), Chroma::DiffMdagLinOp< T, P, Q >::nFlops(), and Chroma::DiffMdagLinOp< T, P, Q >::subset().

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

ldag.h