Chroma::DiffMdagLinOp< T, P, Q > Class Template Reference
[Fermion linear operators]

Differentiable M^dag linear operator. More...

#include <ldag.h>

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

List of all members.

Public Member Functions
	DiffMdagLinOp (DiffLinearOperator< T, P, Q > *p)
	Initialize pointer with existing pointer.
	DiffMdagLinOp (Handle< DiffLinearOperator< T, P, Q > > p)
	Copy pointer (one more owner).
	~DiffMdagLinOp ()
	Destructor.
const FermBC< T, P, Q > &	getFermBC () const
	Return the fermion BC object for this linear operator.
const Subset &	subset () const
	Subset comes from underlying operator.
void	operator() (T &chi, const T &psi, enum PlusMinus isign) const
	Apply the operator onto a source vector.
virtual void	deriv (P &ds_u, const T &chi, const T &psi, enum PlusMinus isign) const
	Apply the derivative of the operator.
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.
unsigned long	nFlops (void) const
	Return the number of flops performed by operator().
Private Attributes
Handle< DiffLinearOperator< T, P, Q > >	A

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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 161 of file ldag.h.

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Constructor & Destructor Documentation

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 166 of file ldag.h.

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 169 of file ldag.h.

template<typename T, typename P, typename Q>

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

(

)

[inline]

Destructor.

Definition at line 172 of file ldag.h.

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Member Function Documentation

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 [inline, virtual]

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 212 of file ldag.h.

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

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 [inline, virtual]

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 196 of file ldag.h.

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

template<typename T, typename P, typename Q>

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

(

)

const [inline, virtual]

Return the fermion BC object for this linear operator.

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

Definition at line 175 of file ldag.h.

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

template<typename T, typename P, typename Q>

unsigned long Chroma::DiffMdagLinOp< T, P, Q >::nFlops

(

void

)

const [inline, virtual]

Return the number of flops performed by operator().

Reimplemented from Chroma::LinearOperator< T >.

Definition at line 222 of file ldag.h.

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

template<typename T, typename P, typename Q>

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

Apply the operator onto a source vector.

For this operator, the sign is ignored

Implements Chroma::LinearOperator< T >.

Definition at line 182 of file ldag.h.

References Chroma::MINUS, Chroma::PLUS, and T.

template<typename T, typename P, typename Q>

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

(

void

)

const [inline, virtual]

Subset comes from underlying operator.

Implements Chroma::LinearOperator< T >.

Definition at line 178 of file ldag.h.

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

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Member Data Documentation

template<typename T, typename P, typename Q>

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

Definition at line 225 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().

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

• ldag.h

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