Chroma::MinimalResidualExtrapolation4DChronoPredictor Class Reference
[HMC linear system solver initial guess]

Minimal residual predictor. More...

#include <mre_extrap_predictor.h>

Inheritance diagram for Chroma::MinimalResidualExtrapolation4DChronoPredictor:

List of all members.

Public Member Functions
	MinimalResidualExtrapolation4DChronoPredictor (unsigned int max_chrono)
	~MinimalResidualExtrapolation4DChronoPredictor (void)
void	predictX (LatticeFermion &X, const LinearOperator< LatticeFermion > &A, const LatticeFermion &chi)
void	predictY (LatticeFermion &Y, const LinearOperator< LatticeFermion > &A, const LatticeFermion &chi)
void	reset (void)
void	newXVector (const LatticeFermion &X)
void	newYVector (const LatticeFermion &Y)
Private Member Functions
void	find_extrap_solution (LatticeFermion &psi, const LinearOperator< LatticeFermion > &A, const LatticeFermion &chi, const Handle< CircularBuffer< LatticeFermion > > &chrono_buf, enum PlusMinus isign)
Private Attributes
Handle< CircularBuffer< LatticeFermion > >	chrono_bufX
Handle< CircularBuffer< LatticeFermion > >	chrono_bufY

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Detailed Description

Minimal residual predictor.

Definition at line 30 of file mre_extrap_predictor.h.

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Constructor & Destructor Documentation

Chroma::MinimalResidualExtrapolation4DChronoPredictor::MinimalResidualExtrapolation4DChronoPredictor

(

unsigned int

max_chrono

)

[inline]

Definition at line 44 of file mre_extrap_predictor.h.

Chroma::MinimalResidualExtrapolation4DChronoPredictor::~MinimalResidualExtrapolation4DChronoPredictor

(

void

)

[inline]

Definition at line 49 of file mre_extrap_predictor.h.

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Member Function Documentation

void Chroma::MinimalResidualExtrapolation4DChronoPredictor::find_extrap_solution	(	LatticeFermion &	psi,
		const LinearOperator< LatticeFermion > &	A,
		const LatticeFermion &	chi,
		const Handle< CircularBuffer< LatticeFermion > > &	chrono_buf,
		enum PlusMinus	isign
	)			[private]

Definition at line 134 of file mre_extrap_predictor.cc.

References END_CODE, Chroma::GramSchm(), Chroma::LUSolve(), m, START_CODE, and Chroma::LinearOperator< T >::subset().

Referenced by predictX(), and predictY().

void Chroma::MinimalResidualExtrapolation4DChronoPredictor::newXVector

(

const LatticeFermion &

X

)

[inline, virtual]

Implements Chroma::AbsTwoStepChronologicalPredictor4D< LatticeFermion >.

Definition at line 67 of file mre_extrap_predictor.h.

References chrono_bufX, END_CODE, and START_CODE.

void Chroma::MinimalResidualExtrapolation4DChronoPredictor::newYVector

(

const LatticeFermion &

Y

)

[inline, virtual]

Implements Chroma::AbsTwoStepChronologicalPredictor4D< LatticeFermion >.

Definition at line 79 of file mre_extrap_predictor.h.

References chrono_bufY, END_CODE, and START_CODE.

void Chroma::MinimalResidualExtrapolation4DChronoPredictor::predictX	(	LatticeFermion &	X,
		const LinearOperator< LatticeFermion > &	A,
		const LatticeFermion &	chi
	)			[virtual]

Implements Chroma::AbsTwoStepChronologicalPredictor4D< LatticeFermion >.

Definition at line 55 of file mre_extrap_predictor.cc.

References chrono_bufX, END_CODE, find_extrap_solution(), Chroma::PLUS, and START_CODE.

void Chroma::MinimalResidualExtrapolation4DChronoPredictor::predictY	(	LatticeFermion &	Y,
		const LinearOperator< LatticeFermion > &	A,
		const LatticeFermion &	chi
	)			[virtual]

Implements Chroma::AbsTwoStepChronologicalPredictor4D< LatticeFermion >.

Definition at line 95 of file mre_extrap_predictor.cc.

References chrono_bufY, END_CODE, find_extrap_solution(), Chroma::MINUS, and START_CODE.

void Chroma::MinimalResidualExtrapolation4DChronoPredictor::reset

(

void

)

[inline, virtual]

Implements Chroma::AbsTwoStepChronologicalPredictor4D< LatticeFermion >.

Definition at line 61 of file mre_extrap_predictor.h.

References chrono_bufX, and chrono_bufY.

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Member Data Documentation

Handle< CircularBuffer<LatticeFermion> > Chroma::MinimalResidualExtrapolation4DChronoPredictor::chrono_bufX [private]

Definition at line 34 of file mre_extrap_predictor.h.

Referenced by newXVector(), predictX(), and reset().

Handle< CircularBuffer<LatticeFermion> > Chroma::MinimalResidualExtrapolation4DChronoPredictor::chrono_bufY [private]

Definition at line 35 of file mre_extrap_predictor.h.

Referenced by newYVector(), predictY(), and reset().

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

• mre_extrap_predictor.h
• mre_extrap_predictor.cc

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