mat::arn::LanczosLargestMagnitudeEigIfSmall< Treal, Tmatrix, Tvector > Class Template Reference

#include <LanczosLargestMagnitudeEig.h>

Inheritance diagram for mat::arn::LanczosLargestMagnitudeEigIfSmall< Treal, Tmatrix, Tvector >:

Public Member Functions
	LanczosLargestMagnitudeEigIfSmall (Tmatrix const &AA, Tvector const &startVec, Treal const maxAbsVal, int maxIter=100, int cap=100)
bool	largestMagEigIsSmall ()
virtual void	run ()
Public Member Functions inherited from mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >
	LanczosLargestMagnitudeEig (Tmatrix const &AA, Tvector const &startVec, int maxIter=100, int cap=100)
void	setRelTol (Treal const newTol)
void	setAbsTol (Treal const newTol)
void	getLargestMagnitudeEig (Treal &ev, Treal &accuracy)
void	getLargestMagnitudeEigPair (Treal &eValue, Tvector &eVector, Treal &accuracy)
void	rerun ()
virtual	~LanczosLargestMagnitudeEig ()
Public Member Functions inherited from mat::arn::Lanczos< Treal, Tmatrix, Tvector >
	Lanczos (Tmatrix const &AA, Tvector const &startVec, int maxIt=100, int cap=100)
void	restart (Tvector const &startVec)
void	copyTridiag (MatrixTridiagSymmetric< Treal > &Tricopy)
virtual	~Lanczos ()

Protected Member Functions
virtual void	update ()
virtual bool	converged () const
Protected Member Functions inherited from mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >
void	computeEigenPairTri ()
void	computeEigVec ()
Protected Member Functions inherited from mat::arn::Lanczos< Treal, Tmatrix, Tvector >
void	increaseCapacity (int const newCapacity)
void	step ()
void	getEigVector (Tvector &eigVec, Treal const *const eVecTri) const

Protected Attributes
Treal const	maxAbsValue
bool	eigIsSmall
Protected Attributes inherited from mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >
Treal	eVal
Tvector	eVec
Treal	acc
Treal *	eigVectorTri
Treal	absTol
	Eigenvector to the tridiagonal matrix length: this->j.
Treal	relTol
Treal	eValTmp
Treal	accTmp
Protected Attributes inherited from mat::arn::Lanczos< Treal, Tmatrix, Tvector >
Tmatrix const &	A
Tvector *	v
Tvector	r
	Vectors spanning Krylov subspace.
MatrixTridiagSymmetric< Treal >	Tri
	Residual vector.
int	capacity
int	j
int	maxIter
	Current step.

Constructor & Destructor Documentation

LanczosLargestMagnitudeEigIfSmall()

template<typename Treal, typename Tmatrix, typename Tvector>

mat::arn::LanczosLargestMagnitudeEigIfSmall< Treal, Tmatrix, Tvector >::LanczosLargestMagnitudeEigIfSmall ( Tmatrix const & AA, Tvector const & startVec, Treal const maxAbsVal, int maxIter = 100, int cap = 100 )

inline

References mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::LanczosLargestMagnitudeEig(), maxAbsValue, and mat::arn::Lanczos< Treal, Tmatrix, Tvector >::maxIter.

Member Function Documentation

converged()

template<typename Treal, typename Tmatrix, typename Tvector>

bool mat::arn::LanczosLargestMagnitudeEigIfSmall< Treal, Tmatrix, Tvector >::converged ( ) const

protectedvirtual

Reimplemented from mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >.

References mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::converged(), and eigIsSmall.

largestMagEigIsSmall()

template<typename Treal, typename Tmatrix, typename Tvector>

bool mat::arn::LanczosLargestMagnitudeEigIfSmall< Treal, Tmatrix, Tvector >::largestMagEigIsSmall ( )

inline

References eigIsSmall.

Referenced by mat::euclIfSmall().

run()

template<typename Treal, typename Tmatrix, typename Tvector>

virtual void mat::arn::LanczosLargestMagnitudeEigIfSmall< Treal, Tmatrix, Tvector >::run ( )

inlinevirtual

Reimplemented from mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >.

References mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::acc, mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::accTmp, mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::computeEigVec(), eigIsSmall, mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::eVal, mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::eValTmp, mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::rerun(), and mat::arn::Lanczos< Treal, Tmatrix, Tvector >::run().

Referenced by mat::euclIfSmall().

update()

template<typename Treal, typename Tmatrix, typename Tvector>

virtual void mat::arn::LanczosLargestMagnitudeEigIfSmall< Treal, Tmatrix, Tvector >::update ( )

inlineprotectedvirtual

Reimplemented from mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >.

References eigIsSmall, mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::eValTmp, maxAbsValue, template_blas_fabs(), and mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::update().

Member Data Documentation

eigIsSmall

template<typename Treal, typename Tmatrix, typename Tvector>

bool mat::arn::LanczosLargestMagnitudeEigIfSmall< Treal, Tmatrix, Tvector >::eigIsSmall

protected

Referenced by converged(), largestMagEigIsSmall(), run(), and update().

maxAbsValue

template<typename Treal, typename Tmatrix, typename Tvector>

Treal const mat::arn::LanczosLargestMagnitudeEigIfSmall< Treal, Tmatrix, Tvector >::maxAbsValue

protected

Referenced by LanczosLargestMagnitudeEigIfSmall(), and update().

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

• source/matrix/LanczosLargestMagnitudeEig.h