Spectra::DoubleShiftQR< Scalar > Class Template Reference

#include <DoubleShiftQR.h>

Public Member Functions
void	apply_QtY (Vector &y) const
void	apply_YQ (GenericMatrix Y) const
void	compute (ConstGenericMatrix &mat, const Scalar &s, const Scalar &t)
	DoubleShiftQR (Index size)
	DoubleShiftQR (ConstGenericMatrix &mat, const Scalar &s, const Scalar &t)
void	matrix_QtHQ (Matrix &dest) const

Private Types
typedef const Eigen::Ref< const Matrix >	ConstGenericMatrix
typedef Eigen::Ref< Matrix >	GenericMatrix
typedef Eigen::Index	Index
typedef Eigen::Array< unsigned char, Eigen::Dynamic, 1 >	IntArray
typedef Eigen::Matrix< Scalar, Eigen::Dynamic, Eigen::Dynamic >	Matrix
typedef Eigen::Matrix< Scalar, 3, Eigen::Dynamic >	Matrix3X
typedef Eigen::Matrix< Scalar, Eigen::Dynamic, 1 >	Vector

Private Member Functions
void	apply_PX (GenericMatrix X, Index stride, Index u_ind) const
void	apply_PX (Scalar *x, Index u_ind) const
void	apply_XP (GenericMatrix X, Index stride, Index u_ind) const
void	compute_reflector (const Scalar &x1, const Scalar &x2, const Scalar &x3, Index ind)
void	compute_reflector (const Scalar *x, Index ind)
void	update_block (Index il, Index iu)

Private Attributes
bool	m_computed
const Scalar	m_eps
const Scalar	m_eps_abs
const Scalar	m_eps_rel
Matrix	m_mat_H
Index	m_n
const Scalar	m_near_0
IntArray	m_ref_nr
Matrix3X	m_ref_u
Scalar	m_shift_s
Scalar	m_shift_t

Detailed Description

template<typename Scalar = double>
class Spectra::DoubleShiftQR< Scalar >

Definition at line 21 of file DoubleShiftQR.h.

Member Typedef Documentation

template<typename Scalar = double>

typedef const Eigen::Ref<const Matrix> Spectra::DoubleShiftQR< Scalar >::ConstGenericMatrix

private

Definition at line 31 of file DoubleShiftQR.h.

template<typename Scalar = double>

typedef Eigen::Ref<Matrix> Spectra::DoubleShiftQR< Scalar >::GenericMatrix

private

Definition at line 30 of file DoubleShiftQR.h.

template<typename Scalar = double>

typedef Eigen::Index Spectra::DoubleShiftQR< Scalar >::Index

private

Definition at line 24 of file DoubleShiftQR.h.

template<typename Scalar = double>

typedef Eigen::Array<unsigned char, Eigen::Dynamic, 1> Spectra::DoubleShiftQR< Scalar >::IntArray

private

Definition at line 28 of file DoubleShiftQR.h.

template<typename Scalar = double>

typedef Eigen::Matrix<Scalar, Eigen::Dynamic, Eigen::Dynamic> Spectra::DoubleShiftQR< Scalar >::Matrix

private

Definition at line 25 of file DoubleShiftQR.h.

template<typename Scalar = double>

typedef Eigen::Matrix<Scalar, 3, Eigen::Dynamic> Spectra::DoubleShiftQR< Scalar >::Matrix3X

private

Definition at line 26 of file DoubleShiftQR.h.

template<typename Scalar = double>

typedef Eigen::Matrix<Scalar, Eigen::Dynamic, 1> Spectra::DoubleShiftQR< Scalar >::Vector

private

Definition at line 27 of file DoubleShiftQR.h.

Constructor & Destructor Documentation

template<typename Scalar = double>

Spectra::DoubleShiftQR< Scalar >::DoubleShiftQR ( Index  size )

inline

Definition at line 268 of file DoubleShiftQR.h.

template<typename Scalar = double>

Spectra::DoubleShiftQR< Scalar >::DoubleShiftQR ( ConstGenericMatrix &  mat, const Scalar &  s, const Scalar &  t  )

inline

Definition at line 277 of file DoubleShiftQR.h.

Member Function Documentation

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::apply_PX ( GenericMatrix  X, Index  stride, Index  u_ind  ) const

inlineprivate

Definition at line 165 of file DoubleShiftQR.h.

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::apply_PX ( Scalar *  x, Index  u_ind  ) const

inlineprivate

Definition at line 205 of file DoubleShiftQR.h.

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::apply_QtY ( Vector &  y ) const

inline

Definition at line 352 of file DoubleShiftQR.h.

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::apply_XP ( GenericMatrix  X, Index  stride, Index  u_ind  ) const

inlineprivate

Definition at line 225 of file DoubleShiftQR.h.

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::apply_YQ ( GenericMatrix  Y ) const

inline

Definition at line 367 of file DoubleShiftQR.h.

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::compute ( ConstGenericMatrix &  mat, const Scalar &  s, const Scalar &  t  )

inline

Definition at line 293 of file DoubleShiftQR.h.

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::compute_reflector ( const Scalar &  x1, const Scalar &  x2, const Scalar &  x3, Index  ind  )

inlineprivate

Definition at line 50 of file DoubleShiftQR.h.

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::compute_reflector ( const Scalar *  x, Index  ind  )

inlineprivate

Definition at line 94 of file DoubleShiftQR.h.

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::matrix_QtHQ ( Matrix &  dest ) const

inline

Definition at line 342 of file DoubleShiftQR.h.

template<typename Scalar = double>

void Spectra::DoubleShiftQR< Scalar >::update_block ( Index  il, Index  iu  )

inlineprivate

Definition at line 100 of file DoubleShiftQR.h.

Member Data Documentation

template<typename Scalar = double>

bool Spectra::DoubleShiftQR< Scalar >::m_computed

private

Definition at line 48 of file DoubleShiftQR.h.

template<typename Scalar = double>

const Scalar Spectra::DoubleShiftQR< Scalar >::m_eps

private

Definition at line 44 of file DoubleShiftQR.h.

template<typename Scalar = double>

const Scalar Spectra::DoubleShiftQR< Scalar >::m_eps_abs

private

Definition at line 47 of file DoubleShiftQR.h.

template<typename Scalar = double>

const Scalar Spectra::DoubleShiftQR< Scalar >::m_eps_rel

private

Definition at line 46 of file DoubleShiftQR.h.

template<typename Scalar = double>

Matrix Spectra::DoubleShiftQR< Scalar >::m_mat_H

private

Definition at line 34 of file DoubleShiftQR.h.

template<typename Scalar = double>

Index Spectra::DoubleShiftQR< Scalar >::m_n

private

Definition at line 33 of file DoubleShiftQR.h.

template<typename Scalar = double>

const Scalar Spectra::DoubleShiftQR< Scalar >::m_near_0

private

Definition at line 42 of file DoubleShiftQR.h.

template<typename Scalar = double>

IntArray Spectra::DoubleShiftQR< Scalar >::m_ref_nr

private

Definition at line 38 of file DoubleShiftQR.h.

template<typename Scalar = double>

Matrix3X Spectra::DoubleShiftQR< Scalar >::m_ref_u

private

Definition at line 37 of file DoubleShiftQR.h.

template<typename Scalar = double>

Scalar Spectra::DoubleShiftQR< Scalar >::m_shift_s

private

Definition at line 35 of file DoubleShiftQR.h.

template<typename Scalar = double>

Scalar Spectra::DoubleShiftQR< Scalar >::m_shift_t

private

Definition at line 36 of file DoubleShiftQR.h.

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

• DoubleShiftQR.h