octave::math::svd< T > Class Template Reference

#include "svd.h"

Collaboration diagram for octave::math::svd< T >:

Public Types
typedef T::real_diag_matrix_type	DM_T
enum	Driver { Driver::GESVD, Driver::GESDD }
enum	Type { Type::std, Type::economy, Type::sigma_only }

Public Member Functions
	svd (void)
	svd (const T &a, svd::Type type=svd::Type::std, svd::Driver driver=svd::Driver::GESVD)
	svd (const svd &a)
	~svd (void)=default
T	left_singular_matrix (void) const
svd &	operator= (const svd &a)
T	right_singular_matrix (void) const
DM_T	singular_values (void) const

Private Types
typedef DM_T::element_type	DM_P
typedef T::element_type	P

Private Member Functions
void	gesdd (char &jobz, octave_f77_int_type m, octave_f77_int_type n, P *tmp_data, octave_f77_int_type m1, DM_P *s_vec, P *u, P *vt, octave_f77_int_type nrow_vt1, std::vector< P > &work, octave_f77_int_type &lwork, octave_f77_int_type *iwork, octave_f77_int_type &info)
void	gesvd (char &jobu, char &jobv, octave_f77_int_type m, octave_f77_int_type n, P *tmp_data, octave_f77_int_type m1, DM_P *s_vec, P *u, P *vt, octave_f77_int_type nrow_vt1, std::vector< P > &work, octave_f77_int_type &lwork, octave_f77_int_type &info)

Private Attributes
T	left_sm
svd::Driver	m_driver
svd::Type	m_type
T	right_sm
DM_T	sigma

Detailed Description

template<typename T>
class octave::math::svd< T >

Definition at line 36 of file svd.h.

Member Typedef Documentation

DM_P

template<typename T>

typedef DM_T::element_type octave::math::svd< T >::DM_P

private

Definition at line 93 of file svd.h.

DM_T

template<typename T>

typedef T::real_diag_matrix_type octave::math::svd< T >::DM_T

Definition at line 41 of file svd.h.

P

template<typename T>

typedef T::element_type octave::math::svd< T >::P

private

Definition at line 92 of file svd.h.

Member Enumeration Documentation

Driver

template<typename T>

enum octave::math::svd::Driver

strong

Enumerator
GESVD
GESDD

Definition at line 50 of file svd.h.

Type

template<typename T>

enum octave::math::svd::Type

strong

Enumerator
std
economy
sigma_only

Definition at line 43 of file svd.h.

Constructor & Destructor Documentation

svd() [1/3]

template<typename T>

octave::math::svd< T >::svd ( void  )

inline

Definition at line 56 of file svd.h.

svd() [2/3]

template<typename T >

svd< T >::svd	(	const T &	a,
		svd< T >::Type	type = svd< T >::Type::std,
		svd< T >::Driver	driver = svd< T >::Driver::GESVD
	)

Definition at line 276 of file svd.cc.

References a, current_liboctave_error_handler, octave::math::svd< T >::economy, octave::math::svd< T >::GESDD, octave::math::svd< T >::gesdd(), octave::math::svd< T >::GESVD, octave::math::svd< T >::gesvd(), i, octave::math::svd< T >::left_sm, octave::math::svd< T >::m_driver, octave::math::svd< T >::m_type, max(), min(), octave::math::svd< T >::right_sm, octave::math::svd< T >::sigma, octave::math::svd< T >::sigma_only, octave::math::svd< T >::std, and u.

svd() [3/3]

template<typename T>

octave::math::svd< T >::svd ( const svd< T > &  a )

inline

Definition at line 63 of file svd.h.

~svd()

template<typename T>

octave::math::svd< T >::~svd ( void  )

default

Member Function Documentation

gesdd()

template<typename T>

void octave::math::svd< T >::gesdd ( char &  jobz, octave_f77_int_type  m, octave_f77_int_type  n, P *  tmp_data, octave_f77_int_type  m1, DM_P *  s_vec, P *  u, P *  vt, octave_f77_int_type  nrow_vt1, std::vector< P > &  work, octave_f77_int_type &  lwork, octave_f77_int_type *  iwork, octave_f77_int_type &  info  )

private

Referenced by octave::math::svd< T >::svd().

gesvd()

template<typename T>

void octave::math::svd< T >::gesvd ( char &  jobu, char &  jobv, octave_f77_int_type  m, octave_f77_int_type  n, P *  tmp_data, octave_f77_int_type  m1, DM_P *  s_vec, P *  u, P *  vt, octave_f77_int_type  nrow_vt1, std::vector< P > &  work, octave_f77_int_type &  lwork, octave_f77_int_type &  info  )

private

Referenced by octave::math::svd< T >::svd().

left_singular_matrix()

template<typename T >

T svd< T >::left_singular_matrix

(

void

)

const

Definition at line 48 of file svd.cc.

References octave::math::svd< T >::sigma_only.

operator=()

template<typename T>

svd& octave::math::svd< T >::operator= ( const svd< T > &  a )

inline

Definition at line 68 of file svd.h.

References a.

right_singular_matrix()

template<typename T >

T svd< T >::right_singular_matrix

(

void

)

const

Definition at line 59 of file svd.cc.

References octave::math::svd< T >::sigma_only.

Referenced by null().

singular_values()

template<typename T>

DM_T octave::math::svd< T >::singular_values ( void  ) const

inline

Definition at line 86 of file svd.h.

Referenced by null(), and svd_matrix_norm().

Member Data Documentation

left_sm

template<typename T>

T octave::math::svd< T >::left_sm

private

Definition at line 98 of file svd.h.

Referenced by octave::math::svd< T >::svd().

m_driver

template<typename T>

svd::Driver octave::math::svd< T >::m_driver

private

Definition at line 96 of file svd.h.

Referenced by octave::math::svd< T >::svd().

m_type

template<typename T>

svd::Type octave::math::svd< T >::m_type

private

Definition at line 95 of file svd.h.

Referenced by octave::math::svd< T >::svd().

right_sm

template<typename T>

T octave::math::svd< T >::right_sm

private

Definition at line 100 of file svd.h.

Referenced by octave::math::svd< T >::svd().

sigma

template<typename T>

DM_T octave::math::svd< T >::sigma

private

Definition at line 99 of file svd.h.

Referenced by octave::math::svd< T >::svd().

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

• liboctave/numeric/svd.h
• liboctave/numeric/svd.cc