#include "svd.h"

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

[legend]

Public Types
typedef T::real_diag_matrix_type	DM_T

enum class	Driver { GESVD , GESDD }

enum class	Type { std , economy , sigma_only }

Public Member Functions
	svd (const svd &a)

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

	svd (void)

	~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 38 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 95 of file svd.h.

◆ DM_T

template<typename T >

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

Definition at line 43 of file svd.h.

◆ P

template<typename T >

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

private

Definition at line 94 of file svd.h.

Member Enumeration Documentation

◆ Driver

template<typename T >

enum octave::math::svd::Driver

strong

Enumerator
GESVD
GESDD

Definition at line 52 of file svd.h.

◆ Type

template<typename T >

enum octave::math::svd::Type

strong

Enumerator
std
economy
sigma_only

Definition at line 45 of file svd.h.

Constructor & Destructor Documentation

◆ svd() [1/3]

template<typename T >

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

inline

Definition at line 58 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 278 of file svd.cc.

References 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(), octave::math::svd< T >::left_sm, m, octave::math::svd< T >::m_driver, octave::math::svd< T >::m_type, max(), min(), n, octave::math::svd< T >::right_sm, octave::math::svd< T >::sigma, octave::math::svd< T >::sigma_only, and octave::math::svd< T >::std.

◆ svd() [3/3]

template<typename T >

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

inline

Definition at line 65 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
	)