#include "gsvd.h"

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

[legend]

Public Types
enum class	Type { std , economy , sigma_only }

Public Member Functions
	gsvd (const gsvd &a)

	gsvd (const T &a, const T &b, gsvd::Type gsvd_type=gsvd< T >::Type::economy)

	gsvd (void)

	~gsvd (void)=default

T	left_singular_matrix_A (void) const

T	left_singular_matrix_B (void) const

gsvd &	operator= (const gsvd &a)

T	R_matrix (void) const

T	right_singular_matrix (void) const

T::real_diag_matrix_type	singular_values_A (void) const

T::real_diag_matrix_type	singular_values_B (void) const

Private Types
typedef T::value_type	P

typedef T::real_matrix_type	real_matrix

Private Member Functions
void	ggsvd (char &jobu, char &jobv, char &jobq, octave_f77_int_type m, octave_f77_int_type n, octave_f77_int_type p, octave_f77_int_type &k, octave_f77_int_type &l, P tmp_dataA, octave_f77_int_type m1, P tmp_dataB, octave_f77_int_type p1, real_matrix &alpha, real_matrix &beta, P u, octave_f77_int_type nrow_u, P v, octave_f77_int_type nrow_v, P q, octave_f77_int_type nrow_q, T &work, octave_f77_int_type lwork, octave_f77_int_type iwork, octave_f77_int_type &info)

Private Attributes
T	left_smA

T	left_smB

T	R

T	right_sm

T::real_diag_matrix_type	sigmaA

T::real_diag_matrix_type	sigmaB

gsvd::Type	type

Detailed Description

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

Definition at line 36 of file gsvd.h.

Member Typedef Documentation

◆ P

template<typename T >

typedef T::value_type octave::math::gsvd< T >::P

private

Definition at line 91 of file gsvd.h.

◆ real_matrix

template<typename T >

typedef T::real_matrix_type octave::math::gsvd< T >::real_matrix

private

Definition at line 92 of file gsvd.h.

Member Enumeration Documentation

◆ Type

template<typename T >

enum octave::math::gsvd::Type

strong

Enumerator
std
economy
sigma_only

Definition at line 41 of file gsvd.h.

Constructor & Destructor Documentation

◆ gsvd() [1/3]

template<typename T >

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

inline

Definition at line 48 of file gsvd.h.

◆ gsvd() [2/3]

template<typename T >

gsvd< T >::gsvd	(	const T &	a,
		const T &	b,
		gsvd< T >::Type	gsvd_type = `gsvd<T>::Type::economy`
	)

Definition at line 488 of file gsvd.cc.

References abs(), octave::math::gsvd< T >::ggsvd(), octave::gsvd_initialized, gsvd_type(), octave::have_DGGSVD3, octave::initialize_gsvd(), m, and n.

◆ gsvd() [3/3]

template<typename T >

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

inline

Definition at line 54 of file gsvd.h.

◆ ~gsvd()

template<typename T >

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

default

Member Function Documentation

◆ ggsvd()

template<typename T >

void octave::math::gsvd< T >::ggsvd	(	char &	jobu,
		char &	jobv,
		char &	jobq,
		octave_f77_int_type	m,
		octave_f77_int_type	n,
		octave_f77_int_type	p,
		octave_f77_int_type &	k,
		octave_f77_int_type &	l,
		P *	tmp_dataA,
		octave_f77_int_type	m1,
		P *	tmp_dataB,
		octave_f77_int_type	p1,
		real_matrix &	alpha,
		real_matrix &	beta,
		P *	u,
		octave_f77_int_type	nrow_u,
		P *	v,
		octave_f77_int_type	nrow_v,
		P *	q,
		octave_f77_int_type	nrow_q,
		T &	work,
		octave_f77_int_type	lwork,
		octave_f77_int_type *	iwork,
		octave_f77_int_type &	info
	)