Eigen::SPQR_QProduct< SPQRType, Derived > Struct Template Reference

#include <SuiteSparseQRSupport.h>

Inheritance diagram for Eigen::SPQR_QProduct< SPQRType, Derived >:

Collaboration diagram for Eigen::SPQR_QProduct< SPQRType, Derived >:

List of all members.

Public Types
typedef SPQRType::Scalar	Scalar
typedef SPQRType::StorageIndex	StorageIndex
Public Member Functions
	SPQR_QProduct (const SPQRType &spqr, const Derived &other, bool transpose)
Index	rows () const
Index	cols () const
template<typename ResType >
void	evalTo (ResType &res) const
Public Attributes
const SPQRType &	m_spqr
const Derived &	m_other
bool	m_transpose

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Detailed Description

template<typename SPQRType, typename Derived>
struct Eigen::SPQR_QProduct< SPQRType, Derived >

Definition at line 252 of file SuiteSparseQRSupport.h.

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Member Typedef Documentation

template<typename SPQRType, typename Derived>

typedef SPQRType::Scalar Eigen::SPQR_QProduct< SPQRType, Derived >::Scalar

Definition at line 254 of file SuiteSparseQRSupport.h.

template<typename SPQRType, typename Derived>

typedef SPQRType::StorageIndex Eigen::SPQR_QProduct< SPQRType, Derived >::StorageIndex

Definition at line 255 of file SuiteSparseQRSupport.h.

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Constructor & Destructor Documentation

template<typename SPQRType, typename Derived>

Eigen::SPQR_QProduct< SPQRType, Derived >::SPQR_QProduct	(	const SPQRType &	spqr,
		const Derived &	other,
		bool	transpose
	)		[inline]

Definition at line 257 of file SuiteSparseQRSupport.h.

: m_spqr(spqr),m_other(other),m_transpose(transpose) {}

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Member Function Documentation

template<typename SPQRType, typename Derived>

Index Eigen::SPQR_QProduct< SPQRType, Derived >::cols

(

void

)

const [inline]

Reimplemented from Eigen::ReturnByValue< SPQR_QProduct< SPQRType, Derived > >.

Definition at line 260 of file SuiteSparseQRSupport.h.

{ return m_other.cols(); }

template<typename SPQRType, typename Derived>

template<typename ResType >

void Eigen::SPQR_QProduct< SPQRType, Derived >::evalTo

(

ResType &

res

)

const [inline]

Definition at line 263 of file SuiteSparseQRSupport.h.

  {
    cholmod_dense y_cd;
    cholmod_dense *x_cd; 
    int method = m_transpose ? SPQR_QTX : SPQR_QX; 
    cholmod_common *cc = m_spqr.cholmodCommon();
    y_cd = viewAsCholmod(m_other.const_cast_derived());
    x_cd = SuiteSparseQR_qmult<Scalar>(method, m_spqr.m_H, m_spqr.m_HTau, m_spqr.m_HPinv, &y_cd, cc);
    res = Matrix<Scalar,ResType::RowsAtCompileTime,ResType::ColsAtCompileTime>::Map(reinterpret_cast<Scalar*>(x_cd->x), x_cd->nrow, x_cd->ncol);
    cholmod_l_free_dense(&x_cd, cc);
  }

template<typename SPQRType, typename Derived>

Index Eigen::SPQR_QProduct< SPQRType, Derived >::rows

(

void

)

const [inline]

Reimplemented from Eigen::ReturnByValue< SPQR_QProduct< SPQRType, Derived > >.

Definition at line 259 of file SuiteSparseQRSupport.h.

{ return m_transpose ? m_spqr.rows() : m_spqr.cols(); }

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Member Data Documentation

template<typename SPQRType, typename Derived>

const Derived& Eigen::SPQR_QProduct< SPQRType, Derived >::m_other

Definition at line 275 of file SuiteSparseQRSupport.h.

template<typename SPQRType, typename Derived>

const SPQRType& Eigen::SPQR_QProduct< SPQRType, Derived >::m_spqr

Definition at line 274 of file SuiteSparseQRSupport.h.

template<typename SPQRType, typename Derived>

bool Eigen::SPQR_QProduct< SPQRType, Derived >::m_transpose

Definition at line 276 of file SuiteSparseQRSupport.h.

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

• SuiteSparseQRSupport.h