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make ColPivotingQR use HouseholderSequence

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This commit is contained in:
Gael Guennebaud
2009-09-16 15:56:20 +02:00
parent 49dd5d7847
commit 24950bdfcb
6 changed files with 68 additions and 62 deletions
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26
Eigen/src/Householder/HouseholderSequence.h
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@@ -80,10 +80,10 @@ template<typename VectorsType, typename CoeffsType> class HouseholderSequence
int cols() const { return m_vectors.rows(); }
HouseholderSequence transpose() const
{ return HouseholderSequence(m_vectors, m_coeffs, !m_trans); }
{ return HouseholderSequence(m_vectors, m_coeffs, !m_trans); }
ConjugateReturnType conjugate() const
{ return ConjugateReturnType(m_vectors, m_coeffs.conjugate(), m_trans); }
{ return ConjugateReturnType(m_vectors, m_coeffs.conjugate(), m_trans); }
ConjugateReturnType adjoint() const
{ return ConjugateReturnType(m_vectors, m_coeffs.conjugate(), !m_trans); }
@@ -136,6 +136,22 @@ template<typename VectorsType, typename CoeffsType> class HouseholderSequence
}
}
template<typename OtherDerived>
typename OtherDerived::PlainMatrixType operator*(const MatrixBase<OtherDerived>& other) const
{
typename OtherDerived::PlainMatrixType res(other);
applyThisOnTheLeft(res);
return res;
}
template<typename OtherDerived> friend
typename OtherDerived::PlainMatrixType operator*(const MatrixBase<OtherDerived>& other, const HouseholderSequence& h)
{
typename OtherDerived::PlainMatrixType res(other);
h.applyThisOnTheRight(res);
return res;
}
protected:
typename VectorsType::Nested m_vectors;
@@ -143,4 +159,10 @@ template<typename VectorsType, typename CoeffsType> class HouseholderSequence
bool m_trans;
};
template<typename VectorsType, typename CoeffsType>
HouseholderSequence<VectorsType,CoeffsType> makeHouseholderSequence(const VectorsType& v, const CoeffsType& h, bool trans=false)
{
return HouseholderSequence<VectorsType,CoeffsType>(v, h, trans);
}
#endif // EIGEN_HOUSEHOLDER_SEQUENCE_H