Eigen::internal::tridiagonalization_inplace_selector< MatrixType, Size, IsComplex > Struct Template Reference

#include <Tridiagonalization.h>

Public Types
typedef Tridiagonalization< MatrixType >::HouseholderSequenceType	HouseholderSequenceType

Static Public Member Functions
template<typename DiagonalType , typename SubDiagonalType , typename CoeffVectorType , typename WorkSpaceType >
static EIGEN_DEVICE_FUNC void	run (MatrixType &mat, DiagonalType &diag, SubDiagonalType &subdiag, CoeffVectorType &hCoeffs, WorkSpaceType &workspace, bool extractQ)

Detailed Description

template<typename MatrixType, int Size, bool IsComplex>
struct Eigen::internal::tridiagonalization_inplace_selector< MatrixType, Size, IsComplex >

General full tridiagonalization

Member Typedef Documentation

HouseholderSequenceType

template<typename MatrixType , int Size, bool IsComplex>

typedef Tridiagonalization<MatrixType>::HouseholderSequenceType Eigen::internal::tridiagonalization_inplace_selector< MatrixType, Size, IsComplex >::HouseholderSequenceType

Member Function Documentation

run()

template<typename MatrixType , int Size, bool IsComplex>

template<typename DiagonalType , typename SubDiagonalType , typename CoeffVectorType , typename WorkSpaceType >

static EIGEN_DEVICE_FUNC void Eigen::internal::tridiagonalization_inplace_selector< MatrixType, Size, IsComplex >::run ( MatrixType &  mat, DiagonalType &  diag, SubDiagonalType &  subdiag, CoeffVectorType &  hCoeffs, WorkSpaceType &  workspace, bool  extractQ  )

inlinestatic

                                                                                                       {
    tridiagonalization_inplace(mat, hCoeffs);
    diag = mat.diagonal().real();
    subdiag = mat.template diagonal<-1>().real();
    if (extractQ) {
      HouseholderSequenceType(mat, hCoeffs.conjugate()).setLength(mat.rows() - 1).setShift(1).evalTo(mat, workspace);
    }
  }

References diag, Eigen::SparseMatrix< Scalar_, Options_, StorageIndex_ >::diagonal(), diagonal(), Eigen::HouseholderSequence< VectorsType, CoeffsType, Side >::evalTo(), Eigen::real(), Eigen::SparseMatrix< Scalar_, Options_, StorageIndex_ >::rows(), Eigen::HouseholderSequence< VectorsType, CoeffsType, Side >::setLength(), Eigen::HouseholderSequence< VectorsType, CoeffsType, Side >::setShift(), and Eigen::internal::tridiagonalization_inplace().

Referenced by Eigen::internal::tridiagonalization_inplace().

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

• Tridiagonalization.h