ungbr.hpp File Reference

#include "tlapack/base/utils.hpp"
#include "tlapack/lapack/ungq.hpp"

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Classes
struct	tlapack::UngbrOpts
	Options struct for ungbr. More...

Functions
template<TLAPACK_SMATRIX matrix_t, TLAPACK_SVECTOR vector_t>
int	tlapack::ungbr_p (const size_type< matrix_t > k, matrix_t &A, const vector_t &tau, const UngbrOpts &opts={})
	Generates the unitary matrix P**H determined by gebrd when reducing a matrix A to bidiagonal form: A = Q * B * P**H.
template<TLAPACK_SMATRIX matrix_t, TLAPACK_SVECTOR vector_t, TLAPACK_WORKSPACE work_t>
int	tlapack::ungbr_p_work (const size_type< matrix_t > k, matrix_t &A, const vector_t &tau, work_t &work, const UngbrOpts &opts={})
	Generates the unitary matrix P**H determined by gebrd when reducing a matrix A to bidiagonal form: A = Q * B * P**H. Workspace is provided as an argument.
template<class T , TLAPACK_SMATRIX matrix_t, TLAPACK_SVECTOR vector_t>
constexpr WorkInfo	tlapack::ungbr_p_worksize (const size_type< matrix_t > k, matrix_t &A, const vector_t &tau, const UngbrOpts &opts={})
	Worspace query of ungbr_p()
template<TLAPACK_SMATRIX matrix_t, TLAPACK_SVECTOR vector_t>
int	tlapack::ungbr_q (const size_type< matrix_t > k, matrix_t &A, const vector_t &tau, const UngbrOpts &opts={})
	Generates the unitary matrix Q determined by gebrd when reducing a matrix A to bidiagonal form: A = Q * B * P**H.
template<TLAPACK_SMATRIX matrix_t, TLAPACK_SVECTOR vector_t, TLAPACK_WORKSPACE work_t>
int	tlapack::ungbr_q_work (const size_type< matrix_t > k, matrix_t &A, const vector_t &tau, work_t &work, const UngbrOpts &opts={})
	Generates the unitary matrix Q determined by gebrd when reducing a matrix A to bidiagonal form: A = Q * B * P**H. Workspace is provided as an argument.
template<class T , TLAPACK_SMATRIX matrix_t, TLAPACK_SVECTOR vector_t>
constexpr WorkInfo	tlapack::ungbr_q_worksize (const size_type< matrix_t > k, matrix_t &A, const vector_t &tau, const UngbrOpts &opts={})
	Worspace query of ungbr_q()

Detailed Description

Author

Thijs Steel, KU Leuven, Belgium Adapted from

See also

https://github.com/Reference-LAPACK/lapack/tree/master/SRC/zungbr.f