gebd2.hpp File Reference

#include "tlapack/base/utils.hpp"
#include "tlapack/lapack/larf.hpp"
#include "tlapack/lapack/larfg.hpp"

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Functions
template<TLAPACK_SMATRIX matrix_t, TLAPACK_VECTOR vector_t>
int	tlapack::gebd2 (matrix_t &A, vector_t &tauv, vector_t &tauw)
	Reduces a general m by n matrix A to an upper real bidiagonal form B by a unitary transformation:
template<TLAPACK_SMATRIX matrix_t, TLAPACK_VECTOR vector_t, TLAPACK_WORKSPACE work_t>
int	tlapack::gebd2_work (matrix_t &A, vector_t &tauv, vector_t &tauw, work_t &work)
	Reduces a general m by n matrix A to an upper real bidiagonal form B by a unitary transformation: Workspace is provided as an argument.
template<class T , TLAPACK_SMATRIX matrix_t, TLAPACK_VECTOR vector_t>
constexpr WorkInfo	tlapack::gebd2_worksize (const matrix_t &A, const vector_t &tauv, const vector_t &tauw)
	Worspace query of gebd2().

Detailed Description

Author

Yuxin Cai, University of Colorado Denver, USA

Thijs Steel, KU Leuven, Belgium

Note

Adapted from

See also

https://github.com/Reference-LAPACK/lapack/blob/master/SRC/zgebd2.f