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enum class | tlapack::HessenbergVariant : char { Level2 = '2'
, Blocked = 'B'
} |
| Variants of the algorithm to reduce a matrix to upper Hessenberg form.
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template<TLAPACK_SMATRIX matrix_t, TLAPACK_SVECTOR vector_t> |
int | tlapack::hessenberg (size_type< matrix_t > ilo, size_type< matrix_t > ihi, matrix_t &A, vector_t &tau, const HessenbergOpts &opts={}) |
| Reduces a general square matrix to upper Hessenberg form.
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template<TLAPACK_SMATRIX matrix_t, TLAPACK_SVECTOR vector_t, TLAPACK_WORKSPACE work_t> |
int | tlapack::hessenberg_work (size_type< matrix_t > ilo, size_type< matrix_t > ihi, matrix_t &A, vector_t &tau, work_t &work, const HessenbergOpts &opts={}) |
| Reduces a general square matrix to upper Hessenberg form. Workspace is provided as an argument.
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template<class T , TLAPACK_SMATRIX matrix_t, TLAPACK_SVECTOR vector_t> |
constexpr WorkInfo | tlapack::hessenberg_worksize (size_type< matrix_t > ilo, size_type< matrix_t > ihi, const matrix_t &A, const vector_t &tau, const HessenbergOpts &opts={}) |
| Workspace query of hessenberg()
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- Author
- Weslley S Pereira, University of Colorado Denver, USA