UNGQR: generates an M-by-N complex matrix Q with orthonormal columns, which is defined as the first N columns of a product of K elementary reflectors of order M Q = H(1) H(2) . . . H(k) as returned by CGEQRF.
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| pure subroutine | cungqr (m, n, k, a, lda, tau, work, lwork, info) |
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| | la_cungqr |
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| | la_wungqr |
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| pure subroutine | zungqr (m, n, k, a, lda, tau, work, lwork, info) |
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| | la_zungqr |
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UNGQR: generates an M-by-N complex matrix Q with orthonormal columns, which is defined as the first N columns of a product of K elementary reflectors of order M Q = H(1) H(2) . . . H(k) as returned by CGEQRF.
◆ cungqr()
| pure subroutine la_lapack::ungqr::cungqr |
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integer(ilp), intent(in) | m, |
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integer(ilp), intent(in) | n, |
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integer(ilp), intent(in) | k, |
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complex(sp), dimension(lda,*), intent(inout) | a, |
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integer(ilp), intent(in) | lda, |
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complex(sp), dimension(*), intent(in) | tau, |
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complex(sp), dimension(*), intent(out) | work, |
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integer(ilp), intent(in) | lwork, |
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integer(ilp), intent(out) | info ) |
◆ la_cungqr()
| la_lapack::ungqr::la_cungqr |
◆ la_wungqr()
| la_lapack::ungqr::la_wungqr |
◆ la_zungqr()
| la_lapack::ungqr::la_zungqr |
◆ zungqr()
| pure subroutine la_lapack::ungqr::zungqr |
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integer(ilp), intent(in) | m, |
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integer(ilp), intent(in) | n, |
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integer(ilp), intent(in) | k, |
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complex(dp), dimension(lda,*), intent(inout) | a, |
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integer(ilp), intent(in) | lda, |
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complex(dp), dimension(*), intent(in) | tau, |
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complex(dp), dimension(*), intent(out) | work, |
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integer(ilp), intent(in) | lwork, |
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integer(ilp), intent(out) | info ) |
The documentation for this interface was generated from the following file:
