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la_lapack::gebrd Interface Reference
GEBRD: reduces a general complex M-by-N matrix A to upper or lower bidiagonal form B by a unitary transformation: Q**H * A * P = B. If m >= n, B is upper bidiagonal; if m < n, B is lower bidiagonal. More...
Public Member Functions | |
| pure subroutine | cgebrd (m, n, a, lda, d, e, tauq, taup, work, lwork, info) |
| la_cgebrd | |
| pure subroutine | dgebrd (m, n, a, lda, d, e, tauq, taup, work, lwork, info) |
| la_dgebrd | |
| la_qgebrd | |
| pure subroutine | sgebrd (m, n, a, lda, d, e, tauq, taup, work, lwork, info) |
| la_sgebrd | |
| la_wgebrd | |
| pure subroutine | zgebrd (m, n, a, lda, d, e, tauq, taup, work, lwork, info) |
| la_zgebrd | |
Detailed Description
GEBRD: reduces a general complex M-by-N matrix A to upper or lower bidiagonal form B by a unitary transformation: Q**H * A * P = B. If m >= n, B is upper bidiagonal; if m < n, B is lower bidiagonal.
Member Function/Subroutine Documentation
◆ cgebrd()
| pure subroutine la_lapack::gebrd::cgebrd | ( | integer(ilp), intent(in) | m, |
| integer(ilp), intent(in) | n, | ||
| complex(sp), dimension(lda,*), intent(inout) | a, | ||
| integer(ilp), intent(in) | lda, | ||
| real(sp), dimension(*), intent(out) | d, | ||
| real(sp), dimension(*), intent(out) | e, | ||
| complex(sp), dimension(*), intent(out) | tauq, | ||
| complex(sp), dimension(*), intent(out) | taup, | ||
| complex(sp), dimension(*), intent(out) | work, | ||
| integer(ilp), intent(in) | lwork, | ||
| integer(ilp), intent(out) | info ) |
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◆ dgebrd()
| pure subroutine la_lapack::gebrd::dgebrd | ( | integer(ilp), intent(in) | m, |
| integer(ilp), intent(in) | n, | ||
| real(dp), dimension(lda,*), intent(inout) | a, | ||
| integer(ilp), intent(in) | lda, | ||
| real(dp), dimension(*), intent(out) | d, | ||
| real(dp), dimension(*), intent(out) | e, | ||
| real(dp), dimension(*), intent(out) | tauq, | ||
| real(dp), dimension(*), intent(out) | taup, | ||
| real(dp), dimension(*), intent(out) | work, | ||
| integer(ilp), intent(in) | lwork, | ||
| integer(ilp), intent(out) | info ) |
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◆ la_cgebrd()
| la_lapack::gebrd::la_cgebrd |
◆ la_dgebrd()
| la_lapack::gebrd::la_dgebrd |
◆ la_qgebrd()
| la_lapack::gebrd::la_qgebrd |
◆ la_sgebrd()
| la_lapack::gebrd::la_sgebrd |
◆ la_wgebrd()
| la_lapack::gebrd::la_wgebrd |
◆ la_zgebrd()
| la_lapack::gebrd::la_zgebrd |
◆ sgebrd()
| pure subroutine la_lapack::gebrd::sgebrd | ( | integer(ilp), intent(in) | m, |
| integer(ilp), intent(in) | n, | ||
| real(sp), dimension(lda,*), intent(inout) | a, | ||
| integer(ilp), intent(in) | lda, | ||
| real(sp), dimension(*), intent(out) | d, | ||
| real(sp), dimension(*), intent(out) | e, | ||
| real(sp), dimension(*), intent(out) | tauq, | ||
| real(sp), dimension(*), intent(out) | taup, | ||
| real(sp), dimension(*), intent(out) | work, | ||
| integer(ilp), intent(in) | lwork, | ||
| integer(ilp), intent(out) | info ) |
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◆ zgebrd()
| pure subroutine la_lapack::gebrd::zgebrd | ( | integer(ilp), intent(in) | m, |
| integer(ilp), intent(in) | n, | ||
| complex(dp), dimension(lda,*), intent(inout) | a, | ||
| integer(ilp), intent(in) | lda, | ||
| real(dp), dimension(*), intent(out) | d, | ||
| real(dp), dimension(*), intent(out) | e, | ||
| complex(dp), dimension(*), intent(out) | tauq, | ||
| complex(dp), dimension(*), intent(out) | taup, | ||
| complex(dp), dimension(*), intent(out) | work, | ||
| integer(ilp), intent(in) | lwork, | ||
| integer(ilp), intent(out) | info ) |
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The documentation for this interface was generated from the following file:
