ORGHR: generates a real orthogonal matrix Q which is defined as the product of IHI-ILO elementary reflectors of order N, as returned by DGEHRD: Q = H(ilo) H(ilo+1) . . . H(ihi-1).
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pure subroutine | dorghr (n, ilo, ihi, a, lda, tau, work, lwork, info) |
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| la_dorghr |
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| la_qorghr |
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pure subroutine | sorghr (n, ilo, ihi, a, lda, tau, work, lwork, info) |
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| la_sorghr |
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ORGHR: generates a real orthogonal matrix Q which is defined as the product of IHI-ILO elementary reflectors of order N, as returned by DGEHRD: Q = H(ilo) H(ilo+1) . . . H(ihi-1).
◆ dorghr()
pure subroutine la_lapack::orghr::dorghr |
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integer(ilp), intent(in) |
n, |
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integer(ilp), intent(in) |
ilo, |
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integer(ilp), intent(in) |
ihi, |
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real(dp), dimension(lda,*), intent(inout) |
a, |
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integer(ilp), intent(in) |
lda, |
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real(dp), dimension(*), intent(in) |
tau, |
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real(dp), dimension(*), intent(out) |
work, |
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integer(ilp), intent(in) |
lwork, |
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integer(ilp), intent(out) |
info |
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◆ la_dorghr()
la_lapack::orghr::la_dorghr |
◆ la_qorghr()
la_lapack::orghr::la_qorghr |
◆ la_sorghr()
la_lapack::orghr::la_sorghr |
◆ sorghr()
pure subroutine la_lapack::orghr::sorghr |
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integer(ilp), intent(in) |
n, |
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integer(ilp), intent(in) |
ilo, |
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integer(ilp), intent(in) |
ihi, |
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real(sp), dimension(lda,*), intent(inout) |
a, |
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integer(ilp), intent(in) |
lda, |
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real(sp), dimension(*), intent(in) |
tau, |
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real(sp), dimension(*), intent(out) |
work, |
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integer(ilp), intent(in) |
lwork, |
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integer(ilp), intent(out) |
info |
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The documentation for this interface was generated from the following file: