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:

• la_lapack.f90