la_lapack::gehrd Interface Reference

GEHRD: reduces a complex general matrix A to upper Hessenberg form H by an unitary similarity transformation: Q**H * A * Q = H . More...

Public Member Functions
pure subroutine	cgehrd (n, ilo, ihi, a, lda, tau, work, lwork, info)
	la_cgehrd
pure subroutine	dgehrd (n, ilo, ihi, a, lda, tau, work, lwork, info)
	la_dgehrd
	la_qgehrd
pure subroutine	sgehrd (n, ilo, ihi, a, lda, tau, work, lwork, info)
	la_sgehrd
	la_wgehrd
pure subroutine	zgehrd (n, ilo, ihi, a, lda, tau, work, lwork, info)
	la_zgehrd

Detailed Description

GEHRD: reduces a complex general matrix A to upper Hessenberg form H by an unitary similarity transformation: Q**H * A * Q = H .

Member Function/Subroutine Documentation

cgehrd()

pure subroutine la_lapack::gehrd::cgehrd	(	integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	ilo,
		integer(ilp), intent(in)	ihi,
		complex(sp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		complex(sp), dimension(*), intent(out)	tau,
		complex(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info
	)

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dgehrd()

pure subroutine la_lapack::gehrd::dgehrd	(	integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	ilo,
		integer(ilp), intent(in)	ihi,
		real(dp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		real(dp), dimension(*), intent(out)	tau,
		real(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info
	)

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la_cgehrd()

la_lapack::gehrd::la_cgehrd

la_dgehrd()

la_lapack::gehrd::la_dgehrd

la_qgehrd()

la_lapack::gehrd::la_qgehrd

la_sgehrd()

la_lapack::gehrd::la_sgehrd

la_wgehrd()

la_lapack::gehrd::la_wgehrd

la_zgehrd()

la_lapack::gehrd::la_zgehrd

sgehrd()

pure subroutine la_lapack::gehrd::sgehrd	(	integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	ilo,
		integer(ilp), intent(in)	ihi,
		real(sp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		real(sp), dimension(*), intent(out)	tau,
		real(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info
	)

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zgehrd()

pure subroutine la_lapack::gehrd::zgehrd	(	integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	ilo,
		integer(ilp), intent(in)	ihi,
		complex(dp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		complex(dp), dimension(*), intent(out)	tau,
		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