la_lapack::lahqr Interface Reference

LAHQR: is an auxiliary routine called by CHSEQR to update the eigenvalues and Schur decomposition already computed by CHSEQR, by dealing with the Hessenberg submatrix in rows and columns ILO to IHI. More...

Public Member Functions
pure subroutine	clahqr (wantt, wantz, n, ilo, ihi, h, ldh, w, iloz, ihiz, z, ldz, info)
	la_clahqr
pure subroutine	dlahqr (wantt, wantz, n, ilo, ihi, h, ldh, wr, wi, iloz, ihiz, z, ldz, info)
	la_dlahqr
	la_qlahqr
pure subroutine	slahqr (wantt, wantz, n, ilo, ihi, h, ldh, wr, wi, iloz, ihiz, z, ldz, info)
	la_slahqr
	la_wlahqr
pure subroutine	zlahqr (wantt, wantz, n, ilo, ihi, h, ldh, w, iloz, ihiz, z, ldz, info)
	la_zlahqr

Detailed Description

LAHQR: is an auxiliary routine called by CHSEQR to update the eigenvalues and Schur decomposition already computed by CHSEQR, by dealing with the Hessenberg submatrix in rows and columns ILO to IHI.

Member Function/Subroutine Documentation

clahqr()

pure subroutine la_lapack::lahqr::clahqr	(	logical(lk), intent(in)	wantt,
		logical(lk), intent(in)	wantz,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	ilo,
		integer(ilp), intent(in)	ihi,
		complex(sp), dimension(ldh,*), intent(inout)	h,
		integer(ilp), intent(in)	ldh,
		complex(sp), dimension(*), intent(out)	w,
		integer(ilp), intent(in)	iloz,
		integer(ilp), intent(in)	ihiz,
		complex(sp), dimension(ldz,*), intent(inout)	z,
		integer(ilp), intent(in)	ldz,
		integer(ilp), intent(out)	info )

dlahqr()

pure subroutine la_lapack::lahqr::dlahqr	(	logical(lk), intent(in)	wantt,
		logical(lk), intent(in)	wantz,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	ilo,
		integer(ilp), intent(in)	ihi,
		real(dp), dimension(ldh,*), intent(inout)	h,
		integer(ilp), intent(in)	ldh,
		real(dp), dimension(*), intent(out)	wr,
		real(dp), dimension(*), intent(out)	wi,
		integer(ilp), intent(in)	iloz,
		integer(ilp), intent(in)	ihiz,
		real(dp), dimension(ldz,*), intent(inout)	z,
		integer(ilp), intent(in)	ldz,
		integer(ilp), intent(out)	info )

la_clahqr()

la_lapack::lahqr::la_clahqr

la_dlahqr()

la_lapack::lahqr::la_dlahqr

la_qlahqr()

la_lapack::lahqr::la_qlahqr

la_slahqr()

la_lapack::lahqr::la_slahqr

la_wlahqr()

la_lapack::lahqr::la_wlahqr

la_zlahqr()

la_lapack::lahqr::la_zlahqr

slahqr()

pure subroutine la_lapack::lahqr::slahqr	(	logical(lk), intent(in)	wantt,
		logical(lk), intent(in)	wantz,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	ilo,
		integer(ilp), intent(in)	ihi,
		real(sp), dimension(ldh,*), intent(inout)	h,
		integer(ilp), intent(in)	ldh,
		real(sp), dimension(*), intent(out)	wr,
		real(sp), dimension(*), intent(out)	wi,
		integer(ilp), intent(in)	iloz,
		integer(ilp), intent(in)	ihiz,
		real(sp), dimension(ldz,*), intent(inout)	z,
		integer(ilp), intent(in)	ldz,
		integer(ilp), intent(out)	info )

zlahqr()

pure subroutine la_lapack::lahqr::zlahqr	(	logical(lk), intent(in)	wantt,
		logical(lk), intent(in)	wantz,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	ilo,
		integer(ilp), intent(in)	ihi,
		complex(dp), dimension(ldh,*), intent(inout)	h,
		integer(ilp), intent(in)	ldh,
		complex(dp), dimension(*), intent(out)	w,
		integer(ilp), intent(in)	iloz,
		integer(ilp), intent(in)	ihiz,
		complex(dp), dimension(ldz,*), intent(inout)	z,
		integer(ilp), intent(in)	ldz,
		integer(ilp), intent(out)	info )

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The documentation for this interface was generated from the following file:

• la_lapack.f90