gehd2: reduction to Hessenberg, level 2

Collaboration diagram for gehd2: reduction to Hessenberg, level 2:

Functions
subroutine	cgehd2 (n, ilo, ihi, a, lda, tau, work, info)
	CGEHD2 reduces a general square matrix to upper Hessenberg form using an unblocked algorithm.
subroutine	dgehd2 (n, ilo, ihi, a, lda, tau, work, info)
	DGEHD2 reduces a general square matrix to upper Hessenberg form using an unblocked algorithm.
subroutine	sgehd2 (n, ilo, ihi, a, lda, tau, work, info)
	SGEHD2 reduces a general square matrix to upper Hessenberg form using an unblocked algorithm.
subroutine	zgehd2 (n, ilo, ihi, a, lda, tau, work, info)
	ZGEHD2 reduces a general square matrix to upper Hessenberg form using an unblocked algorithm.

Detailed Description