laqr1: step in hseqr

Collaboration diagram for laqr1: step in hseqr:

Functions
subroutine	claqr1 (n, h, ldh, s1, s2, v)
	CLAQR1 sets a scalar multiple of the first column of the product of 2-by-2 or 3-by-3 matrix H and specified shifts.
subroutine	dlaqr1 (n, h, ldh, sr1, si1, sr2, si2, v)
	DLAQR1 sets a scalar multiple of the first column of the product of 2-by-2 or 3-by-3 matrix H and specified shifts.
subroutine	slaqr1 (n, h, ldh, sr1, si1, sr2, si2, v)
	SLAQR1 sets a scalar multiple of the first column of the product of 2-by-2 or 3-by-3 matrix H and specified shifts.
subroutine	zlaqr1 (n, h, ldh, s1, s2, v)
	ZLAQR1 sets a scalar multiple of the first column of the product of 2-by-2 or 3-by-3 matrix H and specified shifts.

Detailed Description