lasd5: D&C step: secular equation, 2x2

Collaboration diagram for lasd5: D&C step: secular equation, 2x2:

Functions
subroutine	dlasd5 (i, d, z, delta, rho, dsigma, work)
	DLASD5 computes the square root of the i-th eigenvalue of a positive symmetric rank-one modification of a 2-by-2 diagonal matrix. Used by sbdsdc.
subroutine	slasd5 (i, d, z, delta, rho, dsigma, work)
	SLASD5 computes the square root of the i-th eigenvalue of a positive symmetric rank-one modification of a 2-by-2 diagonal matrix. Used by sbdsdc.

Detailed Description