lagts: LU solve of (T - λI) x = y

Functions
subroutine	dlagts (JOB, N, A, B, C, D, IN, Y, TOL, INFO)
	DLAGTS solves the system of equations (T-λI)x = y or (T-λI)^Tx = y, where T is a general tridiagonal matrix and λ a scalar, using the LU factorization computed by slagtf. More...
subroutine	slagts (JOB, N, A, B, C, D, IN, Y, TOL, INFO)
	SLAGTS solves the system of equations (T-λI)x = y or (T-λI)^Tx = y, where T is a general tridiagonal matrix and λ a scalar, using the LU factorization computed by slagtf. More...

Detailed Description