PZDTTRS - solve a system of linear equations A(1:N, JA:JA+N-1) * X = B(IB:IB+N-1, 1:NRHS)

       PZDTTRS - solve a system of linear equations   A(1:N, JA:JA+N-1) * X = B(IB:IB+N-1, 1:NRHS)

       PZDTTRS solves a system of linear equations
                                         or
                 A(1:N, JA:JA+N-1)' * X = B(IB:IB+N-1, 1:NRHS)

       where  A(1:N,  JA:JA+N-1)  is the matrix used to produce the factors stored in A(1:N,JA:JA+N-1) and AF by
       PZDTTRF.
       A(1:N, JA:JA+N-1) is an N-by-N complex
       tridiagonal diagonally dominant-like distributed
       matrix.

       Routine PZDTTRF MUST be called first.

LAPACK version 1.5                                 12 May 1997                                        PZDTTRS(l)

       SUBROUTINE PZDTTRS( TRANS, N, NRHS, DL, D, DU, JA, DESCA, B, IB, DESCB, AF, LAF, WORK, LWORK, INFO )

           CHARACTER       TRANS

           INTEGER         IB, INFO, JA, LAF, LWORK, N, NRHS

           INTEGER         DESCA( * ), DESCB( * )

           COMPLEX*16      AF( * ), B( * ), D( * ), DL( * ), DU( * ), WORK( * )