

SUBROUTINE PCDTTRS(  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 AF( * ), B( * ), D( * ), DL( * ), DU( * ), WORK( * )  
PCDTTRS solves a system of linear equations A(1:N, JA:JA+N1) * X = B(IB:IB+N1, 1:NRHS) or
A(1:N, JA:JA+N1)’ * X = B(IB:IB+N1, 1:NRHS)where A(1:N, JA:JA+N1) is the matrix used to produce the factors stored in A(1:N,JA:JA+N1) and AF by PCDTTRF.
A(1:N, JA:JA+N1) is an NbyN complex
tridiagonal diagonally dominantlike distributed
matrix.Routine PCDTTRF MUST be called first.
ScaLAPACK version 1.7  PCDTTRS (l)  13 August 2001 
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