

SUBROUTINE PDPTTRSV(  UPLO, N, NRHS, D, E, JA, DESCA, B, IB, DESCB, AF, LAF, WORK, LWORK, INFO ) 
CHARACTER UPLO  
INTEGER IB, INFO, JA, LAF, LWORK, N, NRHS  
INTEGER DESCA( * ), DESCB( * )  
DOUBLE PRECISION AF( * ), B( * ), D( * ), E( * ), WORK( * )  
PDPTTRSV solves a tridiagonal triangular system of linear equations A(1:N, JA:JA+N1) * X = B(IB:IB+N1, 1:NRHS) or
A(1:N, JA:JA+N1)^T * X = B(IB:IB+N1, 1:NRHS)where A(1:N, JA:JA+N1) is a tridiagonal
triangular matrix factor produced by the
Cholesky factorization code PDPTTRF
and is stored in A(1:N,JA:JA+N1) and AF.
The matrix stored in A(1:N, JA:JA+N1) is either
upper or lower triangular according to UPLO,
and the choice of solving A(1:N, JA:JA+N1) or A(1:N, JA:JA+N1)^T is dictated by the user by the parameter TRANS.Routine PDPTTRF MUST be called first.
ScaLAPACK version 1.7  PDPTTRSV (l)  13 August 2001 
Visit the GSP FreeBSD Man Page Interface.
Output converted with manServer 1.07.