NAME

       csytrs_rook.f -

SYNOPSIS

   Functions/Subroutines
       subroutine csytrs_rook (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, INFO)
           CSYTRS_ROOK

Function/Subroutine Documentation

   subroutine csytrs_rook (characterUPLO, integerN, integerNRHS, complex, dimension( lda, * )A,
       integerLDA, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB,
       integerINFO)
       CSYTRS_ROOK

       Purpose:

            CSYTRS_ROOK solves a system of linear equations A*X = B with
            a complex symmetric matrix A using the factorization A = U*D*U**T or
            A = L*D*L**T computed by CSYTRF_ROOK.

       Parameters:
           UPLO

                     UPLO is CHARACTER*1
                     Specifies whether the details of the factorization are stored
                     as an upper or lower triangular matrix.
                     = 'U':  Upper triangular, form is A = U*D*U**T;
                     = 'L':  Lower triangular, form is A = L*D*L**T.

           N

                     N is INTEGER
                     The order of the matrix A.  N >= 0.

           NRHS

                     NRHS is INTEGER
                     The number of right hand sides, i.e., the number of columns
                     of the matrix B.  NRHS >= 0.

           A

                     A is COMPLEX array, dimension (LDA,N)
                     The block diagonal matrix D and the multipliers used to
                     obtain the factor U or L as computed by CSYTRF_ROOK.

           LDA

                     LDA is INTEGER
                     The leading dimension of the array A.  LDA >= max(1,N).

           IPIV

                     IPIV is INTEGER array, dimension (N)
                     Details of the interchanges and the block structure of D
                     as determined by CSYTRF_ROOK.

           B

                     B is COMPLEX array, dimension (LDB,NRHS)
                     On entry, the right hand side matrix B.
                     On exit, the solution matrix X.

           LDB

                     LDB is INTEGER
                     The leading dimension of the array B.  LDB >= max(1,N).

           INFO

                     INFO is INTEGER
                     = 0:  successful exit
                     < 0:  if INFO = -i, the i-th argument had an illegal value

       Author:
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Date:
           November 2011

       Contributors:

              November 2011, Igor Kozachenko,
                             Computer Science Division,
                             University of California, Berkeley

             September 2007, Sven Hammarling, Nicholas J. Higham, Craig Lucas,
                             School of Mathematics,
                             University of Manchester

       Definition at line 136 of file csytrs_rook.f.

Author

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