NAME

       zsyswapr.f -

SYNOPSIS

   Functions/Subroutines
       subroutine zsyswapr (UPLO, N, A, LDA, I1, I2)
           ZSYSWAPR

Function/Subroutine Documentation

   subroutine zsyswapr (characterUPLO, integerN, complex*16, dimension( lda, n )A, integerLDA,
       integerI1, integerI2)
       ZSYSWAPR

       Purpose:

            ZSYSWAPR applies an elementary permutation on the rows and the columns of
            a symmetric matrix.

       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.

           A

                     A is COMPLEX*16 array, dimension (LDA,N)
                     On entry, the NB diagonal matrix D and the multipliers
                     used to obtain the factor U or L as computed by ZSYTRF.

                     On exit, if INFO = 0, the (symmetric) inverse of the original
                     matrix.  If UPLO = 'U', the upper triangular part of the
                     inverse is formed and the part of A below the diagonal is not
                     referenced; if UPLO = 'L' the lower triangular part of the
                     inverse is formed and the part of A above the diagonal is
                     not referenced.

           LDA

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

           I1

                     I1 is INTEGER
                     Index of the first row to swap

           I2

                     I2 is INTEGER
                     Index of the second row to swap

       Author:
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Date:
           November 2011

       Definition at line 103 of file zsyswapr.f.

Author

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