NAME

       zlaswp.f -

SYNOPSIS

   Functions/Subroutines
       subroutine zlaswp (N, A, LDA, K1, K2, IPIV, INCX)
           ZLASWP performs a series of row interchanges on a general rectangular matrix.

Function/Subroutine Documentation

   subroutine zlaswp (integer N, complex*16, dimension( lda, * ) A, integer LDA, integer K1,
       integer K2, integer, dimension( * ) IPIV, integer INCX)
       ZLASWP performs a series of row interchanges on a general rectangular matrix.

       Purpose:

            ZLASWP performs a series of row interchanges on the matrix A.
            One row interchange is initiated for each of rows K1 through K2 of A.

       Parameters:
           N

                     N is INTEGER
                     The number of columns of the matrix A.

           A

                     A is COMPLEX*16 array, dimension (LDA,N)
                     On entry, the matrix of column dimension N to which the row
                     interchanges will be applied.
                     On exit, the permuted matrix.

           LDA

                     LDA is INTEGER
                     The leading dimension of the array A.

           K1

                     K1 is INTEGER
                     The first element of IPIV for which a row interchange will
                     be done.

           K2

                     K2 is INTEGER
                     The last element of IPIV for which a row interchange will
                     be done.

           IPIV

                     IPIV is INTEGER array, dimension (K2*abs(INCX))
                     The vector of pivot indices.  Only the elements in positions
                     K1 through K2 of IPIV are accessed.
                     IPIV(K) = L implies rows K and L are to be interchanged.

           INCX

                     INCX is INTEGER
                     The increment between successive values of IPIV.  If IPIV
                     is negative, the pivots are applied in reverse order.

       Author:
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Date:
           September 2012

       Further Details:

             Modified by
              R. C. Whaley, Computer Science Dept., Univ. of Tenn., Knoxville, USA

Author

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