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RedHat 9 (Linux i386) - man page for zlaswp (redhat section l)

ZLASWP(l)					)					ZLASWP(l)

NAME
       ZLASWP - perform a series of row interchanges on the matrix A

SYNOPSIS
       SUBROUTINE ZLASWP( N, A, LDA, K1, K2, IPIV, INCX )

	   INTEGER	  INCX, K1, K2, LDA, N

	   INTEGER	  IPIV( * )

	   COMPLEX*16	  A( LDA, * )

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

ARGUMENTS
       N       (input) INTEGER
	       The number of columns of the matrix A.

       A       (input/output) 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     (input) INTEGER
	       The leading dimension of the array A.

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

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

       IPIV    (input) INTEGER array, dimension (M*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    (input) INTEGER
	       The increment between successive values of IPIV.  If IPIV is negative, the  pivots
	       are applied in reverse order.

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

LAPACK version 3.0			   15 June 2000 				ZLASWP(l)


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