claswp man page on Scientific

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```CLASWP(1)	    LAPACK auxiliary routine (version 3.2)	     CLASWP(1)

NAME
CLASWP - performs a series of row interchanges on the matrix A

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

INTEGER	  INCX, K1, K2, LDA, N

INTEGER	  IPIV( * )

COMPLEX	  A( LDA, * )

PURPOSE
CLASWP  performs a series of row interchanges on the matrix A.  One row
interchange is initiated 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 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 (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    (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 auxiliary routine (versioNovember 2008			     CLASWP(1)
```
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