SLASWP(l) ) SLASWP(l)
NAME
SLASWP - perform a series of row interchanges on the matrix A
SYNOPSIS
SUBROUTINE SLASWP( N, A, LDA, K1, K2, IPIV, INCX )
INTEGER INCX, K1, K2, LDA, N
INTEGER IPIV( * )
REAL A( LDA, * )
PURPOSE
SLASWP 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) REAL 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 SLASWP(l)
Check Out this Related Man Page
slaswp.f(3) LAPACK slaswp.f(3)NAME
slaswp.f -
SYNOPSIS
Functions/Subroutines
subroutine slaswp (N, A, LDA, K1, K2, IPIV, INCX)
SLASWP
Function/Subroutine Documentation
subroutine slaswp (integerN, real, dimension( lda, * )A, integerLDA, integerK1, integerK2, integer, dimension( * )IPIV, integerINCX)
SLASWP
Purpose:
SLASWP 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 REAL 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:
November 2011
Further Details:
Modified by
R. C. Whaley, Computer Science Dept., Univ. of Tenn., Knoxville, USA
Definition at line 115 of file slaswp.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.1 Sun May 26 2013 slaswp.f(3)
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