csyswapr.f (3)  Linux Manuals
NAME
csyswapr.f 
SYNOPSIS
Functions/Subroutines
subroutine csyswapr (UPLO, N, A, LDA, I1, I2)
CSYSWAPR
Function/Subroutine Documentation
subroutine csyswapr (characterUPLO, integerN, complex, dimension( lda, n )A, integerLDA, integerI1, integerI2)
CSYSWAPR
Purpose:

CSYSWAPR 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.
NN is INTEGER The order of the matrix A. N >= 0.
AA is COMPLEX 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 CSYTRF. 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.
LDALDA is INTEGER The leading dimension of the array A. LDA >= max(1,N).
I1I1 is INTEGER Index of the first row to swap
I2I2 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 csyswapr.f.
Author
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