.TH "dsyswapr.f" 3 "Wed Oct 15 2014" "Version 3.4.2" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME dsyswapr.f \- .SH SYNOPSIS .br .PP .SS "Functions/Subroutines" .in +1c .ti -1c .RI "subroutine \fBdsyswapr\fP (UPLO, N, A, LDA, I1, I2)" .br .RI "\fI\fBDSYSWAPR\fP applies an elementary permutation on the rows and columns of a symmetric matrix\&. \fP" .in -1c .SH "Function/Subroutine Documentation" .PP .SS "subroutine dsyswapr (characterUPLO, integerN, double precision, dimension( lda, n )A, integerLDA, integerI1, integerI2)" .PP \fBDSYSWAPR\fP applies an elementary permutation on the rows and columns of a symmetric matrix\&. .PP \fBPurpose: \fP .RS 4 .PP .nf DSYSWAPR applies an elementary permutation on the rows and the columns of a symmetric matrix. .fi .PP .RE .PP \fBParameters:\fP .RS 4 \fIUPLO\fP .PP .nf 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. .fi .PP .br \fIN\fP .PP .nf N is INTEGER The order of the matrix A. N >= 0. .fi .PP .br \fIA\fP .PP .nf A is DOUBLE PRECISION 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 DSYTRF. 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. .fi .PP .br \fILDA\fP .PP .nf LDA is INTEGER The leading dimension of the array A. LDA >= max(1,N). .fi .PP .br \fII1\fP .PP .nf I1 is INTEGER Index of the first row to swap .fi .PP .br \fII2\fP .PP .nf I2 is INTEGER Index of the second row to swap .fi .PP .RE .PP \fBAuthor:\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBDate:\fP .RS 4 September 2012 .RE .PP .PP Definition at line 103 of file dsyswapr\&.f\&. .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.