.TH "SRC/zhetrs_aa_2stage.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME SRC/zhetrs_aa_2stage.f .SH SYNOPSIS .br .PP .SS "Functions/Subroutines" .in +1c .ti -1c .RI "subroutine \fBzhetrs_aa_2stage\fP (uplo, n, nrhs, a, lda, tb, ltb, ipiv, ipiv2, b, ldb, info)" .br .RI "\fBZHETRS_AA_2STAGE\fP " .in -1c .SH "Function/Subroutine Documentation" .PP .SS "subroutine zhetrs_aa_2stage (character uplo, integer n, integer nrhs, complex*16, dimension( lda, * ) a, integer lda, complex*16, dimension( * ) tb, integer ltb, integer, dimension( * ) ipiv, integer, dimension( * ) ipiv2, complex*16, dimension( ldb, * ) b, integer ldb, integer info)" .PP \fBZHETRS_AA_2STAGE\fP .PP \fBPurpose:\fP .RS 4 .PP .nf !> !> ZHETRS_AA_2STAGE solves a system of linear equations A*X = B with a !> hermitian matrix A using the factorization A = U**H*T*U or !> A = L*T*L**H computed by ZHETRF_AA_2STAGE\&. !> .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**H*T*U; !> = 'L': Lower triangular, form is A = L*T*L**H\&. !> .fi .PP .br \fIN\fP .PP .nf !> N is INTEGER !> The order of the matrix A\&. N >= 0\&. !> .fi .PP .br \fINRHS\fP .PP .nf !> NRHS is INTEGER !> The number of right hand sides, i\&.e\&., the number of columns !> of the matrix B\&. NRHS >= 0\&. !> .fi .PP .br \fIA\fP .PP .nf !> A is COMPLEX*16 array, dimension (LDA,N) !> Details of factors computed by ZHETRF_AA_2STAGE\&. !> .fi .PP .br \fILDA\fP .PP .nf !> LDA is INTEGER !> The leading dimension of the array A\&. LDA >= max(1,N)\&. !> .fi .PP .br \fITB\fP .PP .nf !> TB is COMPLEX*16 array, dimension (LTB) !> Details of factors computed by ZHETRF_AA_2STAGE\&. !> .fi .PP .br \fILTB\fP .PP .nf !> LTB is INTEGER !> The size of the array TB\&. LTB >= 4*N\&. !> .fi .PP .br \fIIPIV\fP .PP .nf !> IPIV is INTEGER array, dimension (N) !> Details of the interchanges as computed by !> ZHETRF_AA_2STAGE\&. !> .fi .PP .br \fIIPIV2\fP .PP .nf !> IPIV2 is INTEGER array, dimension (N) !> Details of the interchanges as computed by !> ZHETRF_AA_2STAGE\&. !> .fi .PP .br \fIB\fP .PP .nf !> B is COMPLEX*16 array, dimension (LDB,NRHS) !> On entry, the right hand side matrix B\&. !> On exit, the solution matrix X\&. !> .fi .PP .br \fILDB\fP .PP .nf !> LDB is INTEGER !> The leading dimension of the array B\&. LDB >= max(1,N)\&. !> .fi .PP .br \fIINFO\fP .PP .nf !> INFO is INTEGER !> = 0: successful exit !> < 0: if INFO = -i, the i-th argument had an illegal value !> .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 .PP Definition at line \fB139\fP of file \fBzhetrs_aa_2stage\&.f\fP\&. .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.