.TH "zlaset.f" 3 "Sun May 26 2013" "Version 3.4.1" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME zlaset.f \- .SH SYNOPSIS .br .PP .SS "Functions/Subroutines" .in +1c .ti -1c .RI "subroutine \fBzlaset\fP (UPLO, M, N, ALPHA, BETA, A, LDA)" .br .RI "\fI\fBZLASET\fP \fP" .in -1c .SH "Function/Subroutine Documentation" .PP .SS "subroutine zlaset (characterUPLO, integerM, integerN, complex*16ALPHA, complex*16BETA, complex*16, dimension( lda, * )A, integerLDA)" .PP \fBZLASET\fP .PP \fBPurpose: \fP .RS 4 .PP .nf ZLASET initializes a 2-D array A to BETA on the diagonal and ALPHA on the offdiagonals. .fi .PP .RE .PP \fBParameters:\fP .RS 4 \fIUPLO\fP .PP .nf UPLO is CHARACTER*1 Specifies the part of the matrix A to be set. = 'U': Upper triangular part is set. The lower triangle is unchanged. = 'L': Lower triangular part is set. The upper triangle is unchanged. Otherwise: All of the matrix A is set. .fi .PP .br \fIM\fP .PP .nf M is INTEGER On entry, M specifies the number of rows of A. .fi .PP .br \fIN\fP .PP .nf N is INTEGER On entry, N specifies the number of columns of A. .fi .PP .br \fIALPHA\fP .PP .nf ALPHA is COMPLEX*16 All the offdiagonal array elements are set to ALPHA. .fi .PP .br \fIBETA\fP .PP .nf BETA is COMPLEX*16 All the diagonal array elements are set to BETA. .fi .PP .br \fIA\fP .PP .nf A is COMPLEX*16 array, dimension (LDA,N) On entry, the m by n matrix A. On exit, A(i,j) = ALPHA, 1 <= i <= m, 1 <= j <= n, i.ne.j; A(i,i) = BETA , 1 <= i <= min(m,n) .fi .PP .br \fILDA\fP .PP .nf LDA is INTEGER The leading dimension of the array A. LDA >= max(1,M). .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 November 2011 .RE .PP .PP Definition at line 107 of file zlaset\&.f\&. .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.