ZLASET man page on IRIX

ZLASET man page on IRIX

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ZLASET(3F)							    ZLASET(3F)

NAME
     ZLASET - initialize a 2-D array A to BETA on the diagonal and ALPHA on
     the offdiagonals

SYNOPSIS
     SUBROUTINE ZLASET( UPLO, M, N, ALPHA, BETA, A, LDA )

	 CHARACTER	UPLO

	 INTEGER	LDA, M, N

	 COMPLEX*16	ALPHA, BETA

	 COMPLEX*16	A( LDA, * )

PURPOSE
     ZLASET initializes a 2-D array A to BETA on the diagonal and ALPHA on the
     offdiagonals.

ARGUMENTS
     UPLO    (input) 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.

     M	     (input) INTEGER
	     On entry, M specifies the number of rows of A.

     N	     (input) INTEGER
	     On entry, N specifies the number of columns of A.

     ALPHA   (input) COMPLEX*16
	     All the offdiagonal array elements are set to ALPHA.

     BETA    (input) COMPLEX*16
	     All the diagonal array elements are set to BETA.

     A	     (input/output) 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)

     LDA     (input) INTEGER
	     The leading dimension of the array A.  LDA >= max(1,M).

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