CLASET man page on IRIX

CLASET man page on IRIX

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CLASET(3F)							    CLASET(3F)

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

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

	 CHARACTER	UPLO

	 INTEGER	LDA, M, N

	 COMPLEX	ALPHA, BETA

	 COMPLEX	A( LDA, * )

PURPOSE
     CLASET 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
	     All the offdiagonal array elements are set to ALPHA.

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

     A	     (input/output) COMPLEX 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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