CLASET(3F) CLASET(3F)
CLASET - initialize a 2-D array A to BETA on the diagonal and ALPHA on
the offdiagonals
SUBROUTINE CLASET( UPLO, M, N, ALPHA, BETA, A, LDA )
CHARACTER UPLO
INTEGER LDA, M, N
COMPLEX ALPHA, BETA
COMPLEX A( LDA, * )
CLASET initializes a 2-D array A to BETA on the diagonal and ALPHA on the
offdiagonals.
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).
CLASET(3F) CLASET(3F)
CLASET - initialize a 2-D array A to BETA on the diagonal and ALPHA on
the offdiagonals
SUBROUTINE CLASET( UPLO, M, N, ALPHA, BETA, A, LDA )
CHARACTER UPLO
INTEGER LDA, M, N
COMPLEX ALPHA, BETA
COMPLEX A( LDA, * )
CLASET initializes a 2-D array A to BETA on the diagonal and ALPHA on the
offdiagonals.
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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