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authorjofret2009-04-28 07:17:00 +0000
committerjofret2009-04-28 07:17:00 +0000
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Moving lapack to right place
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- SUBROUTINE ZLASET( UPLO, M, N, ALPHA, BETA, A, LDA )
-*
-* -- LAPACK auxiliary routine (version 3.1) --
-* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd..
-* November 2006
-*
-* .. Scalar Arguments ..
- CHARACTER UPLO
- INTEGER LDA, M, N
- COMPLEX*16 ALPHA, BETA
-* ..
-* .. Array Arguments ..
- 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).
-*
-* =====================================================================
-*
-* .. Local Scalars ..
- INTEGER I, J
-* ..
-* .. External Functions ..
- LOGICAL LSAME
- EXTERNAL LSAME
-* ..
-* .. Intrinsic Functions ..
- INTRINSIC MIN
-* ..
-* .. Executable Statements ..
-*
- IF( LSAME( UPLO, 'U' ) ) THEN
-*
-* Set the diagonal to BETA and the strictly upper triangular
-* part of the array to ALPHA.
-*
- DO 20 J = 2, N
- DO 10 I = 1, MIN( J-1, M )
- A( I, J ) = ALPHA
- 10 CONTINUE
- 20 CONTINUE
- DO 30 I = 1, MIN( N, M )
- A( I, I ) = BETA
- 30 CONTINUE
-*
- ELSE IF( LSAME( UPLO, 'L' ) ) THEN
-*
-* Set the diagonal to BETA and the strictly lower triangular
-* part of the array to ALPHA.
-*
- DO 50 J = 1, MIN( M, N )
- DO 40 I = J + 1, M
- A( I, J ) = ALPHA
- 40 CONTINUE
- 50 CONTINUE
- DO 60 I = 1, MIN( N, M )
- A( I, I ) = BETA
- 60 CONTINUE
-*
- ELSE
-*
-* Set the array to BETA on the diagonal and ALPHA on the
-* offdiagonal.
-*
- DO 80 J = 1, N
- DO 70 I = 1, M
- A( I, J ) = ALPHA
- 70 CONTINUE
- 80 CONTINUE
- DO 90 I = 1, MIN( M, N )
- A( I, I ) = BETA
- 90 CONTINUE
- END IF
-*
- RETURN
-*
-* End of ZLASET
-*
- END