version 1.4, 2011/11/21 20:43:21
|
version 1.9, 2015/11/26 11:44:26
|
Line 18
|
Line 18
|
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE ZSYCONV( UPLO, WAY, N, A, LDA, IPIV, WORK, INFO ) |
* SUBROUTINE ZSYCONV( UPLO, WAY, N, A, LDA, IPIV, E, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER UPLO, WAY |
* CHARACTER UPLO, WAY |
Line 26
|
Line 26
|
* .. |
* .. |
* .. Array Arguments .. |
* .. Array Arguments .. |
* INTEGER IPIV( * ) |
* INTEGER IPIV( * ) |
* COMPLEX*16 A( LDA, * ), WORK( * ) |
* COMPLEX*16 A( LDA, * ), E( * ) |
* .. |
* .. |
* |
* |
* |
* |
Line 65
|
Line 65
|
*> The order of the matrix A. N >= 0. |
*> The order of the matrix A. N >= 0. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] A |
*> \param[in,out] A |
*> \verbatim |
*> \verbatim |
*> A is COMPLEX*16 array, dimension (LDA,N) |
*> A is COMPLEX*16 array, dimension (LDA,N) |
*> The block diagonal matrix D and the multipliers used to |
*> The block diagonal matrix D and the multipliers used to |
Line 85
|
Line 85
|
*> as determined by ZSYTRF. |
*> as determined by ZSYTRF. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[out] WORK |
*> \param[out] E |
*> \verbatim |
*> \verbatim |
*> WORK is COMPLEX*16 array, dimension (N) |
*> E is COMPLEX*16 array, dimension (N) |
|
*> E stores the supdiagonal/subdiagonal of the symmetric 1-by-1 |
|
*> or 2-by-2 block diagonal matrix D in LDLT. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[out] INFO |
*> \param[out] INFO |
Line 105
|
Line 107
|
*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date November 2011 |
*> \date November 2015 |
* |
* |
*> \ingroup complex16SYcomputational |
*> \ingroup complex16SYcomputational |
* |
* |
* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZSYCONV( UPLO, WAY, N, A, LDA, IPIV, WORK, INFO ) |
SUBROUTINE ZSYCONV( UPLO, WAY, N, A, LDA, IPIV, E, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.4.0) -- |
* -- LAPACK computational routine (version 3.6.0) -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* November 2011 |
* November 2015 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER UPLO, WAY |
CHARACTER UPLO, WAY |
Line 123
|
Line 125
|
* .. |
* .. |
* .. Array Arguments .. |
* .. Array Arguments .. |
INTEGER IPIV( * ) |
INTEGER IPIV( * ) |
COMPLEX*16 A( LDA, * ), WORK( * ) |
COMPLEX*16 A( LDA, * ), E( * ) |
* .. |
* .. |
* |
* |
* ===================================================================== |
* ===================================================================== |
Line 179
|
Line 181
|
* Convert VALUE |
* Convert VALUE |
* |
* |
I=N |
I=N |
WORK(1)=ZERO |
E(1)=ZERO |
DO WHILE ( I .GT. 1 ) |
DO WHILE ( I .GT. 1 ) |
IF( IPIV(I) .LT. 0 ) THEN |
IF( IPIV(I) .LT. 0 ) THEN |
WORK(I)=A(I-1,I) |
E(I)=A(I-1,I) |
|
E(I-1)=ZERO |
A(I-1,I)=ZERO |
A(I-1,I)=ZERO |
I=I-1 |
I=I-1 |
ELSE |
ELSE |
WORK(I)=ZERO |
E(I)=ZERO |
ENDIF |
ENDIF |
I=I-1 |
I=I-1 |
END DO |
END DO |
Line 254
|
Line 257
|
I=N |
I=N |
DO WHILE ( I .GT. 1 ) |
DO WHILE ( I .GT. 1 ) |
IF( IPIV(I) .LT. 0 ) THEN |
IF( IPIV(I) .LT. 0 ) THEN |
A(I-1,I)=WORK(I) |
A(I-1,I)=E(I) |
I=I-1 |
I=I-1 |
ENDIF |
ENDIF |
I=I-1 |
I=I-1 |
Line 272
|
Line 275
|
* Convert VALUE |
* Convert VALUE |
* |
* |
I=1 |
I=1 |
WORK(N)=ZERO |
E(N)=ZERO |
DO WHILE ( I .LE. N ) |
DO WHILE ( I .LE. N ) |
IF( I.LT.N .AND. IPIV(I) .LT. 0 ) THEN |
IF( I.LT.N .AND. IPIV(I) .LT. 0 ) THEN |
WORK(I)=A(I+1,I) |
E(I)=A(I+1,I) |
|
E(I+1)=ZERO |
A(I+1,I)=ZERO |
A(I+1,I)=ZERO |
I=I+1 |
I=I+1 |
ELSE |
ELSE |
WORK(I)=ZERO |
E(I)=ZERO |
ENDIF |
ENDIF |
I=I+1 |
I=I+1 |
END DO |
END DO |
Line 347
|
Line 351
|
I=1 |
I=1 |
DO WHILE ( I .LE. N-1 ) |
DO WHILE ( I .LE. N-1 ) |
IF( IPIV(I) .LT. 0 ) THEN |
IF( IPIV(I) .LT. 0 ) THEN |
A(I+1,I)=WORK(I) |
A(I+1,I)=E(I) |
I=I+1 |
I=I+1 |
ENDIF |
ENDIF |
I=I+1 |
I=I+1 |