version 1.11, 2012/08/22 09:48:23
|
version 1.15, 2016/08/27 15:34:35
|
Line 100
|
Line 100
|
*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date November 2011 |
*> \date November 2015 |
* |
* |
*> \ingroup doublePOcomputational |
*> \ingroup doublePOcomputational |
* |
* |
* ===================================================================== |
* ===================================================================== |
SUBROUTINE DPOTRF( UPLO, N, A, LDA, INFO ) |
SUBROUTINE DPOTRF( UPLO, N, A, LDA, 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 |
CHARACTER UPLO |
Line 136
|
Line 136
|
EXTERNAL LSAME, ILAENV |
EXTERNAL LSAME, ILAENV |
* .. |
* .. |
* .. External Subroutines .. |
* .. External Subroutines .. |
EXTERNAL DGEMM, DPOTF2, DSYRK, DTRSM, XERBLA |
EXTERNAL DGEMM, DPOTRF2, DSYRK, DTRSM, XERBLA |
* .. |
* .. |
* .. Intrinsic Functions .. |
* .. Intrinsic Functions .. |
INTRINSIC MAX, MIN |
INTRINSIC MAX, MIN |
Line 171
|
Line 171
|
* |
* |
* Use unblocked code. |
* Use unblocked code. |
* |
* |
CALL DPOTF2( UPLO, N, A, LDA, INFO ) |
CALL DPOTRF2( UPLO, N, A, LDA, INFO ) |
ELSE |
ELSE |
* |
* |
* Use blocked code. |
* Use blocked code. |
Line 188
|
Line 188
|
JB = MIN( NB, N-J+1 ) |
JB = MIN( NB, N-J+1 ) |
CALL DSYRK( 'Upper', 'Transpose', JB, J-1, -ONE, |
CALL DSYRK( 'Upper', 'Transpose', JB, J-1, -ONE, |
$ A( 1, J ), LDA, ONE, A( J, J ), LDA ) |
$ A( 1, J ), LDA, ONE, A( J, J ), LDA ) |
CALL DPOTF2( 'Upper', JB, A( J, J ), LDA, INFO ) |
CALL DPOTRF2( 'Upper', JB, A( J, J ), LDA, INFO ) |
IF( INFO.NE.0 ) |
IF( INFO.NE.0 ) |
$ GO TO 30 |
$ GO TO 30 |
IF( J+JB.LE.N ) THEN |
IF( J+JB.LE.N ) THEN |
Line 216
|
Line 216
|
JB = MIN( NB, N-J+1 ) |
JB = MIN( NB, N-J+1 ) |
CALL DSYRK( 'Lower', 'No transpose', JB, J-1, -ONE, |
CALL DSYRK( 'Lower', 'No transpose', JB, J-1, -ONE, |
$ A( J, 1 ), LDA, ONE, A( J, J ), LDA ) |
$ A( J, 1 ), LDA, ONE, A( J, J ), LDA ) |
CALL DPOTF2( 'Lower', JB, A( J, J ), LDA, INFO ) |
CALL DPOTRF2( 'Lower', JB, A( J, J ), LDA, INFO ) |
IF( INFO.NE.0 ) |
IF( INFO.NE.0 ) |
$ GO TO 30 |
$ GO TO 30 |
IF( J+JB.LE.N ) THEN |
IF( J+JB.LE.N ) THEN |