version 1.16, 2020/05/21 21:46:05
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version 1.17, 2023/08/07 08:39:24
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*> If FACT = 'F', then AF is an input argument and on entry |
*> If FACT = 'F', then AF is an input argument and on entry |
*> contains the block diagonal matrix D and the multipliers |
*> contains the block diagonal matrix D and the multipliers |
*> used to obtain the factor U or L from the factorization A = |
*> used to obtain the factor U or L from the factorization A = |
*> U*D*U**T or A = L*D*L**T as computed by DSYTRF. |
*> U*D*U**H or A = L*D*L**H as computed by ZHETRF. |
*> |
*> |
*> If FACT = 'N', then AF is an output argument and on exit |
*> If FACT = 'N', then AF is an output argument and on exit |
*> returns the block diagonal matrix D and the multipliers |
*> returns the block diagonal matrix D and the multipliers |
*> used to obtain the factor U or L from the factorization A = |
*> used to obtain the factor U or L from the factorization A = |
*> U*D*U**T or A = L*D*L**T. |
*> U*D*U**H or A = L*D*L**H. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] LDAF |
*> \param[in] LDAF |
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date April 2012 |
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* |
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*> \ingroup complex16HEsolve |
*> \ingroup complex16HEsolve |
* |
* |
* ===================================================================== |
* ===================================================================== |
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$ N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, |
$ N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, |
$ NPARAMS, PARAMS, WORK, RWORK, INFO ) |
$ NPARAMS, PARAMS, WORK, RWORK, INFO ) |
* |
* |
* -- LAPACK driver routine (version 3.7.0) -- |
* -- LAPACK driver routine -- |
* -- 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..-- |
* April 2012 |
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* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER EQUED, FACT, UPLO |
CHARACTER EQUED, FACT, UPLO |
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* |
* |
IF( NOFACT .OR. EQUIL ) THEN |
IF( NOFACT .OR. EQUIL ) THEN |
* |
* |
* Compute the LDL^T or UDU^T factorization of A. |
* Compute the LDL^H or UDU^H factorization of A. |
* |
* |
CALL ZLACPY( UPLO, N, N, A, LDA, AF, LDAF ) |
CALL ZLACPY( UPLO, N, N, A, LDA, AF, LDAF ) |
CALL ZHETRF( UPLO, N, AF, LDAF, IPIV, WORK, 5*MAX(1,N), INFO ) |
CALL ZHETRF( UPLO, N, AF, LDAF, IPIV, WORK, 5*MAX(1,N), INFO ) |