version 1.15, 2018/05/29 07:18:37
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version 1.17, 2023/08/07 08:39:38
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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**T or A = L*D*L**T as computed by ZSYTRF. |
*> |
*> |
*> 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 |
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*> IPIV is INTEGER array, dimension (N) |
*> IPIV is INTEGER array, dimension (N) |
*> If FACT = 'F', then IPIV is an input argument and on entry |
*> If FACT = 'F', then IPIV is an input argument and on entry |
*> contains details of the interchanges and the block |
*> contains details of the interchanges and the block |
*> structure of D, as determined by DSYTRF. If IPIV(k) > 0, |
*> structure of D, as determined by ZSYTRF. If IPIV(k) > 0, |
*> then rows and columns k and IPIV(k) were interchanged and |
*> then rows and columns k and IPIV(k) were interchanged and |
*> D(k,k) is a 1-by-1 diagonal block. If UPLO = 'U' and |
*> D(k,k) is a 1-by-1 diagonal block. If UPLO = 'U' and |
*> IPIV(k) = IPIV(k-1) < 0, then rows and columns k-1 and |
*> IPIV(k) = IPIV(k-1) < 0, then rows and columns k-1 and |
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*> |
*> |
*> If FACT = 'N', then IPIV is an output argument and on exit |
*> If FACT = 'N', then IPIV is an output argument and on exit |
*> contains details of the interchanges and the block |
*> contains details of the interchanges and the block |
*> structure of D, as determined by DSYTRF. |
*> structure of D, as determined by ZSYTRF. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in,out] EQUED |
*> \param[in,out] EQUED |
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*> information as described below. There currently are up to three |
*> information as described below. There currently are up to three |
*> pieces of information returned for each right-hand side. If |
*> pieces of information returned for each right-hand side. If |
*> componentwise accuracy is not requested (PARAMS(3) = 0.0), then |
*> componentwise accuracy is not requested (PARAMS(3) = 0.0), then |
*> ERR_BNDS_COMP is not accessed. If N_ERR_BNDS .LT. 3, then at most |
*> ERR_BNDS_COMP is not accessed. If N_ERR_BNDS < 3, then at most |
*> the first (:,N_ERR_BNDS) entries are returned. |
*> the first (:,N_ERR_BNDS) entries are returned. |
*> |
*> |
*> The first index in ERR_BNDS_COMP(i,:) corresponds to the ith |
*> The first index in ERR_BNDS_COMP(i,:) corresponds to the ith |
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*> \param[in] NPARAMS |
*> \param[in] NPARAMS |
*> \verbatim |
*> \verbatim |
*> NPARAMS is INTEGER |
*> NPARAMS is INTEGER |
*> Specifies the number of parameters set in PARAMS. If .LE. 0, the |
*> Specifies the number of parameters set in PARAMS. If <= 0, the |
*> PARAMS array is never referenced and default values are used. |
*> PARAMS array is never referenced and default values are used. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in,out] PARAMS |
*> \param[in,out] PARAMS |
*> \verbatim |
*> \verbatim |
*> PARAMS is DOUBLE PRECISION array, dimension NPARAMS |
*> PARAMS is DOUBLE PRECISION array, dimension NPARAMS |
*> Specifies algorithm parameters. If an entry is .LT. 0.0, then |
*> Specifies algorithm parameters. If an entry is < 0.0, then |
*> that entry will be filled with default value used for that |
*> that entry will be filled with default value used for that |
*> parameter. Only positions up to NPARAMS are accessed; defaults |
*> parameter. Only positions up to NPARAMS are accessed; defaults |
*> are used for higher-numbered parameters. |
*> are used for higher-numbered parameters. |
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*> PARAMS(LA_LINRX_ITREF_I = 1) : Whether to perform iterative |
*> PARAMS(LA_LINRX_ITREF_I = 1) : Whether to perform iterative |
*> refinement or not. |
*> refinement or not. |
*> Default: 1.0D+0 |
*> Default: 1.0D+0 |
*> = 0.0 : No refinement is performed, and no error bounds are |
*> = 0.0: No refinement is performed, and no error bounds are |
*> computed. |
*> computed. |
*> = 1.0 : Use the extra-precise refinement algorithm. |
*> = 1.0: Use the extra-precise refinement algorithm. |
*> (other values are reserved for future use) |
*> (other values are reserved for future use) |
*> |
*> |
*> PARAMS(LA_LINRX_ITHRESH_I = 2) : Maximum number of residual |
*> PARAMS(LA_LINRX_ITHRESH_I = 2) : Maximum number of residual |
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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 complex16SYsolve |
*> \ingroup complex16SYsolve |
* |
* |
* ===================================================================== |
* ===================================================================== |
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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 |