[BACK]Return to zposvxx.f CVS log [TXT] [DIR] Up to [local] / rpl / lapack / lapack

Diff for /rpl/lapack/lapack/zposvxx.f between versions 1.8 and 1.16

version 1.8, 2012/08/22 09:48:38 version 1.16, 2023/08/07 08:39:34
Line 2 Line 2
 *  *
 *  =========== DOCUMENTATION ===========  *  =========== DOCUMENTATION ===========
 *  *
 * Online html documentation available at   * Online html documentation available at
 *            http://www.netlib.org/lapack/explore-html/   *            http://www.netlib.org/lapack/explore-html/
 *  *
 *> \htmlonly  *> \htmlonly
 *> Download ZPOSVXX + dependencies   *> Download ZPOSVXX + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zposvxx.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zposvxx.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zposvxx.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zposvxx.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zposvxx.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zposvxx.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
Line 22 Line 22
 *                           S, B, LDB, X, LDX, RCOND, RPVGRW, BERR,  *                           S, B, LDB, X, LDX, RCOND, RPVGRW, BERR,
 *                           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 )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       CHARACTER          EQUED, FACT, UPLO  *       CHARACTER          EQUED, FACT, UPLO
 *       INTEGER            INFO, LDA, LDAF, LDB, LDX, N, NRHS, NPARAMS,  *       INTEGER            INFO, LDA, LDAF, LDB, LDX, N, NRHS, NPARAMS,
Line 36 Line 36
 *      $                   ERR_BNDS_NORM( NRHS, * ),  *      $                   ERR_BNDS_NORM( NRHS, * ),
 *      $                   ERR_BNDS_COMP( NRHS, * )  *      $                   ERR_BNDS_COMP( NRHS, * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
Line 45 Line 45
 *>  *>
 *>    ZPOSVXX uses the Cholesky factorization A = U**T*U or A = L*L**T  *>    ZPOSVXX uses the Cholesky factorization A = U**T*U or A = L*L**T
 *>    to compute the solution to a complex*16 system of linear equations  *>    to compute the solution to a complex*16 system of linear equations
 *>    A * X = B, where A is an N-by-N symmetric positive definite matrix  *>    A * X = B, where A is an N-by-N Hermitian positive definite matrix
 *>    and X and B are N-by-NRHS matrices.  *>    and X and B are N-by-NRHS matrices.
 *>  *>
 *>    If requested, both normwise and maximum componentwise error bounds  *>    If requested, both normwise and maximum componentwise error bounds
Line 157 Line 157
 *> \param[in,out] A  *> \param[in,out] A
 *> \verbatim  *> \verbatim
 *>          A is COMPLEX*16 array, dimension (LDA,N)  *>          A is COMPLEX*16 array, dimension (LDA,N)
 *>     On entry, the symmetric matrix A, except if FACT = 'F' and EQUED =  *>     On entry, the Hermitian matrix A, except if FACT = 'F' and EQUED =
 *>     'Y', then A must contain the equilibrated matrix  *>     'Y', then A must contain the equilibrated matrix
 *>     diag(S)*A*diag(S).  If UPLO = 'U', the leading N-by-N upper  *>     diag(S)*A*diag(S).  If UPLO = 'U', the leading N-by-N upper
 *>     triangular part of A contains the upper triangular part of the  *>     triangular part of A contains the upper triangular part of the
Line 365 Line 365
 *>     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
Line 401 Line 401
 *> \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.
Line 416 Line 416
 *>       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
Line 478 Line 478
 *  Authors:  *  Authors:
 *  ========  *  ========
 *  *
 *> \author Univ. of Tennessee   *> \author Univ. of Tennessee
 *> \author Univ. of California Berkeley   *> \author Univ. of California Berkeley
 *> \author Univ. of Colorado Denver   *> \author Univ. of Colorado Denver
 *> \author NAG Ltd.   *> \author NAG Ltd.
 *  
 *> \date April 2012  
 *  *
 *> \ingroup complex16POsolve  *> \ingroup complex16POsolve
 *  *
Line 493 Line 491
      $                    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 3.4.1) --  *  -- 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  
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       CHARACTER          EQUED, FACT, UPLO        CHARACTER          EQUED, FACT, UPLO
Line 537 Line 534
       DOUBLE PRECISION   DLAMCH, ZLA_PORPVGRW        DOUBLE PRECISION   DLAMCH, ZLA_PORPVGRW
 *     ..  *     ..
 *     .. External Subroutines ..  *     .. External Subroutines ..
       EXTERNAL           ZPOCON, ZPOEQUB, ZPOTRF, ZPOTRS, ZLACPY,        EXTERNAL           ZPOEQUB, ZPOTRF, ZPOTRS, ZLACPY,
      $                   ZLAQHE, XERBLA, ZLASCL2, ZPORFSX       $                   ZLAQHE, XERBLA, ZLASCL2, ZPORFSX
 *     ..  *     ..
 *     .. Intrinsic Functions ..  *     .. Intrinsic Functions ..
Removed from v.1.8  
changed lines
  Added in v.1.16

CVSweb interface <joel.bertrand@systella.fr>