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

Diff for /rpl/lapack/lapack/zcgesv.f between versions 1.11 and 1.22

version 1.11, 2011/11/21 22:19:44 version 1.22, 2023/08/07 08:39:15
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 ZCGESV + dependencies   *> Download ZCGESV + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zcgesv.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zcgesv.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zcgesv.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zcgesv.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zcgesv.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zcgesv.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
 *  *
 *       SUBROUTINE ZCGESV( N, NRHS, A, LDA, IPIV, B, LDB, X, LDX, WORK,  *       SUBROUTINE ZCGESV( N, NRHS, A, LDA, IPIV, B, LDB, X, LDX, WORK,
 *                          SWORK, RWORK, ITER, INFO )  *                          SWORK, RWORK, ITER, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       INTEGER            INFO, ITER, LDA, LDB, LDX, N, NRHS  *       INTEGER            INFO, ITER, LDA, LDB, LDX, N, NRHS
 *       ..  *       ..
Line 31 Line 31
 *       COMPLEX*16         A( LDA, * ), B( LDB, * ), WORK( N, * ),  *       COMPLEX*16         A( LDA, * ), B( LDB, * ), WORK( N, * ),
 *      $                   X( LDX, * )  *      $                   X( LDX, * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
Line 93 Line 93
 *>          dimension (LDA,N)  *>          dimension (LDA,N)
 *>          On entry, the N-by-N coefficient matrix A.  *>          On entry, the N-by-N coefficient matrix A.
 *>          On exit, if iterative refinement has been successfully used  *>          On exit, if iterative refinement has been successfully used
 *>          (INFO.EQ.0 and ITER.GE.0, see description below), then A is  *>          (INFO = 0 and ITER >= 0, see description below), then A is
 *>          unchanged, if double precision factorization has been used  *>          unchanged, if double precision factorization has been used
 *>          (INFO.EQ.0 and ITER.LT.0, see description below), then the  *>          (INFO = 0 and ITER < 0, see description below), then the
 *>          array A contains the factors L and U from the factorization  *>          array A contains the factors L and U from the factorization
 *>          A = P*L*U; the unit diagonal elements of L are not stored.  *>          A = P*L*U; the unit diagonal elements of L are not stored.
 *> \endverbatim  *> \endverbatim
Line 112 Line 112
 *>          The pivot indices that define the permutation matrix P;  *>          The pivot indices that define the permutation matrix P;
 *>          row i of the matrix was interchanged with row IPIV(i).  *>          row i of the matrix was interchanged with row IPIV(i).
 *>          Corresponds either to the single precision factorization  *>          Corresponds either to the single precision factorization
 *>          (if INFO.EQ.0 and ITER.GE.0) or the double precision  *>          (if INFO = 0 and ITER >= 0) or the double precision
 *>          factorization (if INFO.EQ.0 and ITER.LT.0).  *>          factorization (if INFO = 0 and ITER < 0).
 *> \endverbatim  *> \endverbatim
 *>  *>
 *> \param[in] B  *> \param[in] B
Line 142 Line 142
 *>  *>
 *> \param[out] WORK  *> \param[out] WORK
 *> \verbatim  *> \verbatim
 *>          WORK is COMPLEX*16 array, dimension (N*NRHS)  *>          WORK is COMPLEX*16 array, dimension (N,NRHS)
 *>          This array is used to hold the residual vectors.  *>          This array is used to hold the residual vectors.
 *> \endverbatim  *> \endverbatim
 *>  *>
Line 170 Line 170
 *>               -3 : failure of CGETRF  *>               -3 : failure of CGETRF
 *>               -31: stop the iterative refinement after the 30th  *>               -31: stop the iterative refinement after the 30th
 *>                    iterations  *>                    iterations
 *>          > 0: iterative refinement has been sucessfully used.  *>          > 0: iterative refinement has been successfully used.
 *>               Returns the number of iterations  *>               Returns the number of iterations
 *> \endverbatim  *> \endverbatim
 *>  *>
Line 188 Line 188
 *  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 November 2011  
 *  *
 *> \ingroup complex16GEsolve  *> \ingroup complex16GEsolve
 *  *
Line 201 Line 199
       SUBROUTINE ZCGESV( N, NRHS, A, LDA, IPIV, B, LDB, X, LDX, WORK,        SUBROUTINE ZCGESV( N, NRHS, A, LDA, IPIV, B, LDB, X, LDX, WORK,
      $                   SWORK, RWORK, ITER, INFO )       $                   SWORK, RWORK, ITER, INFO )
 *  *
 *  -- LAPACK driver routine (version 3.4.0) --  *  -- 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..--
 *     November 2011  
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       INTEGER            INFO, ITER, LDA, LDB, LDX, N, NRHS        INTEGER            INFO, ITER, LDA, LDB, LDX, N, NRHS
Line 240 Line 237
 *  *
 *     .. External Subroutines ..  *     .. External Subroutines ..
       EXTERNAL           CGETRS, CGETRF, CLAG2Z, XERBLA, ZAXPY, ZGEMM,        EXTERNAL           CGETRS, CGETRF, CLAG2Z, XERBLA, ZAXPY, ZGEMM,
      $                   ZLACPY, ZLAG2C       $                   ZLACPY, ZLAG2C, ZGETRF, ZGETRS
 *     ..  *     ..
 *     .. External Functions ..  *     .. External Functions ..
       INTEGER            IZAMAX        INTEGER            IZAMAX
Line 421 Line 418
    30 CONTINUE     30 CONTINUE
 *  *
 *     If we are at this place of the code, this is because we have  *     If we are at this place of the code, this is because we have
 *     performed ITER=ITERMAX iterations and never satisified the stopping  *     performed ITER=ITERMAX iterations and never satisfied the stopping
 *     criterion, set up the ITER flag accordingly and follow up on double  *     criterion, set up the ITER flag accordingly and follow up on double
 *     precision routine.  *     precision routine.
 *  *
Line 443 Line 440
 *  *
       RETURN        RETURN
 *  *
 *     End of ZCGESV.  *     End of ZCGESV
 *  *
       END        END
Removed from v.1.11  
changed lines
  Added in v.1.22

CVSweb interface <joel.bertrand@systella.fr>