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Diff for /rpl/lapack/lapack/zlatbs.f between versions 1.9 and 1.21

version 1.9, 2011/11/21 20:43:18 version 1.21, 2023/08/07 08:39:32
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 *> \brief \b ZLATBS  *> \brief \b ZLATBS solves a triangular banded system of equations.
 *  *
 *  =========== 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 ZLATBS + dependencies   *> Download ZLATBS + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zlatbs.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zlatbs.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zlatbs.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zlatbs.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zlatbs.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zlatbs.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
 *  *
 *       SUBROUTINE ZLATBS( UPLO, TRANS, DIAG, NORMIN, N, KD, AB, LDAB, X,  *       SUBROUTINE ZLATBS( UPLO, TRANS, DIAG, NORMIN, N, KD, AB, LDAB, X,
 *                          SCALE, CNORM, INFO )  *                          SCALE, CNORM, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       CHARACTER          DIAG, NORMIN, TRANS, UPLO  *       CHARACTER          DIAG, NORMIN, TRANS, UPLO
 *       INTEGER            INFO, KD, LDAB, N  *       INTEGER            INFO, KD, LDAB, N
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 *       DOUBLE PRECISION   CNORM( * )  *       DOUBLE PRECISION   CNORM( * )
 *       COMPLEX*16         AB( LDAB, * ), X( * )  *       COMPLEX*16         AB( LDAB, * ), X( * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
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 *>  *>
 *> \param[in,out] CNORM  *> \param[in,out] CNORM
 *> \verbatim  *> \verbatim
 *>          CNORM is or output) DOUBLE PRECISION array, dimension (N)  *>          CNORM is DOUBLE PRECISION array, dimension (N)
 *>  *>
 *>          If NORMIN = 'Y', CNORM is an input argument and CNORM(j)  *>          If NORMIN = 'Y', CNORM is an input argument and CNORM(j)
 *>          contains the norm of the off-diagonal part of the j-th column  *>          contains the norm of the off-diagonal part of the j-th column
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 *  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 complex16OTHERauxiliary  *> \ingroup complex16OTHERauxiliary
 *  *
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       SUBROUTINE ZLATBS( UPLO, TRANS, DIAG, NORMIN, N, KD, AB, LDAB, X,        SUBROUTINE ZLATBS( UPLO, TRANS, DIAG, NORMIN, N, KD, AB, LDAB, X,
      $                   SCALE, CNORM, INFO )       $                   SCALE, CNORM, INFO )
 *  *
 *  -- LAPACK auxiliary routine (version 3.4.0) --  *  -- LAPACK auxiliary 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 ..
       CHARACTER          DIAG, NORMIN, TRANS, UPLO        CHARACTER          DIAG, NORMIN, TRANS, UPLO
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 *  *
 *     Quick return if possible  *     Quick return if possible
 *  *
         SCALE = ONE
       IF( N.EQ.0 )        IF( N.EQ.0 )
      $   RETURN       $   RETURN
 *  *
 *     Determine machine dependent parameters to control overflow.  *     Determine machine dependent parameters to control overflow.
 *  *
       SMLNUM = DLAMCH( 'Safe minimum' )        SMLNUM = DLAMCH( 'Safe minimum' ) / DLAMCH( 'Precision' )
       BIGNUM = ONE / SMLNUM  
       CALL DLABAD( SMLNUM, BIGNUM )  
       SMLNUM = SMLNUM / DLAMCH( 'Precision' )  
       BIGNUM = ONE / SMLNUM        BIGNUM = ONE / SMLNUM
       SCALE = ONE  
 *  *
       IF( LSAME( NORMIN, 'N' ) ) THEN        IF( LSAME( NORMIN, 'N' ) ) THEN
 *  *
Removed from v.1.9  
changed lines
  Added in v.1.21

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