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Diff for /rpl/lapack/lapack/dhsein.f between versions 1.8 and 1.18

version 1.8, 2011/11/21 20:42:53 version 1.18, 2023/08/07 08:38:52
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 *  *
 *  =========== 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 DHSEIN + dependencies   *> Download DHSEIN + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dhsein.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dhsein.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dhsein.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dhsein.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dhsein.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dhsein.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
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 *       SUBROUTINE DHSEIN( SIDE, EIGSRC, INITV, SELECT, N, H, LDH, WR, WI,  *       SUBROUTINE DHSEIN( SIDE, EIGSRC, INITV, SELECT, N, H, LDH, WR, WI,
 *                          VL, LDVL, VR, LDVR, MM, M, WORK, IFAILL,  *                          VL, LDVL, VR, LDVR, MM, M, WORK, IFAILL,
 *                          IFAILR, INFO )  *                          IFAILR, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       CHARACTER          EIGSRC, INITV, SIDE  *       CHARACTER          EIGSRC, INITV, SIDE
 *       INTEGER            INFO, LDH, LDVL, LDVR, M, MM, N  *       INTEGER            INFO, LDH, LDVL, LDVR, M, MM, N
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 *       DOUBLE PRECISION   H( LDH, * ), VL( LDVL, * ), VR( LDVR, * ),  *       DOUBLE PRECISION   H( LDH, * ), VL( LDVL, * ), VR( LDVR, * ),
 *      $                   WI( * ), WORK( * ), WR( * )  *      $                   WI( * ), WORK( * ), WR( * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
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 *> \verbatim  *> \verbatim
 *>          H is DOUBLE PRECISION array, dimension (LDH,N)  *>          H is DOUBLE PRECISION array, dimension (LDH,N)
 *>          The upper Hessenberg matrix H.  *>          The upper Hessenberg matrix H.
   *>          If a NaN is detected in H, the routine will return with INFO=-6.
 *> \endverbatim  *> \endverbatim
 *>  *>
 *> \param[in] LDH  *> \param[in] LDH
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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 doubleOTHERcomputational  *> \ingroup doubleOTHERcomputational
 *  *
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      $                   VL, LDVL, VR, LDVR, MM, M, WORK, IFAILL,       $                   VL, LDVL, VR, LDVR, MM, M, WORK, IFAILL,
      $                   IFAILR, INFO )       $                   IFAILR, INFO )
 *  *
 *  -- LAPACK computational routine (version 3.4.0) --  *  -- LAPACK computational 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          EIGSRC, INITV, SIDE        CHARACTER          EIGSRC, INITV, SIDE
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      $                   WKR       $                   WKR
 *     ..  *     ..
 *     .. External Functions ..  *     .. External Functions ..
       LOGICAL            LSAME        LOGICAL            LSAME, DISNAN
       DOUBLE PRECISION   DLAMCH, DLANHS        DOUBLE PRECISION   DLAMCH, DLANHS
       EXTERNAL           LSAME, DLAMCH, DLANHS        EXTERNAL           LSAME, DLAMCH, DLANHS, DISNAN
 *     ..  *     ..
 *     .. External Subroutines ..  *     .. External Subroutines ..
       EXTERNAL           DLAEIN, XERBLA        EXTERNAL           DLAEIN, XERBLA
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 *              has not ben computed before.  *              has not ben computed before.
 *  *
                HNORM = DLANHS( 'I', KR-KL+1, H( KL, KL ), LDH, WORK )                 HNORM = DLANHS( 'I', KR-KL+1, H( KL, KL ), LDH, WORK )
                IF( HNORM.GT.ZERO ) THEN                 IF( DISNAN( HNORM ) ) THEN
                     INFO = -6
                     RETURN
                  ELSE IF( HNORM.GT.ZERO ) THEN
                   EPS3 = HNORM*ULP                    EPS3 = HNORM*ULP
                ELSE                 ELSE
                   EPS3 = SMLNUM                    EPS3 = SMLNUM
Removed from v.1.8  
changed lines
  Added in v.1.18

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