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Diff for /rpl/lapack/lapack/dgesc2.f between versions 1.13 and 1.21

version 1.13, 2012/12/14 14:22:29 version 1.21, 2023/08/07 08:38:49
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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 DGESC2 + dependencies   *> Download DGESC2 + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgesc2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgesc2.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgesc2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgesc2.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgesc2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgesc2.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
 *  *
 *       SUBROUTINE DGESC2( N, A, LDA, RHS, IPIV, JPIV, SCALE )  *       SUBROUTINE DGESC2( N, A, LDA, RHS, IPIV, JPIV, SCALE )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       INTEGER            LDA, N  *       INTEGER            LDA, N
 *       DOUBLE PRECISION   SCALE  *       DOUBLE PRECISION   SCALE
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 *       INTEGER            IPIV( * ), JPIV( * )  *       INTEGER            IPIV( * ), JPIV( * )
 *       DOUBLE PRECISION   A( LDA, * ), RHS( * )  *       DOUBLE PRECISION   A( LDA, * ), RHS( * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
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 *> \verbatim  *> \verbatim
 *>          SCALE is DOUBLE PRECISION  *>          SCALE is DOUBLE PRECISION
 *>          On exit, SCALE contains the scale factor. SCALE is chosen  *>          On exit, SCALE contains the scale factor. SCALE is chosen
 *>          0 <= SCALE <= 1 to prevent owerflow in the solution.  *>          0 <= SCALE <= 1 to prevent overflow in the solution.
 *> \endverbatim  *> \endverbatim
 *  *
 *  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 September 2012  
 *  *
 *> \ingroup doubleGEauxiliary  *> \ingroup doubleGEauxiliary
 *  *
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 *  =====================================================================  *  =====================================================================
       SUBROUTINE DGESC2( N, A, LDA, RHS, IPIV, JPIV, SCALE )        SUBROUTINE DGESC2( N, A, LDA, RHS, IPIV, JPIV, SCALE )
 *  *
 *  -- LAPACK auxiliary routine (version 3.4.2) --  *  -- 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..--
 *     September 2012  
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       INTEGER            LDA, N        INTEGER            LDA, N
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       DOUBLE PRECISION   BIGNUM, EPS, SMLNUM, TEMP        DOUBLE PRECISION   BIGNUM, EPS, SMLNUM, TEMP
 *     ..  *     ..
 *     .. External Subroutines ..  *     .. External Subroutines ..
       EXTERNAL           DLASWP, DSCAL        EXTERNAL           DLASWP, DSCAL, DLABAD
 *     ..  *     ..
 *     .. External Functions ..  *     .. External Functions ..
       INTEGER            IDAMAX        INTEGER            IDAMAX
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 *     ..  *     ..
 *     .. Executable Statements ..  *     .. Executable Statements ..
 *  *
 *      Set constant to control owerflow  *      Set constant to control overflow
 *  *
       EPS = DLAMCH( 'P' )        EPS = DLAMCH( 'P' )
       SMLNUM = DLAMCH( 'S' ) / EPS        SMLNUM = DLAMCH( 'S' ) / EPS
Removed from v.1.13  
changed lines
  Added in v.1.21

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