Diff for /rpl/lapack/lapack/zlaqge.f between versions 1.7 and 1.8

version 1.7, 2010/12/21 13:53:50 version 1.8, 2011/11/21 20:43:16
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   *> \brief \b ZLAQGE
   *
   *  =========== DOCUMENTATION ===========
   *
   * Online html documentation available at 
   *            http://www.netlib.org/lapack/explore-html/ 
   *
   *> \htmlonly
   *> Download ZLAQGE + dependencies 
   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zlaqge.f"> 
   *> [TGZ]</a> 
   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zlaqge.f"> 
   *> [ZIP]</a> 
   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zlaqge.f"> 
   *> [TXT]</a>
   *> \endhtmlonly 
   *
   *  Definition:
   *  ===========
   *
   *       SUBROUTINE ZLAQGE( M, N, A, LDA, R, C, ROWCND, COLCND, AMAX,
   *                          EQUED )
   * 
   *       .. Scalar Arguments ..
   *       CHARACTER          EQUED
   *       INTEGER            LDA, M, N
   *       DOUBLE PRECISION   AMAX, COLCND, ROWCND
   *       ..
   *       .. Array Arguments ..
   *       DOUBLE PRECISION   C( * ), R( * )
   *       COMPLEX*16         A( LDA, * )
   *       ..
   *  
   *
   *> \par Purpose:
   *  =============
   *>
   *> \verbatim
   *>
   *> ZLAQGE equilibrates a general M by N matrix A using the row and
   *> column scaling factors in the vectors R and C.
   *> \endverbatim
   *
   *  Arguments:
   *  ==========
   *
   *> \param[in] M
   *> \verbatim
   *>          M is INTEGER
   *>          The number of rows of the matrix A.  M >= 0.
   *> \endverbatim
   *>
   *> \param[in] N
   *> \verbatim
   *>          N is INTEGER
   *>          The number of columns of the matrix A.  N >= 0.
   *> \endverbatim
   *>
   *> \param[in,out] A
   *> \verbatim
   *>          A is COMPLEX*16 array, dimension (LDA,N)
   *>          On entry, the M by N matrix A.
   *>          On exit, the equilibrated matrix.  See EQUED for the form of
   *>          the equilibrated matrix.
   *> \endverbatim
   *>
   *> \param[in] LDA
   *> \verbatim
   *>          LDA is INTEGER
   *>          The leading dimension of the array A.  LDA >= max(M,1).
   *> \endverbatim
   *>
   *> \param[in] R
   *> \verbatim
   *>          R is DOUBLE PRECISION array, dimension (M)
   *>          The row scale factors for A.
   *> \endverbatim
   *>
   *> \param[in] C
   *> \verbatim
   *>          C is DOUBLE PRECISION array, dimension (N)
   *>          The column scale factors for A.
   *> \endverbatim
   *>
   *> \param[in] ROWCND
   *> \verbatim
   *>          ROWCND is DOUBLE PRECISION
   *>          Ratio of the smallest R(i) to the largest R(i).
   *> \endverbatim
   *>
   *> \param[in] COLCND
   *> \verbatim
   *>          COLCND is DOUBLE PRECISION
   *>          Ratio of the smallest C(i) to the largest C(i).
   *> \endverbatim
   *>
   *> \param[in] AMAX
   *> \verbatim
   *>          AMAX is DOUBLE PRECISION
   *>          Absolute value of largest matrix entry.
   *> \endverbatim
   *>
   *> \param[out] EQUED
   *> \verbatim
   *>          EQUED is CHARACTER*1
   *>          Specifies the form of equilibration that was done.
   *>          = 'N':  No equilibration
   *>          = 'R':  Row equilibration, i.e., A has been premultiplied by
   *>                  diag(R).
   *>          = 'C':  Column equilibration, i.e., A has been postmultiplied
   *>                  by diag(C).
   *>          = 'B':  Both row and column equilibration, i.e., A has been
   *>                  replaced by diag(R) * A * diag(C).
   *> \endverbatim
   *
   *> \par Internal Parameters:
   *  =========================
   *>
   *> \verbatim
   *>  THRESH is a threshold value used to decide if row or column scaling
   *>  should be done based on the ratio of the row or column scaling
   *>  factors.  If ROWCND < THRESH, row scaling is done, and if
   *>  COLCND < THRESH, column scaling is done.
   *>
   *>  LARGE and SMALL are threshold values used to decide if row scaling
   *>  should be done based on the absolute size of the largest matrix
   *>  element.  If AMAX > LARGE or AMAX < SMALL, row scaling is done.
   *> \endverbatim
   *
   *  Authors:
   *  ========
   *
   *> \author Univ. of Tennessee 
   *> \author Univ. of California Berkeley 
   *> \author Univ. of Colorado Denver 
   *> \author NAG Ltd. 
   *
   *> \date November 2011
   *
   *> \ingroup complex16GEauxiliary
   *
   *  =====================================================================
       SUBROUTINE ZLAQGE( M, N, A, LDA, R, C, ROWCND, COLCND, AMAX,        SUBROUTINE ZLAQGE( M, N, A, LDA, R, C, ROWCND, COLCND, AMAX,
      $                   EQUED )       $                   EQUED )
 *  *
 *  -- LAPACK auxiliary routine (version 3.2) --  *  -- LAPACK auxiliary routine (version 3.4.0) --
 *  -- 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 2006  *     November 2011
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       CHARACTER          EQUED        CHARACTER          EQUED
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       COMPLEX*16         A( LDA, * )        COMPLEX*16         A( LDA, * )
 *     ..  *     ..
 *  *
 *  Purpose  
 *  =======  
 *  
 *  ZLAQGE equilibrates a general M by N matrix A using the row and  
 *  column scaling factors in the vectors R and C.  
 *  
 *  Arguments  
 *  =========  
 *  
 *  M       (input) INTEGER  
 *          The number of rows of the matrix A.  M >= 0.  
 *  
 *  N       (input) INTEGER  
 *          The number of columns of the matrix A.  N >= 0.  
 *  
 *  A       (input/output) COMPLEX*16 array, dimension (LDA,N)  
 *          On entry, the M by N matrix A.  
 *          On exit, the equilibrated matrix.  See EQUED for the form of  
 *          the equilibrated matrix.  
 *  
 *  LDA     (input) INTEGER  
 *          The leading dimension of the array A.  LDA >= max(M,1).  
 *  
 *  R       (input) DOUBLE PRECISION array, dimension (M)  
 *          The row scale factors for A.  
 *  
 *  C       (input) DOUBLE PRECISION array, dimension (N)  
 *          The column scale factors for A.  
 *  
 *  ROWCND  (input) DOUBLE PRECISION  
 *          Ratio of the smallest R(i) to the largest R(i).  
 *  
 *  COLCND  (input) DOUBLE PRECISION  
 *          Ratio of the smallest C(i) to the largest C(i).  
 *  
 *  AMAX    (input) DOUBLE PRECISION  
 *          Absolute value of largest matrix entry.  
 *  
 *  EQUED   (output) CHARACTER*1  
 *          Specifies the form of equilibration that was done.  
 *          = 'N':  No equilibration  
 *          = 'R':  Row equilibration, i.e., A has been premultiplied by  
 *                  diag(R).  
 *          = 'C':  Column equilibration, i.e., A has been postmultiplied  
 *                  by diag(C).  
 *          = 'B':  Both row and column equilibration, i.e., A has been  
 *                  replaced by diag(R) * A * diag(C).  
 *  
 *  Internal Parameters  
 *  ===================  
 *  
 *  THRESH is a threshold value used to decide if row or column scaling  
 *  should be done based on the ratio of the row or column scaling  
 *  factors.  If ROWCND < THRESH, row scaling is done, and if  
 *  COLCND < THRESH, column scaling is done.  
 *  
 *  LARGE and SMALL are threshold values used to decide if row scaling  
 *  should be done based on the absolute size of the largest matrix  
 *  element.  If AMAX > LARGE or AMAX < SMALL, row scaling is done.  
 *  
 *  =====================================================================  *  =====================================================================
 *  *
 *     .. Parameters ..  *     .. Parameters ..

Removed from v.1.7  
changed lines
  Added in v.1.8


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