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Diff for /rpl/lapack/lapack/ztgevc.f between versions 1.9 and 1.17

version 1.9, 2011/11/21 22:19:58 version 1.17, 2023/08/07 08:39:40
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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 ZTGEVC + dependencies   *> Download ZTGEVC + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/ztgevc.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/ztgevc.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/ztgevc.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/ztgevc.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/ztgevc.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/ztgevc.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
 *  *
 *       SUBROUTINE ZTGEVC( SIDE, HOWMNY, SELECT, N, S, LDS, P, LDP, VL,  *       SUBROUTINE ZTGEVC( SIDE, HOWMNY, SELECT, N, S, LDS, P, LDP, VL,
 *                          LDVL, VR, LDVR, MM, M, WORK, RWORK, INFO )  *                          LDVL, VR, LDVR, MM, M, WORK, RWORK, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       CHARACTER          HOWMNY, SIDE  *       CHARACTER          HOWMNY, SIDE
 *       INTEGER            INFO, LDP, LDS, LDVL, LDVR, M, MM, N  *       INTEGER            INFO, LDP, LDS, LDVL, LDVR, M, MM, N
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 *       COMPLEX*16         P( LDP, * ), S( LDS, * ), VL( LDVL, * ),  *       COMPLEX*16         P( LDP, * ), S( LDS, * ), VL( LDVL, * ),
 *      $                   VR( LDVR, * ), WORK( * )  *      $                   VR( LDVR, * ), WORK( * )
 *       ..  *       ..
 *    *
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
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 *> a pair of complex matrices (S,P), where S and P are upper triangular.  *> a pair of complex matrices (S,P), where S and P are upper triangular.
 *> Matrix pairs of this type are produced by the generalized Schur  *> Matrix pairs of this type are produced by the generalized Schur
 *> factorization of a complex matrix pair (A,B):  *> factorization of a complex matrix pair (A,B):
 *>   *>
 *>    A = Q*S*Z**H,  B = Q*P*Z**H  *>    A = Q*S*Z**H,  B = Q*P*Z**H
 *>   *>
 *> as computed by ZGGHRD + ZHGEQZ.  *> as computed by ZGGHRD + ZHGEQZ.
 *>   *>
 *> The right eigenvector x and the left eigenvector y of (S,P)  *> The right eigenvector x and the left eigenvector y of (S,P)
 *> corresponding to an eigenvalue w are defined by:  *> corresponding to an eigenvalue w are defined by:
 *>   *>
 *>    S*x = w*P*x,  (y**H)*S = w*(y**H)*P,  *>    S*x = w*P*x,  (y**H)*S = w*(y**H)*P,
 *>   *>
 *> where y**H denotes the conjugate tranpose of y.  *> where y**H denotes the conjugate tranpose of y.
 *> The eigenvalues are not input to this routine, but are computed  *> The eigenvalues are not input to this routine, but are computed
 *> directly from the diagonal elements of S and P.  *> directly from the diagonal elements of S and P.
 *>   *>
 *> This routine returns the matrices X and/or Y of right and left  *> This routine returns the matrices X and/or Y of right and left
 *> eigenvectors of (S,P), or the products Z*X and/or Q*Y,  *> eigenvectors of (S,P), or the products Z*X and/or Q*Y,
 *> where Z and Q are input matrices.  *> where Z and Q are input matrices.
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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 complex16GEcomputational  *> \ingroup complex16GEcomputational
 *  *
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       SUBROUTINE ZTGEVC( SIDE, HOWMNY, SELECT, N, S, LDS, P, LDP, VL,        SUBROUTINE ZTGEVC( SIDE, HOWMNY, SELECT, N, S, LDS, P, LDP, VL,
      $                   LDVL, VR, LDVR, MM, M, WORK, RWORK, INFO )       $                   LDVL, VR, LDVR, MM, M, WORK, RWORK, 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          HOWMNY, SIDE        CHARACTER          HOWMNY, SIDE
Removed from v.1.9  
changed lines
  Added in v.1.17

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