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Diff for /rpl/lapack/lapack/dgtsvx.f between versions 1.8 and 1.19

version 1.8, 2011/11/21 20:42:53 version 1.19, 2023/08/07 08:38:52
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 *> \brief \b DGTSVX  *> \brief <b> DGTSVX computes the solution to system of linear equations A * X = B for GT matrices </b>
 *  *
 *  =========== 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 DGTSVX + dependencies   *> Download DGTSVX + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgtsvx.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgtsvx.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgtsvx.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgtsvx.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgtsvx.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgtsvx.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
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 *       SUBROUTINE DGTSVX( FACT, TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF,  *       SUBROUTINE DGTSVX( FACT, TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF,
 *                          DU2, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR,  *                          DU2, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR,
 *                          WORK, IWORK, INFO )  *                          WORK, IWORK, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       CHARACTER          FACT, TRANS  *       CHARACTER          FACT, TRANS
 *       INTEGER            INFO, LDB, LDX, N, NRHS  *       INTEGER            INFO, LDB, LDX, N, NRHS
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 *      $                   DL( * ), DLF( * ), DU( * ), DU2( * ), DUF( * ),  *      $                   DL( * ), DLF( * ), DU( * ), DU2( * ), DUF( * ),
 *      $                   FERR( * ), WORK( * ), X( LDX, * )  *      $                   FERR( * ), WORK( * ), X( LDX, * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
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 *>  *>
 *> \param[in,out] DLF  *> \param[in,out] DLF
 *> \verbatim  *> \verbatim
 *>          DLF is or output) DOUBLE PRECISION array, dimension (N-1)  *>          DLF is DOUBLE PRECISION array, dimension (N-1)
 *>          If FACT = 'F', then DLF is an input argument and on entry  *>          If FACT = 'F', then DLF is an input argument and on entry
 *>          contains the (n-1) multipliers that define the matrix L from  *>          contains the (n-1) multipliers that define the matrix L from
 *>          the LU factorization of A as computed by DGTTRF.  *>          the LU factorization of A as computed by DGTTRF.
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 *>  *>
 *> \param[in,out] DF  *> \param[in,out] DF
 *> \verbatim  *> \verbatim
 *>          DF is or output) DOUBLE PRECISION array, dimension (N)  *>          DF is DOUBLE PRECISION array, dimension (N)
 *>          If FACT = 'F', then DF is an input argument and on entry  *>          If FACT = 'F', then DF is an input argument and on entry
 *>          contains the n diagonal elements of the upper triangular  *>          contains the n diagonal elements of the upper triangular
 *>          matrix U from the LU factorization of A.  *>          matrix U from the LU factorization of A.
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 *>  *>
 *> \param[in,out] DUF  *> \param[in,out] DUF
 *> \verbatim  *> \verbatim
 *>          DUF is or output) DOUBLE PRECISION array, dimension (N-1)  *>          DUF is DOUBLE PRECISION array, dimension (N-1)
 *>          If FACT = 'F', then DUF is an input argument and on entry  *>          If FACT = 'F', then DUF is an input argument and on entry
 *>          contains the (n-1) elements of the first superdiagonal of U.  *>          contains the (n-1) elements of the first superdiagonal of U.
 *>  *>
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 *>  *>
 *> \param[in,out] DU2  *> \param[in,out] DU2
 *> \verbatim  *> \verbatim
 *>          DU2 is or output) DOUBLE PRECISION array, dimension (N-2)  *>          DU2 is DOUBLE PRECISION array, dimension (N-2)
 *>          If FACT = 'F', then DU2 is an input argument and on entry  *>          If FACT = 'F', then DU2 is an input argument and on entry
 *>          contains the (n-2) elements of the second superdiagonal of  *>          contains the (n-2) elements of the second superdiagonal of
 *>          U.  *>          U.
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 *>  *>
 *> \param[in,out] IPIV  *> \param[in,out] IPIV
 *> \verbatim  *> \verbatim
 *>          IPIV is or output) INTEGER array, dimension (N)  *>          IPIV is INTEGER array, dimension (N)
 *>          If FACT = 'F', then IPIV is an input argument and on entry  *>          If FACT = 'F', then IPIV is an input argument and on entry
 *>          contains the pivot indices from the LU factorization of A as  *>          contains the pivot indices from the LU factorization of A as
 *>          computed by DGTTRF.  *>          computed by DGTTRF.
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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 doubleGTsolve
 *  *
 *  =====================================================================  *  =====================================================================
       SUBROUTINE DGTSVX( FACT, TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF,        SUBROUTINE DGTSVX( FACT, TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF,
      $                   DU2, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR,       $                   DU2, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR,
      $                   WORK, IWORK, INFO )       $                   WORK, IWORK, INFO )
 *  *
 *  -- LAPACK computational routine (version 3.4.0) --  *  -- LAPACK driver 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          FACT, TRANS        CHARACTER          FACT, TRANS
Removed from v.1.8  
changed lines
  Added in v.1.19

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