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author | julie <julielangou@users.noreply.github.com> | 2011-10-06 06:53:11 +0000 |
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committer | julie <julielangou@users.noreply.github.com> | 2011-10-06 06:53:11 +0000 |
commit | e1d39294aee16fa6db9ba079b14442358217db71 (patch) | |
tree | 30e5aa04c1f6596991fda5334f63dfb9b8027849 /SRC/dlarrr.f | |
parent | 5fe0466a14e395641f4f8a300ecc9dcb8058081b (diff) | |
download | lapack-e1d39294aee16fa6db9ba079b14442358217db71.tar.gz lapack-e1d39294aee16fa6db9ba079b14442358217db71.tar.bz2 lapack-e1d39294aee16fa6db9ba079b14442358217db71.zip |
Integrating Doxygen in comments
Diffstat (limited to 'SRC/dlarrr.f')
-rw-r--r-- | SRC/dlarrr.f | 128 |
1 files changed, 92 insertions, 36 deletions
diff --git a/SRC/dlarrr.f b/SRC/dlarrr.f index c888edb4..9b24b301 100644 --- a/SRC/dlarrr.f +++ b/SRC/dlarrr.f @@ -1,53 +1,109 @@ - SUBROUTINE DLARRR( N, D, E, INFO ) -* -* -- LAPACK auxiliary routine (version 3.2) -- -* -- LAPACK is a software package provided by Univ. of Tennessee, -- -* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- -* November 2006 -* -* .. Scalar Arguments .. - INTEGER N, INFO -* .. -* .. Array Arguments .. - DOUBLE PRECISION D( * ), E( * ) -* .. -* -* +*> \brief \b DLARRR +* +* =========== DOCUMENTATION =========== +* +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ +* +* Definition +* ========== +* +* SUBROUTINE DLARRR( N, D, E, INFO ) +* +* .. Scalar Arguments .. +* INTEGER N, INFO +* .. +* .. Array Arguments .. +* DOUBLE PRECISION D( * ), E( * ) +* .. +* +* * Purpose * ======= * -* Perform tests to decide whether the symmetric tridiagonal matrix T -* warrants expensive computations which guarantee high relative accuracy -* in the eigenvalues. +*>\details \b Purpose: +*>\verbatim +*> +*> Perform tests to decide whether the symmetric tridiagonal matrix T +*> warrants expensive computations which guarantee high relative accuracy +*> in the eigenvalues. +*> +*>\endverbatim * * Arguments * ========= * -* N (input) INTEGER -* The order of the matrix. N > 0. +*> \param[in] N +*> \verbatim +*> N is INTEGER +*> The order of the matrix. N > 0. +*> \endverbatim +*> +*> \param[in] D +*> \verbatim +*> D is DOUBLE PRECISION array, dimension (N) +*> The N diagonal elements of the tridiagonal matrix T. +*> \endverbatim +*> +*> \param[in,out] E +*> \verbatim +*> E is DOUBLE PRECISION array, dimension (N) +*> On entry, the first (N-1) entries contain the subdiagonal +*> elements of the tridiagonal matrix T; E(N) is set to ZERO. +*> \endverbatim +*> +*> \param[out] INFO +*> \verbatim +*> INFO is INTEGER +*> INFO = 0(default) : the matrix warrants computations preserving +*> relative accuracy. +*> INFO = 1 : the matrix warrants computations guaranteeing +*> only absolute accuracy. +*> \endverbatim +*> +* +* Authors +* ======= * -* D (input) DOUBLE PRECISION array, dimension (N) -* The N diagonal elements of the tridiagonal matrix T. +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. * -* E (input/output) DOUBLE PRECISION array, dimension (N) -* On entry, the first (N-1) entries contain the subdiagonal -* elements of the tridiagonal matrix T; E(N) is set to ZERO. +*> \date November 2011 +* +*> \ingroup auxOTHERauxiliary * -* INFO (output) INTEGER -* INFO = 0(default) : the matrix warrants computations preserving -* relative accuracy. -* INFO = 1 : the matrix warrants computations guaranteeing -* only absolute accuracy. * * Further Details * =============== +*>\details \b Further \b Details +*> \verbatim +*> +*> Based on contributions by +*> Beresford Parlett, University of California, Berkeley, USA +*> Jim Demmel, University of California, Berkeley, USA +*> Inderjit Dhillon, University of Texas, Austin, USA +*> Osni Marques, LBNL/NERSC, USA +*> Christof Voemel, University of California, Berkeley, USA +*> +*> \endverbatim +*> +* ===================================================================== + SUBROUTINE DLARRR( N, D, E, INFO ) +* +* -- LAPACK auxiliary routine (version 3.2) -- +* -- LAPACK is a software package provided by Univ. of Tennessee, -- +* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- +* November 2011 +* +* .. Scalar Arguments .. + INTEGER N, INFO +* .. +* .. Array Arguments .. + DOUBLE PRECISION D( * ), E( * ) +* .. * -* Based on contributions by -* Beresford Parlett, University of California, Berkeley, USA -* Jim Demmel, University of California, Berkeley, USA -* Inderjit Dhillon, University of Texas, Austin, USA -* Osni Marques, LBNL/NERSC, USA -* Christof Voemel, University of California, Berkeley, USA * * ===================================================================== * |