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errata_from_341_to_342.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
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<title>Bugs corrected from 3.4.1 to 3.4.2</title>
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<body class="article">
<div id="header">
<h1>Bugs corrected from 3.4.1 to 3.4.2</h1>
<div id="toc">
<div id="toctitle">Table of Contents</div>
<noscript><p><b>JavaScript must be enabled in your browser to display the table of contents.</b></p></noscript>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_strong_span_class_green_bug0100_span_strong_s_d_gesdd_correct_minimum_lwork_size"><strong><span class="green">bug0100</span></strong> :: [S,D]gesdd correct minimum LWORK size</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
<strong>CORRECTED</strong>
</p>
</li>
<li>
<p>
Present in LAPACK 3.4.1
</p>
</li>
<li>
<p>
bug report by Tim Wentz (CRAY) on August 23 2012
</p>
</li>
<li>
<p>
Email sent directly to Julie
</p>
</li>
<li>
<p>
correct LWORK size bug for the case JOBZ=<em>A</em> and M >> N (which corresponds to path 4 in the code)
</p>
</li>
<li>
<p>
the minimum LWORK size in this case had incorrectly used N as the length of LWORK to the DORGQR call, when it should have been M
</p>
</li>
<li>
<p>
Corrected by Rodney on August 23rd in rev 1329
</p>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_strong_span_class_green_bug0099_span_strong_s_d_sgesvj_array_sva_n2_0_can_be_out_of_the_array_boundary"><strong><span class="green">bug0099</span></strong> :: [S,D]sgesvj array SVA(N2=0) can be out of the array boundary</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
<strong>CORRECTED</strong>
</p>
</li>
<li>
<p>
Present in LAPACK 3.4.1
</p>
</li>
<li>
<p>
bug report by Shandong Lao (ORACLE) on August 20 2012
</p>
</li>
<li>
<p>
Email sent directly to Julie
</p>
</li>
<li>
<p>
Corrected by Rodney on August 21st in rev 1327
</p>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_strong_span_class_green_bug0098_span_strong_dsyev_may_return_non_orthogonal_eigenvectors"><strong><span class="green">bug0098</span></strong> :: DSYEV may return non-orthogonal eigenvectors</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
<strong>CORRECTED</strong>
</p>
</li>
<li>
<p>
Present in LAPACK 3.4.1
</p>
</li>
<li>
<p>
bug report by Duncan Po (Mathworks) on August 15 2012
</p>
</li>
<li>
<p>
See <a href="http://icl.cs.utk.edu/lapack-forum/viewtopic.php?f=13&t=3597">forum topic 3597</a>
</p>
</li>
<li>
<p>
Corrected by Rodney on August 16 2012 in rev 1319
</p>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_strong_span_class_green_bug0097_span_strong_s_d_lasq3_could_cause_nans_appearance_in_gesvd_and_gesdd"><strong><span class="green">bug0097</span></strong> :: [S,D]LASQ3 could cause NaNs appearance in ?GESVD and ?GESDD</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
<strong>CORRECTED</strong>
</p>
</li>
<li>
<p>
Present in LAPACK 3.4.1
</p>
</li>
<li>
<p>
bug report by Alexander Kobotov (INTEL) on June 28 2012
</p>
</li>
<li>
<p>
See <a href="http://icl.cs.utk.edu/lapack-forum/viewtopic.php?f=13&t=3455">forum topic 3455</a>
</p>
</li>
<li>
<p>
Corrected by Rodney on rev
</p>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_strong_span_class_green_bug0096_span_strong_stemr_sorting_is_not_done_for_n_2"><strong><span class="green">bug0096</span></strong> :: ?STEMR sorting is not done for N=2.</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
<strong>CORRECTED</strong>
</p>
</li>
<li>
<p>
Present in LAPACK 3.4.1
</p>
</li>
<li>
<p>
bug report by Joseph Young (SANDIA) on June 26 2012
</p>
</li>
<li>
<p>
bug report sent to lapack mailing list
</p>
</li>
<li>
<p>
corrected by Julie on July 3 2012 in rev 1307
</p>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_strong_span_class_green_bug0095_span_strong_s_d_lasq3_could_cause_nans_appearance_in_gesvd_and_gesdd"><strong><span class="green">bug0095</span></strong> :: [S,D]LASQ3 could cause NaNs appearance in ?GESVD and ?GESDD</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
<strong>CORRECTED</strong>
</p>
</li>
<li>
<p>
Present in LAPACK 3.4.1
</p>
</li>
<li>
<p>
bug report by Alexander Kobotov (INTEL) on June 29 2012
</p>
</li>
<li>
<p>
Added fix to prevent dividing by T when T=0 .
</p>
</li>
<li>
<p>
See <a href="http://icl.cs.utk.edu/lapack-forum/viewtopic.php?f=13&t=3455">forum topic 3455</a>
</p>
</li>
<li>
<p>
corrected by Rodney on June 29 2012 in rev 1304
</p>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_strong_span_class_green_bug0094_span_strong_s_d_syevr_and_c_z_syevr_routine_workspace_indices_problem"><strong><span class="green">bug0094</span></strong> :: [S,D]SYEVR and [C,Z]SYEVR routine - workspace indices problem</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
<strong>CORRECTED</strong>
</p>
</li>
<li>
<p>
Present in LAPACK 3.4.1
</p>
</li>
<li>
<p>
bug report by Keita Teranishi (CRAY) on May 18 2012
</p>
</li>
<li>
<p>
INDIWO should be INDIFL+N. Otherwise, subsequent {S,D}STEIN call takes the same address for IWORK(INDIWO) and INWROK(INDIFL).
</p>
</li>
<li>
<p>
Sent to LAPACK team
</p>
</li>
<li>
<p>
corrected by Julie on May 21 2012 in rev 1302
</p>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_strong_span_class_green_bug0093_span_strong_lapacke_lapacke_xlange_routine_workspace_problem"><strong><span class="green">bug0093</span></strong> :: LAPACKE - LAPACKE_xlange routine - workspace problem</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
<strong>CORRECTED</strong>
</p>
</li>
<li>
<p>
Present in LAPACK 3.4.1
</p>
</li>