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<HTML>
<HEAD>
<TITLE>RELEASE_NOTES webpage for LAPACK</TITLE>
</HEAD>
<BODY>
<center>
<H1>RELEASE_NOTES webpage for LAPACK</H1>
<FONT color="red"><H2>UNDER CONSTRUCTION!</H2></FONT>
</center>
<hr>
<pre>
 History of LAPACK releases

 Version 1.0 : February 29, 1992
 Revised, Version 1.0a:  June 30, 1992
 Revised, Version 1.0b:  October 31, 1992
 Revised, Version 1.1:   March 31, 1993

 Version 2.0:   September 30, 1994
 Version 3.0:   June 30, 1999
 Update, Version 3.0:  October 31, 1999
 Update, Version 3.0:  May 31, 2000
</pre>
<hr>
<p>
 To better address the needs of our LAPACK users, we're in the
 process of creating this RELEASE_NOTES webpage.  Users will
 be able to download updates/patches to LAPACK in a variety of
 ways (Unix patch, tar-gzip file), and will no longer need to wait
 for an update/release, or make the changes by-hand.</p>
<p>
 This file contains:
<ul>
<li> Errata for LAPACK Users' Guide, Third Edition
<li> Machine-specific Installation Hints
<li> Errata for LAPACK, Version 3.0
</ul>
<p>
 LAPACK has been tested on a variety of architectures.  However,
 keep in mind that we do not have access to every possible type of
 machine, and the regrettable bug report will appear.  We apologize
 for any inconvenience this may cause to our users, and strongly
 encourage users to contact us if you suspect an abnormality.
 Please contribute "machine-specific installation.hints.gz" for
 architectures that we do not have listed.  These "hints" are of
 great benefit to many users.</p>
<p>
 <b>LAPACK test suite failure when linking with ATLAS</b>:  The LAPACK
test suite assumes that diagonal elements are not inverted, and
then tests only the 'Left' case of xTRSM, since the 'Right' case of the
reference implementation of xTRSM inverts the diagonal elements.  In
the implementation of xTRSM in ATLAS, inversion is used for both
cases.  Thus, the LAPACK test suite (./xlintsts < stest.in ) will
fail when linking with ATLAS.  The LAPACK test suite needs to be
modified to allow for the inversion of diagonal elements, as 
ATLAS's implementation of xTRSM is valid.</p>
<hr>
<p>
<a href="errata.lug.gz"><H2>Errata in LAPACK Users' Guide, Third Edition</H2></a>
<br>
<a href="installation.hints.gz"><H2>Machine-specific Installation Hints</H2></a>
<br>
<hr>
<p>
<H2>Errata in LAPACK, version 3.0</H2>

<i>UPDATED: October 4, 2002</i>

<!--
<p>
There are no outstanding bug fixes.  All known bug fixes have been
incorporated into the update of LAPACK. 
</p>
-->
<p>
The following bug fixes have NOT yet been incorporated in a release/update
of LAPACK.
</p>
<table border cellspacing=1 bordercolor="#000000" cellpadding=7>
<tr>
<td valign="left">DIRECTORY/ROUTINE</td>
<td valign="left">DATE POSTED (M/D/Y)</td>
<td valign="left">DESCRIPTION OF CHANGE</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/blas/testing/sblat2.f">LAPACK/BLAS/TESTING/sblat2.f</a></td>
<td valign="left">10/9/2000</td>
<td valign="left">Changed STATUS='NEW' to 'UNKNOWN'</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/blas/testing/dblat2.f">LAPACK/BLAS/TESTING/dblat2.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/blas/testing/cblat2.f">LAPACK/BLAS/TESTING/cblat2.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/blas/testing/zblat2.f">LAPACK/BLAS/TESTING/zblat2.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/blas/testing/sblat3.f">LAPACK/BLAS/TESTING/sblat3.f</a></td>
<td valign="left">10/9/2000</td>
<td valign="left">Changed STATUS='NEW' to 'UNKNOWN'</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/blas/testing/dblat3.f">LAPACK/BLAS/TESTING/dblat3.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/blas/testing/cblat3.f">LAPACK/BLAS/TESTING/cblat3.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/blas/testing/zblat3.f">LAPACK/BLAS/TESTING/zblat3.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/install/make.inc.LINUX">LAPACK/INSTALL/make.inc.LINUX</a></td>
<td valign="left">3/29/2001</td>
<td valign="left">Removal of -fno-f2c from compiler flags!</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sbdsqr.f">LAPACK/SRC/sbdsqr.f</a></td>
<td valign="left">4/25/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dbdsqr.f">LAPACK/SRC/dbdsqr.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cbdsqr.f">LAPACK/SRC/cbdsqr.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zbdsqr.f">LAPACK/SRC/zbdsqr.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgebd2.f">LAPACK/SRC/sgebd2.f</a></td>
<td valign="left">5/7/2001</td>
<td valign="left">Fix to avoid zero-size array reference in call to xLARF on lines 174 and 212</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgebd2.f">LAPACK/SRC/dgebd2.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgebd2.f">LAPACK/SRC/cgebd2.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgebd2.f">LAPACK/SRC/zgebd2.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgees.f">LAPACK/SRC/sgees.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgees.f">LAPACK/SRC/dgees.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgees.f">LAPACK/SRC/cgees.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgees.f">LAPACK/SRC/zgees.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgeesx.f">LAPACK/SRC/sgeesx.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Added workspace calculation (upper bound)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgeesx.f">LAPACK/SRC/dgeesx.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgeesx.f">LAPACK/SRC/cgeesx.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgeesx.f">LAPACK/SRC/zgeesx.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgeev.f">LAPACK/SRC/sgeev.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgeev.f">LAPACK/SRC/dgeev.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgeev.f">LAPACK/SRC/cgeev.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgeev.f">LAPACK/SRC/zgeev.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgeevx.f">LAPACK/SRC/sgeevx.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgeevx.f">LAPACK/SRC/dgeevx.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgeevx.f">LAPACK/SRC/cgeevx.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgeevx.f">LAPACK/SRC/zgeevx.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgegs.f">LAPACK/SRC/sgegs.f</a></td>
<td valign="left">4/26/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgegs.f">LAPACK/SRC/dgegs.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgegs.f">LAPACK/SRC/cgegs.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgegs.f">LAPACK/SRC/zgegs.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgegv.f">LAPACK/SRC/sgegv.f</a></td>
<td valign="left">4/26/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgegv.f">LAPACK/SRC/dgegv.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgegv.f">LAPACK/SRC/cgegv.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgegv.f">LAPACK/SRC/zgegv.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgelsd.f">LAPACK/SRC/sgelsd.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgelsd.f">LAPACK/SRC/dgelsd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgelsd.f">LAPACK/SRC/cgelsd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgelsd.f">LAPACK/SRC/zgelsd.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgelss.f">LAPACK/SRC/sgelss.f</a></td>
<td valign="left">4/25/2001</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1), and bug in DO 40 loop</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgelss.f">LAPACK/SRC/dgelss.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgelss.f">LAPACK/SRC/cgelss.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgelss.f">LAPACK/SRC/zgelss.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgesdd.f">LAPACK/SRC/sgesdd.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgesdd.f">LAPACK/SRC/dgesdd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgesdd.f">LAPACK/SRC/cgesdd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgesdd.f">LAPACK/SRC/zgesdd.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgesvd.f">LAPACK/SRC/sgesvd.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgesvd.f">LAPACK/SRC/dgesvd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgesvd.f">LAPACK/SRC/cgesvd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgesvd.f">LAPACK/SRC/zgesvd.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sggbak.f">LAPACK/SRC/sggbak.f</a></td>
<td valign="left">2/1/2001</td>
<td valign="left">Corrected incorrect error exit when N=0, ILO=1, IHI=0</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dggbak.f">LAPACK/SRC/dggbak.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cggbak.f">LAPACK/SRC/cggbak.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zggbak.f">LAPACK/SRC/zggbak.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sggbal.f">LAPACK/SRC/sggbal.f</a></td>
<td valign="left">4/12/2001</td>
<td valign="left">Corrected incorrect error exit for LDB and LDA->LDB in call to IxAMAX on line 427(474)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dggbal.f">LAPACK/SRC/dggbal.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cggbal.f">LAPACK/SRC/cggbal.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zggbal.f">LAPACK/SRC/zggbal.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgges.f">LAPACK/SRC/sgges.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgges.f">LAPACK/SRC/dgges.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgges.f">LAPACK/SRC/cgges.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgges.f">LAPACK/SRC/zgges.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sggesx.f">LAPACK/SRC/sggesx.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Added workspace calculation (upper bound)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dggesx.f">LAPACK/SRC/dggesx.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cggesx.f">LAPACK/SRC/cggesx.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zggesx.f">LAPACK/SRC/zggesx.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sggev.f">LAPACK/SRC/sggev.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dggev.f">LAPACK/SRC/dggev.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cggev.f">LAPACK/SRC/cggev.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zggev.f">LAPACK/SRC/zggev.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sggevx.f">LAPACK/SRC/sggevx.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dggevx.f">LAPACK/SRC/dggevx.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cggevx.f">LAPACK/SRC/cggevx.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zggevx.f">LAPACK/SRC/zggevx.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sgghrd.f">LAPACK/SRC/sgghrd.f</a></td>
<td valign="left">4/26/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dgghrd.f">LAPACK/SRC/dgghrd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/cgghrd.f">LAPACK/SRC/cgghrd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zgghrd.f">LAPACK/SRC/zgghrd.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/shgeqz.f">LAPACK/SRC/shgeqz.f</a></td>
<td valign="left">5/3/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dhgeqz.f">LAPACK/SRC/dhgeqz.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/chgeqz.f">LAPACK/SRC/chgeqz.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zhgeqz.f">LAPACK/SRC/zhgeqz.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/slasr.f">LAPACK/SRC/slasr.f</a></td>
<td valign="left">5/3/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dlasr.f">LAPACK/SRC/dlasr.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/clasr.f">LAPACK/SRC/clasr.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zlasr.f">LAPACK/SRC/zlasr.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/ssbgst.f">LAPACK/SRC/ssbgst.f</a></td>
<td valign="left">1/9/2001</td>
<td valign="left">Corrected error in input error-checking</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dsbgst.f">LAPACK/SRC/dsbgst.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/chbgst.f">LAPACK/SRC/chbgst.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/zhbgst.f">LAPACK/SRC/zhbgst.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/sstebz.f">LAPACK/SRC/sstebz.f</a></td>
<td valign="left">10/5/2000</td>
<td valign="left">Changed FUDGE factor from 2.0 to 2.1 (for the T3E)</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dstebz.f">LAPACK/SRC/dstebz.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/stgevc.f">LAPACK/SRC/stgevc.f</a></td>
<td valign="left">5/3/2001</td>
<td valign="left">Removed erroneous HOWMNY='T' in input error-checking and documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dtgevc.f">LAPACK/SRC/dtgevc.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/ctgevc.f">LAPACK/SRC/ctgevc.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/ztgevc.f">LAPACK/SRC/ztgevc.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/strevc.f">LAPACK/SRC/strevc.f</a></td>
<td valign="left">5/7/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dtrevc.f">LAPACK/SRC/dtrevc.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/ctrevc.f">LAPACK/SRC/ctrevc.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/ztrevc.f">LAPACK/SRC/ztrevc.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/strsen.f">LAPACK/SRC/strsen.f</a></td>
<td valign="left">1/3/2001</td>
<td valign="left">Corrected error in documentation with LQUERY</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dtrsen.f">LAPACK/SRC/dtrsen.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/ctrsen.f">LAPACK/SRC/ctrsen.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/ztrsen.f">LAPACK/SRC/ztrsen.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/strsna.f">LAPACK/SRC/strsna.f</a></td>
<td valign="left">10/26/2001</td>
<td valign="left">Corrected documentation error in size of WORK and IWORK</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/dtrsna.f">LAPACK/SRC/dtrsna.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/ctrsna.f">LAPACK/SRC/ctrsna.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/src/ztrsna.f">LAPACK/SRC/ztrsna.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/ctrsyl.f">LAPACK/SRC/ctrsyl.f</a></td>
<td valign="left">1/9/2001</td>
<td valign="left">Corrected error in input error-checking</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/src/ztrsyl.f">LAPACK/SRC/ztrsyl.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/lin/serrqp.f">LAPACK/TESTING/LIN/serrqp.f</a></td>
<td valign="left">10/6/2000</td>
<td valign="left">Avoid LDA=0 to test input error checking</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/lin/derrqp.f">LAPACK/TESTING/LIN/derrqp.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/lin/cerrqp.f">LAPACK/TESTING/LIN/cerrqp.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/lin/zerrqp.f">LAPACK/TESTING/LIN/zerrqp.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/lin/cchkhe.f">LAPACK/TESTING/LIN/cchkhe.f</a></td>
<td valign="left">7/6/2001</td>
<td valign="left">Removal of line 386 (XTYPE='C')</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/lin/zchkhe.f">LAPACK/TESTING/LIN/zchkhe.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/eig/serrgg.f">LAPACK/TESTING/EIG/serrgg.f</a></td>
<td valign="left">10/9/2000</td>
<td valign="left">Avoid LDA=LDB=LDU=LDV=LDQ=0 to test input error checking</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/eig/derrgg.f">LAPACK/TESTING/EIG/derrgg.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/eig/cerrgg.f">LAPACK/TESTING/EIG/cerrgg.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/testing/eig/zerrgg.f">LAPACK/TESTING/EIG/zerrgg.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/Makefile">LAPACK/TIMING/Makefile</a></td>
<td valign="left">10/9/2000</td>
<td valign="left">Added ./ for running executables</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/sbdsqr.f">LAPACK/TIMING/EIG/EIGSRC/sbdsqr.f</a></td>
<td valign="left">4/25/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/dbdsqr.f">LAPACK/TIMING/EIG/EIGSRC/dbdsqr.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/cbdsqr.f">LAPACK/TIMING/EIG/EIGSRC/cbdsqr.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/zbdsqr.f">LAPACK/TIMING/EIG/EIGSRC/zbdsqr.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/sgghrd.f">LAPACK/TIMING/EIG/EIGSRC/sgghrd.f</a></td>
<td valign="left">4/26/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/dgghrd.f">LAPACK/TIMING/EIG/EIGSRC/dgghrd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/cgghrd.f">LAPACK/TIMING/EIG/EIGSRC/cgghrd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/zgghrd.f">LAPACK/TIMING/EIG/EIGSRC/zgghrd.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/shgeqz.f">LAPACK/TIMING/EIG/EIGSRC/shgeqz.f</a></td>
<td valign="left">5/3/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/dhgeqz.f">LAPACK/TIMING/EIG/EIGSRC/dhgeqz.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/chgeqz.f">LAPACK/TIMING/EIG/EIGSRC/chgeqz.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/zhgeqz.f">LAPACK/TIMING/EIG/EIGSRC/zhgeqz.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/stgevc.f">LAPACK/TIMING/EIG/EIGSRC/stgevc.f</a></td>
<td valign="left">5/3/2001</td>
<td valign="left">Removed erroneous HOWMNY='T' in input error-checking and documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/dtgevc.f">LAPACK/TIMING/EIG/EIGSRC/dtgevc.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/ctgevc.f">LAPACK/TIMING/EIG/EIGSRC/ctgevc.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/ztgevc.f">LAPACK/TIMING/EIG/EIGSRC/ztgevc.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/strevc.f">LAPACK/TIMING/EIG/EIGSRC/strevc.f</a></td>
<td valign="left">5/7/2001</td>
<td valign="left">Documentation improvement</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/dtrevc.f">LAPACK/TIMING/EIG/EIGSRC/dtrevc.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/ctrevc.f">LAPACK/TIMING/EIG/EIGSRC/ctrevc.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/eig/eigsrc/ztrevc.f">LAPACK/TIMING/EIG/EIGSRC/ztrevc.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/lin/linsrc/sgelsd.f">LAPACK/TIMING/LIN/LINSRC/sgelsd.f</a></td>
<td valign="left">10/4/2002</td>
<td valign="left">Inserted missing instrumentation code, and corrected declaration of WLALSD</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/lin/linsrc/dgelsd.f">LAPACK/TIMING/LIN/LINSRC/dgelsd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/lin/linsrc/cgelsd.f">LAPACK/TIMING/LIN/LINSRC/cgelsd.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/lin/linsrc/zgelsd.f">LAPACK/TIMING/LIN/LINSRC/zgelsd.f</a></td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/lin/linsrc/sgelss.f">LAPACK/TIMING/LIN/LINSRC/sgelss.f</a></td>
<td valign="left">4/25/2001</td>
<td valign="left">Corrected error with LQUERY and setting of WORK(1), and bug in DO 40 loop</td>
</tr>
<tr>
<td valign="left"><a href="/lapack/patch/timing/lin/linsrc/dgelss.f">LAPACK/TIMING/LIN/LINSRC/dgelss.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/lin/linsrc/cgelss.f">LAPACK/TIMING/LIN/LINSRC/cgelss.f</a></td>
</tr>
<td valign="left"><a href="/lapack/patch/timing/lin/linsrc/zgelss.f">LAPACK/TIMING/LIN/LINSRC/zgelss.f</a></td>
</tr>
</table>
<p>

<hr>
<H2>Details of existing software updates</H2>
<p>
 UPDATES (Version 3.0)  October 31, 1999 and May 31, 2000
</p>
The modifications listed below are included in the file:
<a href="http://www.netlib.org/lapack/update.tgz">http://www.netlib.org/lapack/update.tgz</a>
as well as the <a href="http://www.netlib.org/lapack/lapack.tgz">http://www.netlib.org/lapack/lapack.tgz</a>.
<p>
 Note: Unless otherwise stated, changes to single precision routines (names
 beginning with S or C) apply also to the corresponding double precision
 routines (names beginning with D and Z).
<p>
 To view/download individual updated files from this list, please consult
 the individual files on netlib.
<br>
<a href="http://www.netlib.org/lapack/single/">http://www.netlib.org/lapack/single</a><br>
<a href="http://www.netlib.org/lapack/double/">http://www.netlib.org/lapack/double</a><br>
<a href="http://www.netlib.org/lapack/complex/">http://www.netlib.org/lapack/complex</a><br>
<a href="http://www.netlib.org/lapack/complex16/">http://www.netlib.org/lapack/complex16</a>
<pre> 
 -------------  -------    --------------------------
 DIRECTORY      ROUTINE    DESCRIPTION OF CHANGE
 -------------  -------    --------------------------
 LAPACK/        Makefile   Added ./ for executables

 LAPACK/
 BLAS/TESTING/  cblat3.f   Missing CMPLX intrinsic in assignment statement
                           Lines 1995-1996
                           ALPHA = ( ONE, -ONE )
                           BETA = ( TWO, -TWO )
                           should be 
                           ALPHA = CMPLX( ONE, -ONE )
                           BETA = CMPLX( TWO, -TWO )
 SRC/
               Makefile    Move slarrb.o, slarre.o, and slarrf.o to SCLAUX
                           Move dlarrb.o, dlarre.o, and dlarrf.o to DZLAUX

               cheevr.f    Line 310 should instead be
                           RWORK(1) = LRWMIN

               chetd2.f    Error in zero'ing of imaginary parts of diagonal
                           elements
                                            
               chbgvd.f    Incorrect workspace calculation for LLWK2 and
                           LLRWK when N=1. 

               chpgvd.f    Missing LQUERY return

               cstegr.f    Replace SSTEGR->CSTEGR in call to XERBLA

               sbdsdc.f    Workspace correction
                           Line 113, 2*N --> 4*N
                           Documentation correction IWORK dimension

               sbdsqr.f/   Workspace correction
               cbdsqr.f    Line 99, 2*N --> 4*N

               sgeev.f     Corrected error with LQUERY and WORK(1)

               sgelsd.f/   Leading comment correction for A and LWORK and
               cgelsd.f    workspace correction
 
               sgelss.f/   Workspace correction
                          Line 178, 5*N-4 --> 5*N
                          Line 194, 5*M-4 --> 5*M
               cgelss.f    Workspace correction
                          Line 95, 5*MIN(M,N)-1 --> 5*MIN(M,N)
                          Line 174, 5*N-1 --> 5*N
                          Line 204, 5*M-1 --> 5*M
                          Line 224, 5*M-1 --> 5*M

               sgesdd.f/  Possible MAXWRK uninitialized and
               cgesdd.f   and LWORK=-1 query insertion

               sgesvd.f/  Workspace correction in comments
                          Line 118, 5*MIN(M,N)-4 --> 5*MIN(M,N)
                          Line 217, MAX(3*N,5*N-4) --> 5*N
                          Line 390, MAX(3*M,5*M-4) --> 5*M
               cgesvd.f   Workspace correction in comments
                          Line 123, MAX(3*MIN(M,N),5*MIN(M,N)-4) --> 5*MIN(M,N)
                          Line 224, MAX(3*N,5*N-4) --> 5*N
                          Line 386, MAX(3*M,5*M-4) --> 5*M

               sgtsv.f    Leading comment correction for B

               slaed2.f   Error in routine name passed to XERBLA

               slaed4.f   Corrected error in rootfinding

               slals0.f/  Out-of-range array reference
               clals0.f

               slalsd.f/  Leading comment correction for LWORK and a
               clalsd.f   call to SLASRT was added

               slarzb.f/  Out-of-range array reference
               clarzb.f

               slasd2.f   Fix out-of-range memory reference when N=0

               slasd3.f   Fix out-of-range memory reference when N=0

               slasd4.f   Cray compiler workaround on lines 596-597 and 607-608

               slasda.f   Leading comment correction for size of WORK

               slasdq.f   Workspace correction
                          Line 115, max(1,4*N-4) --> 4*N
                          and incorrect routine name passed to XERBLA

               slasq1.f   Workspace correction
                          Line 53, 2*N --> 4*N
                          and modifications for IEEE

               slasq2.f   Fix out-of-range error for N=1 and modifications
                          for IEEE

               slasq3.f   Modifications for IEEE and index correction
                          I0-->N0 on line 193

               slasq4.f   Modifications for IEEE
               slasq5.f   Modifications for IEEE
               slasq6.f   Modifications for IEEE 

               sormrz.f   Missing LQUERY return

               spteqr.f/  Workspace correction
               cpteqr.f   Line 78, 2*N --> 4*N

               sstevr.f   Documentation correction and call to SSTEGR

               ssyevr.f/  Documentation correction and call to SSTEGR
               cheevr.f

 TESTING/
               Makefile   Added ./ for executables

               sgd.in/    Fixed NSIZE line for xGX
               cgd.in     Replace line 18 with
                   5              Largest matrix dimension (0 <= NSIZE <= 5)

 TESTING/MATGEN/
               slatm6.f   Modification for SGESVD workspace change

 TESTING/LIN/
               schkgb.f/  Missing integer item in 9996 FORMAT statement
               cchkgb.f

               schkge.f/  Correction to FORMAT statements
               cchkge.f

               schkpb.f/  Removal of XTYPE='C' line
               cchkpb.f

               schkpo.f/  Removal of XTYPE='C' line
               cchkpo.f

               schkpp.f/  Removal of XTYPE='C' line
               cchkpp.f

               schksp.f/  Removal of XTYPE='C' line
               cchksp.f

               schksy.f/  Removal of XTYPE='C' line
               cchksy.f

               schktb.f/  Correction to FORMAT statements
               cchktb.f

               schktp.f/  Correction to FORMAT statements
               cchktp.f

               schktr.f/  Correction to FORMAT 9999 and 9998 statements
               cchktr.f

               sdrvls.f/  Correction to argument passed to INTRINSIC and
               cdrvls.f   remove a call to SLASRT in TEST 15;
                          Correction to leading comments (IWORK) 

 TESTING/EIG/
               schkhs.f   Fixed out-of-range error for N=0

               sdrgsx.f/  BDSPAC correction for xGESVD workspace and
               cdrgsx.f   initialize IFUNC = 0

               sdrvbd.f/  IWTMP correction for xGESVD workspace
               cdrvbd.f
        
               sdrvst.f/  Out-of-range array reference.
               cdrvst.f

               cerrbd.f   Correction to summary line
    
               serred.f/  Correction to summary line
               cerred.f

 TIMING/
               Makefile    Erroneous sgeptim.in instead of SGEPTIM.in on
                           line 253

 TIMING/LIN/
               stimls.f/   Correction to size of LWORK for xGELSD
               ctimls.f

               stimq3.f/   Correction Q3->QP before ATIMIN call
               ctimq3.f

 TIMING/LIN/LINSRC/
               sgelsd.f/   Same correction as in SRC
               cgelsd.f

               sgelss.f/   Same correction as in SRC
               cgelss.f

               slals0.f/   Same correction as in SRC
               clals0.f

               slalsd.f/   Same correction as in SRC
               clalsd.f

 TIMING/EIG/
               stim22.f/   Disable timing of SSTEGR if non-IEEE-754 compliant
               ctim22.f

 TIMING/EIG/EIGSRC/
               sbdsdc.f    Same correction as in SRC

               sbdsqr.f/   Same correction as in SRC
               cbdsqr.f

               sgesdd.f/   Same correction as in SRC
               cgesdd.f

               slaed2.f    Same correction as in SRC

               slasd2.f    Same correction as in SRC
               slasd3.f    Same correction as in SRC
               slasd4.f    Same correction as in SRC

               slasdq.f    Same correction as in SRC

               slasq1.f    Same correction as in SRC
               slasq2.f    Same correction as in SRC
               slasq3.f    Same correction as in SRC
               slasq4.f    Same correction as in SRC
               slasq5.f    Same correction as in SRC
               slasq6.f    Same correction as in SRC

               spteqr.f/   Same correction as in SRC
               cpteqr.f
</pre>
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