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<p>Hi Paul,</p>
<p>The line "<span
style="font-family:"Monospaced","serif";color:black;mso-fareast-language:FR"
lang="EN-US">k</span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US">
<span style="color:#5C5C5C">=</span> <span
style="color:#4A55DB">[</span><span style="color:rosybrown">1</span><span
style="color:#FFAA00">:</span><span style="color:black">n</span><span
style="color:#4A55DB">]</span><span style="color:#5C5C5C">'.*.</span><span
style="color:#32B9B9">ones</span><span style="color:#4A55DB">(</span><span
style="color:black">n,</span><span style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:black">;"
intends to produce a 50001x50001 (total 2.5 billion) matrix,
which goes over the int32 limit of 2147483647 </span></span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US"><span style="color:black"><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US"><span style="color:black">(2.147 billion)</span></span>,
that provokes the inner sizes to wrap and become negative,
leading to the crash.<br>
</span></span></p>
<p><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US"><span style="color:black">If you try </span></span><span
style="font-family:"Monospaced","serif";color:black;mso-fareast-language:FR"
lang="EN-US">k</span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US">
<span style="color:#5C5C5C">=</span> <span
style="color:#4A55DB">[</span><span style="color:rosybrown">1</span><span
style="color:#FFAA00">:</span><span style="color:black">n/2</span><span
style="color:#4A55DB">]</span><span style="color:#5C5C5C">'.*.</span><span
style="color:#32B9B9">ones</span><span style="color:#4A55DB">(</span><span
style="color:black">n/2,</span><span style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:black">; it
will work but eat up your ram. If you try it a few times a
message will say "Can not allocate 'XXX' MB memory." because
it can still deal with such sizes.</span></span></p>
<p><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US"><span style="color:black">So are you sure about
what you want to do?</span></span></p>
<p><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US"><span style="color:black">In the future when you
get crashes, please report them on the <a
href="http://bugzilla.scilab.org/">bugzilla</a>.<br>
</span></span></p>
<p><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US"><span style="color:black">Thank you,</span></span></p>
<p><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US"><span style="color:black">Best regards,</span></span></p>
<p><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US"><span style="color:black">Paul<br>
</span></span></p>
<p><br>
</p>
<div class="moz-cite-prefix">On 09/28/2016 03:34 PM, Carrico, Paul
wrote:<br>
</div>
<blockquote
cite="mid:3A6B7233274DB449A2A0053A47684F953F7180FB@BGS-EX01.auxitrol.ad"
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<div class="WordSection1">
<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Here is a feedback of a
crash of scilab 6.00 beta2; I used the code here bellow on
a 32 Go CentOS 7 machine.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal">Ligne 951 : 2650 Erreur de segmentation
(core dumped) ‘’$SCILABBIN’’ ‘’$@’’<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black;mso-fareast-language:FR">t</span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR">
<span style="color:#5C5C5C">=</span> <span
style="color:#4A55DB">[</span><span
style="color:rosybrown">0</span><span
style="color:#FFAA00">:</span><span
style="color:rosybrown">2e-5</span><span
style="color:#FFAA00">:</span><span
style="color:rosybrown">1</span><span
style="color:#4A55DB">]</span><span style="color:#5C5C5C">'</span><span
style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black;mso-fareast-language:FR">n</span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR">
<span style="color:#5C5C5C">=</span> <span
style="color:#32B9B9">size</span><span
style="color:#4A55DB">(</span><span style="color:black">t,</span><span
style="color:rosybrown">"*"</span><span
style="color:#4A55DB">)</span><span style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black;mso-fareast-language:FR">X</span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR">
<span style="color:#5C5C5C">=</span> <span
style="color:#32B9B9">zeros</span><span
style="color:#4A55DB">(</span><span style="color:black">n,</span><span
style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black;mso-fareast-language:FR"
lang="EN-US">k</span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US">
<span style="color:#5C5C5C">=</span> <span
style="color:#4A55DB">[</span><span
style="color:rosybrown">1</span><span
style="color:#FFAA00">:</span><span style="color:black">n</span><span
style="color:#4A55DB">]</span><span style="color:#5C5C5C">'.*.</span><span
style="color:#32B9B9">ones</span><span
style="color:#4A55DB">(</span><span style="color:black">n,</span><span
style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black;mso-fareast-language:FR"
lang="EN-US">m</span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US">
<span style="color:#5C5C5C">=</span> <span
style="color:#32B9B9">ones</span><span
style="color:#4A55DB">(</span><span style="color:black">n,</span><span
style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:#5C5C5C">.*.</span><span
style="color:#4A55DB">[</span><span
style="color:rosybrown">1</span><span
style="color:#FFAA00">:</span><span style="color:black">n</span><span
style="color:#4A55DB">]</span><span style="color:#5C5C5C">'</span><span
style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black;mso-fareast-language:FR"
lang="EN-US">nl</span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR"
lang="EN-US">
<span style="color:#5C5C5C">=</span> <span
style="color:#32B9B9">size</span><span
style="color:#4A55DB">(</span><span style="color:black">m,</span><span
style="color:rosybrown">"*"</span><span
style="color:#4A55DB">)</span><span style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Monospaced","serif";color:black;mso-fareast-language:FR">tmp</span><span
style="font-family:"Monospaced","serif";mso-fareast-language:FR">
<span style="color:#5C5C5C">=</span> <span
style="color:#32B9B9">zeros</span><span
style="color:#4A55DB">(</span><span style="color:black">nl,</span><span
style="color:rosybrown">1</span><span
style="color:#4A55DB">)</span><span style="color:black">;</span><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Paul<o:p></o:p></p>
<p><b><i><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:gray">EXPORT
CONTROL :
<br>
</span></i></b><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Cet
email ne contient pas de données techniques<br>
This email does not contain technical data</span></b><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<pre class="moz-signature" cols="72">--
Paul BIGNIER
Development engineer
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Scilab Enterprises
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Phone: +33.1.80.77.04.68
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