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<p class="MsoNormal"><span style="color:#1F497D">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I was able to reduce it tot he following:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">#include <CglCutGenerator.hpp><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">#include <OsiSolverInterface.hpp><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">#include <OsiClpSolverInterface.hpp><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">#include <iostream><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">#include <CbcModel.hpp><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">class CustomCutGenerator : public CglCutGenerator<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">{<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">public:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> CustomCutGenerator() {}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> CustomCutGenerator(const CustomCutGenerator &)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> virtual ~CustomCutGenerator()<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> CustomCutGenerator &<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> operator=(<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> const CustomCutGenerator& rhs) {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> return *this;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> std::string generateCpp(FILE* file) override<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> return "foo";<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> void generateCuts(const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info = CglTreeInfo()) override<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> CglCutGenerator* clone() const override<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> return new CustomCutGenerator(*this);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">};<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">int main(int argc, char* argv[])<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">{<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> std::cout << "foo" << std::endl;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> OsiClpSolverInterface solver1;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> int numMpsReadErrors = solver1.readMps("noswot","mps");<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> if (numMpsReadErrors != 0)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> std::cout << "read model failed" << std::endl;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> return 1;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> CbcModel* model = new CbcModel(solver1);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> CustomCutGenerator cutGenerator;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> // this is the critical line. comment out and it works<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> model->addCutGenerator(&cutGenerator);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> OsiClpSolverInterface* solver = dynamic_cast<OsiClpSolverInterface*>(model->solver());<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> CbcMain0(*model);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> const char * argv2[] = { "driver4", "-solve", "-quit" };<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> CbcMain1(3, argv2, *model);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> return 0;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">My next step: try to build it under linux and see what valgrind says – hopefully tomorrow.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Tobias<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="color:windowtext;mso-fareast-language:DE">Von:</span></b><span style="color:windowtext;mso-fareast-language:DE"> Cbc [mailto:cbc-bounces@coin-or.org]
<b>Im Auftrag von </b>John Forrest<br>
<b>Gesendet:</b> Dienstag, 10. Mai 2016 14:57<br>
<b>An:</b> cbc@list.coin-or.org<br>
<b>Betreff:</b> Re: [Cbc] defining a custom cut generator<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">Tobias,<br>
<br>
Odd. By default the variable switchOffIfLessThan_ in a CbcCutGenerator is zero. This means that you would not get to 9401 as it would fail test -<br>
<br>
if (generator_[i]->switchOffIfLessThan() < 0) {<br>
<br>
at line 9398.<br>
<br>
What value is switchOffIfLessThan_ when assert happens? You do not reference CbcCutGenerator so how is the generator being added to CbcModel?<br>
<br>
John Forrest<br>
<br>
On 10/05/16 13:02, Tobias Stengel wrote:<span style="font-size:12.0pt;mso-fareast-language:DE"><o:p></o:p></span></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I am trying to define my on cut generator. My test problem is noswot problem from miplib 3. When I add the following generator (reduced from my generator) to my model, the assert „<span style="font-size:9.5pt;font-family:Consolas;color:#6F008A;background:white;mso-highlight:white">assert</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
(iSwitch >= 0 && iSwitch < 2);</span><span style="font-size:9.5pt;font-family:Consolas">“ in CbcModel.cpp, line 9401 fails. If compiled in release mode (turning asserts off), the correct solution is found.</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">::CustomCutGenerator() :
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CglCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">() { }</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">::CustomCutGenerator(</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> &
</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">other</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">) {}</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">::~CustomCutGenerator()</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> {}</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> std::</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">string</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">::generateCpp(</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">FILE</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">*
</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">file</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">)</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> {</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#A31515;background:white;mso-highlight:white">"customCutGenerator"</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> }</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">void</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">::generateCuts(</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">OsiSolverInterface</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> &</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">si</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">,
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">OsiCuts</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> &</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">cs</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">,
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CglTreeInfo</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">info</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">)</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> {}</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CglCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">*
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">::clone()
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> {</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">new</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">();</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> }</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> &
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">::operator=(</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">&
</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">rhs</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">) {</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> *</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">this</span><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> }</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;background:white;mso-highlight:white">CustomCutGenerator implements
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CglCutGenerator. Any help why this happens and/or how to fix it would be welcomed. Especially since the user guide chapter on cuts is empty. Feel free
to ask for more information.</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">I am using Cbc 2.9.8 and Microsoft visual C++ 2013.</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">Thanks</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">Tobias</span><o:p></o:p></p>
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<br>
<br>
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<pre>_______________________________________________<o:p></o:p></pre>
<pre>Cbc mailing list<o:p></o:p></pre>
<pre><a href="mailto:Cbc@list.coin-or.org">Cbc@list.coin-or.org</a><o:p></o:p></pre>
<pre><a href="http://list.coin-or.org/mailman/listinfo/cbc">http://list.coin-or.org/mailman/listinfo/cbc</a><o:p></o:p></pre>
</blockquote>
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