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<p class="MsoNormal">Hello everyone<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am studying CBC currently, and trying to run examples which are included in the source. I have a minor doubt about the minimum.cpp<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:NSimSun"> OsiClpSolverInterface solver1;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:NSimSun"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:NSimSun">
<span style="color:green">// Read in example model in MPS file format</span><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:NSimSun">
<span style="color:green">// and assert that it is a clean model</span><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:NSimSun">
<span style="color:blue">int</span> numMpsReadErrors = solver1.readMps(<span style="color:#A31515">"D:/CBC/Cbc-2.9.2/Data/Sample/p0033.mps"</span>,<span style="color:#A31515">""</span>);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:NSimSun"> assert(numMpsReadErrors==0);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:NSimSun"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:NSimSun">
<span style="color:green">// Pass the solver with the problem to be solved to CbcModel
</span><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:NSimSun"> CbcModel model(solver1);<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">After reading the model file, then <span style="font-size:9.5pt;font-family:NSimSun">
CbcModel model(solver1) is used to set up the model. However, how does the model know which variables are integer.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:NSimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:NSimSun">I tried to find out the initialization of the integer variables in the source, but I failed. Could somebody give a hint about the initialization of the integer variables after reading the
Mps file.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:NSimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:NSimSun">Best Wishes<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:NSimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:NSimSun">Zhi WU<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:NSimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:NSimSun">Univesity of Birmingham</span><o:p></o:p></p>
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