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If you enable that delete of the osi object in the CoinCbc.cpp<br>
<pre>
it should not leak memory. I could not get an answer from anyone why this line was commented out.
void CbcClearSolverObject(HCBC hCbc)
438 {
439 PCBC pCbc = (PCBC)hCbc;
440 if (!pCbc) {
441 return;
442 }
443 if (pCbc->clp) delete pCbc->clp;
444 if (pCbc->clp_presolve) delete pCbc->clp_presolve;
445 <font color="#ff0000"> //if (pCbc->osi) delete pCbc->osi;</font>
446 if (pCbc->cbc) delete pCbc->cbc;
447
448 if (pCbc->msghandler) delete pCbc->msghandler;
449 if (pCbc->iterhandler) delete pCbc->iterhandler;
450 if (pCbc->nodehandler) delete pCbc->nodehandler;
451
452 free(pCbc);
453 }
</pre>
<div class="moz-cite-prefix">On 11/07/2014 6:24 PM, Jean-Philippe
Chancelier wrote:<br>
</div>
<blockquote cite="mid:20140711.102407.243431311.jpc@cermics.enpc.fr"
type="cite">
<pre wrap="">
Miles> Hi Jean-Philippe,
Miles> CbcCreateSolverObject() is part of CoinMP, which is a separate
Miles> project from Cbc. I would suggest that you report the issue to the
Miles> developer of CoinMP, but it seems like it was already reported more
Miles> than two years ago:
Miles> <a class="moz-txt-link-freetext" href="http://list.coin-or.org/pipermail/coinmp/2012-February/000029.html">http://list.coin-or.org/pipermail/coinmp/2012-February/000029.html</a>.
Miles> Anyway, you may be interested in the new C interface to Cbc which is
Miles> under development and is soon to be released as part of Cbc
Miles> proper. It's designed to be much more lightweight than
Miles> CoinMP. Currently it's available in svn trunk:
Miles> <a class="moz-txt-link-freetext" href="https://projects.coin-or.org/Cbc/browser/trunk/Cbc/src/Cbc_C_Interface.h">https://projects.coin-or.org/Cbc/browser/trunk/Cbc/src/Cbc_C_Interface.h</a>.
Miles> (Feedback would be greatly appreciated!)
Hi Miles,
I'll take a look at this new interface.
My aim was to add wrappers to use clp and cbc from nsp,
a matlab like software. It works fo LP and QP using clp
c-interface and for MILP using coinMP interface (found that
direct call to cbc was too complex for me).
Regards
jpc
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</pre>
</blockquote>
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