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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I haven’t worked on it for many years, but it still works and I do try to answer in case there are questions.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cheers, Tim<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> flopcpp-bounces@list.coin-or.org [mailto:flopcpp-bounces@list.coin-or.org] <b>On Behalf Of </b>Alan King<br><b>Sent:</b> Thursday, February 26, 2015 6:58 PM<br><b>To:</b> flopcpp@list.coin-or.org<br><b>Subject:</b> Re: [FlopCpp] FlopCpp Digest, Vol 51, Issue 1<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hi Antonello</span><br><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Flopcpp is basically archived. Tim Hultberg stopped working on it a while ago.</span><br><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Your question might get a response if you posted it in the clp forum.</span><br><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Alan<br><br>-------------------------------------------------------<br>Alan King <br>Research Staff Member<br>Business Solutions & Mathematical Sciences<br>IBM Thomas J. Watson Research Center<br>914 945 1236 (o) 914 260 9888 (m)<br><br></span><br><br><img width=16 height=16 id="_x0000_i1025" src="cid:image001.gif@01D05264.89124EB0" alt="Inactive hide details for flopcpp-request---2015-02-26 12:34:04 PM---Send FlopCpp mailing list submissions to flopcpp@list.coi"><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#424282'>flopcpp-request---2015-02-26 12:34:04 PM---Send FlopCpp mailing list submissions to <a href="mailto:flopcpp@list.coin-or.org">flopcpp@list.coin-or.org</a></span><br><br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>From: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'><a href="mailto:flopcpp-request@list.coin-or.org">flopcpp-request@list.coin-or.org</a></span><br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>To: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'><a href="mailto:flopcpp@list.coin-or.org">flopcpp@list.coin-or.org</a></span><br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>Date: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>2015-02-26 12:34 PM</span><br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>Subject: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>FlopCpp Digest, Vol 51, Issue 1</span><br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>Sent by: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'><a href="mailto:flopcpp-bounces@list.coin-or.org">flopcpp-bounces@list.coin-or.org</a></span><o:p></o:p></p><div class=MsoNormal><hr size=2 width="100%" noshade style='color:#8091A5' align=left></div><p class=MsoNormal style='margin-bottom:12.0pt'><br><br><br><tt><span style='font-size:10.0pt'>Send FlopCpp mailing list submissions to</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br><tt><a href="mailto:flopcpp@list.coin-or.org">flopcpp@list.coin-or.org</a></tt><br><br><tt>To subscribe or unsubscribe via the World Wide Web, visit</tt><br><tt><a href="http://list.coin-or.org/mailman/listinfo/flopcpp">http://list.coin-or.org/mailman/listinfo/flopcpp</a></tt><br><tt>or, via email, send a message with subject or body 'help' to</tt><br><tt><a href="mailto:flopcpp-request@list.coin-or.org">flopcpp-request@list.coin-or.org</a></tt><br><br><tt>You can reach the person managing the list at</tt><br><tt><a href="mailto:flopcpp-owner@list.coin-or.org">flopcpp-owner@list.coin-or.org</a></tt><br><br><tt>When replying, please edit your Subject line so it is more specific</tt><br><tt>than "Re: Contents of FlopCpp digest..."</tt><br><br><br><tt>Today's Topics:</tt><br><br><tt> 1. How to compile examples? (Antonello Lobianco (not reply))</tt><br><tt> 2. Is this project still alive ? (Antonello Lobianco (not reply))</tt><br><br><br><tt>----------------------------------------------------------------------</tt><br><br><tt>Message: 1</tt><br><tt>Date: Thu, 26 Feb 2015 14:23:25 +0100</tt><br><tt>From: "Antonello Lobianco (not reply)" <<a href="mailto:blackhole@lobianco.org">blackhole@lobianco.org</a>></tt><br><tt>To: <a href="mailto:flopcpp@list.coin-or.org">flopcpp@list.coin-or.org</a></tt><br><tt>Subject: [FlopCpp] How to compile examples?</tt><br><tt>Message-ID:</tt><br><tt><<a href="mailto:CAOibvJHAjGyu2N=T-nT906EUhcqoxEHELg_SJa5zq0U1zRa2nA@mail.gmail.com">CAOibvJHAjGyu2N=T-nT906EUhcqoxEHELg_SJa5zq0U1zRa2nA@mail.gmail.com</a>></tt><br><tt>Content-Type: text/plain; charset="utf-8"</tt><br><br><tt>Hello to all.</tt><br><tt>I just installed FlopC++ in Linux (Ubuntu 14:04 64 bit if that matter)</tt><br><tt>using prefix=/usr in configure.</tt><br><tt>Running "make test" seems to work without issues.</tt><br><br><tt>I am now trying to get a independent manual compilation of the</tt><br><tt>transport.cpp example[1] but I end up with a serie of undefined references</tt><br><tt>from ld.</tt><br><br><tt>The command I run to try to compile transport.cpp is:</tt><br><br><tt>g++ -I /usr/include/coin transport.cpp -lCoinUtils -lOsi -lClp</tt><br><tt>-lClpSolver -lOsiClp -lOsiCommonTests -lCbc -lCbcSolver -lCgl -lOsiCbc</tt><br><tt>-lFlopCpp -o transport</tt><br><br><tt>The output is:</tt><br><tt>lobianco@lobianco-officeLaptopLatitude:~/temp/flop++$ g++ -I</tt><br><tt>/usr/include/coin transport.cpp -lCoinUtils -lOsi -lClp -lClpSolver</tt><br><tt>-lOsiClp -lOsiCommonTests -lCbc -lCbcSolver -lCgl -lOsiCbc -lFlopCpp -o</tt><br><tt>transport</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpSimplex::deleteRim(int)'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpSimplex::setInfeasibilityCost(double)'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpSimplex::cleanup(int)'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpSimplex::loadProblem(ClpMatrixBase const&, double const*,</tt><br><tt>double const*, double const*, double const*, double const*, double const*)'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpPresolve::~ClpPresolve()'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `OsiSolverInterface::reducedCostFix(double, bool)'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpSimplex::checkSolutionInternal()'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpModel::times(double, double const*, double*) const'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpSimplex::checkPrimalSolution(double const*, double const*)'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpSolve::operator=(ClpSolve const&)'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `OsiSolverInterface::getRowNames()'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `OsiRowCut::ub() const'</tt><br><tt>[...]</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpNodeStuff::zap(int)'</tt><br><tt>/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined</tt><br><tt>reference to `ClpSimplex::resize(int, int)'</tt><br><tt>collect2: error: ld returned 1 exit status</tt><br><br><tt>Also, I have installed on my system glpk. Is there any significant gain in</tt><br><tt>using glpk vs OsiClp as backend solver engine ? If so, how should I change</tt><br><tt>the compilation command and the c++ source in order to use glpk ?</tt><br><br><tt>Many thanks,</tt><br><tt> Antonello Lobianco, Laboratoire d'Economie Foresti?re, Nancy</tt><br><br><tt>[1]</tt><br><tt><a href="https://projects.coin-or.org/svn/FlopC++/stable/1.2/FlopCpp/examples/transport.cpp">https://projects.coin-or.org/svn/FlopC++/stable/1.2/FlopCpp/examples/transport.cpp</a></tt><br><br><br><tt>-- </tt><br><tt>Antonello Lobianco</tt><br><tt>Spedito da un indirizzo non presenziato - Sent from an unattended account</tt><br><tt>-------------- next part --------------</tt><br><tt>An HTML attachment was scrubbed...</tt><br><tt>URL: <<a href="http://list.coin-or.org/pipermail/flopcpp/attachments/20150226/ee5d6013/attachment-0001.html">http://list.coin-or.org/pipermail/flopcpp/attachments/20150226/ee5d6013/attachment-0001.html</a>></tt><br><br><tt>------------------------------</tt><br><br><tt>Message: 2</tt><br><tt>Date: Thu, 26 Feb 2015 14:55:59 +0100</tt><br><tt>From: "Antonello Lobianco (not reply)" <<a href="mailto:blackhole@lobianco.org">blackhole@lobianco.org</a>></tt><br><tt>To: flopcpp <<a href="mailto:flopcpp@list.coin-or.org">flopcpp@list.coin-or.org</a>></tt><br><tt>Subject: [FlopCpp] Is this project still alive ?</tt><br><tt>Message-ID:</tt><br><tt><<a href="mailto:CAOibvJFtPHYE12rYFGBOxwDU5YwqYVonsj=jSmt3t90wvEyyUg@mail.gmail.com">CAOibvJFtPHYE12rYFGBOxwDU5YwqYVonsj=jSmt3t90wvEyyUg@mail.gmail.com</a>></tt><br><tt>Content-Type: text/plain; charset="utf-8"</tt><br><br><tt>Hello,</tt><br><tt>I was planning to start a new project using FlopC++ but I wander if this</tt><br><tt>project is still alove.. I see that a new version has been just released,</tt><br><tt>but the mailing list is dead by several years.. is there some other way to</tt><br><tt>comunicate, e.g. is there a google group or a forum that it's not linked</tt><br><tt>from the project page ?</tt><br><br><tt>Regards,</tt><br><tt> Antonello Lobianco</tt><br><br><tt>-- </tt><br><tt>Antonello Lobianco</tt><br><tt>Spedito da un indirizzo non presenziato - Sent from an unattended account</tt><br><tt>-------------- next part --------------</tt><br><tt>An HTML attachment was scrubbed...</tt><br><tt>URL: <<a href="http://list.coin-or.org/pipermail/flopcpp/attachments/20150226/b9398de7/attachment-0001.html">http://list.coin-or.org/pipermail/flopcpp/attachments/20150226/b9398de7/attachment-0001.html</a>></tt><br><br><tt>------------------------------</tt><br><br><tt>_______________________________________________</tt><br><tt>FlopCpp mailing list</tt><br><tt><a href="mailto:FlopCpp@list.coin-or.org">FlopCpp@list.coin-or.org</a></tt><br><tt><a href="http://list.coin-or.org/mailman/listinfo/flopcpp">http://list.coin-or.org/mailman/listinfo/flopcpp</a></tt><br><br><br><tt>End of FlopCpp Digest, Vol 51, Issue 1</tt><br><tt>**************************************</tt><br><br></span><o:p></o:p></p></div><br clear="both">
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