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<p><font size="2" face="sans-serif">Hi Antonello</font><br>
<br>
<font size="2" face="sans-serif">Flopcpp is basically archived. Tim Hultberg stopped working on it a while ago.</font><br>
<br>
<font size="2" face="sans-serif">Your question might get a response if you posted it in the clp forum.</font><br>
<br>
<font size="2" face="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>
</font><br>
<br>
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<font size="1" color="#5F5F5F" face="sans-serif">From: </font><font size="1" face="sans-serif">flopcpp-request@list.coin-or.org</font><br>
<font size="1" color="#5F5F5F" face="sans-serif">To: </font><font size="1" face="sans-serif">flopcpp@list.coin-or.org</font><br>
<font size="1" color="#5F5F5F" face="sans-serif">Date: </font><font size="1" face="sans-serif">2015-02-26 12:34 PM</font><br>
<font size="1" color="#5F5F5F" face="sans-serif">Subject: </font><font size="1" face="sans-serif">FlopCpp Digest, Vol 51, Issue 1</font><br>
<font size="1" color="#5F5F5F" face="sans-serif">Sent by: </font><font size="1" face="sans-serif">flopcpp-bounces@list.coin-or.org</font><br>
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Today's Topics:<br>
<br>
1. How to compile examples? (Antonello Lobianco (not reply))<br>
2. Is this project still alive ? (Antonello Lobianco (not reply))<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Thu, 26 Feb 2015 14:23:25 +0100<br>
From: "Antonello Lobianco (not reply)" <blackhole@lobianco.org><br>
To: flopcpp@list.coin-or.org<br>
Subject: [FlopCpp] How to compile examples?<br>
Message-ID:<br>
<CAOibvJHAjGyu2N=T-nT906EUhcqoxEHELg_SJa5zq0U1zRa2nA@mail.gmail.com><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Hello to all.<br>
I just installed FlopC++ in Linux (Ubuntu 14:04 64 bit if that matter)<br>
using prefix=/usr in configure.<br>
Running "make test" seems to work without issues.<br>
<br>
I am now trying to get a independent manual compilation of the<br>
transport.cpp example[1] but I end up with a serie of undefined references<br>
from ld.<br>
<br>
The command I run to try to compile transport.cpp is:<br>
<br>
g++ -I /usr/include/coin transport.cpp -lCoinUtils -lOsi -lClp<br>
-lClpSolver -lOsiClp -lOsiCommonTests -lCbc -lCbcSolver -lCgl -lOsiCbc<br>
-lFlopCpp -o transport<br>
<br>
The output is:<br>
lobianco@lobianco-officeLaptopLatitude:~/temp/flop++$ g++ -I<br>
/usr/include/coin transport.cpp -lCoinUtils -lOsi -lClp -lClpSolver<br>
-lOsiClp -lOsiCommonTests -lCbc -lCbcSolver -lCgl -lOsiCbc -lFlopCpp -o<br>
transport<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpSimplex::deleteRim(int)'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpSimplex::setInfeasibilityCost(double)'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpSimplex::cleanup(int)'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpSimplex::loadProblem(ClpMatrixBase const&, double const*,<br>
double const*, double const*, double const*, double const*, double const*)'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpPresolve::~ClpPresolve()'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `OsiSolverInterface::reducedCostFix(double, bool)'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpSimplex::checkSolutionInternal()'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpModel::times(double, double const*, double*) const'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpSimplex::checkPrimalSolution(double const*, double const*)'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpSolve::operator=(ClpSolve const&)'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `OsiSolverInterface::getRowNames()'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `OsiRowCut::ub() const'<br>
[...]<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpNodeStuff::zap(int)'<br>
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libOsiClp.so: undefined<br>
reference to `ClpSimplex::resize(int, int)'<br>
collect2: error: ld returned 1 exit status<br>
<br>
Also, I have installed on my system glpk. Is there any significant gain in<br>
using glpk vs OsiClp as backend solver engine ? If so, how should I change<br>
the compilation command and the c++ source in order to use glpk ?<br>
<br>
Many thanks,<br>
Antonello Lobianco, Laboratoire d'Economie Foresti?re, Nancy<br>
<br>
[1]<br>
</font></tt><tt><font size="2"><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></font></tt><tt><font size="2"><br>
<br>
<br>
-- <br>
Antonello Lobianco<br>
Spedito da un indirizzo non presenziato - Sent from an unattended account<br>
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------------------------------<br>
<br>
Message: 2<br>
Date: Thu, 26 Feb 2015 14:55:59 +0100<br>
From: "Antonello Lobianco (not reply)" <blackhole@lobianco.org><br>
To: flopcpp <flopcpp@list.coin-or.org><br>
Subject: [FlopCpp] Is this project still alive ?<br>
Message-ID:<br>
<CAOibvJFtPHYE12rYFGBOxwDU5YwqYVonsj=jSmt3t90wvEyyUg@mail.gmail.com><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Hello,<br>
I was planning to start a new project using FlopC++ but I wander if this<br>
project is still alove.. I see that a new version has been just released,<br>
but the mailing list is dead by several years.. is there some other way to<br>
comunicate, e.g. is there a google group or a forum that it's not linked<br>
from the project page ?<br>
<br>
Regards,<br>
Antonello Lobianco<br>
<br>
-- <br>
Antonello Lobianco<br>
Spedito da un indirizzo non presenziato - Sent from an unattended account<br>
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