[Ipopt] Matlab Interfaces

[Johannes Huber]

Hi Tom,
it works. Great! Thanks a lot.
   Hannes
On Thursday 21 April 2011 16.46:21 Tom Vacek wrote:
> Matlab 64-bit uses 8-byte integers in all its function signatures,
> including Blas and Lapack calls.  One problem is that there is a shared
> library namespace conflict for Matlab blas and coinblas, and coinblas
> uses a 4-byte integers in its signatures.  You'll usually see an error
> like "One entry to DPOTRF, parameter 4 had illegal value."
>
> If this is the problem you have two options.  You can pass in the
> --enable-static configure option and avoid dynamic linking.  Or you can
> modify the wrappers in Ipopt/src/LinAlg/IpBlas.cpp and IpLapack.cpp and
> ma27 to use the Matlab signature, and then link everything to Matlab
> blas.  If you go with the first option, check the binary with ldd to
> make sure it really is static linked.  I seem to remember that
> --enable-static wasn't always honored by configure.
>
> Tom
>
> On 04/21/2011 09:26 AM, Johannes Huber wrote:
> > Hi all,
> > I'd like to use the ipopt matlab interface. However Matlab crashes when
> > calling an example.
> >
> > I configured ipopt as
> > ../src/configure
> > ADD_CFLAGS="-ansi -D_GNU_SOURCE  -fexceptions -fPIC
> > -fno-omit-frame-pointer -pthread" ADD_CXXFLAGS="-ansi -D_GNU_SOURCE -fPIC
> > -fno-omit-frame-pointer -pthread" ADD_FFLAGS="-fexceptions -fPIC
> > -fno-omit-frame-pointer" --with-matlab-home='/usr/local/Matlab2009a'
> >
> > and used the ma27 solver and the netlib lapack and blas libs. I can run
> > the scalable problems successfully, so ipopt itself works.
> > Compiling the matlab interface works as well. However, when calling ipopt
> > from matlab it crashes after the standard ipopt - message. The Matlab I'm
> > using is Matlab 2009a (glnxa64) and the used compiler is gcc 4.2.4.
> >
> > Any help is appreciated.
> >
> > Thanks,
> >      Hannes
>
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Johannes Huber
Mathematisches Institut
Universität Basel
Rheinsprung 21
CH-4051 Basel
Switzerland
Phone: +41 61 267 39 93
http://www.math.unibas.ch/~huber/
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