[Couenne] Is there a callable library to use Couenne in C/C++?

[Wendel Melo]

Wow! Thanks to everybody to the responses!

Ted, you right! OS looks very useful and I had no idea about that
interesting project. Victor, I am glad also to know about AMPL/MP library!
I am sure this library will be so useful to me in the future!

So, now I have many things to study! Thank all you again!

Have a nice week

Wendel

2015-02-21 23:36 GMT-02:00 Ted Ralphs <ted at lehigh.edu>:

>
>
>
> On Sat, Feb 21, 2015 at 6:37 PM, victor.zverovich at gmail.com <
> victor.zverovich at gmail.com> wrote:
>
>> Ted, by "OS passing the model directly to Couenne" you mean via some
>> Couenne APIs or via intermediate XML files?
>>
>
> I mean via an API, which I guess is probably more part of OS than Couenne.
> I'm not really too familiar with the implementation details, but the basic
> workflow is to first create an OSInstance object using a solver-agnostic
> API (similar in spirit to Osi, except with support for nonlinear modeling).
> The API is here:
>
>
> https://projects.coin-or.org/OS/browser/trunk/OS/src/OSCommonInterfaces/OSInstance.h
>
> After creating the model, to pass it to Couenne, you
> call buildSolverInstance() here:
>
>
> https://projects.coin-or.org/OS/browser/trunk/OS/src/OSSolverInterfaces/OSCouenneSolver.cpp#L141
>
> which translates the model into Couenne's native data structures. Finally,
> you can call solve().
>
> A detailed example is here:
>
>
> https://projects.coin-or.org/CoinBazaar/browser/projects/ApplicationTemplates/trunk/instanceGenerator/OSInstanceGenerator.cpp
>
> This functionality is what is planned to be the basis for "Osi 2" if that
> project ever comes to fruition. I don't think many people realize how much
> useful stuff is in the OS project.
>
> Cheers,
>
> Ted
>
>
>
>
>
> --
> Dr. Ted Ralphs
> Professor, Lehigh University
> (610) 628-1280
> ted 'at' lehigh 'dot' edu
> coral.ie.lehigh.edu/~ted
>
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>



-- 
Wendel
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