[Cbc] using any version of Cbc with Ampl

[Ted Ralphs]

I've started building with Ampl support on the master branch, so there are
now a few ZIP files there with binaries that will work with AMPL. For
example, this one:

https://bintray.com/coin-or/download/download_file?file_path=Cbc-master-win64-msvc16-md.zip

I'd appreciate it if you could test them out. These binaries will continue
to be automatically built on master now and we'll roll this out to stables
and releases over time.

There is a weird bug in Visual Studio that crashes the compiler itself when
building ASL sometimes. It's a bit unpredictable and I'm not sure how to
deal with it yet. Perhaps we will need to host ASL separately and download
it.

Anyway, enjoy!

Cheers,

Ted

On Wed, Mar 4, 2020 at 4:10 AM Nicolas Cbc <nicolascbccoin at gmail.com> wrote:

> Thank you Ted, I am interested.
> I'm in no hurry because I can use 2.10.3 version provided by Ampl.
>
> I often use Glpk or Ampl as modeling tools and use cbc or cplex as solver.
> Now that Mosel is free, it has become possible to connect any solver
> implementing Ampl NL interface.
> I would like to test it with cbc and cplex.
>
> Have a good day,
>
> Nicolas
>
> Le mar. 3 mars 2020 à 23:21, Ted Ralphs <ted at lehigh.edu> a écrit :
>
>> Hi Nicolas,
>>
>> At the moment, we are not building the Cbc executables with AMPL support,
>> but this could be done, just no one asked :). Let me see about enabling it.
>>
>> Cheers,
>>
>> Ted
>>
>> On Tue, Mar 3, 2020 at 4:03 PM Nicolas Cbc <nicolascbccoin at gmail.com>
>> wrote:
>>
>>> Hi everyone,
>>>
>>> Recently I used windows binary of cbc (found on bintray) by generating
>>> mps file with glpk : it worked perfectly.
>>>
>>> After, I tried to use latest version of cbc with Ampl using "option
>>> solver cbc" but I always got an error :
>>> No match for AMPL - ? for list of commands
>>>
>>> It seems that I can only use the cbc binaries provided on the Ampl
>>> website ( https://ampl.com/products/solvers/open-source/).
>>> Is there a trick to use any version of cbc with Ampl or am I depending
>>> of the binaries provided by Ampl ?
>>>
>>> Cheers,
>>>
>>> Nicolas
>>> _______________________________________________
>>> Cbc mailing list
>>> Cbc at list.coin-or.org
>>> https://list.coin-or.org/mailman/listinfo/cbc
>>>
>>
>>
>> --
>> Dr. Ted Ralphs
>> Professor, Industrial and Systems Engineering
>> Lehigh University
>> (610) 628-1280
>> ted 'at' lehigh 'dot' edu
>> coral.ie.lehigh.edu/~ted
>>
>

-- 
Dr. Ted Ralphs
Professor, Industrial and Systems Engineering
Lehigh University
(610) 628-1280
ted 'at' lehigh 'dot' edu
coral.ie.lehigh.edu/~ted
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