[Couenne] large number of error messages

[Pietro Belotti]

Yes. I have some other local changes, but will make this the default
in the next few days.

Pietro

On Tue, Jun 2, 2015 at 5:53 PM, victor.zverovich at gmail.com
<victor.zverovich at gmail.com> wrote:
> Setting print_level to 0 in couenne_options did the trick. Wouldn't it
> better to make it the default?
>
> Thanks,
> Victor
>
>
> On Sat, May 30, 2015 at 9:53 AM Pietro Belotti <petr.7b6 at gmail.com> wrote:
>>
>> Actually, that turned out much easier than I thought. Please try
>> adding the line "print_level 0" to the option file couenne.opt.
>>
>> Regards,
>> Pietro
>>
>> On Sat, May 30, 2015 at 5:35 PM, Pietro Belotti <petr.7b6 at gmail.com>
>> wrote:
>> > Hi Victor,
>> >
>> > I'm aware of that. This is due to the Ipopt/AMPL interface
>> > (Ipopt/src/Apps/AmplSolver/AmplTNLP.cpp), in particular function
>> > nerror_ok(), line 1461: every time an evaluation error is encountered
>> > a message is printed. I'm trying now to set the output level for that
>> > specific message handler from within Couenne, since the print is the
>> > Ipopt source so I can't directly control that. I'll keep you posted.
>> >
>> > Pietro
>> >
>> >
>> >
>> > On Wed, May 27, 2015 at 1:15 AM, victor.zverovich at gmail.com
>> > <victor.zverovich at gmail.com> wrote:
>> >> And another issue with the output: running Couenne on the CUTE test set
>> >> produced ~1GB of identical error messages:
>> >>
>> >>   Error in an AMPL evaluation. Run with "halt_on_ampl_error yes" to see
>> >> details.
>> >>
>> >> It would be nice if the error message was only produced once per
>> >> optimization problem to avoid flooding the output by domain errors and
>> >> such.
>> >>
>> >> Best regards,
>> >> Victor
>> >>
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