[Couenne] Unknown operator error

[Stefan Vigerske]

Hi,

probably you use some nonlinear operator in your problem that is not 
supported by Couenne, but by AMPL only, e.g., errorf.

Stefan

> Hello,
>
> I've got the following error with Couenne (trunk version compiled
> under Linux 64bit - gcc 4.6.0):
>
> ERROR: unknown operator (address 0p7f7172729f30), aborting.
>
> I've tried both from AMPL and from the command line by directly
> invoking the couenne binary.
>
> The same problem runs with bonmin and other solvers (like MINLP).
>
> Any idea?
>
> I attach the problem in nl format.
>
> Best,
>
> -- Marco
>
>
>
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