NewtonSolver now returns a std::pair<uint, bool> to indicate the number
of iterations and success/failure.
Garth
Andy Ray Terrel wrote:
> So that is a message to the user, I want to check the object in the
> code. Right now that newton_converged variable is set by a private
> function. Thus if I am making a continuation loop and I want to know
> if my solver failed to converge, I can only check the iteration count.
>
> -- Andy
>
> On Tue, Oct 6, 2009 at 2:15 PM, Garth N. Wells <gn...@cam.ac.uk> wrote:
>>
>> Andy Ray Terrel wrote:
>>> Since you guys are releasing soon, could you add a flag in the newton
>>> solver that says if it actually converged.
>> We have this in the code:
>>
>> if (newton_converged)
>> info("Newton solver finished in %d iterations and %d linear solver
>> iterations.",
>> newton_iteration, krylov_iterations);
>> else
>> warning("Newton solver did not converge.");
>>
>>
>> Perhaps you turned off logging to suppress the assembler messages?
>>
>> Garth
>>
>> Right now the only thing I
>>> can do is check to see if it took the max iters but you know that last
>>> iter might have actually converged.
>>>
>>> -- Andy
>>> _______________________________________________
>>> DOLFIN-dev mailing list
>>> DOLFIN-dev@fenics.org
>>> http://www.fenics.org/mailman/listinfo/dolfin-dev
>>
>>
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