On 7/14/26 09:46, Victor Eijkhout wrote:
olverControl::State
IterationPrintControl::check(const unsigned int step, const double check_value)
{
// check whether the given number of iterations was reached, and return
// success in that case. Otherwise, go on to the check of the base class.
std::println( "At iteration={}/{}, error={}",step,this->maxsteps,check_value
);
if (step >= this->maxsteps)
{
std::println( "stop iteration at {}",step );
if (m_log_result)
deallog << "Convergence step " << step << " value " << check_value
<< std::endl;
lstep = step;
lvalue = check_value;
lcheck = success;
return success;
}
else {
std::println( "base check in step {}",step );
return SolverControl::check(step, check_value);
}
}
Now strangely enough the very first println is not printed until maxits is
reached. It's like this check is not executed before the base case, but after.
Victor,
you are asking us to speculate what happens in your program without either
giving us a complete program or at least showing us the output. None of us
here can know what is going on. We can all guess what the output *should* be,
but that's not helpful to either you or us. It's probably fair to point out
that that is a fairly common case with your questions.
You will either have to use a debugger, or better describe what it is you see
if you want us to help.
Best
W.
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