[Ipopt] NaN's on eval_f

Marco Correia marco.v.correia at gmail.com
Sat Dec 21 07:25:10 EST 2013


 From what I understood from this post ( 
http://list.coin-or.org/pipermail/ipopt/2006-November/000655.html) one 
may safely set the objective value to NaN or a Inf from the eval_f callback.

  (by the way, in this case "Inf" is really the 
std::numeric_limits<double>::infinity() and not the 1e19 constants, right?)

I have a problem that is returning a NaN from eval_f and where Ipopt is 
calling finalize_solution with

I would like to know if setting the objective to NaN in eval_f could 
generate this status error.

Some more information:
- I am allowing the objective value to be NaN or Inf, but I'm always 
returning true from eval_f function.
- The option "check_derivatives_for_naninf"  doesn't seem to make any 

Marco Correia
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://list.coin-or.org/pipermail/ipopt/attachments/20131221/b15cc0b3/attachment.html>

More information about the Ipopt mailing list