Steven G. Johnson <stevenj.mit@...> writes: > > On Oct 31, 2014, at 12:38 PM, Patrick Beeson <pbeeson@...> wrote: > > I see. I needed a set_xtol_?() statement. I didn't want to care about this > > (only time, but I guess I need to). Just a suggestion that you may want to > > default the xtol_abs to somehting like 1e-20 or similar just in case users > > forget or don't realize they need to set this. > > I think it would be better to return a ROUNDOFF_LIMITED error. Can you file > an issue on the NLopt github page > (or better yet make a patch and file a pull request)? > >
I met almost the same problem with COBYLA, and got around by setting a very small relative xtol. Agree a ROUNDOFF_LIMITED error to be added. Maybe an explanation should be added to the doc. _______________________________________________ NLopt-discuss mailing list NLopt-discuss@ab-initio.mit.edu http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/nlopt-discuss
