Jeffrey Yasskin wrote: > The second returns the simplest rational within some distance. For > instance, it'll prefer 22/7 over 333/106 if both are close enough. We > might call it .simplest_within() for now. This seems useful for > converting from float and displaying results to users, where we prefer > readability over accuracy or have reason to believe that a simpler > fraction might be more correct. You can use a mediant walk to get to two surrounding fractions w/ some limit, and then return the pair to let the caller choose.
See http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52317 for an imperfect implementation. _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
