hi Steven, I'm running python-3.4.2 on a linuxmint16 box and CANNOT reproduce it is just that int(i*x) == i is never True!
hope that helps regards Michael * Steven D'Aprano <st...@pearwood.info> [2015-07-02 16:56]: > Despite the title, this is not one of the usual "Why can't Python do > maths?" "bug" reports. > > Can anyone reproduce this behaviour? If so, please reply with the version of > Python and your operating system. Printing sys.version will probably do. > > > x = 1 - 1/2**53 > assert x == 0.9999999999999999 > for i in range(1, 1000000): > if int(i*x) == i: > print(i); break > > > Using Jython and IronPython, the loop runs to completion. That is the > correct behaviour, or so I am lead to believe. Using Python 2.6, 2.7 and > 3.3 on Centos and Debian, it prints 2049 and breaks. That should not > happen. If you can reproduce that (for any value of i, not necessarily > 2049), please reply. > > See also http://bugs.python.org/issue24546 for more details. > > > > -- > Steven > > -- > https://mail.python.org/mailman/listinfo/python-list -- Michael Poeltl <michael.poe...@univie.ac.at> Computational Materials Physics at University Wien, Sensengasse 8/12, A-1090 Wien, AUSTRIA http://cmp.univie.ac.at/ http://homepage.univie.ac.at/michael.poeltl/ using elinks-0.12, mutt-1.5.21, and vim-7.3, with python-3.4.2, on linux mint 16 (petra) :-) fon: +43-1-4277-51409 "Lehrend lernen wir!" -- https://mail.python.org/mailman/listinfo/python-list
