Le jeudi 04 septembre 2008 à 17:58 +0000, Fournier Frédéric a écrit : > > no, what should be done on a mathematical point of view, if you want to > calculate x ^ (n / m), is to do a test of parity on m: > if m is even then if x <0 I can not calculate x ^ (n / m) because > complex > if m is odd then if X <0 then the calculation becomes (-x) ^ (n / m) erratum (-(-x)^(1/m))^n > > Apply this method manually in Openoffice.org, you will see it works. > > > Le mercredi 03 septembre 2008 à 16:04 +0000, Martin Kretzschmar a > écrit : > > I'm not an expert on computer arithmetic, but I would guess that this > > can only be solved using symbolic algebra, or by storing rational > > numbers as rationals, or by using complex arithmetic. Openoffice.org > > most likely uses plain floating point arithmetic, so cannot solve > > this. > > >
-- =(-8)^(1/3) https://bugs.launchpad.net/bugs/264345 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs