Thanks! This caught a real bug in J +./(,-) _.
loops forever. On Sat, May 16, 2020 at 5:51 PM Hauke Rehr <hauke.r...@uni-jena.de> wrote: > sorry, I was not sufficiently precise about my example > I meant to talk about atomic a only > > if $ a is empty, then > +./ (, -) a > will work > > Thanks for pointing out the lack of precision. > > Am 16.05.20 um 11:46 schrieb Raul Miller: > > I was talking about the implementation. > > > > These are different results: > > > > +./@(,-)4.57 4.34 4.44 > > 8.88178e_16 > > +./@(,-)&.x:4.57 4.34 4.44 > > 0.01 > > +./@(,-)&.:(*&1p1)4.57 4.34 4.44 > > 5.65432e_16 > > > > The reason is that binary floating point cannot represent 5^_1 nor > > 5^_2 accurately. > > > > Thanks, > > > > -- > ---------------------- > mail written using NEO > neo-layout.org > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
