There is an error in the rational code: In Archive.cc, line 218, the snprintf format is wrong. %lld is used, while the types of the arguments are actually "long". Thus, "%lld÷%lld" should be "%ld÷%ld" instead.
On 21 July 2017 at 12:06, Elias Mårtenson <loke...@gmail.com> wrote: > I haven't looked at this yet, but is this purely a display feature, or is > it a full implementation of rational numbers? > > In other words, is the result of 1÷3 exact? And if so, how do I convert a > rational number into a floating-point number? > > Regards, > Elias > > On 21 July 2017 at 00:05, Juergen Sauermann <juergen.sauerm...@t-online.de > > wrote: > >> Hi, >> >> coming back to a proposal from Elias, I have added (experimental) support >> for rational numbers in GNU APL. *SVN 982*. >> >> It has to be enabled explicitly: >> >> *./configure RATIONAL_NUMBERS_WANTED=yes* >> >> In APL you can display rational numbers by setting *⎕PS[1]*: >> >> * ⎕PS←0 22* >> * 2÷3* >> *╔════════════╗* >> *║0.6666666667║* >> *╚════════════╝* >> * ⎕PS←1 22* >> * 2÷3* >> *╔═══╗* >> *║2÷3║* >> *╚═══╝* >> >> (The second item in *⎕PS* is a boxing style as in the ]BOXING command). >> >> Best Regards, >> Jürgen >> >> >