I wrote a couple pages, last year, which might be relevant here: http://r-nd-m.blogspot.com/2012/03/1-2-3-nb-six.html http://r-nd-m.blogspot.com/2012/03/2-3-nb-five.html
I have been thinking about writing more, but I've not stumbled over a specific question yet that has the right combination of frustration and interest to really get me going. Good luck, -- Raul On Wed, Aug 21, 2013 at 11:50 AM, Vijay Lulla <[email protected]> wrote: > Thanks all. That's what I thought too. I've never studied J's C code so > I'll have to first study it to evaluate how long it will take to implement > something like this. From perusing Roger's paper about the c programming > style used for J implementation (http://nsl.com/papers/origins.htm) it > appears that it'll take a little while to wrap my head around this style of > programming. I'll give it a try. Any pointers pertaining to pages > explaining the structure of interpreter's c code will be very helpful. > > Once again, thanks all for clarifying my doubts. > > > On Wed, Aug 21, 2013 at 1:14 AM, Gilles Kirouac <[email protected]> wrote: > >> >> > Why do I get a domain error? Are sparse arrays not implemented for >> extended >> > integers? >> >> On the page you refer to (d211.htm), one can read: >> >> "A sparse array y may be boolean, integer, floating point, complex, >> literal, >> or boxed ...". >> >> No extended integers here. >> >> You may also look at 3!:0, you'll see. >> >> They are not implemented and Roger (the implementer) did not plan >> for them. Could it be? Probably; roll up your sleeves! >> >> ~ Gilles >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
