[Jprogramming] [Jbeta] request a new forum for number representation issue???

Tue Oct 10 16:05:38 UTC 2017

Not "real world", more "out ot this world". I use J for most of my 
exploratory calculations in astrophysics. E.g.,
http://www.astro.umd.edu/~jph/J_page.html
Cheers, Patrick
On 2017年10月10日, Rob B wrote:
> My many trips around the J home website have given me the impression that J is very much geared to maths and puzzles.
>> I would be genuinely interested in reading about real world appllications of J.
>> Regards, Rob Burns.
>>> On 10 Oct 2017, at 02:43, Don Kelly <dhky at shaw.ca> wrote:
>>>> The possibility of a forum dealing with the extended variations would be useful in that the present forum would then deal with more realistic problems rather than the more esoteric ones. We don't need to slow down operations, useful to all, to satisfy the needs of a few.
>>>> Any digital expression is limited by machine word limits and data limits. Machine limits exceed data limits in most cases- -useful where multiple operations result in digital fuzz that is insignificant relative to real data fuzz.
>>>> Don Kelly
>>>>>>> On 2017年10月09日 12:29 PM, Raul Miller wrote:
>>> I think this proposal would require, at minimum, a rewrite of ve.c
>>>>>> Also, each primitive which takes numeric arguments and/or produces a
>>> numeric result would need a test to make sure it behaved properly for
>>> each different mode of number handling.
>>>>>> Want to take a crack at it?
>>>>>> Thanks,
>>>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm