[Jprogramming] bug in ?

[Joe Bogner]

Might be a relevant time to ask for an update on the git repo for J
GPL source: http://www.jsoftware.com/pipermail/chat/2015-June/006648.html

I haven't heard anything since June. Is there an update?

On Thu, Dec 17, 2015 at 10:26 PM, bill lam <bbill.lam at gmail.com> wrote:
> I think this bug is serious. If anyone can provide a patch
> based on the j701 GPL source and related test script,
> then I can merge the fix into the next release.
>
> Чт, 17 дек 2015, Henry Rich написал(а):
>> ? (32$2) , 32 $ 1000
>>
>> 1 1 0 1 1 0 1 0 0 1 1 1 0 1 0 1 0 0 0 0 1 1 0 1 1 1 0 1 0 1 0 1 0 1 1 1 0 1
>> 1 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1
>>
>>
>> The chance of getting that with no bug is about 1 in 10^86. There's a bug.
>>
>>
>> The question is, Why can't we just fix it?  If I wanted to put in the
>> change, how would I do so and get the change into a release?
>>
>>
>> We have a bug list of 50 or so errors, some serious.  If this language is
>> going to live, it needs to be able to grow.
>>
>>
>> Henry Rich
>>
>>
>>
>>
>> On 12/17/2015 9:08 PM, bill lam wrote:
>> >I think there are already enough evidences to call for
>> >further investigation to prove or disprove the bug.
>> >
>> >Чт, 17 дек 2015, Raul Miller написал(а):
>> >>On Thu, Dec 17, 2015 at 12:40 PM, 'Pascal Jasmin' via Programming
>> >><programming at jsoftware.com> wrote:
>> >>>?.  2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16
>> >>>0 0 0 0 1 1 0 0 0 1 1 1 0 0 0 0 1 0 0 0 0 1 1 1 1 1 1 0 1 1 1 0 1 0 1 1 1 1 0 1 1 1 1 0 0 1 1 1 8 9 6 8 14 7 12 9 1 15 2 15 3 13 3
>> >>>
>> >>>?. 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16
>> >>>0 1 0 1 1 0 0 1 1 1 0 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 1 0 1 1 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1
>> >>>
>> >>>
>> >>>one less leading 2 in first example.  47 leading 2s, correct result.  48 leading 2s and everything is 2.
>> >>So?
>> >>
>> >>Consider this:
>> >>
>> >>    ?.4#4
>> >>2 0 0 2
>> >>    4{.?.400#4
>> >>2 0 2 0
>> >>
>> >>The size of the right argument influences the values generated at each position.
>> >>
>> >>You would need to perform a large number of experiments to show a
>> >>statistical flaw in the results.
>> >>
>> >>--
>> >>Raul
>> >>----------------------------------------------------------------------
>> >>For information about J forums see http://www.jsoftware.com/forums.htm
>>
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>
> --
> regards,
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