[Jprogramming] Rank (") with cyclic gerund

Raul Miller rauldmiller at gmail.com
Mon Sep 18 23:45:06 UTC 2017 

Why not add the cyclic gerund functionality to u`:n?

We've got a plethora of unassigned values for n, and this would not
introduce any new inconsistency that could break existing code.

Thanks,

-- 
Raul


On Mon, Sep 18, 2017 at 7:39 PM, Jose Mario Quintana
<jose.mario.quintana at gmail.com> wrote:
> On further consideration and or what is worth, I second your proposal.
>
> I would like to suggest to go even further and make no exceptions even for
> the case when  n  is  _ .  Why?  First, because I do not like
> inconsistencies and the main point of changing  "  is to make consistent
> with other modifiers.  Second, if I am not mistaken, for practical
> purposes, a current case  m"_   where m is a gerund could be replaced by
>  m"99   (even taking into account that arrays (and gerunds) of dimensions
> much more larger than 99 are possible).  Last, Jx's  "::  would be
> unnecessary.
>
> Yes, it would not be strictly compatible either and the likelihood of
> breaking some code would be slightly higher compared to your proposal but
> it would still be very low and a remedy appears to be straightforward.
> Furthermore, this would be hardly the first time that a worthy incompatible
> change in the interpreter is introduced.
>
>
>
>
> On Wed, Aug 2, 2017 at 7:00 PM, Jose Mario Quintana <
> jose.mario.quintana at gmail.com> wrote:
>
>> I also thought that it would be unlikely to brake any existing code [0].
>> It was implemented as  "  and broke an important code I had written!  That
>> is why it was reimplemented as "::  instead.
>>
>> [0] [Jprogramming] How m"n shoulda been defined  Jose Mario Quintana
>>      http://www.jsoftware.com/pipermail/programming/2015-
>> August/042539.html
>>
>> On Wed, Aug 2, 2017 at 3:36 PM, Henry Rich <henryhrich at gmail.com> wrote:
>>
>>> I expect to make some more improvements to dyad u"n, and eventually to
>>> rewrite the monad to match the dyad.  My availability to work on this will
>>> be intermittent for a while.  The 8.06 code as is works, and fixes a
>>> long-standing bug reported by Martin Neitzel.
>>>
>>> I have suggested using m"n, where n is not _, to implement a cyclic gerund
>>> m.  If m doesn't look like a gerund, it would be treated as a simple noun.
>>> While this is not strictly compatible, I think it very unlikely that it
>>> would break any existing code.  I think m"n was wrongly defined and that
>>> this is the correct definition.  My opinion is not universally shared so I
>>> haven't acted on it.
>>>
>>> Henry Rich
>>>
>>> On Wed, Aug 2, 2017 at 5:03 PM, Thomas Costigliola <forum at iocane.net>
>>> wrote:
>>>
>>> > You can try removing the conditional statement enclosing that line, but
>>> > for now I would say the patch is broken under Clang. Since the rank code
>>> > was completely rewritten in J805 and J806 and ":: is based on the J804
>>> rank
>>> > with some unfinished updates Henry was working on, the real solution is
>>> to
>>> > rewrite ":: based on the new rank code. But that should wait until the
>>> code
>>> > is stable. Does anyone anticipate more changes?
>>> >
>>> > On a more philosophical note, ":: implements gerund left arguments that
>>> > apply to the items cyclically. The reason for adding a new primitive and
>>> > not extending ": is because it breaks using ": to define constant
>>> > functions. If someone has any ideas to make them play nicely together
>>> then
>>> > they can be merged into a single primitive. The issue is that there is
>>> no
>>> > distinction between a noun and gerund.
>>> >
>>> > Regards,
>>> > -Thomas
>>> >
>>> >
>>> > On 08/02/2017 11:52 AM, bill lam wrote:
>>> >
>>> >> Yes, I use Clang and have -Werror -Wextra in CFLAGS.
>>> >> Sometimes vs2013 is much less tolerant.
>>> >>
>>> >> Ср, 02 авг 2017, Thomas Costigliola написал(а):
>>> >>
>>> >>> That looks like Henry's code taken from cr.c at some older version. It
>>> >>> compiles fine for me in GCC and Visual Studio 2013. It is in the
>>> >>> implementation of "::, which seems to be working in my tests, so that
>>> >>> code
>>> >>> never gets hit. Are you using Clang? It's much less tolerant of code
>>> like
>>> >>> that.
>>> >>>
>>> >>> Regards,
>>> >>> -Thomas
>>> >>>
>>> >>> On 08/02/2017 11:21 AM, bill lam wrote:
>>> >>>
>>> >>>> When I tried to compile, but this line in best.c failed.
>>> >>>>
>>> >>>>     *((I*)0)=0;  // scaf
>>> >>>>
>>> >>>> and I can not understand its intention, access to memory
>>> >>>> address 0 should cause segfault.
>>> >>>>
>>> >>>> Вт, 01 авг 2017, Jose Mario Quintana написал(а):
>>> >>>>
>>> >>>>> A brief description of the Jx v1.0 extensions, together with links
>>> to a
>>> >>>>> Windows 64 bit dll, a Unix 64 bit so binaries and the patch
>>> >>>>> corresponding
>>> >>>>> to the J806 source can be found at,
>>> >>>>> http://www.2bestsystems.com/foundation/j/jx1
>>> >>>>>
>>> >>>>> Summary
>>> >>>>>
>>> >>>>> - Spelling
>>> >>>>>     - Names with unicode characters
>>> >>>>>     - Primitives
>>> >>>>>         Added     =.. =:: $:: [. ]. ]: ".. ":: `. ?: i.. O.
>>> >>>>>         Extended  ~ $.
>>> >>>>>     - Foreign
>>> >>>>>         Added     104!:5 Unnamed Execution
>>> >>>>>
>>> >>>>> - Trains
>>> >>>>>       a v    Added       (different from Jx v0)
>>> >>>>>       a a    Extended    (different from Jx v0)
>>> >>>>>       c a    Resurrected
>>> >>>>>       a c a  Resurrected
>>> >>>>>
>>> >>>>> The Jx v0 page,
>>> >>>>> http://www.2bestsystems.com/foundation/j/jx0
>>> >>>>> will be removed in the near future
>>> >>>>>
>>> >>>>> Time permitting, there will be soon a script with assertions for
>>> those
>>> >>>>> who
>>> >>>>> want to verify binaries targeted for other platforms and I will try
>>> to
>>> >>>>> illustrate the facilities in action with some scripts.
>>> >>>>>
>>> >>>>>
>>> >>>>>
>>> >>>>>
>>> >>>>> On Sat, Mar 8, 2014 at 11:40 PM, Jose Mario Quintana <
>>> >>>>> jose.mario.quintana at gmail.com> wrote:
>>> >>>>>
>>> >>>>>
>>> >>>>>> The patches, a Windows 32-bit DLL, a cheatsheet, 32 and 64 bit Unix
>>> >>>>>> libraries are found at:
>>> >>>>>>
>>> >>>>>>
>>> >>>>>> http://www.2bestsystems.com/foundation/j/
>>> >>>>>>
>>> >>>>>>
>>> >>>>>> For more details and demonstration code, see the article in the
>>> >>>>>> Journal of
>>> >>>>>> J: http://journalofj.com/index.php/vol-2-no-2-october-2013 (only
>>> the
>>> >>>>>> definition of the new conjunction knot (`.) has been slightly
>>> >>>>>> modified for
>>> >>>>>> the release).
>>> >>>>>>
>>> >>>>>>
>>> >>>>>>
>>> >>>>>> ------------------------------------------------------------
>>> >>>>> ----------
>>> >>>>> For information about J forums see http://www.jsoftware.com/forum
>>> s.htm
>>> >>>>>
>>> >>>>
>>> >>>>
>>> >>> ------------------------------------------------------------
>>> ----------
>>> >>> For information about J forums see http://www.jsoftware.com/forum
>>> s.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
>>>
>>
>>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm

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