The integer part a and the fractional part b of a number x is such that
x=a+b and a is an integer and 0<:b and b<1 . I do know of no use of a
"negative fractional part".
Den 20:39 tirsdag den 8. august 2017 skrev Raul Miller
<rauldmil...@gmail.com>:
I think we've mostly been using the wiki for live documents. (I'm not
sure what all would be involved in changing the phrase book.)
Thanks,
--
Raul
On Tue, Aug 8, 2017 at 2:35 PM, Skip Cave <s...@caveconsulting.com> wrote:
> It looks like we have a reliable solution to find a fractional part of a
> floating point number, while maintaining the sign:
>
> v
>
> _2.375 _5.84615 _11.4 13.0028 13.0014 13 12.9986
>
> fp=. * * 1|| NB. Thanks to Martin
>
> fp v
>
> _0.375 _0.846154 _0.4 0.0027933 0.00139082 0 0.998621
>
>
> Credit should also go to the people who suggested the building blocks, e.g.
>
> (1|y) Raul -- (1||y) Pascal -- (*y) Raul
>
> It is also nice to have the companion verb - integer part:
>
> ip=: * * <.@| NB. Thanks to Louis
>
> ip v
>
> _2 _5 _11 13 13 13 12
>
>
> I have needed these functions more than once in my enginering work. I
> believe that these two verbs need to be inserted somewhere in the "Numbers"
> section of the J Phrases doc. Maybe under "8A-Numbers & Counting", or
> 8C-Representations", or "8D-Arithmetic".
>
>
> How do we get them in the document? What section do they fit the best in?
> Can I edit the Phrases doc?
>
> Skip Cave
> Cave Consulting LLC
>
>
>
>>
>>
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