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 > > > >> >> > ---------------------------------------------------------------------- > 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