x 33 b. y shifts right when x is negative. Henry Rich
On Sat, Jun 17, 2023, 12:41 PM 'Veter Kamenev' via General < gene...@jsoftware.com> wrote: > Thanks everyone for the replies! > > ----------- Bill Lam: > > Even if the numbers are divisible by 2, they themselves may also floating > > point numbers. > > I meant only the case when the dividend and the divisor are integers. > > ----------- Raul Miller: > > If you want integer division, I think you should use <.@% or #: > > I thought the problem with <.@% was the loss of precision. > > datatype e =: 9223372036854775806 > integer > > e % 2 > 4.61169e18 > > <. e % 2 > 4611686018427387904 > > However, this is not the case, since a special algorithm is probably used > for <.@% integer division. > > e <.@% 2 > 4611686018427387903 > > Too bad it's not clear from the documentation. I thought integer division > was implemented via float. > > ----------- Henry Rich: > > x 33 b. y > > 33 used for left shift. What number should be used for right shift? > I looked here https://code.jsoftware.com/wiki/Vocabulary/bdot#bitwise > > Best wishes, > Veter Kamenev > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
