Hi, I suspect It has something to do with Zero value.
Kacper example also produce output when Zero is replaced with other values. HiH Regards, On Thu, Apr 30, 2020 at 11:12 PM Kacper Gutowski <mwgam...@gmail.com> wrote: > On Thu, Apr 30, 2020 at 08:14:46PM +0200, Dr. Jürgen Sauermann wrote: > >Could you please reformulate the problem in a more readable way? > >I have not idea what the expression is doing and if the result is > correct or > >not. > >Or which primitive actually fails. > > I understand the problem is as described in the subject. > Here's a less verbose reproducer: > > ]BOXING 8 > (3600 ↑1) ~ 0 > ┌→┐ > │1│ > └─┘ > (3601 ↑1) ~ 0 ⍝ should also be ,1 > ┌⊖┐ > │0│ > └─┘ > > -k > >
