# tests scan on a matrix checking for overflow in tail elements 8‿16‿32 {e𝕊n‿w: m←2⋆e-2 ⋄ ! (m⊸+⌾(⟨¯1,w|n⟩⊸⊑) ⌽‿w⥊(n+w+1)⥊m) ≡ +` •internal.Squeeze ↑‿w⥊ (w⥊m)∾(n⥊0)∾m}⌜ 1+↕200‿65 %DEF rand R ← ((⊑•args).GetRand@).Range ⋄ ⟨V⇐Variation⟩ ← •internal # ∨`bitarr ( %USE rand {𝕊: n ← 1 + R 2⋆R 13 ! (∨` ≡ ⊢∘∨`) "Ab" V {𝕊: 1⌾((R n)⊸⊑)𝕩}⍟2 "Ai8" V 0⥊˜ n }¨ ↕100000 ) # +`bitarr ( %USE rand RB2 ← {¬⍟(R 2) "Ab" V 𝕩 R 1+R 2⋆R 10} # random boolean array with random uniform probability {𝕊: a ← RB2 R 2⋆R 13 ! (+` ≡ ⊢∘+`) a }¨ ↕100000 )