| |
Q←{1≥≢⍵:⍵ ⋄ (∇ ⍵⌿⍨0>s)⍪(⍵⌿⍨0=s)⍪∇ ⍵⌿⍨0<s←⍵ ⍺⍺ ⍵⌷⍨?≢⍵}
S1←{⍵⌷⍨⍺⌷⍋⍵}
S←{
s←⍵ ⍺⍺ p←⍵⌷⍨?≢⍵
⍺< +/b←0>s:⍺ ∇ b⌿⍵
⍺<m←+/b←0≥s:p
(⍺-m) ∇ (~b)⌿⍵
}
| a. |
Modify Q
to catenate the enclose of the 3 parts.
|
| b. |
Create Sn
by modifying S
to hardwire comparisons on numeric scalars.
|
| c. |
Create a random numeric
vector x←?1e6⍴1e9
and do benchmarks
on S1
, S
,
and Sn .
x ← ? 1e6⍴1e9
i ← ? ≢x
cmpx 'i S1 x' 'i -S x' 'i Sn x'
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