Fuzion • Idioms • Idiom # 14: Pick uniformly a random floating point number in [a..b)

Idiom # 14: Pick uniformly a random floating point number in [a..b)

pick(a, b f64) => a + random.next_f64 * (b-a)

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pick(a, b f64) => a + random.next_f64 * (b-a)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

Running Example

pick(a, b f64) => a + random.next_f64 * (b-a)

for i in 1..10
    a := i.as_f64 * 3
    b := i.as_f64 * 4
    x := pick a b
do
  say "$x {if a <= x < b then "ok" else "not ok!"}"

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pick(a, b f64) => a + random.next_f64 * (b-a)
for i in 1..10
    a := i.as_f64 * 3
    b := i.as_f64 * 4
    x := pick a b
do
  say "$x {if a <= x < b then "ok" else "not ok!"}"
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

last changed: 2025-05-13

next: Idiom # 15: Pick uniformly a random integer in [a..b]