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rand: simplify rand.PRNG, move to optional types for error handling (#13570)

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This commit is contained in:
Subhomoy Haldar
2022-02-23 16:06:14 +05:30
committed by GitHub
parent 5c0b7b0d05
commit 114a341f5f
49 changed files with 609 additions and 1586 deletions
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4
vlib/rand/dist/dist.v vendored
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@ -49,8 +49,8 @@ pub fn normal_pair(config NormalConfigStruct) (f64, f64) {
// See: https://doi.org/10.1137%2F1006063
// Also: https://en.wikipedia.org/wiki/Marsaglia_polar_method
for {
u := rand.f64_in_range(-1, 1)
v := rand.f64_in_range(-1, 1)
u := rand.f64_in_range(-1, 1) or { 0.0 }
v := rand.f64_in_range(-1, 1) or { 0.0 }
s := u * u + v * v
if s >= 1 || s == 0 {