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small deterministic example update #1240

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Merged
merged 3 commits into from
Aug 4, 2022
Merged

small deterministic example update #1240

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6112c84
small deterministic example update
TheIronBorn Jul 7, 2022
1f99bb7
assert deterministic
TheIronBorn Jul 8, 2022
89d7e4e
another typo
TheIronBorn Jul 9, 2022
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9 changes: 6 additions & 3 deletions examples/rayon-monte-carlo.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -55,8 +55,8 @@ fn main() {
.into_par_iter()
.map(|i| {
let mut rng = ChaCha8Rng::seed_from_u64(SEED);
// We chose ChaCha because it's fast, has suitable statical properties for simulation,
// and because it supports this set_stream() api, which lets us chose a different stream
// We chose ChaCha because it's fast, has suitable statistical properties for simulation,
// and because it supports this set_stream() api, which lets us choose a different stream
// per work item. ChaCha supports 2^64 independent streams.
rng.set_stream(i);
let mut count = 0;
Expand All @@ -69,7 +69,10 @@ fn main() {
}
count
})
.reduce(|| 0usize, |a, b| a + b);
.sum::<usize>();

// assert this is deterministic
assert_eq!(in_circle, 7852263);

// prints something close to 3.14159...
println!(
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