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Flesh out std::rand::distributions a little more #9810

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Merged
merged 8 commits into from
Oct 23, 2013
Merged

Flesh out std::rand::distributions a little more #9810

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2cd772b
std::rand: add the Sample and IndependentSample traits.
huonw Oct 10, 2013
5aaef13
std::rand: Add RandSample for Sample-ing Rand types directly.
huonw Oct 10, 2013
1420272
std::rand: full exponential & normal distributions
huonw Oct 10, 2013
148f737
std::rand: add distributions::Range for generating [lo, hi).
huonw Oct 10, 2013
e0eb128
std::rand: documentation & references.
huonw Oct 11, 2013
ed5f2d7
std::rand: optimise & document ziggurat.
huonw Oct 11, 2013
83aa1ab
std::rand: lengthen the RNG benchmarks.
huonw Oct 11, 2013
0bba73c
std::rand: move Weighted to distributions.
huonw Oct 11, 2013
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2 changes: 1 addition & 1 deletion src/libextra/base64.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -318,7 +318,7 @@ mod test {
use std::vec;

do 1000.times {
let times = task_rng().gen_integer_range(1u, 100);
let times = task_rng().gen_range(1u, 100);
let v = vec::from_fn(times, |_| random::<u8>());
assert_eq!(v.to_base64(STANDARD).from_base64().unwrap(), v);
}
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2 changes: 1 addition & 1 deletion src/libextra/crypto/cryptoutil.rs
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Expand Up @@ -365,7 +365,7 @@ pub mod test {
digest.reset();

while count < total_size {
let next: uint = rng.gen_integer_range(0, 2 * blocksize + 1);
let next: uint = rng.gen_range(0, 2 * blocksize + 1);
let remaining = total_size - count;
let size = if next > remaining { remaining } else { next };
digest.input(buffer.slice_to(size));
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2 changes: 1 addition & 1 deletion src/libextra/flate.rs
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Expand Up @@ -113,7 +113,7 @@ mod tests {
let mut r = rand::rng();
let mut words = ~[];
do 20.times {
let range = r.gen_integer_range(1u, 10);
let range = r.gen_range(1u, 10);
words.push(r.gen_vec::<u8>(range));
}
do 20.times {
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12 changes: 6 additions & 6 deletions src/libextra/sort.rs
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Expand Up @@ -1069,8 +1069,8 @@ mod big_tests {
isSorted(arr);

do 3.times {
let i1 = rng.gen_integer_range(0u, n);
let i2 = rng.gen_integer_range(0u, n);
let i1 = rng.gen_range(0u, n);
let i2 = rng.gen_range(0u, n);
arr.swap(i1, i2);
}
tim_sort(arr); // 3sort
Expand All @@ -1088,7 +1088,7 @@ mod big_tests {
isSorted(arr);

do (n/100).times {
let idx = rng.gen_integer_range(0u, n);
let idx = rng.gen_range(0u, n);
arr[idx] = rng.gen();
}
tim_sort(arr);
Expand Down Expand Up @@ -1141,8 +1141,8 @@ mod big_tests {
isSorted(arr);

do 3.times {
let i1 = rng.gen_integer_range(0u, n);
let i2 = rng.gen_integer_range(0u, n);
let i1 = rng.gen_range(0u, n);
let i2 = rng.gen_range(0u, n);
arr.swap(i1, i2);
}
tim_sort(arr); // 3sort
Expand All @@ -1160,7 +1160,7 @@ mod big_tests {
isSorted(arr);

do (n/100).times {
let idx = rng.gen_integer_range(0u, n);
let idx = rng.gen_range(0u, n);
arr[idx] = @rng.gen();
}
tim_sort(arr);
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2 changes: 1 addition & 1 deletion src/libextra/treemap.rs
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Expand Up @@ -1028,7 +1028,7 @@ mod test_treemap {
}

do 30.times {
let r = rng.gen_integer_range(0, ctrl.len());
let r = rng.gen_range(0, ctrl.len());
let (key, _) = ctrl.remove(r);
assert!(map.remove(&key));
check_structure(&map);
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