@@ -9,80 +9,81 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
99
1010### Crate features and organisation
1111- Minimum Rust version update: 1.22.0. (#239 )
12- - Created a seperate ` rand-core ` crate. (#288 )
13- - deprecated ` rand_derive ` . (#256 )
14- - Added ` log ` feature. Logging is now available in ` JitterRng ` , ` OsRng ` , ` EntropyRng ` and ` ReseedingRng ` . (#246 )
15- - Added ` serde-1 ` feature for some PRNGs. (#189 )
12+ - Create a seperate ` rand-core ` crate. (#288 )
13+ - Deprecate ` rand_derive ` . (#256 )
14+ - Add ` log ` feature. Logging is now available in ` JitterRng ` , ` OsRng ` , ` EntropyRng ` and ` ReseedingRng ` . (#246 )
15+ - Add ` serde-1 ` feature for some PRNGs. (#189 )
1616
1717### ` Rng ` trait
1818- Split ` Rng ` in ` RngCore ` and ` Rng ` extension trait.
1919 ` next_u32 ` , ` next_u64 ` and ` fill_bytes ` are now part of ` RngCore ` . (#265 )
20- - Added ` Rng::sample ` . (#256 )
21- - Deprecated ` Rng::gen_weighted_bool ` . (#308 )
22- - Added ` Rng::gen_bool ` . (#308 )
23- - Removed ` Rng::next_f32 ` and ` Rng::next_f64 ` . (#273 )
24- - Added optimized ` Rng::fill ` and ` Rng::try_fill ` methods. (#247 )
25- - Deprecated ` Rng::gen_iter ` . (#286 )
26- - Deprecated ` Rng::gen_ascii_chars ` . (#279 )
20+ - Add ` Rng::sample ` . (#256 )
21+ - Deprecate ` Rng::gen_weighted_bool ` . (#308 )
22+ - Add ` Rng::gen_bool ` . (#308 )
23+ - Remove ` Rng::next_f32 ` and ` Rng::next_f64 ` . (#273 )
24+ - Add optimized ` Rng::fill ` and ` Rng::try_fill ` methods. (#247 )
25+ - Deprecate ` Rng::gen_iter ` . (#286 )
26+ - Deprecate ` Rng::gen_ascii_chars ` . (#279 )
2727
2828### ` rand-core ` crate
2929(changes included here because they greatly influence the Rand crate)
3030- ` RngCore ` and ` SeedableRng ` are now part of ` rand-core ` . (#288 )
31- - Added modules to help implementing RNGs ` impl ` and ` le ` . (#209 , #228 )
32- - added ` Error ` and ` ErrorKind ` . (#225 )
33- - Added ` CryptoRng ` marker trait. (#273 )
34- - Added ` BlockRngCore ` trait. (#281 )
35- - Added ` BlockRng ` wrapper to help implemtations . (#281 )
36- - Revised the ` SeedableRng ` trait. (#233 )
37- - Removed default implementations for ` RngCore::next_u64 ` and ` RngCore::fill_bytes ` . (#288 )
38- - Added ` RngCore::try_fill_bytes ` . (#225 )
31+ - Add modules to help implementing RNGs ` impl ` and ` le ` . (#209 , #228 )
32+ - Add ` Error ` and ` ErrorKind ` . (#225 )
33+ - Add ` CryptoRng ` marker trait. (#273 )
34+ - Add ` BlockRngCore ` trait. (#281 )
35+ - Add ` BlockRng ` wrapper to help implementations . (#281 )
36+ - Revise the ` SeedableRng ` trait. (#233 )
37+ - Remove default implementations for ` RngCore::next_u64 ` and ` RngCore::fill_bytes ` . (#288 )
38+ - Add ` RngCore::try_fill_bytes ` . (#225 )
3939
4040### Other traits and types
41- - Added ` NewRng ` trait. (#233 )
42- - Added ` SmallRng ` wrapper. (#296 )
43- - Rewritten ` ReseedingRng ` to only work with ` BlockRngCore ` (much improved performance). (#281 )
44- - Deprecated ` weak_rng ` . Use ` SmallRng ` instead. (#296 )
45- - Deprecated ` random ` . (#296 )
46- - Deprecated ` AsciiGenerator ` . (#279 )
41+ - Add ` NewRng ` trait. (#233 )
42+ - Add ` SmallRng ` wrapper. (#296 )
43+ - Rewrite ` ReseedingRng ` to only work with ` BlockRngCore ` (substantial performance improvement ). (#281 )
44+ - Deprecate ` weak_rng ` . Use ` SmallRng ` instead. (#296 )
45+ - Deprecate ` random ` . (#296 )
46+ - Deprecate ` AsciiGenerator ` . (#279 )
4747
4848### Random number generators
49- - Switched ` StdRng ` and ` thread_rng ` to HC-128. (#277 )
50- - Changed ` thread_rng ` reseeding threshold to 32 MiB. (#277 )
49+ - Switch ` StdRng ` and ` thread_rng ` to HC-128. (#277 )
50+ - Change ` thread_rng ` reseeding threshold to 32 MiB. (#277 )
5151- PRNGs no longer implement ` Copy ` . (#209 )
5252- ` Debug ` implementations no longer show internals. (#209 )
53- - Implemented serialisation for ` XorShiftRng ` , ` IsaacRng ` and ` Isaac64Rng ` under the ` serde-1 ` feature. (#189 )
54- - Implemented ` BlockRngCore ` for ` ChaCha ` and ` Hc128 ` . (#281 )
53+ - Implement serialisation for ` XorShiftRng ` , ` IsaacRng ` and ` Isaac64Rng ` under the ` serde-1 ` feature. (#189 )
54+ - Implement ` BlockRngCore ` for ` ChaChaCore ` and ` Hc128Core ` . (#281 )
5555- All PRNGs are now portable across big- and little-endian architectures. (#209 )
5656- ` Isaac64Rng::next_u32 ` no longer throws away half the results. (#209 )
57- - Added ` IsaacRng::new_from_u64 ` and ` Isaac64Rng::new_from_u64 ` . (#209 )
58- - Added the HC-128 CSPRNG ` Hc128Rng ` . (#210 )
59- - Added ` ChaChaRng::set_rounds ` method. (#243 )
60- - Changes to ` JitterRng ` to get it's size down from 2112 to 24 bytes. (#251 )
57+ - Add ` IsaacRng::new_from_u64 ` and ` Isaac64Rng::new_from_u64 ` . (#209 )
58+ - Remove ` IsaacWordRng ` wrapper. (#277 )
59+ - Add the HC-128 CSPRNG ` Hc128Rng ` . (#210 )
60+ - Add ` ChaChaRng::set_rounds ` method. (#243 )
61+ - Changes to ` JitterRng ` to get its size down from 2112 to 24 bytes. (#251 )
6162- Various performance improvements to all PRNGs.
6263
6364### Platform support and ` OsRng `
64- - Added support for CloudABI. (#224 )
65- - Removed support for NaCl. (#225 )
66- - Replaced stubs with proper WASM support in ` OsRng ` . (#272 )
67- - Keep open only a single file descriptor for ` OsRng ` , on systems that do not have a syscall interface . (#239 )
65+ - Add support for CloudABI. (#224 )
66+ - Remove support for NaCl. (#225 )
67+ - Replace stubs with proper WASM support in ` OsRng ` . (#272 )
68+ - On systems that do not have a syscall interface, only keep a single file descriptor open for ` OsRng ` . (#239 )
6869- Better error handling and reporting in ` OsRng ` (using new error type). (#225 )
6970- ` OsRng ` now uses non-blocking when available. (#225 )
70- - Added ` EntropyRng ` , which provides ` OsRng ` , but has ` JitterRng ` as a fallback. (#235 )
71+ - Add ` EntropyRng ` , which provides ` OsRng ` , but has ` JitterRng ` as a fallback. (#235 )
7172
7273### Distributions
7374- New ` Distribution ` trait. (#256 )
74- - Deprecated ` Rand ` , ` Sample ` and ` IndependentSample ` traits. (#256 )
75- - Added a ` Uniform ` distribution (replaces most ` Rand ` implementations). (#256 )
76- - Added ` Binomial ` and ` Poisson ` distributions. (#96 )
77- - Added ` Alphanumeric ` distribution. (#279 )
78- - Removed ` Open01 ` and ` Closed01 ` distributions, use ` Uniform ` instead (open distribution). (#274 )
79- - Reworked ` Range ` type, making it possible to implement it for user types. (#274 )
80- - Added ` Range::new_inclusive ` for inclusive ranges. (#274 )
81- - Added ` Range::sample_single ` to allow for optimized implementations. (#274 )
82- - Uses widening multiply method for much faster integer range reduction. (#274 )
75+ - Deprecate ` Rand ` , ` Sample ` and ` IndependentSample ` traits. (#256 )
76+ - Add a ` Uniform ` distribution (replaces most ` Rand ` implementations). (#256 )
77+ - Add ` Binomial ` and ` Poisson ` distributions. (#96 )
78+ - Add ` Alphanumeric ` distribution. (#279 )
79+ - Remove ` Open01 ` and ` Closed01 ` distributions, use ` Uniform ` instead (open distribution). (#274 )
80+ - Rework ` Range ` type, making it possible to implement it for user types. (#274 )
81+ - Add ` Range::new_inclusive ` for inclusive ranges. (#274 )
82+ - Add ` Range::sample_single ` to allow for optimized implementations. (#274 )
83+ - Use widening multiply method for much faster integer range reduction. (#274 )
8384- ` Uniform ` distributions for ` bool ` uses ` Range ` . (#274 )
8485- ` Uniform ` distributions for ` bool ` uses sign test. (#274 )
85- - Added ` HighPrecision01 ` distribution. (#320 )
86+ - Add ` HighPrecision01 ` distribution. (#320 )
8687
8788
8889## [ 0.4.2] - 2018-01-06
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