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Update changelog #321

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Update changelog
pitdicker Mar 22, 2018
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Add changelog to rand-core
pitdicker Feb 1, 2018
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Change to imperative language, and address review comments
pitdicker Mar 22, 2018
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104 changes: 101 additions & 3 deletions CHANGELOG.md
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Expand Up @@ -4,16 +4,100 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [0.4.2] - 2018-01-05

## [0.5.0] - Unreleased

### Crate features and organisation
- Minimum Rust version update: 1.22.0. (#239)
- Create a seperate `rand-core` crate. (#288)
- Deprecate `rand_derive`. (#256)
- Add `log` feature. Logging is now available in `JitterRng`, `OsRng`, `EntropyRng` and `ReseedingRng`. (#246)
- Add `serde-1` feature for some PRNGs. (#189)

### `Rng` trait
- Split `Rng` in `RngCore` and `Rng` extension trait.
`next_u32`, `next_u64` and `fill_bytes` are now part of `RngCore`. (#265)
- Add `Rng::sample`. (#256)
- Deprecate `Rng::gen_weighted_bool`. (#308)
- Add `Rng::gen_bool`. (#308)
- Remove `Rng::next_f32` and `Rng::next_f64`. (#273)
- Add optimized `Rng::fill` and `Rng::try_fill` methods. (#247)
- Deprecate `Rng::gen_iter`. (#286)
- Deprecate `Rng::gen_ascii_chars`. (#279)

### `rand-core` crate
(changes included here because they greatly influence the Rand crate)
- `RngCore` and `SeedableRng` are now part of `rand-core`. (#288)
- Add modules to help implementing RNGs `impl` and `le`. (#209, #228)
- Add `Error` and `ErrorKind`. (#225)
- Add `CryptoRng` marker trait. (#273)
- Add `BlockRngCore` trait. (#281)
- Add `BlockRng` wrapper to help implementations. (#281)
- Revise the `SeedableRng` trait. (#233)
- Remove default implementations for `RngCore::next_u64` and `RngCore::fill_bytes`. (#288)
- Add `RngCore::try_fill_bytes`. (#225)

### Other traits and types
- Add `NewRng` trait. (#233)
- Add `SmallRng` wrapper. (#296)
- Rewrite `ReseedingRng` to only work with `BlockRngCore` (substantial performance improvement). (#281)
- Deprecate `weak_rng`. Use `SmallRng` instead. (#296)
- Deprecate `random`. (#296)
- Deprecate `AsciiGenerator`. (#279)

### Random number generators
- Switch `StdRng` and `thread_rng` to HC-128. (#277)
- Change `thread_rng` reseeding threshold to 32 MiB. (#277)
- PRNGs no longer implement `Copy`. (#209)
- `Debug` implementations no longer show internals. (#209)
- Implement serialisation for `XorShiftRng`, `IsaacRng` and `Isaac64Rng` under the `serde-1` feature. (#189)
- Implement `BlockRngCore` for `ChaChaCore` and `Hc128Core`. (#281)
- All PRNGs are now portable across big- and little-endian architectures. (#209)
- `Isaac64Rng::next_u32` no longer throws away half the results. (#209)
- Add `IsaacRng::new_from_u64` and `Isaac64Rng::new_from_u64`. (#209)
- Remove `IsaacWordRng` wrapper. (#277)
- Add the HC-128 CSPRNG `Hc128Rng`. (#210)
- Add `ChaChaRng::set_rounds` method. (#243)
- Changes to `JitterRng` to get its size down from 2112 to 24 bytes. (#251)
- Various performance improvements to all PRNGs.

### Platform support and `OsRng`
- Add support for CloudABI. (#224)
- Remove support for NaCl. (#225)
- Replace stubs with proper WASM support in `OsRng`. (#272)
- On systems that do not have a syscall interface, only keep a single file descriptor open for `OsRng`. (#239)
- Better error handling and reporting in `OsRng` (using new error type). (#225)
- `OsRng` now uses non-blocking when available. (#225)
- Add `EntropyRng`, which provides `OsRng`, but has `JitterRng` as a fallback. (#235)

### Distributions
- New `Distribution` trait. (#256)
- Deprecate `Rand`, `Sample` and `IndependentSample` traits. (#256)
- Add a `Uniform` distribution (replaces most `Rand` implementations). (#256)
- Add `Binomial` and `Poisson` distributions. (#96)
- Add `Alphanumeric` distribution. (#279)
- Remove `Open01` and `Closed01` distributions, use `Uniform` instead (open distribution). (#274)
- Rework `Range` type, making it possible to implement it for user types. (#274)
- Add `Range::new_inclusive` for inclusive ranges. (#274)
- Add `Range::sample_single` to allow for optimized implementations. (#274)
- Use widening multiply method for much faster integer range reduction. (#274)
- `Uniform` distributions for `bool` uses `Range`. (#274)
- `Uniform` distributions for `bool` uses sign test. (#274)
- Add `HighPrecision01` distribution. (#320)


## [0.4.2] - 2018-01-06
### Changed
- Use winapi on Windows
- Use `winapi` on Windows
- Update for Fuchsia OS
- Remove dev-dependency on `log`


## [0.4.1] - 2017-12-17
### Added
- `no_std` support


## [0.4.0-pre.0] - 2017-12-11
### Added
- `JitterRng` added as a high-quality alternative entropy source using the
Expand All @@ -29,6 +113,20 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Deprecated
- `sample` function deprecated (replaced by `sample_iter`)


## [0.3.20] - 2018-01-06
### Changed
- Remove dev-dependency on `log`
- Update `fuchsia-zircon` dependency to 0.3.2


## [0.3.19] - 2017-12-27
### Changed
- Require `log <= 0.3.8` for dev builds
- Update `fuchsia-zircon` dependency to 0.3
- Fix broken links in docs (to unblock compiler docs testing CI)


## [0.3.18] - 2017-11-06
### Changed
- `thread_rng` is seeded from the system time if `OsRng` fails
Expand Down Expand Up @@ -223,7 +321,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- `Rng::gen_ascii_chars()` which will return an infinite stream of random ascii characters

### Changed
- Now only depends on libcore! 2adf5363f88ffe06f6d2ea5c338d1b186d47f4a1
- Now only depends on libcore!
- Remove `Rng.choose()`, rename `Rng.choose_option()` to `.choose()`
- Rename OSRng to OsRng
- The WeightedChoice structure is no longer built with a `Vec<Weighted<T>>`,
Expand Down
23 changes: 23 additions & 0 deletions rand-core/CHANGELOG.md
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# Changelog
All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).


## [0.1.0] - Unreleased

### `rand-core` crate
(Split out of the Rand crate, changes here are relative to rand 0.4.2)
- `RngCore` and `SeedableRng` are now part of `rand-core`. (#288)
- Add modules to help implementing RNGs `impl` and `le`. (#209, #228)
- Add `Error` and `ErrorKind`. (#225)
- Add `CryptoRng` marker trait. (#273)
- Add `BlockRngCore` trait. (#281)
- Add `BlockRng` wrapper to help implemtations. (#281)
- Revise the `SeedableRng` trait. (#233)
- Remove default implementations for `RngCore::next_u64` and `RngCore::fill_bytes`. (#288)
- Add `RngCore::try_fill_bytes`. (#225)

## [0.0.1] - 2017-09-14
Experimental version as part of the rand crate refactor.