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diff --git a/rand/CHANGELOG.md b/rand/CHANGELOG.md index 1811b45..489df48 100644 --- a/rand/CHANGELOG.md +++ b/rand/CHANGELOG.md @@ -2,22 +2,224 @@ 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](http://semver.org/spec/v2.0.0.html). +and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). + +A [separate changelog is kept for rand_core](rand_core/CHANGELOG.md). + +You may also find the [Upgrade Guide](https://rust-random.github.io/book/update.html) useful. + + +## [0.6.1] - 2018-11-22 +- Support sampling `Duration` also for `no_std` (only since Rust 1.25) (#649) +- Disable default features of `libc` (#647) + +## [0.6.0] - 2018-11-14 + +### Project organisation +- Rand has moved from [rust-lang-nursery](https://github.com/rust-lang-nursery/rand) + to [rust-random](https://github.com/rust-random/rand)! (#578) +- Created [The Rust Random Book](https://rust-random.github.io/book/) + ([source](https://github.com/rust-random/book)) +- Update copyright and licence notices (#591, #611) +- Migrate policy documentation from the wiki (#544) + +### Platforms +- Add fork protection on Unix (#466) +- Added support for wasm-bindgen. (#541, #559, #562, #600) +- Enable `OsRng` for powerpc64, sparc and sparc64 (#609) +- Use `syscall` from `libc` on Linux instead of redefining it (#629) + +### RNGs +- Switch `SmallRng` to use PCG (#623) +- Implement `Pcg32` and `Pcg64Mcg` generators (#632) +- Move ISAAC RNGs to a dedicated crate (#551) +- Move Xorshift RNG to its own crate (#557) +- Move ChaCha and HC128 RNGs to dedicated crates (#607, #636) +- Remove usage of `Rc` from `ThreadRng` (#615) + +### Sampling and distributions +- Implement `Rng.gen_ratio()` and `Bernoulli::new_ratio()` (#491) +- Make `Uniform` strictly respect `f32` / `f64` high/low bounds (#477) +- Allow `gen_range` and `Uniform` to work on non-`Copy` types (#506) +- `Uniform` supports inclusive ranges: `Uniform::from(a..=b)`. This is + automatically enabled for Rust >= 1.27. (#566) +- Implement `TrustedLen` and `FusedIterator` for `DistIter` (#620) + +#### New distributions +- Add the `Dirichlet` distribution (#485) +- Added sampling from the unit sphere and circle. (#567) +- Implement the triangular distribution (#575) +- Implement the Weibull distribution (#576) +- Implement the Beta distribution (#574) + +#### Optimisations + +- Optimise `Bernoulli::new` (#500) +- Optimise `char` sampling (#519) +- Optimise sampling of `std::time::Duration` (#583) + +### Sequences +- Redesign the `seq` module (#483, #515) +- Add `WeightedIndex` and `choose_weighted` (#518, #547) +- Optimised and changed return type of the `sample_indices` function. (#479) +- Use `Iterator::size_hint()` to speed up `IteratorRandom::choose` (#593) + +### SIMD +- Support for generating SIMD types (#523, #542, #561, #630) + +### Other +- Revise CI scripts (#632, #635) +- Remove functionality already deprecated in 0.5 (#499) +- Support for `i128` and `u128` is automatically enabled for Rust >= 1.26. This + renders the `i128_support` feature obsolete. It still exists for backwards + compatibility but does not have any effect. This breaks programs using Rand + with `i128_support` on nightlies older than Rust 1.26. (#571) + + +## [0.5.5] - 2018-08-07 +### Documentation +- Fix links in documentation (#582) + + +## [0.5.4] - 2018-07-11 +### Platform support +- Make `OsRng` work via WASM/stdweb for WebWorkers + + +## [0.5.3] - 2018-06-26 +### Platform support +- OpenBSD, Bitrig: fix compilation (broken in 0.5.1) (#530) + + +## [0.5.2] - 2018-06-18 +### Platform support +- Hide `OsRng` and `JitterRng` on unsupported platforms (#512; fixes #503). + + +## [0.5.1] - 2018-06-08 + +### New distributions +- Added Cauchy distribution. (#474, #486) +- Added Pareto distribution. (#495) + +### Platform support and `OsRng` +- Remove blanket Unix implementation. (#484) +- Remove Wasm unimplemented stub. (#484) +- Dragonfly BSD: read from `/dev/random`. (#484) +- Bitrig: use `getentropy` like OpenBSD. (#484) +- Solaris: (untested) use `getrandom` if available, otherwise `/dev/random`. (#484) +- Emscripten, `stdweb`: split the read up in chunks. (#484) +- Emscripten, Haiku: don't do an extra blocking read from `/dev/random`. (#484) +- Linux, NetBSD, Solaris: read in blocking mode on first use in `fill_bytes`. (#484) +- Fuchsia, CloudABI: fix compilation (broken in Rand 0.5). (#484) + + +## [0.5.0] - 2018-05-21 + +### Crate features and organisation +- Minimum Rust version update: 1.22.0. (#239) +- Create a separate `rand_core` crate. (#288) +- Deprecate `rand_derive`. (#256) +- Add `prelude` (and module reorganisation). (#435) +- Add `log` feature. Logging is now available in `JitterRng`, `OsRng`, `EntropyRng` and `ReseedingRng`. (#246) +- Add `serde1` feature for some PRNGs. (#189) +- `stdweb` feature for `OsRng` support on WASM via stdweb. (#272, #336) + +### `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 +- `rand` now depends on new `rand_core` crate (#288) +- `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` and `BlockRng64` wrappers to help implementations. (#281, #325) +- 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 `FromEntropy` trait. (#233, #375) +- Add `SmallRng` wrapper. (#296) +- Rewrite `ReseedingRng` to only work with `BlockRngCore` (substantial performance improvement). (#281) +- Deprecate `weak_rng`. Use `SmallRng` instead. (#296) +- Deprecate `AsciiGenerator`. (#279) + +### Random number generators +- Switch `StdRng` and `thread_rng` to HC-128. (#277) +- `StdRng` must now be created with `from_entropy` instead of `new` +- Change `thread_rng` reseeding threshold to 32 MiB. (#277) +- PRNGs no longer implement `Copy`. (#209) +- `Debug` implementations no longer show internals. (#209) +- Implement `Clone` for `ReseedingRng`, `JitterRng`, OsRng`. (#383, #384) +- Implement serialization for `XorShiftRng`, `IsaacRng` and `Isaac64Rng` under the `serde1` 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) +- Add the HC-128 CSPRNG `Hc128Rng`. (#210) +- Change ChaCha20 to have 64-bit counter and 64-bit stream. (#349) +- 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) +- WASM support for `OsRng` via stdweb, behind the `stdweb` feature. (#272, #336) +- Use `getrandom` on more platforms for Linux, and on Android. (#338) +- Use the `SecRandomCopyBytes` interface on macOS. (#322) +- On systems that do not have a syscall interface, only keep a single file descriptor open for `OsRng`. (#239) +- On Unix, first try a single read from `/dev/random`, then `/dev/urandom`. (#338) +- 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) +- Add `Distribution::sample_iter` and `Rng::::sample_iter`. (#361) +- Deprecate `Rand`, `Sample` and `IndependentSample` traits. (#256) +- Add a `Standard` distribution (replaces most `Rand` implementations). (#256) +- Add `Binomial` and `Poisson` distributions. (#96) +- Add `Bernoulli` dsitribution. (#411) +- Add `Alphanumeric` distribution. (#279) +- Remove `Closed01` distribution, add `OpenClosed01`. (#274, #420) +- Rework `Range` type, making it possible to implement it for user types. (#274) +- Rename `Range` to `Uniform`. (#395) +- Add `Uniform::new_inclusive` for inclusive ranges. (#274) +- Use widening multiply method for much faster integer range reduction. (#274) +- `Standard` distribution for `char` uses `Uniform` internally. (#274) +- `Standard` distribution for `bool` uses sign test. (#274) +- Implement `Standard` distribution for `Wrapping<T>`. (#436) +- Implement `Uniform` distribution for `Duration`. (#427) + ## [0.4.3] - 2018-08-16 ### Fixed - Use correct syscall number for PowerPC (#589) -## [0.4.2] - 2018-01-05 + +## [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 @@ -33,6 +235,20 @@ and this project adheres to [Semantic Versioning](http://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 @@ -181,7 +397,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0. - Compatible with Rust master ### Removed -- Removed Copy inplementaions from RNGs +- Removed Copy implementations from RNGs ## [0.1.2] - 2015-02-03 @@ -227,7 +443,7 @@ and this project adheres to [Semantic Versioning](http://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>>`, @@ -266,4 +482,3 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0. ## [0.10-pre] - 2014-03-02 ### Added - Seperate `rand` out of the standard library - |