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145 lines
3.5 KiB
Markdown
145 lines
3.5 KiB
Markdown
# Changelog
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This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## 0.3.6 - 2022-09-18
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### Features
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* GCD, greatest common divisor.
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* Extended GCD (GCD with Bézout coefficients).
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* Modular inverse.
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* Modular division.
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## 0.3.5 - 2022-03-12
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### Bugfixes
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* Corrected too-strict lifetimes in modular exponentiation.
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### Dependencies
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* Removed the dependency on `const_fn_assert`.
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## 0.3.4 - 2021-11-03
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### Features
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* Optional `serde` support for `UBig` and `IBig`.
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### Toolchain
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* Rust 1.49+ is now required.
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### Dependencies
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* Added an optional dependency on `serde`.
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## 0.3.3 - 2021-10-28
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### Features
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* Mixed-type arithmetic with primitive integer types.
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Allows `x + 1` instead of `x + ubig!(1)`.
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This breaks with the convention that arithmetic operators require same type on both sides. A better alternative would be user-defined custom integer literals, so that `1` could be inferred to have type `UBig`. But Rust does not support this yet. So this is a workaround for the sake of ergonomics.
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## 0.3.2 - 2021-05-02
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### Toolchain
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* Rust 1.47+ is now supported.
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### Dependencies
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* Added a dependency on `cfg-if`.
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## 0.3.1 - 2021-04-03
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### Features
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* Maximum supported length in bits: `UBig::MAX_BIT_LEN`.
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### Fixes
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* Broken build for `aarch64`, `mips64` and` powerpc64` fixed.
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### Dependencies
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* Added a dependency on `const_fn_assert`.
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## 0.3.0 - 2021-03-29
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### Breaking changes
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* Removed `prelude`.
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* Split into modules:
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* Moved `InRadix` to `fmt`.
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* Moved operator traits to `ops`.
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* Moved errors to `error`.
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* Moved distributions to `rand`.
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* Removed deprecated `IBig::is_positive`, `IBig::is_negative`.
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Just compare with `ibig!(0)` instead.
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* Shift left and right now only accepts `usize` for the number of bits, for consistency
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with other bit addressing operations and exponents.
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## 0.2.2 - 2021-03-28
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### Features
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* Modular arithmetic: `ModuloRing`, `Modulo`.
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* Conversions to floating point: `to_f32`, `to_f64`. Rounds to nearest, breaking ties to even.
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* `From<bool>` for `IBig`.
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## 0.2.1 - 2021-03-14
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### License
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* Loosened the license to either MIT or Apache-2.0.
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### Features
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* Implemented num-traits traits.
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### Deprecated features
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* `IBig::is_positive`, `IBig::is_negative`. Just use `> ibig!(0)`, `< ibig!(0)`.
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### Dependencies
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* Added optional dependency on `num-traits 0.2.14`.
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* Removed dependency on `ascii`.
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## 0.2.0 - 2021-03-11
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### Removed features
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* Removed deprecated functions `to_str_radix`, `to_str_radix_uppercase`, `ilog2`.
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## 0.1.2 - 2021-03-09
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### New features
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* `bit_len`
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### Deprecated features
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* `to_str_radix`, `to_str_radix_uppercase`. Use `in_radix(...)` instead.
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* `ilog2`. Use `bit_len` instead.
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### Dependencies
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* Added a dependency on `static_assertions 1.1`.
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* Bumped `rand` to `0.8.3`.
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### Performance
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* Large division improved. Now uses a divide and conquer algorithm, O(n^1.47).
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* Large `parse` improved using a divide and conquer algorithm, O(n^1.47).
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* Large `to_string` improved using a divide and conquer algorithm, O(n^1.47).
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* Other minor performance improvements.
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## 0.1.1 - 2021-03-03
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### New features
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* Hashing.
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* Exponentiation.
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* Random sampling (optional dependency on `rand 0.8`).
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### Performance
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* Multiplication improved, now uses Karatsuba and Toom-Cook-3 algorithms, O(n^1.47).
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### Examples
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* `factorial` prints 1000000! in hexadecimal.
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## 0.1.0 - 2021-02-25
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The initial usable version.
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### Features
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* All basic arithmetic and bitwise operations.
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* Parsing and formatting.
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* Constructor macros.
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### Performance
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* Operations on very large numbers are still slow.
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