kmath/CHANGELOG.md

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# KMath
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## [Unreleased]
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### Added
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- `fun` annotation for SAM interfaces in library
- Explicit `public` visibility for all public APIs
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- Better trigonometric and hyperbolic functions for `AutoDiffField` (https://github.com/mipt-npm/kmath/pull/140).
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- Automatic README generation for features (#139)
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- Native support for `memory`, `core` and `dimensions`
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- `kmath-ejml` to supply EJML SimpleMatrix wrapper.
- Basic Quaternion vector support.
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### Changed
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- Package changed from `scientifik` to `kscience.kmath`.
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- Gradle version: 6.6 -> 6.7
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- Minor exceptions refactor (throwing `IllegalArgumentException` by argument checks instead of `IllegalStateException`)
- `Polynomial` secondary constructor made function.
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- Kotlin version: 1.3.72 -> 1.4.20-M1
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- `kmath-ast` doesn't depend on heavy `kotlin-reflect` library.
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### Deprecated
### Removed
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- `kmath-koma` module because it doesn't support Kotlin 1.4.
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- Support of `legacy` JS backend (we will support only IR)
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### Fixed
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- `symbol` method in `MstExtendedField` (https://github.com/mipt-npm/kmath/pull/140)
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### Security
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## [0.1.4]
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### Added
- Functional Expressions API
- Mathematical Syntax Tree, its interpreter and API
- String to MST parser (https://github.com/mipt-npm/kmath/pull/120)
- MST to JVM bytecode translator (https://github.com/mipt-npm/kmath/pull/94)
- FloatBuffer (specialized MutableBuffer over FloatArray)
- FlaggedBuffer to associate primitive numbers buffer with flags (to mark values infinite or missing, etc.)
- Specialized builder functions for all primitive buffers like `IntBuffer(25) { it + 1 }` (https://github.com/mipt-npm/kmath/pull/125)
- Interface `NumericAlgebra` where `number` operation is available to convert numbers to algebraic elements
- Inverse trigonometric functions support in ExtendedField (`asin`, `acos`, `atan`) (https://github.com/mipt-npm/kmath/pull/114)
- New space extensions: `average` and `averageWith`
- Local coding conventions
- Geometric Domains API in `kmath-core`
- Blocking chains in `kmath-coroutines`
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- Full hyperbolic functions support and default implementations within `ExtendedField`
- Norm support for `Complex`
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### Changed
- `readAsMemory` now has `throws IOException` in JVM signature.
- Several functions taking functional types were made `inline`.
- Several functions taking functional types now have `callsInPlace` contracts.
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- BigInteger and BigDecimal algebra: JBigDecimalField has companion object with default math context; minor optimizations
- `power(T, Int)` extension function has preconditions and supports `Field<T>`
- Memory objects have more preconditions (overflow checking)
- `tg` function is renamed to `tan` (https://github.com/mipt-npm/kmath/pull/114)
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- Gradle version: 6.3 -> 6.6
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- Moved probability distributions to commons-rng and to `kmath-prob`
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### Fixed
- Missing copy method in Memory implementation on JS (https://github.com/mipt-npm/kmath/pull/106)
- D3.dim value in `kmath-dimensions`
- Multiplication in integer rings in `kmath-core` (https://github.com/mipt-npm/kmath/pull/101)
- Commons RNG compatibility (https://github.com/mipt-npm/kmath/issues/93)
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- Multiplication of BigInt by scalar