93 lines
4.5 KiB
Markdown
93 lines
4.5 KiB
Markdown
# KMath
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## [Unreleased]
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### Added
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- `fun` annotation for SAM interfaces in library
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- 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 (https://github.com/mipt-npm/kmath/pull/136)
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- A separate `Symbol` entity, which is used for global unbound symbol.
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- A `Symbol` indexing scope.
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- Basic optimization API for Commons-math.
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- Chi squared optimization for array-like data in CM
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- `Fitting` utility object in prob/stat
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- ND4J support module submitting `NDStructure` and `NDAlgebra` over `INDArray`
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- Coroutine-deterministic Monte-Carlo scope with a random number generator
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- Some minor utilities to `kmath-for-real`
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- Generic operation result parameter to `MatrixContext`
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- New `MatrixFeature` interfaces for matrix decompositions
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- Basic Quaternion vector support in `kmath-complex`.
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### Changed
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- Package changed from `scientifik` to `kscience.kmath`
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- Gradle version: 6.6 -> 6.8
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- Minor exceptions refactor (throwing `IllegalArgumentException` by argument checks instead of `IllegalStateException`)
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- `Polynomial` secondary constructor made function
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- Kotlin version: 1.3.72 -> 1.4.21
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- `kmath-ast` doesn't depend on heavy `kotlin-reflect` library
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- Full autodiff refactoring based on `Symbol`
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- `kmath-prob` renamed to `kmath-stat`
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- Grid generators moved to `kmath-for-real`
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- Use `Point<Double>` instead of specialized type in `kmath-for-real`
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- Optimized dot product for buffer matrices moved to `kmath-for-real`
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- EjmlMatrix context is an object
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- Matrix LUP `inverse` renamed to `inverseWithLup`
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- `NumericAlgebra` moved outside of regular algebra chain (`Ring` no longer implements it).
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- Features moved to NDStructure and became transparent.
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- Capitalization of LUP in many names changed to Lup.
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- Refactored `NDStructure` algebra to be more simple, preferring under-the-hood conversion to explicit NDStructure types
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- Refactor histograms. They are marked as prototype
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- `Complex` and related features moved to a separate module `kmath-complex`
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### Deprecated
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### 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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- `toGrid` method.
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- Public visibility of `BufferAccessor2D`
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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
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- Functional Expressions API
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- Mathematical Syntax Tree, its interpreter and API
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- String to MST parser (https://github.com/mipt-npm/kmath/pull/120)
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- MST to JVM bytecode translator (https://github.com/mipt-npm/kmath/pull/94)
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- FloatBuffer (specialized MutableBuffer over FloatArray)
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- FlaggedBuffer to associate primitive numbers buffer with flags (to mark values infinite or missing, etc.)
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- Specialized builder functions for all primitive buffers like `IntBuffer(25) { it + 1 }` (https://github.com/mipt-npm/kmath/pull/125)
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- Interface `NumericAlgebra` where `number` operation is available to convert numbers to algebraic elements
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- Inverse trigonometric functions support in ExtendedField (`asin`, `acos`, `atan`) (https://github.com/mipt-npm/kmath/pull/114)
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- New space extensions: `average` and `averageWith`
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- Local coding conventions
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- Geometric Domains API in `kmath-core`
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- Blocking chains in `kmath-coroutines`
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- Full hyperbolic functions support and default implementations within `ExtendedField`
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- Norm support for `Complex`
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### Changed
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- `readAsMemory` now has `throws IOException` in JVM signature.
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- Several functions taking functional types were made `inline`.
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- 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
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- `power(T, Int)` extension function has preconditions and supports `Field<T>`
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- Memory objects have more preconditions (overflow checking)
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- `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
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- Missing copy method in Memory implementation on JS (https://github.com/mipt-npm/kmath/pull/106)
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- D3.dim value in `kmath-dimensions`
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- Multiplication in integer rings in `kmath-core` (https://github.com/mipt-npm/kmath/pull/101)
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- Commons RNG compatibility (https://github.com/mipt-npm/kmath/issues/93)
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- Multiplication of BigInt by scalar
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