kmath/CHANGELOG.md

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# KMath
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## [Unreleased]
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### Added
- ScaleOperations interface
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- Field extends ScaleOperations
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- Basic integration API
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- Basic MPP distributions and samplers
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- bindSymbolOrNull
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- Blocking chains and Statistics
- Multiplatform integration
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- Integration for any Field element
- Extended operations for ND4J fields
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- Jupyter Notebook integration module (kmath-jupyter)
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### Changed
- Exponential operations merged with hyperbolic functions
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- Space is replaced by Group. Space is reserved for vector spaces.
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- VectorSpace is now a vector space
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- Buffer factories for primitives moved to MutableBuffer.Companion
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- NDStructure and NDAlgebra to StructureND and AlgebraND respectively
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- Real -> Double
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- DataSets are moved from functions to core
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- Redesign advanced Chain API
- Redesign MST. Remove MSTExpression.
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- Move MST to core
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- Separated benchmarks and examples
- Rewritten EJML module without ejml-simple
- Stability of kmath-ast and kmath-kotilngrad promoted to EXPERIMENTAL.
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### Deprecated
### Removed
- Nearest in Domain. To be implemented in geometry package.
- Number multiplication and division in main Algebra chain
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- `contentEquals` from Buffer. It moved to the companion.
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- MSTExpression
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- Expression algebra builders
- Complex and Quaternion no longer are elements.
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### Fixed
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- Ring inherits RingOperations, not GroupOperations
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### Security
## [0.2.0]
### 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)
2020-09-27 11:13:30 +03:00
- 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)
- A separate `Symbol` entity, which is used for global unbound symbol.
- A `Symbol` indexing scope.
- Basic optimization API for Commons-math.
- 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`
- Coroutine-deterministic Monte-Carlo scope with a random number generator
- Some minor utilities to `kmath-for-real`
2020-12-01 21:21:56 +03:00
- Generic operation result parameter to `MatrixContext`
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- New `MatrixFeature` interfaces for matrix decompositions
- Basic Quaternion vector support in `kmath-complex`.
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### Changed
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- Package changed from `scientifik` to `space.kscience`
- Gradle version: 6.6 -> 6.8.2
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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 -> 1.4.30
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- `kmath-ast` doesn't depend on heavy `kotlin-reflect` library
- Full autodiff refactoring based on `Symbol`
2020-10-28 09:16:21 +03:00
- `kmath-prob` renamed to `kmath-stat`
- Grid generators moved to `kmath-for-real`
2020-11-29 13:32:20 +03:00
- Use `Point<Double>` instead of specialized type in `kmath-for-real`
2020-11-29 21:38:12 +03:00
- Optimized dot product for buffer matrices moved to `kmath-for-real`
- EjmlMatrix context is an object
- Matrix LUP `inverse` renamed to `inverseWithLup`
- `NumericAlgebra` moved outside of regular algebra chain (`Ring` no longer implements it).
2021-01-19 19:32:13 +03:00
- Features moved to NDStructure and became transparent.
2021-01-24 18:30:52 +03:00
- Capitalization of LUP in many names changed to Lup.
2021-01-22 23:22:24 +03:00
- Refactored `NDStructure` algebra to be more simple, preferring under-the-hood conversion to explicit NDStructure types
2021-01-30 11:24:34 +03:00
- Refactor histograms. They are marked as prototype
2021-01-19 16:17:53 +03:00
- `Complex` and related features moved to a separate module `kmath-complex`
2021-02-04 11:00:08 +03:00
- Refactor AlgebraElement
2021-02-18 11:17:28 +03:00
- `symbol` method in `Algebra` renamed to `bindSymbol` to avoid ambiguity
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- Add `out` projection to `Buffer` generic
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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)
- `toGrid` method.
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- Public visibility of `BufferAccessor2D`
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- `Real` class
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- StructureND identity and equals
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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)
2020-08-15 13:00:17 +03:00
- Multiplication of BigInt by scalar