forked from kscience/kmath
Merge branch 'dev' into altavir/tensor-algebra
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commit
9ef32db236
21
CHANGELOG.md
21
CHANGELOG.md
@ -4,27 +4,28 @@
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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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- 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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- `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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- 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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### Changed
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- Package changed from `scientifik` to `kscience.kmath`.
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- Gradle version: 6.6 -> 6.7.1
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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 -> 1.4.20
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- `kmath-ast` doesn't depend on heavy `kotlin-reflect` library.
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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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@ -43,7 +43,7 @@ public class BufferMatrix<T : Any>(
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if (this === other) return true
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return when (other) {
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is NDStructure<*> -> NDStructure.equals(this, other)
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is NDStructure<*> -> NDStructure.contentEquals(this, other)
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else -> false
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}
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}
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@ -54,7 +54,7 @@ public interface NDStructure<T> {
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/**
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* Indicates whether some [NDStructure] is equal to another one.
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*/
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public fun equals(st1: NDStructure<*>, st2: NDStructure<*>): Boolean {
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public fun contentEquals(st1: NDStructure<*>, st2: NDStructure<*>): Boolean {
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if (st1 === st2) return true
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// fast comparison of buffers if possible
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@ -275,7 +275,7 @@ public abstract class NDBuffer<T> : NDStructure<T> {
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override fun elements(): Sequence<Pair<IntArray, T>> = strides.indices().map { it to this[it] }
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override fun equals(other: Any?): Boolean {
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return NDStructure.equals(this, other as? NDStructure<*> ?: return false)
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return NDStructure.contentEquals(this, other as? NDStructure<*> ?: return false)
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}
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override fun hashCode(): Int {
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@ -24,7 +24,7 @@ public class LazyNDStructure<T>(
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}
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public override fun equals(other: Any?): Boolean {
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return NDStructure.equals(this, other as? NDStructure<*> ?: return false)
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return NDStructure.contentEquals(this, other as? NDStructure<*> ?: return false)
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}
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public override fun hashCode(): Int {
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@ -3,6 +3,7 @@ package kscience.kmath.ejml
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import kscience.kmath.linear.*
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import kscience.kmath.misc.UnstableKMathAPI
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import kscience.kmath.structures.Matrix
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import kscience.kmath.structures.NDStructure
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import kscience.kmath.structures.RealBuffer
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import org.ejml.dense.row.factory.DecompositionFactory_DDRM
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import org.ejml.simple.SimpleMatrix
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@ -15,7 +16,7 @@ import kotlin.reflect.cast
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* @property origin the underlying [SimpleMatrix].
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* @author Iaroslav Postovalov
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*/
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public inline class EjmlMatrix(
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public class EjmlMatrix(
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public val origin: SimpleMatrix,
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) : Matrix<Double> {
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public override val rowNum: Int get() = origin.numRows()
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@ -49,7 +50,7 @@ public inline class EjmlMatrix(
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override val q: Matrix<Double> by lazy { EjmlMatrix(SimpleMatrix(qr.getQ(null, false))) }
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override val r: Matrix<Double> by lazy { EjmlMatrix(SimpleMatrix(qr.getR(null, false))) }
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}
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CholeskyDecompositionFeature::class -> object : CholeskyDecompositionFeature<Double> {
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CholeskyDecompositionFeature::class -> object : CholeskyDecompositionFeature<Double> {
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override val l: Matrix<Double> by lazy {
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val cholesky =
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DecompositionFactory_DDRM.chol(rowNum, true).apply { decompose(origin.ddrm.copy()) }
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@ -57,7 +58,7 @@ public inline class EjmlMatrix(
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EjmlMatrix(SimpleMatrix(cholesky.getT(null))) + LFeature
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}
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}
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LupDecompositionFeature::class -> object : LupDecompositionFeature<Double> {
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LupDecompositionFeature::class -> object : LupDecompositionFeature<Double> {
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private val lup by lazy {
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DecompositionFactory_DDRM.lu(origin.numRows(), origin.numCols()).apply { decompose(origin.ddrm.copy()) }
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}
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@ -73,7 +74,17 @@ public inline class EjmlMatrix(
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override val p: Matrix<Double> by lazy { EjmlMatrix(SimpleMatrix(lup.getRowPivot(null))) }
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}
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else -> null
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}?.let{type.cast(it)}
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}?.let { type.cast(it) }
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public override operator fun get(i: Int, j: Int): Double = origin[i, j]
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override fun equals(other: Any?): Boolean {
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if (this === other) return true
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if (other !is Matrix<*>) return false
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return NDStructure.contentEquals(this, other)
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}
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override fun hashCode(): Int = origin.hashCode()
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}
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