Merge branch 'dev' into dev-0.4

# Conflicts:
#	buildSrc/settings.gradle.kts
#	gradle.properties
#	gradle/wrapper/gradle-wrapper.properties
#	kmath-geometry/src/commonMain/kotlin/space/kscience/kmath/geometry/euclidean2d/Circle2D.kt
#	kmath-geometry/src/commonMain/kotlin/space/kscience/kmath/geometry/euclidean2d/Float32Space2D.kt
#	kmath-geometry/src/commonMain/kotlin/space/kscience/kmath/geometry/euclidean2d/Float64Space2D.kt
#	kmath-geometry/src/commonMain/kotlin/space/kscience/kmath/geometry/quaternionOperations.kt

CHANGELOG.md

@@ -19,6 +19,7 @@
 ### Deprecated
 
 ### Removed
+- `asPolynomial` function due to scope pollution
 
 ### Fixed
 - Median statistics

build.gradle.kts

@@ -1,4 +1,3 @@
-import space.kscience.gradle.isInDevelopment
 import space.kscience.gradle.useApache2Licence
 import space.kscience.gradle.useSPCTeam
 
@@ -64,17 +63,10 @@ ksciencePublish {
         useApache2Licence()
         useSPCTeam()
     }
-    github("kmath", "SciProgCentre")
+    repository("spc","https://maven.sciprog.center/kscience")
-    space(
-        if (isInDevelopment) {
-            "https://maven.pkg.jetbrains.space/spc/p/sci/dev"
-        } else {
-            "https://maven.pkg.jetbrains.space/spc/p/sci/maven"
-        }
-    )
     sonatype("https://oss.sonatype.org")
 }
 
 apiValidation.nonPublicMarkers.add("space.kscience.kmath.UnstableKMathAPI")
 
-val multikVersion by extra("0.2.0")
+val multikVersion by extra("0.2.2")

buildSrc/build.gradle.kts

@@ -17,7 +17,7 @@ val benchmarksVersion = spclibs.versions.kotlinx.benchmark.get()
 dependencies {
     api("space.kscience:gradle-tools:$toolsVersion")
     //plugins form benchmarks
-    api("org.jetbrains.kotlinx:kotlinx-benchmark-plugin:0.4.7")
+    api("org.jetbrains.kotlinx:kotlinx-benchmark-plugin:0.4.9")
     //api("org.jetbrains.kotlin:kotlin-allopen:$kotlinVersion")
     //to be used inside build-script only
     //implementation(spclibs.kotlinx.serialization.json)

buildSrc/settings.gradle.kts

@@ -1,4 +1,13 @@
-rootProject.name = "buildSrc"
+/*
+ * Copyright 2018-2021 KMath contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
+
+plugins {
+    id("org.gradle.toolchains.foojay-resolver-convention") version "0.7.0"
+}
 
 dependencyResolutionManagement {
     val projectProperties = java.util.Properties()

buildSrc/src/main/kotlin/space/kscience/kmath/benchmarks/addBenchmarkProperties.kt

@@ -54,9 +54,9 @@ fun Project.addBenchmarkProperties() {
         p.extensions.findByType(KScienceReadmeExtension::class.java)?.run {
             benchmarksProject.extensions.findByType(BenchmarksExtension::class.java)?.configurations?.forEach { cfg ->
                 property("benchmark${cfg.name.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }}") {
-                    val launches = benchmarksProject.buildDir.resolve("reports/benchmarks/${cfg.name}")
+                    val launches = benchmarksProject.layout.buildDirectory.dir("reports/benchmarks/${cfg.name}").get()
 
-                    val resDirectory = launches.listFiles()?.maxByOrNull {
+                    val resDirectory = launches.files().maxByOrNull {
                         LocalDateTime.parse(it.name, ISO_DATE_TIME).atZone(ZoneId.systemDefault()).toInstant()
                     }
 

gradle.properties

@@ -6,9 +6,12 @@ kotlin.code.style=official
 kotlin.mpp.stability.nowarn=true
 kotlin.native.ignoreDisabledTargets=true
 
-toolsVersion=0.14.9-kotlin-1.9.0
+org.gradle.configureondemand=true
+org.gradle.jvmargs=-Xmx4096m
 
 org.gradle.parallel=true
 org.gradle.workers.max=4
-org.gradle.configureondemand=true
+
-org.gradle.jvmargs=-Xmx4096m
+toolsVersion=0.15.0-kotlin-1.9.20
+#kotlin.experimental.tryK2=true
+#kscience.wasm.disabled=true

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

kmath-ast/src/commonTest/kotlin/space/kscience/kmath/ast/rendering/TestFeatures.kt

@@ -17,7 +17,7 @@ internal class TestFeatures {
     fun printNumeric() {
         val num = object : Number() {
             override fun toByte(): Byte = throw UnsupportedOperationException()
-            override fun toChar(): Char = throw UnsupportedOperationException()
+//            override fun toChar(): Char = throw UnsupportedOperationException()
             override fun toDouble(): Double = throw UnsupportedOperationException()
             override fun toFloat(): Float = throw UnsupportedOperationException()
             override fun toInt(): Int = throw UnsupportedOperationException()

kmath-ast/src/jsMain/kotlin/space/kscience/kmath/internal/binaryen/index.binaryen.kt

@@ -8,9 +8,8 @@
     "OVERRIDING_FINAL_MEMBER",
     "RETURN_TYPE_MISMATCH_ON_OVERRIDE",
     "CONFLICTING_OVERLOADS",
-    "NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING",
     "PropertyName",
-    "ClassName",
+    "ClassName", "ENUM_CLASS_IN_EXTERNAL_DECLARATION_WARNING",
 )
 
 @file:JsModule("binaryen")

kmath-commons/build.gradle.kts

@@ -1,18 +1,21 @@
 plugins {
-    id("space.kscience.gradle.jvm")
+    id("space.kscience.gradle.mpp")
 }
 
 description = "Commons math binding for kmath"
 
-dependencies {
+kscience {
-    api(project(":kmath-core"))
+    jvm()
-    api(project(":kmath-complex"))
+    jvmMain {
-    api(project(":kmath-coroutines"))
+        api(projects.kmathCore)
-    api(project(":kmath-optimization"))
+        api(projects.kmathComplex)
-    api(project(":kmath-stat"))
+        api(projects.kmathCoroutines)
-    api(project(":kmath-functions"))
+        api(projects.kmathOptimization)
+        api(projects.kmathStat)
+        api(projects.kmathFunctions)
         api("org.apache.commons:commons-math3:3.6.1")
     }
+}
 
 readme {
     maturity = space.kscience.gradle.Maturity.EXPERIMENTAL

kmath-complex/build.gradle.kts

@@ -6,7 +6,6 @@ kscience {
     jvm()
     js()
     native()
-
     wasm()
 
     dependencies {

kmath-core/src/commonMain/kotlin/space/kscience/kmath/data/XYColumnarData.kt

@@ -10,6 +10,7 @@ import space.kscience.kmath.UnstableKMathAPI
 import space.kscience.kmath.expressions.Symbol
 import space.kscience.kmath.nd.Structure2D
 import space.kscience.kmath.structures.Buffer
+import space.kscience.kmath.structures.VirtualBuffer
 import kotlin.math.max
 
 /**
@@ -34,6 +35,9 @@ public interface XYColumnarData<out T, out X : T, out Y : T> : ColumnarData<T> {
     }
 
     public companion object {
+        /**
+         * Create data form two buffers (zero-copy)
+         */
         @UnstableKMathAPI
         public fun <T, X : T, Y : T> of(x: Buffer<X>, y: Buffer<Y>): XYColumnarData<T, X, Y> {
             require(x.size == y.size) { "Buffer size mismatch. x buffer size is ${x.size}, y buffer size is ${y.size}" }
@@ -43,6 +47,26 @@ public interface XYColumnarData<out T, out X : T, out Y : T> : ColumnarData<T> {
                 override val y: Buffer<Y> = y
             }
         }
+
+        /**
+         * Create two-column data from a list of row-objects (zero-copy)
+         */
+        @UnstableKMathAPI
+        public fun <I, T, X : T, Y : T> ofList(
+            list: List<I>,
+            xConverter: (I) -> X,
+            yConverter: (I) -> Y,
+        ): XYColumnarData<T, X, Y> = object : XYColumnarData<T, X, Y> {
+            override val size: Int get() = list.size
+
+            override val x: Buffer<X> = VirtualBuffer(list.size) {
+                xConverter(list[it])
+            }
+
+            override val y: Buffer<Y> = VirtualBuffer(list.size) {
+                yConverter(list[it])
+            }
+        }
     }
 }
 
@@ -59,6 +83,7 @@ public fun <T> ColumnarData<T>.asXYData(
         requireNotNull(this@asXYData[xSymbol]) { "The column with name $xSymbol is not present in $this" }
         requireNotNull(this@asXYData[ySymbol]) { "The column with name $ySymbol is not present in $this" }
     }
+
     override val size: Int get() = this@asXYData.size
     override val x: Buffer<T> get() = this@asXYData[xSymbol]!!
     override val y: Buffer<T> get() = this@asXYData[ySymbol]!!

kmath-core/src/commonMain/kotlin/space/kscience/kmath/operations/LogicAlgebra.kt

@@ -7,7 +7,6 @@ package space.kscience.kmath.operations
 
 import space.kscience.kmath.UnstableKMathAPI
 import space.kscience.kmath.expressions.Symbol
-import space.kscience.kmath.expressions.symbol
 
 /**
  * An algebra for generic boolean logic
@@ -61,8 +60,8 @@ public interface LogicAlgebra<T : Any> : Algebra<T> {
 
 
     public companion object {
-        public val TRUE: Symbol by symbol
+        public val TRUE: Symbol = Symbol("TRUE")//by symbol
-        public val FALSE: Symbol by symbol
+        public val FALSE: Symbol = Symbol("FALSE")// by symbol
     }
 }
 

kmath-coroutines/src/commonMain/kotlin/space/kscience/kmath/streaming/RingBuffer.kt

@@ -65,9 +65,7 @@ public class RingBuffer<T>(
         }
     }
 
-
+    private fun Int.forward(n: Int): Int = (this + n) % (buffer.size)
-    @Suppress("NOTHING_TO_INLINE")
-    private inline fun Int.forward(n: Int): Int = (this + n) % (buffer.size)
 
     override fun toString(): String = Buffer.toString(this)
 

kmath-geometry/src/commonMain/kotlin/space/kscience/kmath/geometry/euclidean2d/Circle2D.kt

@@ -6,16 +6,26 @@
 package space.kscience.kmath.geometry.euclidean2d
 
 import kotlinx.serialization.Serializable
+import space.kscience.kmath.geometry.Vector2D
 import kotlin.math.PI
 
+
+public interface Circle2D<T>{
+    public val center: Vector2D<T>
+    public val radius: Double
+}
+
+public val Circle2D<*>.circumference: Double get() = radius * 2 * PI
+
 /**
  * A circle in 2D space
  */
 @Serializable
-public data class Circle2D(
+public data class Float64Circle2D(
-    @Serializable(Float64Space2D.VectorSerializer::class) public val center: DoubleVector2D,
+    @Serializable(Float64Space2D.VectorSerializer::class) override val center: Float64Vector2D,
-    public val radius: Double,
+    override val radius: Double
-)
+): Circle2D<Double>
+
+public fun Circle2D(center: Float64Vector2D, radius: Double): Circle2D<Double> = Float64Circle2D(center, radius)
 
 
-public val Circle2D.circumference: Double get() = radius * 2 * PI

kmath-geometry/src/commonMain/kotlin/space/kscience/kmath/geometry/euclidean2d/Float64Space2D.kt

@@ -15,6 +15,7 @@ import space.kscience.kmath.geometry.GeometrySpace
 import space.kscience.kmath.geometry.Vector2D
 import space.kscience.kmath.linear.Float64LinearSpace
 import space.kscience.kmath.operations.Float64Field
+import space.kscience.kmath.operations.ScaleOperations
 import kotlin.math.pow
 import kotlin.math.sqrt
 
@@ -28,9 +29,7 @@ public val Vector2D<Double>.r: Double get() = Float64Space2D.norm(this)
 /**
  * 2D Euclidean space
  */
-public object Float64Space2D : GeometrySpace<DoubleVector2D, Double> {
+public object Float64Space2D : GeometrySpace<DoubleVector2D>, ScaleOperations<DoubleVector2D> {
-
-    public val linearSpace: Float64LinearSpace = Float64LinearSpace
 
     @Serializable
     @SerialName("Float64Vector2D")
@@ -72,4 +71,6 @@ public object Float64Space2D : GeometrySpace<DoubleVector2D, Double> {
     override val defaultPrecision: Double = 1e-6
 }
 
+public fun Float64Vector2D(x: Number, y: Number): Float64Vector2D = Float64Space2D.vector(x, y)
+
 public val Float64Field.euclidean2D: Float64Space2D get() = Float64Space2D

kmath-geometry/src/commonMain/kotlin/space/kscience/kmath/geometry/quaternionOperations.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2018-2023 KMath contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package space.kscience.kmath.geometry
+
+import space.kscience.kmath.complex.Quaternion
+import space.kscience.kmath.complex.QuaternionAlgebra
+import space.kscience.kmath.complex.conjugate
+import space.kscience.kmath.geometry.euclidean3d.theta
+
+public operator fun Quaternion.times(other: Quaternion): Quaternion = QuaternionAlgebra.multiply(this, other)
+
+public operator fun Quaternion.div(other: Quaternion): Quaternion = QuaternionAlgebra.divide(this, other)
+
+public fun Quaternion.power(number: Number): Quaternion = QuaternionAlgebra.power(this, number)
+
+/**
+ * Linear interpolation between [from] and [to] in spherical space
+ */
+public fun QuaternionAlgebra.slerp(from: Quaternion, to: Quaternion, fraction: Double): Quaternion =
+    (to / from).pow(fraction) * from
+
+/**
+ * Scalar angle between two quaternions
+ */
+public fun QuaternionAlgebra.angleBetween(q1: Quaternion, q2: Quaternion): Angle = (q1.conjugate * q2).theta
+
+/**
+ * Euclidean product of two quaternions
+ */
+public infix fun Quaternion.dot(other: Quaternion): Double = w * other.w + x * other.x + y * other.y + z * other.z
+
+//
+///**
+// * Convert a quaternion to XYZ Cardan angles assuming it is normalized.
+// */
+//private fun Quaternion.normalizedToEuler(): Float32Vector3D {
+//    val roll = atan2(2 * y * w + 2 * x * z, 1 - 2 * y * y - 2 * z * z)
+//    val pitch = atan2(2 * x * w - 2 * y * z, 1 - 2 * x * x - 2 * z * z)
+//    val yaw = asin(2 * x * y + 2 * z * w)
+//
+//    return Float32Vector3D(roll, pitch, yaw)
+//}
+
+///**
+// * Quaternion to XYZ Cardan angles
+// */
+//public fun Quaternion.toEuler(): Float32Vector3D = if (QuaternionAlgebra.norm(this) == 0.0) {
+//    Float32Space3D.zero
+//} else {
+//    normalized().normalizedToEuler()
+//}

kmath-memory/build.gradle.kts

@@ -15,3 +15,6 @@ readme {
         An API and basic implementation for arranging objects in a continuous memory block.
     """.trimIndent()
 }
+
+//rootProject.the<NodeJsRootExtension>().versions.webpack.version = "5.76.2"
+//rootProject.the<NodeJsRootExtension>().nodeVersion = "20.8.0"

kmath-memory/src/nativeMain/kotlin/space/kscience/kmath/memory/NativeMemory.kt

@@ -5,6 +5,8 @@
 
 package space.kscience.kmath.memory
 
+import kotlin.experimental.ExperimentalNativeApi
+
 @PublishedApi
 internal class NativeMemory(
     val array: ByteArray,
@@ -26,6 +28,7 @@ internal class NativeMemory(
         return NativeMemory(copy)
     }
 
+    @OptIn(ExperimentalNativeApi::class)
     private val reader: MemoryReader = object : MemoryReader {
         override val memory: Memory get() = this@NativeMemory
 
@@ -48,6 +51,7 @@ internal class NativeMemory(
 
     override fun reader(): MemoryReader = reader
 
+    @OptIn(ExperimentalNativeApi::class)
     private val writer: MemoryWriter = object : MemoryWriter {
         override val memory: Memory get() = this@NativeMemory