diff --git a/benchmarks/build.gradle.kts b/benchmarks/build.gradle.kts
index 3a985cbb4..24471a9e4 100644
--- a/benchmarks/build.gradle.kts
+++ b/benchmarks/build.gradle.kts
@@ -29,6 +29,9 @@ kotlin {
         all {
             languageSettings {
                 progressiveMode = true
+                optIn("kotlin.contracts.ExperimentalContracts")
+                optIn("kotlin.ExperimentalUnsignedTypes")
+                optIn("space.kscience.kmath.UnstableKMathAPI")
             }
         }
 
@@ -153,7 +156,7 @@ kotlin.sourceSets.all {
     with(languageSettings) {
         optIn("kotlin.contracts.ExperimentalContracts")
         optIn("kotlin.ExperimentalUnsignedTypes")
-        optIn("space.kscience.kmath.misc.UnstableKMathAPI")
+        optIn("space.kscience.kmath.UnstableKMathAPI")
     }
 }
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 40ae9f210..fb2f7d8c7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -75,6 +75,6 @@ ksciencePublish {
     sonatype()
 }
 
-apiValidation.nonPublicMarkers.add("space.kscience.kmath.misc.UnstableKMathAPI")
+apiValidation.nonPublicMarkers.add("space.kscience.kmath.UnstableKMathAPI")
 
 val multikVersion by extra("0.2.0")
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index afa36ed1e..734f60091 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -3,8 +3,6 @@ plugins {
     `version-catalog`
 }
 
-java.targetCompatibility = JavaVersion.VERSION_11
-
 repositories {
     mavenLocal()
     maven("https://repo.kotlin.link")
@@ -26,6 +24,11 @@ dependencies {
     implementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.14.+")
 }
 
-kotlin.sourceSets.all {
-    languageSettings.optIn("kotlin.OptIn")
+kotlin{
+    jvmToolchain{
+        languageVersion.set(JavaLanguageVersion.of(11))
+    }
+    sourceSets.all {
+        languageSettings.optIn("kotlin.OptIn")
+    }
 }
diff --git a/buildSrc/settings.gradle.kts b/buildSrc/settings.gradle.kts
index 02111ba37..e6b69b0b3 100644
--- a/buildSrc/settings.gradle.kts
+++ b/buildSrc/settings.gradle.kts
@@ -2,6 +2,7 @@
  * 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.
  */
+rootProject.name = "kmath"
 
 enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
 
diff --git a/buildSrc/src/main/kotlin/space/kscience/kmath/benchmarks/addBenchmarkProperties.kt b/buildSrc/src/main/kotlin/space/kscience/kmath/benchmarks/addBenchmarkProperties.kt
index 61193790b..a3a475885 100644
--- a/buildSrc/src/main/kotlin/space/kscience/kmath/benchmarks/addBenchmarkProperties.kt
+++ b/buildSrc/src/main/kotlin/space/kscience/kmath/benchmarks/addBenchmarkProperties.kt
@@ -5,9 +5,9 @@
 
 package space.kscience.kmath.benchmarks
 
-import kotlinx.benchmark.gradle.BenchmarksExtension
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.fasterxml.jackson.module.kotlin.readValue
+import kotlinx.benchmark.gradle.BenchmarksExtension
 import org.gradle.api.Project
 import space.kscience.gradle.KScienceReadmeExtension
 import java.time.LocalDateTime
@@ -16,6 +16,7 @@ import java.time.format.DateTimeFormatter
 import java.time.format.DateTimeFormatterBuilder
 import java.time.format.SignStyle
 import java.time.temporal.ChronoField.*
+import java.util.*
 
 private val ISO_DATE_TIME: DateTimeFormatter = DateTimeFormatterBuilder().run {
     parseCaseInsensitive()
@@ -52,7 +53,7 @@ fun Project.addBenchmarkProperties() {
     rootProject.subprojects.forEach { p ->
         p.extensions.findByType(KScienceReadmeExtension::class.java)?.run {
             benchmarksProject.extensions.findByType(BenchmarksExtension::class.java)?.configurations?.forEach { cfg ->
-                property("benchmark${cfg.name.capitalize()}") {
+                property("benchmark${cfg.name.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }}") {
                     val launches = benchmarksProject.buildDir.resolve("reports/benchmarks/${cfg.name}")
 
                     val resDirectory = launches.listFiles()?.maxByOrNull {
diff --git a/examples/build.gradle.kts b/examples/build.gradle.kts
index 50708eaa9..7f2abc852 100644
--- a/examples/build.gradle.kts
+++ b/examples/build.gradle.kts
@@ -58,10 +58,10 @@ dependencies {
 kotlin {
     jvmToolchain(11)
     sourceSets.all {
-        with(languageSettings) {
+        languageSettings {
             optIn("kotlin.contracts.ExperimentalContracts")
             optIn("kotlin.ExperimentalUnsignedTypes")
-            optIn("space.kscience.kmath.misc.UnstableKMathAPI")
+            optIn("space.kscience.kmath.UnstableKMathAPI")
         }
     }
 }
diff --git a/examples/src/main/kotlin/space/kscience/kmath/expressions/autodiff.kt b/examples/src/main/kotlin/space/kscience/kmath/expressions/autodiff.kt
index b1e14591a..863d6be7a 100644
--- a/examples/src/main/kotlin/space/kscience/kmath/expressions/autodiff.kt
+++ b/examples/src/main/kotlin/space/kscience/kmath/expressions/autodiff.kt
@@ -26,7 +26,7 @@ fun main() {
     }
 
     // Then we can evaluate it at any point ((-1, -1) in the case):
-    println(someExpression(mapOf(x to -1.0, y to -1.0)))
+    println(someExpression(x to -1.0, y to -1.0))
     // >>> -2.0
 
     // We can also construct its partial derivatives:
@@ -35,23 +35,23 @@ fun main() {
     val dxdxExpression = someExpression.derivative(x, x) // ∂^2/∂x^2. Must be `0`
 
     // We can evaluate them as well
-    println(dxExpression(mapOf(x to 57.0, y to 6.0)))
+    println(dxExpression(x to 57.0, y to 6.0))
     // >>> 7.0
-    println(dyExpression(mapOf(x to -1.0, y to 179.0)))
+    println(dyExpression(x to -1.0, y to 179.0))
     // >>> 0.0
-    println(dxdxExpression(mapOf(x to 239.0, y to 30.0)))
+    println(dxdxExpression(x to 239.0, y to 30.0))
     // >>> 0.0
 
     // You can also provide extra arguments that obviously won't affect the result:
-    println(dxExpression(mapOf(x to 57.0, y to 6.0, z to 42.0)))
+    println(dxExpression(x to 57.0, y to 6.0, z to 42.0))
     // >>> 7.0
-    println(dyExpression(mapOf(x to -1.0, y to 179.0, z to 0.0)))
+    println(dyExpression(x to -1.0, y to 179.0, z to 0.0))
     // >>> 0.0
-    println(dxdxExpression(mapOf(x to 239.0, y to 30.0, z to 100_000.0)))
+    println(dxdxExpression(x to 239.0, y to 30.0, z to 100_000.0))
     // >>> 0.0
 
     // But in case you forgot to specify bound symbol's value, exception is thrown:
-    println( runCatching { someExpression(mapOf(z to 4.0)) } )
+    println( runCatching { someExpression(z to 4.0) } )
     // >>> Failure(java.lang.IllegalStateException: Symbol 'x' is not supported in ...)
 
     // The reason is that the expression is evaluated lazily,
@@ -63,7 +63,7 @@ fun main() {
         x pow 2
     }
     // When you evaluate it via
-    simpleExpression(mapOf(x to 1.0, y to 57.0, z to 179.0))
+    simpleExpression(x to 1.0, y to 57.0, z to 179.0)
     // lambda above has the context of map `{x: 1.0, y: 57.0, z: 179.0}`.
     // When x is bound, you can think of it as substitution `x -> 1.0`.
     // Other values are unused which does not make any problem to us.
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 070cb702f..fae08049a 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/kmath-ast/build.gradle.kts b/kmath-ast/build.gradle.kts
index c60977862..7cdb745f0 100644
--- a/kmath-ast/build.gradle.kts
+++ b/kmath-ast/build.gradle.kts
@@ -46,7 +46,7 @@ kotlin {
     sourceSets {
         filter { it.name.contains("test", true) }
             .map(org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet::languageSettings)
-            .forEach { it.optIn("space.kscience.kmath.misc.UnstableKMathAPI") }
+            .forEach { it.optIn("space.kscience.kmath.UnstableKMathAPI") }
     }
 }
 
diff --git a/kmath-core/api/kmath-core.api b/kmath-core/api/kmath-core.api
index e3c33e8c6..42d8277bd 100644
--- a/kmath-core/api/kmath-core.api
+++ b/kmath-core/api/kmath-core.api
@@ -1,98 +1,22 @@
-public abstract interface class space/kscience/kmath/data/ColumnarData {
-	public abstract fun get (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/structures/Buffer;
-	public abstract fun getSize ()I
-}
-
 public final class space/kscience/kmath/data/ColumnarDataKt {
-	public static final fun asColumnarData (Lspace/kscience/kmath/nd/Structure2D;Ljava/util/Map;)Lspace/kscience/kmath/data/ColumnarData;
-	public static final fun getIndices (Lspace/kscience/kmath/data/ColumnarData;)Lkotlin/ranges/IntRange;
-}
-
-public abstract interface class space/kscience/kmath/data/XYColumnarData : space/kscience/kmath/data/ColumnarData {
-	public static final field Companion Lspace/kscience/kmath/data/XYColumnarData$Companion;
-	public fun get (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/structures/Buffer;
-	public abstract fun getX ()Lspace/kscience/kmath/structures/Buffer;
-	public abstract fun getY ()Lspace/kscience/kmath/structures/Buffer;
 }
 
 public final class space/kscience/kmath/data/XYColumnarData$Companion {
-	public final fun of (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/Buffer;)Lspace/kscience/kmath/data/XYColumnarData;
 }
 
 public final class space/kscience/kmath/data/XYColumnarDataKt {
-	public static final fun asXYData (Lspace/kscience/kmath/data/ColumnarData;Lspace/kscience/kmath/expressions/Symbol;Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/data/XYColumnarData;
-	public static final fun asXYData (Lspace/kscience/kmath/nd/Structure2D;II)Lspace/kscience/kmath/data/XYColumnarData;
-	public static synthetic fun asXYData$default (Lspace/kscience/kmath/nd/Structure2D;IIILjava/lang/Object;)Lspace/kscience/kmath/data/XYColumnarData;
-}
-
-public abstract interface class space/kscience/kmath/data/XYErrorColumnarData : space/kscience/kmath/data/XYColumnarData {
-	public static final field Companion Lspace/kscience/kmath/data/XYErrorColumnarData$Companion;
-	public fun get (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/structures/Buffer;
-	public abstract fun getYErr ()Lspace/kscience/kmath/structures/Buffer;
 }
 
 public final class space/kscience/kmath/data/XYErrorColumnarData$Companion {
 	public final fun of (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/Buffer;)Lspace/kscience/kmath/data/XYErrorColumnarData;
 }
 
-public abstract interface class space/kscience/kmath/data/XYZColumnarData : space/kscience/kmath/data/XYColumnarData {
-	public fun get (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/structures/Buffer;
-	public abstract fun getZ ()Lspace/kscience/kmath/structures/Buffer;
-}
-
 public abstract interface class space/kscience/kmath/domains/Domain {
 	public abstract fun contains (Lspace/kscience/kmath/structures/Buffer;)Z
 	public abstract fun getDimension ()I
 }
 
-public abstract class space/kscience/kmath/domains/Domain1D : space/kscience/kmath/domains/Domain {
-	public fun <init> (Lkotlin/ranges/ClosedRange;)V
-	public final fun contains (Ljava/lang/Comparable;)Z
-	public fun contains (Lspace/kscience/kmath/structures/Buffer;)Z
-	public fun getDimension ()I
-	public final fun getRange ()Lkotlin/ranges/ClosedRange;
-}
-
 public final class space/kscience/kmath/domains/Domain1DKt {
-	public static final fun getCenter (Lspace/kscience/kmath/domains/Domain1D;)D
-}
-
-public abstract interface class space/kscience/kmath/domains/DoubleDomain : space/kscience/kmath/domains/Domain {
-	public abstract fun getLowerBound (I)D
-	public abstract fun getUpperBound (I)D
-	public abstract fun volume ()D
-}
-
-public final class space/kscience/kmath/domains/DoubleDomain1D : space/kscience/kmath/domains/Domain1D, space/kscience/kmath/domains/DoubleDomain {
-	public fun <init> (Lkotlin/ranges/ClosedFloatingPointRange;)V
-	public fun equals (Ljava/lang/Object;)Z
-	public final fun getDoubleRange ()Lkotlin/ranges/ClosedFloatingPointRange;
-	public fun getLowerBound (I)D
-	public fun getUpperBound (I)D
-	public fun hashCode ()I
-	public fun toString ()Ljava/lang/String;
-	public fun volume ()D
-}
-
-public final class space/kscience/kmath/domains/HyperSquareDomain : space/kscience/kmath/domains/DoubleDomain {
-	public fun <init> (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/Buffer;)V
-	public fun contains (Lspace/kscience/kmath/structures/Buffer;)Z
-	public final fun getCenter-Dv3HvWU ()[D
-	public fun getDimension ()I
-	public final fun getLower ()Lspace/kscience/kmath/structures/Buffer;
-	public fun getLowerBound (I)D
-	public final fun getUpper ()Lspace/kscience/kmath/structures/Buffer;
-	public fun getUpperBound (I)D
-	public fun volume ()D
-}
-
-public final class space/kscience/kmath/domains/UnconstrainedDomain : space/kscience/kmath/domains/DoubleDomain {
-	public fun <init> (I)V
-	public fun contains (Lspace/kscience/kmath/structures/Buffer;)Z
-	public fun getDimension ()I
-	public fun getLowerBound (I)D
-	public fun getUpperBound (I)D
-	public fun volume ()D
 }
 
 public abstract interface class space/kscience/kmath/expressions/AutoDiffProcessor {
@@ -104,43 +28,7 @@ public class space/kscience/kmath/expressions/AutoDiffValue {
 	public final fun getValue ()Ljava/lang/Object;
 }
 
-public abstract interface class space/kscience/kmath/expressions/DS {
-	public abstract fun getData ()Lspace/kscience/kmath/structures/Buffer;
-	public abstract fun getDerivativeAlgebra ()Lspace/kscience/kmath/expressions/DSAlgebra;
-}
-
-public abstract class space/kscience/kmath/expressions/DSAlgebra : space/kscience/kmath/expressions/ExpressionAlgebra, space/kscience/kmath/expressions/SymbolIndexer {
-	public fun <init> (Lspace/kscience/kmath/operations/Ring;ILjava/util/Map;)V
-	protected final fun DS (Lspace/kscience/kmath/structures/Buffer;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun bindSymbol (Ljava/lang/String;)Ljava/lang/Object;
-	public fun bindSymbol (Ljava/lang/String;)Lspace/kscience/kmath/expressions/DSAlgebra$DSSymbol;
-	public final fun bindSymbol (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/expressions/DSAlgebra$DSSymbol;
-	public synthetic fun bindSymbolOrNull (Ljava/lang/String;)Ljava/lang/Object;
-	public fun bindSymbolOrNull (Ljava/lang/String;)Lspace/kscience/kmath/expressions/DSAlgebra$DSSymbol;
-	public final fun bindSymbolOrNull (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/expressions/DSAlgebra$DSSymbol;
-	public synthetic fun const (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun const (Ljava/lang/Object;)Lspace/kscience/kmath/expressions/DS;
-	public final fun derivative (Lspace/kscience/kmath/expressions/DS;Ljava/util/List;)Ljava/lang/Object;
-	public final fun derivative (Lspace/kscience/kmath/expressions/DS;[Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
-	public final fun getAlgebra ()Lspace/kscience/kmath/operations/Ring;
-	public final fun getCompiler ()Lspace/kscience/kmath/expressions/DSCompiler;
-	public final fun getOrder ()I
-	public fun getSymbols ()Ljava/util/List;
-	public final fun ofDerivatives ([Ljava/lang/Object;)Lspace/kscience/kmath/expressions/DS;
-	public final fun variable (ILjava/lang/Object;)Lspace/kscience/kmath/expressions/DS;
-}
-
-public final class space/kscience/kmath/expressions/DSAlgebra$DSSymbol : space/kscience/kmath/expressions/DS, space/kscience/kmath/expressions/Symbol {
-	public fun getData ()Lspace/kscience/kmath/structures/Buffer;
-	public fun getDerivativeAlgebra ()Lspace/kscience/kmath/expressions/DSAlgebra;
-	public fun getIdentity ()Ljava/lang/String;
-}
-
 public final class space/kscience/kmath/expressions/DSAlgebraKt {
-	public static final fun derivative (Lspace/kscience/kmath/expressions/DS;Ljava/util/List;)Ljava/lang/Object;
-	public static final fun derivative (Lspace/kscience/kmath/expressions/DS;[Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
-	public static final fun getAutodiff (Lkotlin/jvm/internal/DoubleCompanionObject;)Lspace/kscience/kmath/expressions/DSFieldProcessor;
-	public static final fun getValue (Lspace/kscience/kmath/expressions/DS;)Ljava/lang/Object;
 }
 
 public final class space/kscience/kmath/expressions/DSCompiler {
@@ -153,91 +41,6 @@ public final class space/kscience/kmath/expressions/DSCompiler {
 	public final fun getSizes ()[[I
 }
 
-public final class space/kscience/kmath/expressions/DSField : space/kscience/kmath/expressions/DSRing, space/kscience/kmath/operations/ExtendedField {
-	public fun <init> (Lspace/kscience/kmath/operations/ExtendedField;ILjava/util/Map;)V
-	public synthetic fun acos (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun acos (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun acosh (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun acosh (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun asin (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun asin (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun asinh (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun asinh (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun atan (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun atan (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun atanh (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun atanh (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun cos (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun cos (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun cosh (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun cosh (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun divide (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun divide (Lspace/kscience/kmath/expressions/DS;Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun exp (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun exp (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun ln (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun ln (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun number (Ljava/lang/Number;)Ljava/lang/Object;
-	public fun number (Ljava/lang/Number;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun power (Ljava/lang/Object;Ljava/lang/Number;)Ljava/lang/Object;
-	public fun power (Lspace/kscience/kmath/expressions/DS;Ljava/lang/Number;)Lspace/kscience/kmath/expressions/DS;
-	public final fun power (Lspace/kscience/kmath/expressions/DS;Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun sin (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun sin (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun sinh (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun sinh (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun sqrt (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun sqrt (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun tan (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun tan (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun tanh (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun tanh (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-}
-
-public final class space/kscience/kmath/expressions/DSFieldExpression : space/kscience/kmath/expressions/DifferentiableExpression {
-	public fun <init> (Lspace/kscience/kmath/operations/ExtendedField;Lkotlin/jvm/functions/Function1;)V
-	public fun derivativeOrNull (Ljava/util/List;)Lspace/kscience/kmath/expressions/Expression;
-	public final fun getAlgebra ()Lspace/kscience/kmath/operations/ExtendedField;
-	public final fun getFunction ()Lkotlin/jvm/functions/Function1;
-	public fun invoke (Ljava/util/Map;)Ljava/lang/Object;
-}
-
-public final class space/kscience/kmath/expressions/DSFieldProcessor : space/kscience/kmath/expressions/AutoDiffProcessor {
-	public fun <init> (Lspace/kscience/kmath/operations/ExtendedField;)V
-	public fun differentiate (Lkotlin/jvm/functions/Function1;)Lspace/kscience/kmath/expressions/DifferentiableExpression;
-	public final fun getAlgebra ()Lspace/kscience/kmath/operations/ExtendedField;
-}
-
-public class space/kscience/kmath/expressions/DSRing : space/kscience/kmath/expressions/DSAlgebra, space/kscience/kmath/operations/NumbersAddOps, space/kscience/kmath/operations/NumericAlgebra, space/kscience/kmath/operations/Ring, space/kscience/kmath/operations/ScaleOperations {
-	public fun <init> (Lspace/kscience/kmath/operations/Ring;ILjava/util/Map;)V
-	public synthetic fun add (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun add (Lspace/kscience/kmath/expressions/DS;Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun bindSymbolOrNull (Ljava/lang/String;)Ljava/lang/Object;
-	public fun bindSymbolOrNull (Ljava/lang/String;)Lspace/kscience/kmath/expressions/DSAlgebra$DSSymbol;
-	public final fun getElementBufferFactory ()Lspace/kscience/kmath/structures/MutableBufferFactory;
-	public synthetic fun getOne ()Ljava/lang/Object;
-	public fun getOne ()Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun getZero ()Ljava/lang/Object;
-	public fun getZero ()Lspace/kscience/kmath/expressions/DS;
-	protected final fun mapData (Lspace/kscience/kmath/expressions/DS;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/expressions/DS;
-	protected final fun mapDataIndexed (Lspace/kscience/kmath/expressions/DS;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun minus (Ljava/lang/Number;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun minus (Ljava/lang/Number;Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun multiply (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun multiply (Lspace/kscience/kmath/expressions/DS;Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun number (Ljava/lang/Number;)Ljava/lang/Object;
-	public fun number (Ljava/lang/Number;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun plus (Ljava/lang/Number;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun plus (Ljava/lang/Number;Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun plus (Ljava/lang/Object;Ljava/lang/Number;)Ljava/lang/Object;
-	public fun plus (Lspace/kscience/kmath/expressions/DS;Ljava/lang/Number;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun scale (Ljava/lang/Object;D)Ljava/lang/Object;
-	public fun scale (Lspace/kscience/kmath/expressions/DS;D)Lspace/kscience/kmath/expressions/DS;
-	protected final fun transformDataBuffer (Lspace/kscience/kmath/expressions/DS;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/expressions/DS;
-	public synthetic fun unaryMinus (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun unaryMinus (Lspace/kscience/kmath/expressions/DS;)Lspace/kscience/kmath/expressions/DS;
-}
-
 public final class space/kscience/kmath/expressions/DerivationResult {
 	public fun <init> (Ljava/lang/Object;Ljava/util/Map;Lspace/kscience/kmath/operations/Field;)V
 	public final fun derivative (Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
@@ -246,16 +49,6 @@ public final class space/kscience/kmath/expressions/DerivationResult {
 	public final fun getValue ()Ljava/lang/Object;
 }
 
-public final class space/kscience/kmath/expressions/DerivativeStructureRingExpression : space/kscience/kmath/expressions/DifferentiableExpression {
-	public fun <init> (Lspace/kscience/kmath/operations/Ring;Lspace/kscience/kmath/structures/MutableBufferFactory;Lkotlin/jvm/functions/Function1;)V
-	public synthetic fun <init> (Lspace/kscience/kmath/operations/Ring;Lspace/kscience/kmath/structures/MutableBufferFactory;Lkotlin/jvm/functions/Function1;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
-	public fun derivativeOrNull (Ljava/util/List;)Lspace/kscience/kmath/expressions/Expression;
-	public final fun getAlgebra ()Lspace/kscience/kmath/operations/Ring;
-	public final fun getElementBufferFactory ()Lspace/kscience/kmath/structures/MutableBufferFactory;
-	public final fun getFunction ()Lkotlin/jvm/functions/Function1;
-	public fun invoke (Ljava/util/Map;)Ljava/lang/Object;
-}
-
 public final class space/kscience/kmath/expressions/DiffExpressionWithDefault : space/kscience/kmath/expressions/DifferentiableExpression {
 	public fun <init> (Lspace/kscience/kmath/expressions/DifferentiableExpression;Ljava/util/Map;)V
 	public fun derivativeOrNull (Ljava/util/List;)Lspace/kscience/kmath/expressions/Expression;
@@ -275,14 +68,6 @@ public final class space/kscience/kmath/expressions/DifferentiableExpressionKt {
 	public static final fun derivative (Lspace/kscience/kmath/expressions/SpecialDifferentiableExpression;[Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/expressions/Expression;
 }
 
-public abstract interface class space/kscience/kmath/expressions/DoubleExpression : space/kscience/kmath/expressions/Expression {
-	public static final field Companion Lspace/kscience/kmath/expressions/DoubleExpression$Companion;
-	public abstract fun getIndexer ()Lspace/kscience/kmath/expressions/SymbolIndexer;
-	public fun invoke (Ljava/util/Map;)Ljava/lang/Double;
-	public synthetic fun invoke (Ljava/util/Map;)Ljava/lang/Object;
-	public abstract fun invoke ([D)D
-}
-
 public final class space/kscience/kmath/expressions/DoubleExpression$Companion {
 }
 
@@ -298,13 +83,7 @@ public final class space/kscience/kmath/expressions/ExpressionKt {
 	public static final fun callByString (Lspace/kscience/kmath/expressions/Expression;[Lkotlin/Pair;)Ljava/lang/Object;
 	public static final fun callBySymbol (Lspace/kscience/kmath/expressions/Expression;[Lkotlin/Pair;)Ljava/lang/Object;
 	public static final fun getBinding (Lspace/kscience/kmath/expressions/ExpressionAlgebra;)Lkotlin/properties/ReadOnlyProperty;
-	public static final fun invoke (Lspace/kscience/kmath/expressions/DoubleExpression;)D
-	public static final fun invoke (Lspace/kscience/kmath/expressions/DoubleExpression;[D)D
 	public static final fun invoke (Lspace/kscience/kmath/expressions/Expression;)Ljava/lang/Object;
-	public static final fun invoke (Lspace/kscience/kmath/expressions/IntExpression;)I
-	public static final fun invoke (Lspace/kscience/kmath/expressions/IntExpression;[I)I
-	public static final fun invoke (Lspace/kscience/kmath/expressions/LongExpression;)J
-	public static final fun invoke (Lspace/kscience/kmath/expressions/LongExpression;[J)J
 }
 
 public final class space/kscience/kmath/expressions/ExpressionWithDefault : space/kscience/kmath/expressions/Expression {
@@ -410,25 +189,9 @@ public class space/kscience/kmath/expressions/FunctionalExpressionRing : space/k
 	public fun unaryOperationFunction (Ljava/lang/String;)Lkotlin/jvm/functions/Function1;
 }
 
-public abstract interface class space/kscience/kmath/expressions/IntExpression : space/kscience/kmath/expressions/Expression {
-	public static final field Companion Lspace/kscience/kmath/expressions/IntExpression$Companion;
-	public abstract fun getIndexer ()Lspace/kscience/kmath/expressions/SymbolIndexer;
-	public fun invoke (Ljava/util/Map;)Ljava/lang/Integer;
-	public synthetic fun invoke (Ljava/util/Map;)Ljava/lang/Object;
-	public abstract fun invoke ([I)I
-}
-
 public final class space/kscience/kmath/expressions/IntExpression$Companion {
 }
 
-public abstract interface class space/kscience/kmath/expressions/LongExpression : space/kscience/kmath/expressions/Expression {
-	public static final field Companion Lspace/kscience/kmath/expressions/LongExpression$Companion;
-	public abstract fun getIndexer ()Lspace/kscience/kmath/expressions/SymbolIndexer;
-	public fun invoke (Ljava/util/Map;)Ljava/lang/Long;
-	public synthetic fun invoke (Ljava/util/Map;)Ljava/lang/Object;
-	public abstract fun invoke ([J)J
-}
-
 public final class space/kscience/kmath/expressions/LongExpression$Companion {
 }
 
@@ -590,22 +353,6 @@ public final class space/kscience/kmath/expressions/MstGroup : space/kscience/km
 	public fun unaryPlus (Lspace/kscience/kmath/expressions/MST;)Lspace/kscience/kmath/expressions/MST$Unary;
 }
 
-public final class space/kscience/kmath/expressions/MstLogicAlgebra : space/kscience/kmath/operations/LogicAlgebra {
-	public static final field INSTANCE Lspace/kscience/kmath/expressions/MstLogicAlgebra;
-	public synthetic fun and (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun and (Lspace/kscience/kmath/expressions/MST;Lspace/kscience/kmath/expressions/MST;)Lspace/kscience/kmath/expressions/MST;
-	public synthetic fun bindSymbolOrNull (Ljava/lang/String;)Ljava/lang/Object;
-	public fun bindSymbolOrNull (Ljava/lang/String;)Lspace/kscience/kmath/expressions/MST;
-	public synthetic fun const (Z)Ljava/lang/Object;
-	public fun const (Z)Lspace/kscience/kmath/expressions/Symbol;
-	public synthetic fun not (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun not (Lspace/kscience/kmath/expressions/MST;)Lspace/kscience/kmath/expressions/MST;
-	public synthetic fun or (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun or (Lspace/kscience/kmath/expressions/MST;Lspace/kscience/kmath/expressions/MST;)Lspace/kscience/kmath/expressions/MST;
-	public synthetic fun xor (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun xor (Lspace/kscience/kmath/expressions/MST;Lspace/kscience/kmath/expressions/MST;)Lspace/kscience/kmath/expressions/MST;
-}
-
 public final class space/kscience/kmath/expressions/MstNumericAlgebra : space/kscience/kmath/operations/NumericAlgebra {
 	public static final field INSTANCE Lspace/kscience/kmath/expressions/MstNumericAlgebra;
 	public fun binaryOperationFunction (Ljava/lang/String;)Lkotlin/jvm/functions/Function2;
@@ -778,20 +525,6 @@ public final class space/kscience/kmath/expressions/SimpleAutoDiffKt {
 	public static final fun tanh (Lspace/kscience/kmath/expressions/SimpleAutoDiffField;Lspace/kscience/kmath/expressions/AutoDiffValue;)Lspace/kscience/kmath/expressions/AutoDiffValue;
 }
 
-public final class space/kscience/kmath/expressions/SimpleSymbolIndexer : space/kscience/kmath/expressions/SymbolIndexer {
-	public static final synthetic fun box-impl (Ljava/util/List;)Lspace/kscience/kmath/expressions/SimpleSymbolIndexer;
-	public static fun constructor-impl (Ljava/util/List;)Ljava/util/List;
-	public fun equals (Ljava/lang/Object;)Z
-	public static fun equals-impl (Ljava/util/List;Ljava/lang/Object;)Z
-	public static final fun equals-impl0 (Ljava/util/List;Ljava/util/List;)Z
-	public fun getSymbols ()Ljava/util/List;
-	public fun hashCode ()I
-	public static fun hashCode-impl (Ljava/util/List;)I
-	public fun toString ()Ljava/lang/String;
-	public static fun toString-impl (Ljava/util/List;)Ljava/lang/String;
-	public final synthetic fun unbox-impl ()Ljava/util/List;
-}
-
 public abstract interface class space/kscience/kmath/expressions/SpecialDifferentiableExpression : space/kscience/kmath/expressions/DifferentiableExpression {
 	public abstract fun derivativeOrNull (Ljava/util/List;)Lspace/kscience/kmath/expressions/Expression;
 }
@@ -810,25 +543,7 @@ public final class space/kscience/kmath/expressions/Symbol$Companion {
 	public final fun getZError ()Lspace/kscience/kmath/expressions/Symbol;
 }
 
-public abstract interface class space/kscience/kmath/expressions/SymbolIndexer {
-	public fun get (Ljava/util/List;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
-	public fun get (Lspace/kscience/kmath/nd/Structure2D;Lspace/kscience/kmath/expressions/Symbol;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
-	public fun get (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
-	public fun get ([DLspace/kscience/kmath/expressions/Symbol;)D
-	public fun get ([Ljava/lang/Object;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
-	public abstract fun getSymbols ()Ljava/util/List;
-	public fun indexOf (Lspace/kscience/kmath/expressions/Symbol;)I
-	public fun toDoubleArray (Ljava/util/Map;)[D
-	public fun toList (Ljava/util/Map;)Ljava/util/List;
-	public fun toMap (Lspace/kscience/kmath/structures/Buffer;)Ljava/util/Map;
-	public fun toMap ([D)Ljava/util/Map;
-	public fun toPoint (Ljava/util/Map;Lspace/kscience/kmath/structures/BufferFactory;)Lspace/kscience/kmath/structures/Buffer;
-	public fun toPoint-Udx-57Q (Ljava/util/Map;)[D
-}
-
 public final class space/kscience/kmath/expressions/SymbolIndexerKt {
-	public static final fun withSymbols (Ljava/util/Collection;Lkotlin/jvm/functions/Function1;)Ljava/lang/Object;
-	public static final fun withSymbols ([Lspace/kscience/kmath/expressions/Symbol;Lkotlin/jvm/functions/Function1;)Ljava/lang/Object;
 }
 
 public final class space/kscience/kmath/expressions/SymbolKt {
@@ -925,7 +640,6 @@ public abstract interface class space/kscience/kmath/linear/LinearSpace {
 	public static final field Companion Lspace/kscience/kmath/linear/LinearSpace$Companion;
 	public abstract fun buildMatrix (IILkotlin/jvm/functions/Function3;)Lspace/kscience/kmath/nd/Structure2D;
 	public abstract fun buildVector (ILkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/structures/Buffer;
-	public fun computeFeature (Lspace/kscience/kmath/nd/Structure2D;Lkotlin/reflect/KClass;)Lspace/kscience/kmath/nd/StructureFeature;
 	public fun dot (Lspace/kscience/kmath/nd/Structure2D;Lspace/kscience/kmath/nd/Structure2D;)Lspace/kscience/kmath/nd/Structure2D;
 	public fun dot (Lspace/kscience/kmath/nd/Structure2D;Lspace/kscience/kmath/structures/Buffer;)Lspace/kscience/kmath/structures/Buffer;
 	public abstract fun getElementAlgebra ()Lspace/kscience/kmath/operations/Ring;
@@ -990,11 +704,9 @@ public final class space/kscience/kmath/linear/MatrixBuilder {
 public final class space/kscience/kmath/linear/MatrixBuilderKt {
 	public static final fun column (Lspace/kscience/kmath/linear/LinearSpace;ILkotlin/jvm/functions/Function1;)Lspace/kscience/kmath/nd/Structure2D;
 	public static final fun column (Lspace/kscience/kmath/linear/LinearSpace;[Ljava/lang/Object;)Lspace/kscience/kmath/nd/Structure2D;
-	public static final fun matrix (Lspace/kscience/kmath/linear/LinearSpace;II)Lspace/kscience/kmath/linear/MatrixBuilder;
 	public static final fun row (Lspace/kscience/kmath/linear/LinearSpace;ILkotlin/jvm/functions/Function1;)Lspace/kscience/kmath/nd/Structure2D;
 	public static final fun row (Lspace/kscience/kmath/linear/LinearSpace;[Ljava/lang/Object;)Lspace/kscience/kmath/nd/Structure2D;
 	public static final fun symmetric (Lspace/kscience/kmath/linear/MatrixBuilder;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/nd/Structure2D;
-	public static final fun vector (Lspace/kscience/kmath/linear/LinearSpace;[Ljava/lang/Object;)Lspace/kscience/kmath/structures/Buffer;
 }
 
 public abstract interface class space/kscience/kmath/linear/MatrixFeature : space/kscience/kmath/nd/StructureFeature {
@@ -1023,7 +735,6 @@ public final class space/kscience/kmath/linear/MatrixWrapper : space/kscience/km
 }
 
 public final class space/kscience/kmath/linear/MatrixWrapperKt {
-	public static final fun getOrigin (Lspace/kscience/kmath/nd/Structure2D;)Lspace/kscience/kmath/nd/Structure2D;
 	public static final fun one (Lspace/kscience/kmath/linear/LinearSpace;II)Lspace/kscience/kmath/nd/Structure2D;
 	public static final fun plus (Lspace/kscience/kmath/nd/Structure2D;Lspace/kscience/kmath/linear/MatrixFeature;)Lspace/kscience/kmath/linear/MatrixWrapper;
 	public static final fun transpose (Lspace/kscience/kmath/nd/Structure2D;)Lspace/kscience/kmath/nd/Structure2D;
@@ -1163,11 +874,6 @@ public final class space/kscience/kmath/misc/NumbersJVMKt {
 }
 
 public final class space/kscience/kmath/misc/SortingKt {
-	public static final fun indicesSorted (Lspace/kscience/kmath/structures/Buffer;)[I
-	public static final fun indicesSortedBy (Lspace/kscience/kmath/structures/Buffer;Lkotlin/jvm/functions/Function1;)[I
-	public static final fun indicesSortedByDescending (Lspace/kscience/kmath/structures/Buffer;Lkotlin/jvm/functions/Function1;)[I
-	public static final fun indicesSortedDescending (Lspace/kscience/kmath/structures/Buffer;)[I
-	public static final fun indicesSortedWith (Lspace/kscience/kmath/structures/Buffer;Ljava/util/Comparator;)[I
 	public static final fun requireSorted (Lspace/kscience/kmath/structures/Buffer;)V
 	public static final fun sorted (Lspace/kscience/kmath/structures/Buffer;)Lspace/kscience/kmath/structures/Buffer;
 	public static final fun sortedBy (Lspace/kscience/kmath/structures/Buffer;Lkotlin/jvm/functions/Function1;)Lspace/kscience/kmath/structures/Buffer;
@@ -1178,7 +884,6 @@ public final class space/kscience/kmath/misc/SortingKt {
 public abstract interface class space/kscience/kmath/nd/AlgebraND : space/kscience/kmath/operations/Algebra {
 	public static final field Companion Lspace/kscience/kmath/nd/AlgebraND$Companion;
 	public abstract fun getElementAlgebra ()Lspace/kscience/kmath/operations/Algebra;
-	public fun getFeature (Lspace/kscience/kmath/nd/StructureND;Lkotlin/reflect/KClass;)Lspace/kscience/kmath/nd/StructureFeature;
 	public fun invoke (Lkotlin/jvm/functions/Function1;Lspace/kscience/kmath/nd/StructureND;)Lspace/kscience/kmath/nd/StructureND;
 	public fun map (Lspace/kscience/kmath/nd/StructureND;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/nd/StructureND;
 	public fun mapIndexed (Lspace/kscience/kmath/nd/StructureND;Lkotlin/jvm/functions/Function3;)Lspace/kscience/kmath/nd/StructureND;
@@ -1317,7 +1022,6 @@ public final class space/kscience/kmath/nd/DoubleFieldNDKt {
 	public static final fun getNdAlgebra (Lspace/kscience/kmath/operations/DoubleField;)Lspace/kscience/kmath/nd/DoubleFieldOpsND;
 	public static final fun ndAlgebra (Lspace/kscience/kmath/operations/DoubleField;[I)Lspace/kscience/kmath/nd/DoubleFieldND;
 	public static final fun ndAlgebra-waz_sdI (Lspace/kscience/kmath/operations/DoubleField;[I)Lspace/kscience/kmath/nd/DoubleFieldND;
-	public static final fun withNdAlgebra (Lspace/kscience/kmath/operations/DoubleField;[ILkotlin/jvm/functions/Function1;)Ljava/lang/Object;
 }
 
 public abstract class space/kscience/kmath/nd/DoubleFieldOpsND : space/kscience/kmath/nd/BufferedFieldOpsND, space/kscience/kmath/operations/ExtendedFieldOps, space/kscience/kmath/operations/ScaleOperations {
@@ -1733,14 +1437,6 @@ public abstract interface class space/kscience/kmath/nd/StructureNDOfInt : space
 	public abstract fun getInt ([I)I
 }
 
-public final class space/kscience/kmath/nd/VirtualDoubleStructureND : space/kscience/kmath/nd/VirtualStructureND {
-	public synthetic fun <init> ([ILkotlin/jvm/functions/Function1;Lkotlin/jvm/internal/DefaultConstructorMarker;)V
-}
-
-public final class space/kscience/kmath/nd/VirtualIntStructureND : space/kscience/kmath/nd/VirtualStructureND {
-	public synthetic fun <init> ([ILkotlin/jvm/functions/Function1;Lkotlin/jvm/internal/DefaultConstructorMarker;)V
-}
-
 public class space/kscience/kmath/nd/VirtualStructureND : space/kscience/kmath/nd/StructureND {
 	public synthetic fun <init> ([ILkotlin/jvm/functions/Function1;Lkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public fun get ([I)Ljava/lang/Object;
@@ -1758,7 +1454,6 @@ public abstract interface class space/kscience/kmath/operations/Algebra {
 	public fun binaryOperationFunction (Ljava/lang/String;)Lkotlin/jvm/functions/Function2;
 	public fun bindSymbol (Ljava/lang/String;)Ljava/lang/Object;
 	public fun bindSymbolOrNull (Ljava/lang/String;)Ljava/lang/Object;
-	public fun export (Ljava/lang/Object;)Ljava/lang/Object;
 	public fun getBufferFactory ()Lspace/kscience/kmath/structures/MutableBufferFactory;
 	public fun unaryOperation (Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;
 	public fun unaryOperationFunction (Ljava/lang/String;)Lkotlin/jvm/functions/Function1;
@@ -1855,20 +1550,6 @@ public final class space/kscience/kmath/operations/BigIntKt {
 	public static final fun toBigInt-WZ4Q5Ns (I)Lspace/kscience/kmath/operations/BigInt;
 }
 
-public final class space/kscience/kmath/operations/BooleanAlgebra : space/kscience/kmath/operations/LogicAlgebra {
-	public static final field INSTANCE Lspace/kscience/kmath/operations/BooleanAlgebra;
-	public synthetic fun and (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun and (ZZ)Ljava/lang/Boolean;
-	public fun const (Z)Ljava/lang/Boolean;
-	public synthetic fun const (Z)Ljava/lang/Object;
-	public synthetic fun not (Ljava/lang/Object;)Ljava/lang/Object;
-	public fun not (Z)Ljava/lang/Boolean;
-	public synthetic fun or (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun or (ZZ)Ljava/lang/Boolean;
-	public synthetic fun xor (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun xor (ZZ)Ljava/lang/Boolean;
-}
-
 public abstract interface class space/kscience/kmath/operations/BufferAlgebra : space/kscience/kmath/operations/Algebra {
 	public fun binaryOperationFunction (Ljava/lang/String;)Lkotlin/jvm/functions/Function2;
 	public fun buffer (I[Ljava/lang/Object;)Lspace/kscience/kmath/structures/Buffer;
@@ -1908,14 +1589,12 @@ public final class space/kscience/kmath/operations/BufferAlgebraKt {
 public final class space/kscience/kmath/operations/BufferExtensionsKt {
 	public static final fun asIterable (Lspace/kscience/kmath/structures/Buffer;)Ljava/lang/Iterable;
 	public static final fun asSequence (Lspace/kscience/kmath/structures/Buffer;)Lkotlin/sequences/Sequence;
-	public static final fun combineToBuffer (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/BufferFactory;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/structures/Buffer;
 	public static final fun fold (Lspace/kscience/kmath/structures/Buffer;Ljava/lang/Object;Lkotlin/jvm/functions/Function2;)Ljava/lang/Object;
 	public static final fun foldIndexed (Lspace/kscience/kmath/structures/Buffer;Ljava/lang/Object;Lkotlin/jvm/functions/Function3;)Ljava/lang/Object;
 	public static final fun mapIndexedToBuffer (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/BufferFactory;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/structures/Buffer;
 	public static final fun mapToBuffer (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/BufferFactory;Lkotlin/jvm/functions/Function1;)Lspace/kscience/kmath/structures/Buffer;
 	public static final fun reduce (Lspace/kscience/kmath/structures/Buffer;Lkotlin/jvm/functions/Function2;)Ljava/lang/Object;
 	public static final fun toList (Lspace/kscience/kmath/structures/Buffer;)Ljava/util/List;
-	public static final fun toMutableList (Lspace/kscience/kmath/structures/Buffer;)Ljava/util/List;
 }
 
 public final class space/kscience/kmath/operations/BufferField : space/kscience/kmath/operations/BufferFieldOps, space/kscience/kmath/operations/Field, space/kscience/kmath/operations/WithSize {
@@ -2045,7 +1724,6 @@ public abstract class space/kscience/kmath/operations/DoubleBufferOps : space/ks
 	public synthetic fun minus (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
 	public fun minus-CZ9oacQ (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/Buffer;)[D
 	public synthetic fun multiply (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun multiply-CZ9oacQ (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/Buffer;)[D
 	public synthetic fun norm (Ljava/lang/Object;)Ljava/lang/Object;
 	public fun norm (Lspace/kscience/kmath/structures/Buffer;)Ljava/lang/Double;
 	public synthetic fun plus (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
@@ -2390,20 +2068,6 @@ public final class space/kscience/kmath/operations/JBigIntegerField : space/ksci
 	public fun unaryMinus (Ljava/math/BigInteger;)Ljava/math/BigInteger;
 }
 
-public abstract interface class space/kscience/kmath/operations/LogicAlgebra : space/kscience/kmath/operations/Algebra {
-	public static final field Companion Lspace/kscience/kmath/operations/LogicAlgebra$Companion;
-	public abstract fun and (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun binaryOperation (Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun binaryOperationFunction (Ljava/lang/String;)Lkotlin/jvm/functions/Function2;
-	public fun bindSymbolOrNull (Ljava/lang/String;)Ljava/lang/Object;
-	public abstract fun const (Z)Ljava/lang/Object;
-	public abstract fun not (Ljava/lang/Object;)Ljava/lang/Object;
-	public abstract fun or (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun unaryOperation (Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun unaryOperationFunction (Ljava/lang/String;)Lkotlin/jvm/functions/Function1;
-	public abstract fun xor (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-}
-
 public final class space/kscience/kmath/operations/LogicAlgebra$Companion {
 	public final fun getFALSE ()Lspace/kscience/kmath/expressions/Symbol;
 	public final fun getTRUE ()Lspace/kscience/kmath/expressions/Symbol;
@@ -2438,13 +2102,6 @@ public abstract interface class space/kscience/kmath/operations/Norm {
 	public abstract fun norm (Ljava/lang/Object;)Ljava/lang/Object;
 }
 
-public abstract interface class space/kscience/kmath/operations/NumbersAddOps : space/kscience/kmath/operations/NumericAlgebra, space/kscience/kmath/operations/RingOps {
-	public fun minus (Ljava/lang/Number;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun minus (Ljava/lang/Object;Ljava/lang/Number;)Ljava/lang/Object;
-	public fun plus (Ljava/lang/Number;Ljava/lang/Object;)Ljava/lang/Object;
-	public fun plus (Ljava/lang/Object;Ljava/lang/Number;)Ljava/lang/Object;
-}
-
 public final class space/kscience/kmath/operations/NumbersKt {
 	public static final fun getAlgebra (Lkotlin/jvm/internal/ByteCompanionObject;)Lspace/kscience/kmath/operations/ByteRing;
 	public static final fun getAlgebra (Lkotlin/jvm/internal/DoubleCompanionObject;)Lspace/kscience/kmath/operations/DoubleField;
@@ -2600,7 +2257,6 @@ public final class space/kscience/kmath/structures/BufferExpanded : space/kscien
 	public final fun getOffset ()I
 	public fun getOrigin ()Lspace/kscience/kmath/structures/Buffer;
 	public fun getSize ()I
-	public fun originIndex (I)I
 	public fun toString ()Ljava/lang/String;
 }
 
@@ -2623,8 +2279,6 @@ public final class space/kscience/kmath/structures/BufferKt {
 }
 
 public final class space/kscience/kmath/structures/BufferPrimitiveAccessKt {
-	public static final fun getDouble (Lspace/kscience/kmath/structures/Buffer;I)D
-	public static final fun getInt (Lspace/kscience/kmath/structures/Buffer;I)I
 }
 
 public final class space/kscience/kmath/structures/BufferSlice : space/kscience/kmath/structures/BufferView {
@@ -2635,14 +2289,12 @@ public final class space/kscience/kmath/structures/BufferSlice : space/kscience/
 	public fun getOrigin ()Lspace/kscience/kmath/structures/Buffer;
 	public fun getSize ()I
 	public fun iterator ()Ljava/util/Iterator;
-	public fun originIndex (I)I
 	public fun toString ()Ljava/lang/String;
 }
 
 public abstract interface class space/kscience/kmath/structures/BufferView : space/kscience/kmath/structures/Buffer {
 	public fun get (I)Ljava/lang/Object;
 	public abstract fun getOrigin ()Lspace/kscience/kmath/structures/Buffer;
-	public abstract fun originIndex (I)I
 }
 
 public final class space/kscience/kmath/structures/BufferViewKt {
@@ -2958,7 +2610,6 @@ public final class space/kscience/kmath/structures/PermutedBuffer : space/kscien
 	public fun getOrigin ()Lspace/kscience/kmath/structures/Buffer;
 	public fun getSize ()I
 	public fun iterator ()Ljava/util/Iterator;
-	public fun originIndex (I)I
 	public fun toString ()Ljava/lang/String;
 }
 
@@ -2970,7 +2621,6 @@ public final class space/kscience/kmath/structures/PermutedMutableBuffer : space
 	public fun getOrigin ()Lspace/kscience/kmath/structures/MutableBuffer;
 	public fun getSize ()I
 	public fun iterator ()Ljava/util/Iterator;
-	public fun originIndex (I)I
 	public fun set (ILjava/lang/Object;)V
 	public fun toString ()Ljava/lang/String;
 }
diff --git a/kmath-core/build.gradle.kts b/kmath-core/build.gradle.kts
index 08411be59..8c622e8b0 100644
--- a/kmath-core/build.gradle.kts
+++ b/kmath-core/build.gradle.kts
@@ -10,9 +10,8 @@ kscience{
         browser {
             testTask {
                 useKarma {
-                    this.webpackConfig.experiments.add("topLevelAwait")
+                    webpackConfig.experiments.add("topLevelAwait")
                     useChromeHeadless()
-                    useConfigDirectory(project.projectDir.resolve("karma.config.d").resolve("wasm"))
                 }
             }
         }
@@ -33,15 +32,6 @@ kscience{
     }
 }
 
-kotlin.sourceSets {
-    filter { it.name.contains("test", true) }
-        .map(org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet::languageSettings)
-        .forEach {
-            it.optIn("space.kscience.kmath.misc.PerformancePitfall")
-            it.optIn("space.kscience.kmath.misc.UnstableKMathAPI")
-        }
-}
-
 readme {
     description = "Core classes, algebra definitions, basic linear algebra"
     maturity = space.kscience.gradle.Maturity.DEVELOPMENT
diff --git a/kmath-jafama/build.gradle.kts b/kmath-jafama/build.gradle.kts
index da77f469d..5a77a97ed 100644
--- a/kmath-jafama/build.gradle.kts
+++ b/kmath-jafama/build.gradle.kts
@@ -20,8 +20,4 @@ readme {
     feature("jafama-double", "src/main/kotlin/space/kscience/kmath/jafama/") {
         "Double ExtendedField implementations based on Jafama"
     }
-}
-
-kotlin.sourceSets.all {
-    languageSettings.optIn("space.kscience.kmath.misc.UnstableKMathAPI")
-}
+}
\ No newline at end of file
diff --git a/kmath-jupyter/build.gradle.kts b/kmath-jupyter/build.gradle.kts
index a600261b3..a0e217177 100644
--- a/kmath-jupyter/build.gradle.kts
+++ b/kmath-jupyter/build.gradle.kts
@@ -14,10 +14,6 @@ readme {
     maturity = space.kscience.gradle.Maturity.PROTOTYPE
 }
 
-kotlin.sourceSets.all {
-    languageSettings.optIn("space.kscience.kmath.misc.UnstableKMathAPI")
-}
-
 tasks.processJupyterApiResources {
     libraryProducers = listOf("space.kscience.kmath.jupyter.KMathJupyter")
 }
diff --git a/kmath-kotlingrad/build.gradle.kts b/kmath-kotlingrad/build.gradle.kts
index cf4a4bc1d..56e191360 100644
--- a/kmath-kotlingrad/build.gradle.kts
+++ b/kmath-kotlingrad/build.gradle.kts
@@ -5,7 +5,7 @@ plugins {
 kotlin.sourceSets
     .filter { it.name.contains("test", true) }
     .map(org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet::languageSettings)
-    .forEach { it.optIn("space.kscience.kmath.misc.UnstableKMathAPI") }
+    .forEach { it.optIn("space.kscience.kmath.UnstableKMathAPI") }
 
 description = "Kotlin∇ integration module"
 
diff --git a/kmath-memory/build.gradle.kts b/kmath-memory/build.gradle.kts
index 4e5370c0f..8c1e63cb7 100644
--- a/kmath-memory/build.gradle.kts
+++ b/kmath-memory/build.gradle.kts
@@ -10,9 +10,8 @@ kscience {
         browser {
             testTask {
                 useKarma {
-                    this.webpackConfig.experiments.add("topLevelAwait")
+                    webpackConfig.experiments.add("topLevelAwait")
                     useChromeHeadless()
-                    useConfigDirectory(project.projectDir.resolve("karma.config.d").resolve("wasm"))
                 }
             }
         }
diff --git a/kmath-optimization/build.gradle.kts b/kmath-optimization/build.gradle.kts
index 0a8e47728..7250d1f72 100644
--- a/kmath-optimization/build.gradle.kts
+++ b/kmath-optimization/build.gradle.kts
@@ -9,9 +9,6 @@ kscience{
 }
 
 kotlin.sourceSets {
-    all {
-        languageSettings.optIn("space.kscience.kmath.misc.UnstableKMathAPI")
-    }
 
     commonMain {
         dependencies {
diff --git a/kmath-tensors/build.gradle.kts b/kmath-tensors/build.gradle.kts
index d27faeeef..79c39bae7 100644
--- a/kmath-tensors/build.gradle.kts
+++ b/kmath-tensors/build.gradle.kts
@@ -14,13 +14,6 @@ kscience{
 }
 
 kotlin.sourceSets {
-    all {
-        languageSettings.optIn("space.kscience.kmath.misc.UnstableKMathAPI")
-    }
-
-    filter { it.name.contains("test", true) }
-        .map(org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet::languageSettings)
-        .forEach { it.optIn("space.kscience.kmath.misc.PerformancePitfall") }
 
     commonMain {
         dependencies {
diff --git a/test-utils/api/test-utils.api b/test-utils/api/test-utils.api
new file mode 100644
index 000000000..fc812a9a6
--- /dev/null
+++ b/test-utils/api/test-utils.api
@@ -0,0 +1,32 @@
+public final class space/kscience/kmath/testutils/AssertsKt {
+	public static final fun assertBufferEquals (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/Buffer;D)V
+	public static synthetic fun assertBufferEquals$default (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/structures/Buffer;DILjava/lang/Object;)V
+}
+
+public final class space/kscience/kmath/testutils/BufferEqualityKt {
+	public static final fun contentEquals-2c9zdjM ([D[D)Z
+	public static final fun contentEqualsArray ([D[D)Z
+	public static final fun contentEqualsBuffer ([D[D)Z
+}
+
+public final class space/kscience/kmath/testutils/FieldVerifier : space/kscience/kmath/testutils/RingVerifier {
+	public fun <init> (Lspace/kscience/kmath/operations/Field;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Number;)V
+	public fun verify ()V
+}
+
+public class space/kscience/kmath/testutils/RingVerifier : space/kscience/kmath/testutils/SpaceVerifier {
+	public fun <init> (Lspace/kscience/kmath/operations/Ring;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Number;)V
+	public fun verify ()V
+}
+
+public class space/kscience/kmath/testutils/SpaceVerifier : space/kscience/kmath/testutils/AlgebraicVerifier {
+	public fun <init> (Lspace/kscience/kmath/operations/Ring;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Number;)V
+	public final fun getA ()Ljava/lang/Object;
+	public synthetic fun getAlgebra ()Lspace/kscience/kmath/operations/Algebra;
+	public fun getAlgebra ()Lspace/kscience/kmath/operations/Ring;
+	public final fun getB ()Ljava/lang/Object;
+	public final fun getC ()Ljava/lang/Object;
+	public final fun getX ()Ljava/lang/Number;
+	public fun verify ()V
+}
+