kscience/kmath
9
0
Fork 1
Code Issues Pull Requests 6 Packages Projects Releases 16 Wiki Activity

Dev #280

Merged
altavir merged 99 commits from dev into master 2021-04-16 19:45:55 +03:00
Conversation 0 Commits 99 Files Changed 283 +246 -162
36 changed files with 246 additions and 162 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files
Showing only changes of commit aeceb4a337 - Show all commits

1
CHANGELOG.md
View File

@ -13,6 +13,7 @@
- Buffer factories for primitives moved to MutableBuffer.Companion
- NDStructure and NDAlgebra to StructureND and AlgebraND respectively
- Real -> Double
- DataSets are moved from functions to core
### Deprecated

2
examples/src/benchmarks/kotlin/space/kscience/kmath/benchmarks/ExpressionsInterpretersBenchmark.kt
View File

@ -9,7 +9,7 @@ import space.kscience.kmath.ast.mstInField
import space.kscience.kmath.expressions.Expression
import space.kscience.kmath.expressions.expressionInField
import space.kscience.kmath.expressions.invoke
import space.kscience.kmath.expressions.symbol
import space.kscience.kmath.misc.symbol
import space.kscience.kmath.operations.DoubleField
import space.kscience.kmath.operations.bindSymbol
import kotlin.random.Random

2
examples/src/main/kotlin/space/kscience/kmath/ast/kotlingradSupport.kt
View File

@ -3,8 +3,8 @@ package space.kscience.kmath.ast
import space.kscience.kmath.asm.compile
import space.kscience.kmath.expressions.derivative
import space.kscience.kmath.expressions.invoke
import space.kscience.kmath.expressions.symbol
import space.kscience.kmath.kotlingrad.differentiable
import space.kscience.kmath.misc.symbol
import space.kscience.kmath.operations.DoubleField
/**

2
examples/src/main/kotlin/space/kscience/kmath/commons/fit/fitWithAutoDiff.kt
View File

@ -7,7 +7,7 @@ import kscience.plotly.models.ScatterMode
import kscience.plotly.models.TraceValues
import space.kscience.kmath.commons.optimization.chiSquared
import space.kscience.kmath.commons.optimization.minimize
import space.kscience.kmath.expressions.symbol
import space.kscience.kmath.misc.symbol
import space.kscience.kmath.optimization.FunctionOptimization
import space.kscience.kmath.optimization.OptimizationResult
import space.kscience.kmath.real.DoubleVector

2
kmath-ast/src/commonMain/kotlin/space/kscience/kmath/ast/MstExpression.kt
View File

@ -1,6 +1,8 @@
package space.kscience.kmath.ast
import space.kscience.kmath.expressions.*
import space.kscience.kmath.misc.StringSymbol
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.operations.*
import kotlin.contracts.InvocationKind
import kotlin.contracts.contract

2
kmath-ast/src/jsMain/kotlin/space/kscience/kmath/estree/internal/ESTreeBuilder.kt
View File

@ -3,7 +3,7 @@ package space.kscience.kmath.estree.internal
import space.kscience.kmath.estree.internal.astring.generate
import space.kscience.kmath.estree.internal.estree.*
import space.kscience.kmath.expressions.Expression
import space.kscience.kmath.expressions.Symbol
import space.kscience.kmath.misc.Symbol
internal class ESTreeBuilder<T>(val bodyCallback: ESTreeBuilder<T>.() -> BaseExpression) {
private class GeneratedExpression<T>(val executable: dynamic, val constants: Array<dynamic>) : Expression<T> {

4
kmath-ast/src/jvmMain/kotlin/space/kscience/kmath/asm/internal/mapIntrinsics.kt
View File

@ -2,8 +2,8 @@
package space.kscience.kmath.asm.internal
import space.kscience.kmath.expressions.StringSymbol
import space.kscience.kmath.expressions.Symbol
import space.kscience.kmath.misc.StringSymbol
import space.kscience.kmath.misc.Symbol
/**
* Gets value with given [key] or throws [NoSuchElementException] whenever it is not present.

2
kmath-commons/src/main/kotlin/space/kscience/kmath/commons/expressions/DerivativeStructureExpression.kt
View File

@ -2,6 +2,8 @@ package space.kscience.kmath.commons.expressions
import org.apache.commons.math3.analysis.differentiation.DerivativeStructure
import space.kscience.kmath.expressions.*
import space.kscience.kmath.misc.StringSymbol
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.misc.UnstableKMathAPI
import space.kscience.kmath.operations.ExtendedField
import space.kscience.kmath.operations.NumbersAddOperations

8
kmath-commons/src/main/kotlin/space/kscience/kmath/commons/optimization/CMOptimization.kt
View File

@ -9,7 +9,12 @@ import org.apache.commons.math3.optim.nonlinear.scalar.gradient.NonLinearConjuga
import org.apache.commons.math3.optim.nonlinear.scalar.noderiv.AbstractSimplex
import org.apache.commons.math3.optim.nonlinear.scalar.noderiv.NelderMeadSimplex
import org.apache.commons.math3.optim.nonlinear.scalar.noderiv.SimplexOptimizer
import space.kscience.kmath.expressions.*
import space.kscience.kmath.expressions.DifferentiableExpression
import space.kscience.kmath.expressions.Expression
import space.kscience.kmath.expressions.SymbolIndexer
import space.kscience.kmath.expressions.derivative
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.misc.UnstableKMathAPI
import space.kscience.kmath.optimization.FunctionOptimization
import space.kscience.kmath.optimization.OptimizationFeature
import space.kscience.kmath.optimization.OptimizationProblemFactory
@ -19,6 +24,7 @@ import kotlin.reflect.KClass
public operator fun PointValuePair.component1(): DoubleArray = point
public operator fun PointValuePair.component2(): Double = value
@OptIn(UnstableKMathAPI::class)
public class CMOptimization(
override val symbols: List<Symbol>,
) : FunctionOptimization<Double>, SymbolIndexer, OptimizationFeature {

2
kmath-commons/src/main/kotlin/space/kscience/kmath/commons/optimization/cmFit.kt
View File

@ -5,7 +5,7 @@ import org.apache.commons.math3.optim.nonlinear.scalar.GoalType
import space.kscience.kmath.commons.expressions.DerivativeStructureField
import space.kscience.kmath.expressions.DifferentiableExpression
import space.kscience.kmath.expressions.Expression
import space.kscience.kmath.expressions.Symbol
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.optimization.FunctionOptimization
import space.kscience.kmath.optimization.OptimizationResult
import space.kscience.kmath.optimization.optimizeWith

6
kmath-commons/src/test/kotlin/space/kscience/kmath/commons/expressions/DerivativeStructureExpressionTest.kt
View File

@ -1,6 +1,10 @@
package space.kscience.kmath.commons.expressions
import space.kscience.kmath.expressions.*
import space.kscience.kmath.expressions.binding
import space.kscience.kmath.expressions.derivative
import space.kscience.kmath.expressions.invoke
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.misc.symbol
import kotlin.contracts.InvocationKind
import kotlin.contracts.contract
import kotlin.test.Test

2
kmath-commons/src/test/kotlin/space/kscience/kmath/commons/optimization/OptimizeTest.kt
View File

@ -2,7 +2,7 @@ package space.kscience.kmath.commons.optimization
import org.junit.jupiter.api.Test
import space.kscience.kmath.commons.expressions.DerivativeStructureExpression
import space.kscience.kmath.expressions.symbol
import space.kscience.kmath.misc.symbol
import space.kscience.kmath.optimization.FunctionOptimization
import space.kscience.kmath.stat.Distribution
import space.kscience.kmath.stat.RandomGenerator

2
kmath-complex/src/commonTest/kotlin/space/kscience/kmath/complex/ExpressionFieldForComplexTest.kt
View File

@ -3,7 +3,7 @@ package space.kscience.kmath.complex
import space.kscience.kmath.expressions.FunctionalExpressionField
import space.kscience.kmath.expressions.bindSymbol
import space.kscience.kmath.expressions.invoke
import space.kscience.kmath.expressions.symbol
import space.kscience.kmath.misc.symbol
import kotlin.test.Test
import kotlin.test.assertEquals

155
kmath-core/api/kmath-core.api
View File

@ -14,7 +14,7 @@ public class space/kscience/kmath/expressions/AutoDiffValue {
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;
public final fun derivative (Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public final fun div ()Ljava/lang/Object;
public final fun getContext ()Lspace/kscience/kmath/operations/Field;
public final fun getValue ()Ljava/lang/Object;
@ -27,7 +27,7 @@ public abstract interface class space/kscience/kmath/expressions/DifferentiableE
public final class space/kscience/kmath/expressions/DifferentiableExpressionKt {
public static final fun derivative (Lspace/kscience/kmath/expressions/DifferentiableExpression;Ljava/lang/String;)Lspace/kscience/kmath/expressions/Expression;
public static final fun derivative (Lspace/kscience/kmath/expressions/DifferentiableExpression;Ljava/util/List;)Lspace/kscience/kmath/expressions/Expression;
public static final fun derivative (Lspace/kscience/kmath/expressions/DifferentiableExpression;[Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/expressions/Expression;
public static final fun derivative (Lspace/kscience/kmath/expressions/DifferentiableExpression;[Lspace/kscience/kmath/misc/Symbol;)Lspace/kscience/kmath/expressions/Expression;
}
public abstract interface class space/kscience/kmath/expressions/Expression {
@ -36,7 +36,7 @@ public abstract interface class space/kscience/kmath/expressions/Expression {
public abstract interface class space/kscience/kmath/expressions/ExpressionAlgebra : space/kscience/kmath/operations/Algebra {
public abstract fun bindSymbol (Ljava/lang/String;)Ljava/lang/Object;
public abstract fun bindSymbolOrNull (Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public abstract fun bindSymbolOrNull (Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public abstract fun const (Ljava/lang/Object;)Ljava/lang/Object;
}
@ -56,18 +56,17 @@ public final class space/kscience/kmath/expressions/ExpressionBuildersKt {
}
public final class space/kscience/kmath/expressions/ExpressionKt {
public static final fun bindSymbol (Lspace/kscience/kmath/expressions/ExpressionAlgebra;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public static final fun bindSymbol (Lspace/kscience/kmath/expressions/ExpressionAlgebra;Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public static final fun binding (Lspace/kscience/kmath/expressions/ExpressionAlgebra;)Lkotlin/properties/ReadOnlyProperty;
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 getSymbol ()Lkotlin/properties/ReadOnlyProperty;
public static final fun invoke (Lspace/kscience/kmath/expressions/Expression;)Ljava/lang/Object;
}
public abstract class space/kscience/kmath/expressions/FirstDerivativeExpression : space/kscience/kmath/expressions/DifferentiableExpression {
public fun <init> ()V
public final fun derivativeOrNull (Ljava/util/List;)Lspace/kscience/kmath/expressions/Expression;
public abstract fun derivativeOrNull (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/expressions/Expression;
public abstract fun derivativeOrNull (Lspace/kscience/kmath/misc/Symbol;)Lspace/kscience/kmath/expressions/Expression;
}
public abstract class space/kscience/kmath/expressions/FunctionalExpressionAlgebra : space/kscience/kmath/expressions/ExpressionAlgebra {
@ -77,8 +76,8 @@ public abstract class space/kscience/kmath/expressions/FunctionalExpressionAlgeb
public fun binaryOperationFunction (Ljava/lang/String;)Lkotlin/jvm/functions/Function2;
public synthetic fun bindSymbol (Ljava/lang/String;)Ljava/lang/Object;
public fun bindSymbol (Ljava/lang/String;)Lspace/kscience/kmath/expressions/Expression;
public synthetic fun bindSymbolOrNull (Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public fun bindSymbolOrNull (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/expressions/Expression;
public synthetic fun bindSymbolOrNull (Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public fun bindSymbolOrNull (Lspace/kscience/kmath/misc/Symbol;)Lspace/kscience/kmath/expressions/Expression;
public synthetic fun const (Ljava/lang/Object;)Ljava/lang/Object;
public fun const (Ljava/lang/Object;)Lspace/kscience/kmath/expressions/Expression;
public final fun getAlgebra ()Lspace/kscience/kmath/operations/Algebra;
@ -203,7 +202,7 @@ public class space/kscience/kmath/expressions/FunctionalExpressionRing : space/k
public final class space/kscience/kmath/expressions/SimpleAutoDiffExpression : space/kscience/kmath/expressions/FirstDerivativeExpression {
public fun <init> (Lspace/kscience/kmath/operations/Field;Lkotlin/jvm/functions/Function1;)V
public fun derivativeOrNull (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/expressions/Expression;
public fun derivativeOrNull (Lspace/kscience/kmath/misc/Symbol;)Lspace/kscience/kmath/expressions/Expression;
public final fun getField ()Lspace/kscience/kmath/operations/Field;
public final fun getFunction ()Lkotlin/jvm/functions/Function1;
public fun invoke (Ljava/util/Map;)Ljava/lang/Object;
@ -264,8 +263,8 @@ public class space/kscience/kmath/expressions/SimpleAutoDiffField : space/kscien
public fun binaryOperationFunction (Ljava/lang/String;)Lkotlin/jvm/functions/Function2;
public synthetic fun bindSymbol (Ljava/lang/String;)Ljava/lang/Object;
public fun bindSymbol (Ljava/lang/String;)Lspace/kscience/kmath/expressions/AutoDiffValue;
public synthetic fun bindSymbolOrNull (Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public fun bindSymbolOrNull (Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/expressions/AutoDiffValue;
public synthetic fun bindSymbolOrNull (Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public fun bindSymbolOrNull (Lspace/kscience/kmath/misc/Symbol;)Lspace/kscience/kmath/expressions/AutoDiffValue;
public synthetic fun const (Ljava/lang/Object;)Ljava/lang/Object;
public fun const (Ljava/lang/Object;)Lspace/kscience/kmath/expressions/AutoDiffValue;
public final fun const (Lkotlin/jvm/functions/Function1;)Lspace/kscience/kmath/expressions/AutoDiffValue;
@ -332,7 +331,7 @@ public final class space/kscience/kmath/expressions/SimpleAutoDiffKt {
public static final fun cos (Lspace/kscience/kmath/expressions/SimpleAutoDiffField;Lspace/kscience/kmath/expressions/AutoDiffValue;)Lspace/kscience/kmath/expressions/AutoDiffValue;
public static final fun cosh (Lspace/kscience/kmath/expressions/SimpleAutoDiffField;Lspace/kscience/kmath/expressions/AutoDiffValue;)Lspace/kscience/kmath/expressions/AutoDiffValue;
public static final fun exp (Lspace/kscience/kmath/expressions/SimpleAutoDiffField;Lspace/kscience/kmath/expressions/AutoDiffValue;)Lspace/kscience/kmath/expressions/AutoDiffValue;
public static final fun grad (Lspace/kscience/kmath/expressions/DerivationResult;[Lspace/kscience/kmath/expressions/Symbol;)Lspace/kscience/kmath/structures/Buffer;
public static final fun grad (Lspace/kscience/kmath/expressions/DerivationResult;[Lspace/kscience/kmath/misc/Symbol;)Lspace/kscience/kmath/structures/Buffer;
public static final fun ln (Lspace/kscience/kmath/expressions/SimpleAutoDiffField;Lspace/kscience/kmath/expressions/AutoDiffValue;)Lspace/kscience/kmath/expressions/AutoDiffValue;
public static final fun pow (Lspace/kscience/kmath/expressions/SimpleAutoDiffField;Lspace/kscience/kmath/expressions/AutoDiffValue;D)Lspace/kscience/kmath/expressions/AutoDiffValue;
public static final fun pow (Lspace/kscience/kmath/expressions/SimpleAutoDiffField;Lspace/kscience/kmath/expressions/AutoDiffValue;I)Lspace/kscience/kmath/expressions/AutoDiffValue;
@ -348,79 +347,13 @@ 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 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 static fun get-impl (Ljava/util/List;Ljava/util/List;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public static fun get-impl (Ljava/util/List;Lspace/kscience/kmath/nd/Structure2D;Lspace/kscience/kmath/expressions/Symbol;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public static fun get-impl (Ljava/util/List;Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public static fun get-impl (Ljava/util/List;[DLspace/kscience/kmath/expressions/Symbol;)D
public static fun get-impl (Ljava/util/List;[Ljava/lang/Object;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public fun getSymbols ()Ljava/util/List;
public fun hashCode ()I
public static fun hashCode-impl (Ljava/util/List;)I
public fun indexOf (Lspace/kscience/kmath/expressions/Symbol;)I
public static fun indexOf-impl (Ljava/util/List;Lspace/kscience/kmath/expressions/Symbol;)I
public fun toDoubleArray (Ljava/util/Map;)[D
public static fun toDoubleArray-impl (Ljava/util/List;Ljava/util/Map;)[D
public fun toList (Ljava/util/Map;)Ljava/util/List;
public static fun toList-impl (Ljava/util/List;Ljava/util/Map;)Ljava/util/List;
public fun toMap ([D)Ljava/util/Map;
public static fun toMap-impl (Ljava/util/List;[D)Ljava/util/Map;
public fun toPoint (Ljava/util/Map;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/structures/Buffer;
public static fun toPoint-impl (Ljava/util/List;Ljava/util/Map;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/structures/Buffer;
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 final class space/kscience/kmath/expressions/StringSymbol : space/kscience/kmath/expressions/Symbol {
public static final synthetic fun box-impl (Ljava/lang/String;)Lspace/kscience/kmath/expressions/StringSymbol;
public static fun constructor-impl (Ljava/lang/String;)Ljava/lang/String;
public fun equals (Ljava/lang/Object;)Z
public static fun equals-impl (Ljava/lang/String;Ljava/lang/Object;)Z
public static final fun equals-impl0 (Ljava/lang/String;Ljava/lang/String;)Z
public fun getIdentity ()Ljava/lang/String;
public fun hashCode ()I
public static fun hashCode-impl (Ljava/lang/String;)I
public fun toString ()Ljava/lang/String;
public static fun toString-impl (Ljava/lang/String;)Ljava/lang/String;
public final synthetic fun unbox-impl ()Ljava/lang/String;
}
public abstract interface class space/kscience/kmath/expressions/Symbol {
public abstract fun getIdentity ()Ljava/lang/String;
}
public abstract interface class space/kscience/kmath/expressions/SymbolIndexer {
public abstract fun get (Ljava/util/List;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public abstract fun get (Lspace/kscience/kmath/nd/Structure2D;Lspace/kscience/kmath/expressions/Symbol;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public abstract fun get (Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public abstract fun get ([DLspace/kscience/kmath/expressions/Symbol;)D
public abstract fun get ([Ljava/lang/Object;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public abstract fun getSymbols ()Ljava/util/List;
public abstract fun indexOf (Lspace/kscience/kmath/expressions/Symbol;)I
public abstract fun toDoubleArray (Ljava/util/Map;)[D
public abstract fun toList (Ljava/util/Map;)Ljava/util/List;
public abstract fun toMap ([D)Ljava/util/Map;
public abstract fun toPoint (Ljava/util/Map;Lkotlin/jvm/functions/Function2;)Lspace/kscience/kmath/structures/Buffer;
}
public final class space/kscience/kmath/expressions/SymbolIndexer$DefaultImpls {
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;Ljava/util/List;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;Lspace/kscience/kmath/nd/Structure2D;Lspace/kscience/kmath/expressions/Symbol;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;[DLspace/kscience/kmath/expressions/Symbol;)D
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;[Ljava/lang/Object;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public static fun indexOf (Lspace/kscience/kmath/expressions/SymbolIndexer;Lspace/kscience/kmath/expressions/Symbol;)I
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;Ljava/util/List;Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;Lspace/kscience/kmath/nd/Structure2D;Lspace/kscience/kmath/misc/Symbol;Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;Lspace/kscience/kmath/structures/Buffer;Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;[DLspace/kscience/kmath/misc/Symbol;)D
public static fun get (Lspace/kscience/kmath/expressions/SymbolIndexer;[Ljava/lang/Object;Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public static fun indexOf (Lspace/kscience/kmath/expressions/SymbolIndexer;Lspace/kscience/kmath/misc/Symbol;)I
public static fun toDoubleArray (Lspace/kscience/kmath/expressions/SymbolIndexer;Ljava/util/Map;)[D
public static fun toList (Lspace/kscience/kmath/expressions/SymbolIndexer;Ljava/util/Map;)Ljava/util/List;
public static fun toMap (Lspace/kscience/kmath/expressions/SymbolIndexer;[D)Ljava/util/Map;
@ -428,8 +361,6 @@ public final class space/kscience/kmath/expressions/SymbolIndexer$DefaultImpls {
}
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/linear/BufferedLinearSpace : space/kscience/kmath/linear/LinearSpace {
@ -672,9 +603,58 @@ public final class space/kscience/kmath/misc/CumulativeKt {
public static final fun cumulativeSumOfLong (Lkotlin/sequences/Sequence;)Lkotlin/sequences/Sequence;
}
public final class space/kscience/kmath/misc/NDStructureColumn : space/kscience/kmath/structures/Buffer {
public fun <init> (Lspace/kscience/kmath/nd/Structure2D;I)V
public fun get (I)Ljava/lang/Object;
public final fun getColumn ()I
public fun getSize ()I
public final fun getStructure ()Lspace/kscience/kmath/nd/Structure2D;
public fun iterator ()Ljava/util/Iterator;
}
public final class space/kscience/kmath/misc/StringSymbol : space/kscience/kmath/misc/Symbol {
public static final synthetic fun box-impl (Ljava/lang/String;)Lspace/kscience/kmath/misc/StringSymbol;
public static fun constructor-impl (Ljava/lang/String;)Ljava/lang/String;
public fun equals (Ljava/lang/Object;)Z
public static fun equals-impl (Ljava/lang/String;Ljava/lang/Object;)Z
public static final fun equals-impl0 (Ljava/lang/String;Ljava/lang/String;)Z
public fun getIdentity ()Ljava/lang/String;
public fun hashCode ()I
public static fun hashCode-impl (Ljava/lang/String;)I
public fun toString ()Ljava/lang/String;
public static fun toString-impl (Ljava/lang/String;)Ljava/lang/String;
public final synthetic fun unbox-impl ()Ljava/lang/String;
}
public abstract interface class space/kscience/kmath/misc/Symbol {
public static final field Companion Lspace/kscience/kmath/misc/Symbol$Companion;
public abstract fun getIdentity ()Ljava/lang/String;
}
public final class space/kscience/kmath/misc/Symbol$Companion {
public final fun getX-tWtZOCg ()Ljava/lang/String;
public final fun getY-tWtZOCg ()Ljava/lang/String;
public final fun getZ-tWtZOCg ()Ljava/lang/String;
}
public final class space/kscience/kmath/misc/SymbolKt {
public static final fun getSymbol ()Lkotlin/properties/ReadOnlyProperty;
}
public abstract interface annotation class space/kscience/kmath/misc/UnstableKMathAPI : java/lang/annotation/Annotation {
}
public final class space/kscience/kmath/misc/XYPointSet$DefaultImpls {
public static fun get (Lspace/kscience/kmath/misc/XYPointSet;Lspace/kscience/kmath/misc/Symbol;)Lspace/kscience/kmath/structures/Buffer;
}
public final class space/kscience/kmath/misc/XYPointSetKt {
}
public final class space/kscience/kmath/misc/XYZPointSet$DefaultImpls {
public static fun get (Lspace/kscience/kmath/misc/XYZPointSet;Lspace/kscience/kmath/misc/Symbol;)Lspace/kscience/kmath/structures/Buffer;
}
public abstract interface class space/kscience/kmath/nd/AlgebraND {
public static final field Companion Lspace/kscience/kmath/nd/AlgebraND$Companion;
public abstract fun combine (Lspace/kscience/kmath/nd/StructureND;Lspace/kscience/kmath/nd/StructureND;Lkotlin/jvm/functions/Function3;)Lspace/kscience/kmath/nd/StructureND;
@ -1180,7 +1160,7 @@ public final class space/kscience/kmath/operations/AlgebraExtensionsKt {
}
public final class space/kscience/kmath/operations/AlgebraKt {
public static final fun bindSymbol (Lspace/kscience/kmath/operations/Algebra;Lspace/kscience/kmath/expressions/Symbol;)Ljava/lang/Object;
public static final fun bindSymbol (Lspace/kscience/kmath/operations/Algebra;Lspace/kscience/kmath/misc/Symbol;)Ljava/lang/Object;
public static final fun invoke (Lspace/kscience/kmath/operations/Algebra;Lkotlin/jvm/functions/Function1;)Ljava/lang/Object;
}
@ -2119,6 +2099,7 @@ public final class space/kscience/kmath/structures/BufferKt {
public final class space/kscience/kmath/structures/BufferOperationKt {
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 fold (Lspace/kscience/kmath/structures/Buffer;Ljava/lang/Object;Lkotlin/jvm/functions/Function2;)Ljava/lang/Object;
public static final fun toList (Lspace/kscience/kmath/structures/Buffer;)Ljava/util/List;
}

3
kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/DifferentiableExpression.kt
View File

@ -1,5 +1,8 @@
package space.kscience.kmath.expressions
import space.kscience.kmath.misc.StringSymbol
import space.kscience.kmath.misc.Symbol
/**
* Represents expression which structure can be differentiated.
*

26
kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/Expression.kt
View File

@ -1,26 +1,11 @@
package space.kscience.kmath.expressions
import space.kscience.kmath.misc.StringSymbol
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.operations.Algebra
import kotlin.jvm.JvmName
import kotlin.properties.ReadOnlyProperty
/**
* A marker interface for a symbol. A symbol mus have an identity
*/
public interface Symbol {
/**
* Identity object for the symbol. Two symbols with the same identity are considered to be the same symbol.
*/
public val identity: String
}
/**
* A [Symbol] with a [String] identity
*/
public inline class StringSymbol(override val identity: String) : Symbol {
override fun toString(): String = identity
}
/**
* An elementary function that could be invoked on a map of arguments.
*
@ -92,13 +77,6 @@ public interface ExpressionAlgebra<in T, E> : Algebra<E> {
public fun <T, E> ExpressionAlgebra<T, E>.bindSymbol(symbol: Symbol): E =
bindSymbolOrNull(symbol) ?: error("Symbol $symbol could not be bound to $this")
/**
* A delegate to create a symbol with a string identity in this scope
*/
public val symbol: ReadOnlyProperty<Any?, Symbol> = ReadOnlyProperty { _, property ->
StringSymbol(property.name)
}
/**
* Bind a symbol by name inside the [ExpressionAlgebra]
*/

1
kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/FunctionalExpressionAlgebra.kt
View File

@ -1,5 +1,6 @@
package space.kscience.kmath.expressions
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.operations.*
/**

1
kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/SimpleAutoDiff.kt
View File

@ -1,6 +1,7 @@
package space.kscience.kmath.expressions
import space.kscience.kmath.linear.Point
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.misc.UnstableKMathAPI
import space.kscience.kmath.operations.*
import space.kscience.kmath.structures.asBuffer

6
kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/SymbolIndexer.kt
View File

@ -1,6 +1,8 @@
package space.kscience.kmath.expressions
import space.kscience.kmath.linear.Point
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.misc.UnstableKMathAPI
import space.kscience.kmath.nd.Structure2D
import space.kscience.kmath.structures.BufferFactory
@ -8,6 +10,7 @@ import space.kscience.kmath.structures.BufferFactory
* An environment to easy transform indexed variables to symbols and back.
* TODO requires multi-receivers to be beautiful
*/
@UnstableKMathAPI
public interface SymbolIndexer {
public val symbols: List<Symbol>
public fun indexOf(symbol: Symbol): Int = symbols.indexOf(symbol)
@ -49,13 +52,16 @@ public interface SymbolIndexer {
public fun Map<Symbol, Double>.toDoubleArray(): DoubleArray = DoubleArray(symbols.size) { getValue(symbols[it]) }
}
@UnstableKMathAPI
public inline class SimpleSymbolIndexer(override val symbols: List<Symbol>) : SymbolIndexer
/**
* Execute the block with symbol indexer based on given symbol order
*/
@UnstableKMathAPI
public inline fun <R> withSymbols(vararg symbols: Symbol, block: SymbolIndexer.() -> R): R =
with(SimpleSymbolIndexer(symbols.toList()), block)
@UnstableKMathAPI
public inline fun <R> withSymbols(symbols: Collection<Symbol>, block: SymbolIndexer.() -> R): R =
with(SimpleSymbolIndexer(symbols.toList()), block)

15
kmath-core/src/commonMain/kotlin/space/kscience/kmath/misc/ColumnarData.kt Normal file
View File

@ -0,0 +1,15 @@
package space.kscience.kmath.misc
import space.kscience.kmath.structures.Buffer
/**
* A column-based data set with all columns of the same size (not necessary fixed in time).
* The column could be retrieved by a [get] operation.
*/
@UnstableKMathAPI
public interface ColumnarData<out T> {
public val size: Int
public operator fun get(symbol: Symbol): Buffer<T>
}

34
kmath-core/src/commonMain/kotlin/space/kscience/kmath/misc/Symbol.kt Normal file
View File

@ -0,0 +1,34 @@
package space.kscience.kmath.misc
import kotlin.properties.ReadOnlyProperty
/**
* A marker interface for a symbol. A symbol mus have an identity
*/
public interface Symbol {
/**
* Identity object for the symbol. Two symbols with the same identity are considered to be the same symbol.
*/
public val identity: String
public companion object{
public val x: StringSymbol = StringSymbol("x")
public val y: StringSymbol = StringSymbol("y")
public val z: StringSymbol = StringSymbol("z")
}
}
/**
* A [Symbol] with a [String] identity
*/
public inline class StringSymbol(override val identity: String) : Symbol {
override fun toString(): String = identity
}
/**
* A delegate to create a symbol with a string identity in this scope
*/
public val symbol: ReadOnlyProperty<Any?, Symbol> = ReadOnlyProperty { _, property ->
StringSymbol(property.name)
}

39
kmath-functions/src/commonMain/kotlin/space/kscience/kmath/interpolation/XYPointSet.kt → kmath-core/src/commonMain/kotlin/space/kscience/kmath/misc/XYPointSet.kt
View File

@ -1,22 +1,32 @@
package space.kscience.kmath.interpolation
package space.kscience.kmath.misc
import space.kscience.kmath.nd.Structure2D
import space.kscience.kmath.structures.Buffer
public interface XYPointSet<X, Y> {
public val size: Int
@UnstableKMathAPI
public interface XYPointSet<T, X : T, Y : T> : ColumnarData<T> {
public val x: Buffer<X>
public val y: Buffer<Y>
override fun get(symbol: Symbol): Buffer<T> = when (symbol) {
Symbol.x -> x
Symbol.y -> y
else -> error("A column for symbol $symbol not found")
}
}
public interface XYZPointSet<X, Y, Z> : XYPointSet<X, Y> {
@UnstableKMathAPI
public interface XYZPointSet<T, X : T, Y : T, Z : T> : XYPointSet<T, X, Y> {
public val z: Buffer<Z>
override fun get(symbol: Symbol): Buffer<T> = when (symbol) {
Symbol.x -> x
Symbol.y -> y
Symbol.z -> z
else -> error("A column for symbol $symbol not found")
}
}
internal fun <T : Comparable<T>> insureSorted(points: XYPointSet<T, *>) {
for (i in 0 until points.size - 1)
require(points.x[i + 1] > points.x[i]) { "Input data is not sorted at index $i" }
}
public class NDStructureColumn<T>(public val structure: Structure2D<T>, public val column: Int) : Buffer<T> {
public override val size: Int
@ -30,22 +40,23 @@ public class NDStructureColumn<T>(public val structure: Structure2D<T>, public v
public override operator fun iterator(): Iterator<T> = sequence { repeat(size) { yield(get(it)) } }.iterator()
}
public class BufferXYPointSet<X, Y>(
@UnstableKMathAPI
public class BufferXYPointSet<T, X : T, Y : T>(
public override val x: Buffer<X>,
public override val y: Buffer<Y>,
) : XYPointSet<X, Y> {
public override val size: Int
get() = x.size
) : XYPointSet<T, X, Y> {
public override val size: Int get() = x.size
init {
require(x.size == y.size) { "Sizes of x and y buffers should be the same" }
}
}
public fun <T> Structure2D<T>.asXYPointSet(): XYPointSet<T, T> {
@UnstableKMathAPI
public fun <T> Structure2D<T>.asXYPointSet(): XYPointSet<T, T, T> {
require(shape[1] == 2) { "Structure second dimension should be of size 2" }
return object : XYPointSet<T, T> {
return object : XYPointSet<T, T, T> {
override val size: Int get() = this@asXYPointSet.shape[0]
override val x: Buffer<T> get() = NDStructureColumn(this@asXYPointSet, 0)
override val y: Buffer<T> get() = NDStructureColumn(this@asXYPointSet, 1)

2
kmath-core/src/commonMain/kotlin/space/kscience/kmath/operations/Algebra.kt
View File

@ -1,6 +1,6 @@
package space.kscience.kmath.operations
import space.kscience.kmath.expressions.Symbol
import space.kscience.kmath.misc.Symbol
/**
* Stub for DSL the [Algebra] is.

9
kmath-core/src/commonMain/kotlin/space/kscience/kmath/structures/bufferOperation.kt
View File

@ -70,6 +70,15 @@ public inline fun <T : Any, reified R : Any> Buffer<T>.mapIndexed(
crossinline block: (index: Int, value: T) -> R,
): Buffer<R> = bufferFactory(size) { block(it, get(it)) }
/**
* Fold given buffer according to [operation]
*/
public inline fun <T : Any, R> Buffer<T>.fold(initial: R, operation: (acc: R, T) -> R): R {
var accumulator = initial
for (index in this.indices) accumulator = operation(accumulator, get(index))
return accumulator
}
/**
* Zip two buffers using given [transform].
*/

1
kmath-core/src/commonTest/kotlin/space/kscience/kmath/expressions/ExpressionFieldTest.kt
View File

@ -1,5 +1,6 @@
package space.kscience.kmath.expressions
import space.kscience.kmath.misc.symbol
import space.kscience.kmath.operations.DoubleField
import space.kscience.kmath.operations.invoke
import kotlin.test.Test

2
kmath-core/src/commonTest/kotlin/space/kscience/kmath/expressions/SimpleAutoDiffTest.kt
View File

@ -1,5 +1,7 @@
package space.kscience.kmath.expressions
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.misc.symbol
import space.kscience.kmath.operations.DoubleField
import space.kscience.kmath.structures.Buffer
import space.kscience.kmath.structures.asBuffer

14
kmath-for-real/src/commonMain/kotlin/space/kscience/kmath/real/RealVector.kt
View File

@ -6,17 +6,13 @@ import space.kscience.kmath.operations.Norm
import space.kscience.kmath.structures.Buffer
import space.kscience.kmath.structures.MutableBuffer.Companion.double
import space.kscience.kmath.structures.asBuffer
import space.kscience.kmath.structures.asIterable
import space.kscience.kmath.structures.fold
import space.kscience.kmath.structures.indices
import kotlin.math.pow
import kotlin.math.sqrt
public typealias DoubleVector = Point<Double>
public object VectorL2Norm : Norm<Point<out Number>, Double> {
override fun norm(arg: Point<out Number>): Double = sqrt(arg.asIterable().sumByDouble(Number::toDouble))
}
@Suppress("FunctionName")
public fun DoubleVector(vararg doubles: Double): DoubleVector = doubles.asBuffer()
@ -102,4 +98,10 @@ public fun DoubleVector.sum(): Double {
res += get(i)
}
return res
}
}
public object VectorL2Norm : Norm<DoubleVector, Double> {
override fun norm(arg: DoubleVector): Double = sqrt(arg.fold(0.0) { acc: Double, d: Double -> acc + d.pow(2) })
}
public val DoubleVector.norm: Double get() = VectorL2Norm.norm(this)

12
kmath-for-real/src/commonMain/kotlin/space/kscience/kmath/real/grids.kt
View File

@ -11,7 +11,6 @@ public val ClosedFloatingPointRange<Double>.length: Double get() = endInclusive
* Create a Buffer-based grid with equally distributed [numberOfPoints] points. The range could be increasing or decreasing.
* If range has a zero size, then the buffer consisting of [numberOfPoints] equal values is returned.
*/
@UnstableKMathAPI
public fun Buffer.Companion.fromRange(range: ClosedFloatingPointRange<Double>, numberOfPoints: Int): DoubleBuffer {
require(numberOfPoints >= 2) { "Number of points in grid must be more than 1" }
val normalizedRange = when {
@ -20,23 +19,22 @@ public fun Buffer.Companion.fromRange(range: ClosedFloatingPointRange<Double>, n
else -> return DoubleBuffer(numberOfPoints) { range.start }
}
val step = normalizedRange.length / (numberOfPoints - 1)
return DoubleBuffer(numberOfPoints) { normalizedRange.start + step * it / (numberOfPoints - 1) }
return DoubleBuffer(numberOfPoints) { normalizedRange.start + step * it }
}
/**
* Create a Buffer-based grid with equally distributed points with a fixed [step]. The range could be increasing or decreasing.
* If the step is larger than the range size, single point is returned.
*/
@UnstableKMathAPI
public fun Buffer.Companion.fromRange(range: ClosedFloatingPointRange<Double>, step: Double): DoubleBuffer {
public fun Buffer.Companion.withFixedStep(range: ClosedFloatingPointRange<Double>, step: Double): DoubleBuffer {
require(step > 0) { "The grid step must be positive" }
val normalizedRange = when {
range.endInclusive > range.start -> range
range.endInclusive < range.start -> range.endInclusive..range.start
else -> return DoubleBuffer(range.start)
}
val numberOfPoints = floor(normalizedRange.length / step).toInt()
return DoubleBuffer(numberOfPoints) { normalizedRange.start + step * it / (numberOfPoints - 1) }
val numberOfPoints = floor(normalizedRange.length / step).toInt() + 1
return DoubleBuffer(numberOfPoints) { normalizedRange.start + step * it }
}
/**
@ -48,4 +46,4 @@ public fun Buffer.Companion.fromRange(range: ClosedFloatingPointRange<Double>, s
* If step is negative, the same goes from upper boundary downwards
*/
@UnstableKMathAPI
public infix fun ClosedFloatingPointRange<Double>.step(step: Double): DoubleBuffer = Buffer.fromRange(this, step)
public infix fun ClosedFloatingPointRange<Double>.step(step: Double): DoubleBuffer = Buffer.withFixedStep(this, step)

5
kmath-for-real/src/commonTest/kotlin/kaceince/kmath/real/GridTest.kt
View File

@ -1,13 +1,18 @@
package kaceince.kmath.real
import space.kscience.kmath.real.DoubleVector
import space.kscience.kmath.real.minus
import space.kscience.kmath.real.norm
import space.kscience.kmath.real.step
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertTrue
class GridTest {
@Test
fun testStepGrid() {
val grid = 0.0..1.0 step 0.2
assertEquals(6, grid.size)
assertTrue { (grid - DoubleVector(0.0, 0.2, 0.4, 0.6, 0.8, 1.0)).norm < 1e-4 }
}
}

15
kmath-functions/src/commonMain/kotlin/space/kscience/kmath/interpolation/Interpolator.kt
View File

@ -1,27 +1,32 @@
@file:OptIn(UnstableKMathAPI::class)
package space.kscience.kmath.interpolation
import space.kscience.kmath.functions.PiecewisePolynomial
import space.kscience.kmath.functions.value
import space.kscience.kmath.misc.BufferXYPointSet
import space.kscience.kmath.misc.UnstableKMathAPI
import space.kscience.kmath.misc.XYPointSet
import space.kscience.kmath.operations.Ring
import space.kscience.kmath.structures.Buffer
import space.kscience.kmath.structures.asBuffer
public fun interface Interpolator<X, Y> {
public fun interpolate(points: XYPointSet<X, Y>): (X) -> Y
public fun interface Interpolator<T, X : T, Y : T> {
public fun interpolate(points: XYPointSet<T, X, Y>): (X) -> Y
}
public interface PolynomialInterpolator<T : Comparable<T>> : Interpolator<T, T> {
public interface PolynomialInterpolator<T : Comparable<T>> : Interpolator<T, T, T> {
public val algebra: Ring<T>
public fun getDefaultValue(): T = error("Out of bounds")
public fun interpolatePolynomials(points: XYPointSet<T, T>): PiecewisePolynomial<T>
public fun interpolatePolynomials(points: XYPointSet<T, T, T>): PiecewisePolynomial<T>
override fun interpolate(points: XYPointSet<T, T>): (T) -> T = { x ->
override fun interpolate(points: XYPointSet<T, T, T>): (T) -> T = { x ->
interpolatePolynomials(points).value(algebra, x) ?: getDefaultValue()
}
}
public fun <T : Comparable<T>> PolynomialInterpolator<T>.interpolatePolynomials(
x: Buffer<T>,
y: Buffer<T>,

11
kmath-functions/src/commonMain/kotlin/space/kscience/kmath/interpolation/LinearInterpolator.kt
View File

@ -3,14 +3,23 @@ package space.kscience.kmath.interpolation
import space.kscience.kmath.functions.OrderedPiecewisePolynomial
import space.kscience.kmath.functions.PiecewisePolynomial
import space.kscience.kmath.functions.Polynomial
import space.kscience.kmath.misc.UnstableKMathAPI
import space.kscience.kmath.misc.XYPointSet
import space.kscience.kmath.operations.Field
import space.kscience.kmath.operations.invoke
@OptIn(UnstableKMathAPI::class)
internal fun <T : Comparable<T>> insureSorted(points: XYPointSet<*, T, *>) {
for (i in 0 until points.size - 1)
require(points.x[i + 1] > points.x[i]) { "Input data is not sorted at index $i" }
}
/**
* Reference JVM implementation: https://github.com/apache/commons-math/blob/master/src/main/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolator.java
*/
public class LinearInterpolator<T : Comparable<T>>(public override val algebra: Field<T>) : PolynomialInterpolator<T> {
public override fun interpolatePolynomials(points: XYPointSet<T, T>): PiecewisePolynomial<T> = algebra {
@OptIn(UnstableKMathAPI::class)
public override fun interpolatePolynomials(points: XYPointSet<T, T, T>): PiecewisePolynomial<T> = algebra {
require(points.size > 0) { "Point array should not be empty" }
insureSorted(points)

5
kmath-functions/src/commonMain/kotlin/space/kscience/kmath/interpolation/SplineInterpolator.kt
View File

@ -3,6 +3,8 @@ package space.kscience.kmath.interpolation
import space.kscience.kmath.functions.OrderedPiecewisePolynomial
import space.kscience.kmath.functions.PiecewisePolynomial
import space.kscience.kmath.functions.Polynomial
import space.kscience.kmath.misc.UnstableKMathAPI
import space.kscience.kmath.misc.XYPointSet
import space.kscience.kmath.operations.Field
import space.kscience.kmath.operations.invoke
import space.kscience.kmath.structures.MutableBufferFactory
@ -17,7 +19,8 @@ public class SplineInterpolator<T : Comparable<T>>(
) : PolynomialInterpolator<T> {
//TODO possibly optimize zeroed buffers
public override fun interpolatePolynomials(points: XYPointSet<T, T>): PiecewisePolynomial<T> = algebra {
@OptIn(UnstableKMathAPI::class)
public override fun interpolatePolynomials(points: XYPointSet<T, T, T>): PiecewisePolynomial<T> = algebra {
require(points.size >= 3) { "Can't use spline interpolator with less than 3 points" }
insureSorted(points)
// Number of intervals. The number of data points is n + 1.

2
kmath-kotlingrad/src/main/kotlin/space/kscience/kmath/kotlingrad/DifferentiableMstExpression.kt
View File

@ -5,7 +5,7 @@ import space.kscience.kmath.ast.MST
import space.kscience.kmath.ast.MstAlgebra
import space.kscience.kmath.ast.MstExpression
import space.kscience.kmath.expressions.DifferentiableExpression
import space.kscience.kmath.expressions.Symbol
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.operations.NumericAlgebra
/**

4
kmath-stat/src/commonMain/kotlin/space/kscience/kmath/optimization/DataFit.kt
View File

@ -1,8 +1,8 @@
package space.kscience.kmath.optimization
import space.kscience.kmath.expressions.DifferentiableExpression
import space.kscience.kmath.expressions.StringSymbol
import space.kscience.kmath.expressions.Symbol
import space.kscience.kmath.misc.StringSymbol
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.structures.Buffer
public interface DataFit<T : Any> : Optimization<T> {

7
kmath-stat/src/commonMain/kotlin/space/kscience/kmath/optimization/FunctionOptimization.kt
View File

@ -1,6 +1,11 @@
package space.kscience.kmath.optimization
import space.kscience.kmath.expressions.*
import space.kscience.kmath.expressions.AutoDiffProcessor
import space.kscience.kmath.expressions.DifferentiableExpression
import space.kscience.kmath.expressions.Expression
import space.kscience.kmath.expressions.ExpressionAlgebra
import space.kscience.kmath.misc.StringSymbol
import space.kscience.kmath.misc.Symbol
import space.kscience.kmath.operations.ExtendedField
import space.kscience.kmath.structures.Buffer
import space.kscience.kmath.structures.indices

2
kmath-stat/src/commonMain/kotlin/space/kscience/kmath/optimization/Optimization.kt
View File

@ -1,6 +1,6 @@
package space.kscience.kmath.optimization
import space.kscience.kmath.expressions.Symbol
import space.kscience.kmath.misc.Symbol
public interface OptimizationFeature