forked from kscience/kmath
Fix Symja build issues
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8da331f476
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65e0560553
@ -10,7 +10,9 @@ allprojects {
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maven("http://logicrunch.research.it.uu.se/maven") {
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isAllowInsecureProtocol = true
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}
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maven("https://oss.sonatype.org/content/repositories/snapshots")
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maven("https://oss.sonatype.org/content/repositories/snapshots") {
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}
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mavenCentral()
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}
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@ -31,6 +33,7 @@ subprojects {
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externalDocumentationLink("http://ejml.org/javadoc/")
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externalDocumentationLink("https://commons.apache.org/proper/commons-math/javadocs/api-3.6.1/")
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externalDocumentationLink("https://deeplearning4j.org/api/latest/")
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externalDocumentationLink("https://axelclk.bitbucket.io/symja/javadoc/")
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externalDocumentationLink("https://kotlin.github.io/kotlinx.coroutines/kotlinx-coroutines-core/")
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}
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}
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@ -11,7 +11,14 @@ plugins {
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description = "Symja integration module"
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dependencies {
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api("org.matheclipse:matheclipse-core:2.0.0-SNAPSHOT")
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api("org.matheclipse:matheclipse-core:2.0.0-SNAPSHOT") {
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// Incorrect transitive dependency org.apfloat:apfloat:1.10.0-SNAPSHOT
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exclude("org.apfloat", "apfloat")
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}
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// Replace for org.apfloat:apfloat:1.10.0-SNAPSHOT
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api("org.apfloat:apfloat:1.10.0")
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api(project(":kmath-core"))
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testImplementation("org.slf4j:slf4j-simple:1.7.30")
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}
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@ -7,17 +7,28 @@ package space.kscience.kmath.symja
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import org.matheclipse.core.eval.ExprEvaluator
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import org.matheclipse.core.expression.F
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import space.kscience.kmath.expressions.DifferentiableExpression
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import space.kscience.kmath.expressions.SpecialDifferentiableExpression
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import space.kscience.kmath.expressions.MST
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import space.kscience.kmath.expressions.Symbol
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import space.kscience.kmath.expressions.interpret
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import space.kscience.kmath.operations.NumericAlgebra
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/**
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* Represents [MST] based [DifferentiableExpression] relying on [Symja](https://github.com/axkr/symja_android_library).
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*
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* The principle of this API is converting the [mst] to an [org.matheclipse.core.interfaces.IExpr], differentiating it
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* with Symja's [F.D], then converting [org.matheclipse.core.interfaces.IExpr] back to [MST].
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*
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* @param T The type of number.
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* @param A The [NumericAlgebra] of [T].
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* @property algebra The [A] instance.
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* @property mst The [MST] node.
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*/
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public class SymjaExpression<T : Number, A : NumericAlgebra<T>>(
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public val algebra: A,
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public val mst: MST,
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public val evaluator: ExprEvaluator = DEFAULT_EVALUATOR,
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) : DifferentiableExpression<T, SymjaExpression<T, A>> {
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) : SpecialDifferentiableExpression<T, SymjaExpression<T, A>> {
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public override fun invoke(arguments: Map<Symbol, T>): T = mst.interpret(algebra, arguments)
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public override fun derivativeOrNull(symbols: List<Symbol>): SymjaExpression<T, A> = SymjaExpression(
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