Add adapters of scalar functions to MST and vice versa
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@ -12,6 +12,7 @@ allprojects {
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maven("https://dl.bintray.com/kotlin/kotlin-eap")
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maven("https://dl.bintray.com/kotlin/kotlinx")
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maven("https://dl.bintray.com/hotkeytlt/maven")
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maven("https://jitpack.io")
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}
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group = "kscience.kmath"
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8
kmath-ast-kotlingrad/build.gradle.kts
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8
kmath-ast-kotlingrad/build.gradle.kts
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@ -0,0 +1,8 @@
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plugins {
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id("ru.mipt.npm.jvm")
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}
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dependencies {
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api("com.github.breandan:kotlingrad:0.3.2")
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api(project(":kmath-ast"))
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}
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@ -0,0 +1,64 @@
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package kscience.kmath.ast.kotlingrad
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import edu.umontreal.kotlingrad.experimental.*
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import kscience.kmath.ast.MST
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import kscience.kmath.ast.MstExtendedField
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import kscience.kmath.operations.*
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/**
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* Maps [SFun] objects to [MST]. Some unsupported operations like [Derivative] are bound and converted then.
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*
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* @receiver a scalar function.
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* @return the [MST].
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*/
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public fun <X : SFun<X>> SFun<X>.mst(): MST = MstExtendedField {
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when (this@mst) {
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is SVar -> symbol(name)
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is SConst -> number(doubleValue)
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is Sum -> left.mst() + right.mst()
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is Prod -> left.mst() * right.mst()
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is Power -> power(left.mst(), (right() as SConst<*>).doubleValue)
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is Negative -> -input.mst()
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is Log -> ln(left.mst()) / ln(right.mst())
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is Sine -> sin(input.mst())
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is Cosine -> cos(input.mst())
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is Tangent -> tan(input.mst())
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is DProd -> this@mst().mst()
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is SComposition -> this@mst().mst()
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is VSumAll<X, *> -> this@mst().mst()
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is Derivative -> this@mst().mst()
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}
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}
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/**
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* Maps [MST] objects to [SFun]. Unsupported operations throw [IllegalStateException].
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*
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* @receiver an [MST].
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* @return the scalar function.
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*/
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public fun <X : SFun<X>> MST.sfun(proto: X): SFun<X> {
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return when (this) {
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is MST.Numeric -> SConst(value)
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is MST.Symbolic -> SVar(proto, value)
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is MST.Unary -> when (operation) {
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SpaceOperations.PLUS_OPERATION -> value.sfun(proto)
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SpaceOperations.MINUS_OPERATION -> Negative(value.sfun(proto))
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TrigonometricOperations.SIN_OPERATION -> Sine(value.sfun(proto))
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TrigonometricOperations.COS_OPERATION -> Cosine(value.sfun(proto))
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TrigonometricOperations.TAN_OPERATION -> Tangent(value.sfun(proto))
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PowerOperations.SQRT_OPERATION -> Power(value.sfun(proto), SConst(0.5))
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ExponentialOperations.EXP_OPERATION -> Power(value.sfun(proto), E())
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ExponentialOperations.LN_OPERATION -> Log(value.sfun(proto))
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else -> error("Unary operation $operation not defined in $this")
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}
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is MST.Binary -> when (operation) {
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SpaceOperations.PLUS_OPERATION -> Sum(left.sfun(proto), right.sfun(proto))
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SpaceOperations.MINUS_OPERATION -> Sum(left.sfun(proto), Negative(right.sfun(proto)))
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RingOperations.TIMES_OPERATION -> Prod(left.sfun(proto), right.sfun(proto))
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FieldOperations.DIV_OPERATION -> Prod(left.sfun(proto), Power(right.sfun(proto), Negative(One())))
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else -> error("Binary operation $operation not defined in $this")
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}
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}
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}
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@ -1,4 +1,6 @@
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plugins { id("ru.mipt.npm.mpp") }
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plugins {
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id("ru.mipt.npm.mpp")
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}
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kotlin.sourceSets {
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commonMain {
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@ -1,4 +1,6 @@
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plugins { id("ru.mipt.npm.jvm") }
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plugins {
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id("ru.mipt.npm.jvm")
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}
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description = "Binding for https://github.com/JetBrains-Research/viktor"
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@ -7,7 +7,6 @@ pluginManagement {
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maven("https://dl.bintray.com/mipt-npm/kscience")
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maven("https://dl.bintray.com/mipt-npm/dev")
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maven("https://dl.bintray.com/kotlin/kotlinx")
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maven("https://dl.bintray.com/kotlin/kotlin-dev/")
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}
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val toolsVersion = "0.6.1-dev-1.4.20-M1"
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@ -25,11 +24,11 @@ pluginManagement {
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}
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rootProject.name = "kmath"
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include(
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":kmath-memory",
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":kmath-core",
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":kmath-functions",
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// ":kmath-io",
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":kmath-coroutines",
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":kmath-histograms",
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":kmath-commons",
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@ -40,5 +39,6 @@ include(
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":kmath-geometry",
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":kmath-ast",
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":examples",
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":kmath-ejml"
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":kmath-ejml",
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":kmath-ast-kotlingrad"
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)
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