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Copy DerivativeStructure from Commons Math to multiplatform #402

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CommanderTvis merged 8 commits from commandertvis/diff into dev 2022-07-16 10:05:59 +03:00
Conversation 0 Commits 8 Files Changed 16 +4 -4
2 changed files with 4 additions and 4 deletions
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2
kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/DSAlgebra.kt
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@ -439,7 +439,7 @@ public class DSField<T, A : ExtendedField<T>>(
} }
@UnstableKMathAPI @UnstableKMathAPI
public class DerivativeStructureFieldExpression<T, A : ExtendedField<T>>( public class DSFieldExpression<T, A : ExtendedField<T>>(
public val algebra: A, public val algebra: A,
public val bufferFactory: MutableBufferFactory<T>, public val bufferFactory: MutableBufferFactory<T>,
public val function: DSField<T, A>.() -> DS<T, A>, public val function: DSField<T, A>.() -> DS<T, A>,

6
kmath-core/src/commonTest/kotlin/space/kscience/kmath/expressions/DerivativeStructureExpressionTest.kt
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@ -30,7 +30,7 @@ internal class AutoDiffTest {
private val y by symbol private val y by symbol
@Test @Test
fun derivativeStructureFieldTest() { fun dsAlgebraTest() {
diff(2, x to 1.0, y to 1.0) { diff(2, x to 1.0, y to 1.0) {
val x = bindSymbol(x)//by binding() val x = bindSymbol(x)//by binding()
val y = bindSymbol("y") val y = bindSymbol("y")
@ -44,8 +44,8 @@ internal class AutoDiffTest {
} }
@Test @Test
fun autoDifTest() { fun dsExpressionTest() {
val f = DerivativeStructureFieldExpression(DoubleField, ::DoubleBuffer) { val f = DSFieldExpression(DoubleField, ::DoubleBuffer) {
val x by binding val x by binding
val y by binding val y by binding
x.pow(2) + 2 * x * y + y.pow(2) + 1 x.pow(2) + 2 * x * y + y.pow(2) + 1