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Rename and refactor MstAlgebra (ex-MSTAlgebra) (and its subclasses), MstExpression (ex-MSTExpression)

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Iaroslav 2020-06-26 21:02:22 +07:00
parent 0ee1d31571
commit d962ab4d11
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4 changed files with 78 additions and 79 deletions
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55
kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MSTExpression.kt
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@ -1,55 +0,0 @@
package scientifik.kmath.ast
import scientifik.kmath.expressions.Expression
import scientifik.kmath.expressions.FunctionalExpressionField
import scientifik.kmath.expressions.FunctionalExpressionRing
import scientifik.kmath.expressions.FunctionalExpressionSpace
import scientifik.kmath.operations.*
/**
* The expression evaluates MST on-flight. Should be much faster than functional expression, but slower than ASM-generated expressions.
*/
class MSTExpression<T>(val algebra: Algebra<T>, val mst: MST) : Expression<T> {
/**
* Substitute algebra raw value
*/
private inner class InnerAlgebra(val arguments: Map<String, T>) : NumericAlgebra<T>{
override fun symbol(value: String): T = arguments[value] ?: algebra.symbol(value)
override fun unaryOperation(operation: String, arg: T): T = algebra.unaryOperation(operation, arg)
override fun binaryOperation(operation: String, left: T, right: T): T =algebra.binaryOperation(operation, left, right)
override fun number(value: Number): T = if(algebra is NumericAlgebra){
algebra.number(value)
} else{
error("Numeric nodes are not supported by $this")
}
}
override fun invoke(arguments: Map<String, T>): T = InnerAlgebra(arguments).evaluate(mst)
}
inline fun <reified T : Any, A : Algebra<T>, E : Algebra<MST>> A.mst(
mstAlgebra: E,
block: E.() -> MST
): MSTExpression<T> = MSTExpression(this, mstAlgebra.block())
inline fun <reified T : Any> Space<T>.mstInSpace(block: MSTSpace.() -> MST): MSTExpression<T> =
MSTExpression(this, MSTSpace.block())
inline fun <reified T : Any> Ring<T>.mstInRing(block: MSTRing.() -> MST): MSTExpression<T> =
MSTExpression(this, MSTRing.block())
inline fun <reified T : Any> Field<T>.mstInField(block: MSTField.() -> MST): MSTExpression<T> =
MSTExpression(this, MSTField.block())
inline fun <reified T: Any, A : Space<T>> FunctionalExpressionSpace<T, A>.mstInSpace(block: MSTSpace.() -> MST): MSTExpression<T> =
algebra.mstInSpace(block)
inline fun <reified T: Any, A : Ring<T>> FunctionalExpressionRing<T, A>.mstInRing(block: MSTRing.() -> MST): MSTExpression<T> =
algebra.mstInRing(block)
inline fun <reified T: Any, A : Field<T>> FunctionalExpressionField<T, A>.mstInField(block: MSTField.() -> MST): MSTExpression<T> =
algebra.mstInField(block)

41
kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MSTAlgebra.kt → kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MstAlgebra.kt
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@ -2,7 +2,7 @@ package scientifik.kmath.ast
import scientifik.kmath.operations.*
object MSTAlgebra : NumericAlgebra<MST> {
object MstAlgebra : NumericAlgebra<MST> {
override fun number(value: Number): MST = MST.Numeric(value)
override fun symbol(value: String): MST = MST.Symbolic(value)
@ -14,12 +14,11 @@ object MSTAlgebra : NumericAlgebra<MST> {
MST.Binary(operation, left, right)
}
object MSTSpace : Space<MST>, NumericAlgebra<MST> {
object MstSpace : Space<MST>, NumericAlgebra<MST> {
override val zero: MST = number(0.0)
override fun number(value: Number): MST = MST.Numeric(value)
override fun symbol(value: String): MST = MST.Symbolic(value)
override fun number(value: Number): MST = MstAlgebra.number(value)
override fun symbol(value: String): MST = MstAlgebra.symbol(value)
override fun add(a: MST, b: MST): MST =
binaryOperation(SpaceOperations.PLUS_OPERATION, a, b)
@ -28,46 +27,46 @@ object MSTSpace : Space<MST>, NumericAlgebra<MST> {
binaryOperation(RingOperations.TIMES_OPERATION, a, number(k))
override fun binaryOperation(operation: String, left: MST, right: MST): MST =
MSTAlgebra.binaryOperation(operation, left, right)
MstAlgebra.binaryOperation(operation, left, right)
override fun unaryOperation(operation: String, arg: MST): MST = MSTAlgebra.unaryOperation(operation, arg)
override fun unaryOperation(operation: String, arg: MST): MST = MstAlgebra.unaryOperation(operation, arg)
}
object MSTRing : Ring<MST>, NumericAlgebra<MST> {
override val zero: MST = MSTSpace.number(0.0)
object MstRing : Ring<MST>, NumericAlgebra<MST> {
override val zero: MST = number(0.0)
override val one: MST = number(1.0)
override fun number(value: Number): MST = MST.Numeric(value)
override fun symbol(value: String): MST = MST.Symbolic(value)
override fun number(value: Number): MST = MstAlgebra.number(value)
override fun symbol(value: String): MST = MstAlgebra.symbol(value)
override fun add(a: MST, b: MST): MST = binaryOperation(SpaceOperations.PLUS_OPERATION, a, b)
override fun multiply(a: MST, k: Number): MST =
binaryOperation(RingOperations.TIMES_OPERATION, a, MSTSpace.number(k))
binaryOperation(RingOperations.TIMES_OPERATION, a, MstSpace.number(k))
override fun multiply(a: MST, b: MST): MST = binaryOperation(RingOperations.TIMES_OPERATION, a, b)
override fun binaryOperation(operation: String, left: MST, right: MST): MST =
MSTAlgebra.binaryOperation(operation, left, right)
MstAlgebra.binaryOperation(operation, left, right)
override fun unaryOperation(operation: String, arg: MST): MST = MSTAlgebra.unaryOperation(operation, arg)
override fun unaryOperation(operation: String, arg: MST): MST = MstAlgebra.unaryOperation(operation, arg)
}
object MSTField : Field<MST> {
override val zero: MST = MSTSpace.number(0.0)
object MstField : Field<MST> {
override val zero: MST = number(0.0)
override val one: MST = number(1.0)
override fun symbol(value: String): MST = MST.Symbolic(value)
override fun number(value: Number): MST = MST.Numeric(value)
override fun symbol(value: String): MST = MstAlgebra.symbol(value)
override fun number(value: Number): MST = MstAlgebra.number(value)
override fun add(a: MST, b: MST): MST = binaryOperation(SpaceOperations.PLUS_OPERATION, a, b)
override fun multiply(a: MST, k: Number): MST =
binaryOperation(RingOperations.TIMES_OPERATION, a, MSTSpace.number(k))
binaryOperation(RingOperations.TIMES_OPERATION, a, MstSpace.number(k))
override fun multiply(a: MST, b: MST): MST = binaryOperation(RingOperations.TIMES_OPERATION, a, b)
override fun divide(a: MST, b: MST): MST = binaryOperation(FieldOperations.DIV_OPERATION, a, b)
override fun binaryOperation(operation: String, left: MST, right: MST): MST =
MSTAlgebra.binaryOperation(operation, left, right)
MstAlgebra.binaryOperation(operation, left, right)
override fun unaryOperation(operation: String, arg: MST): MST = MSTAlgebra.unaryOperation(operation, arg)
override fun unaryOperation(operation: String, arg: MST): MST = MstAlgebra.unaryOperation(operation, arg)
}

55
kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MstExpression.kt Normal file
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@ -0,0 +1,55 @@
package scientifik.kmath.ast
import scientifik.kmath.expressions.Expression
import scientifik.kmath.expressions.FunctionalExpressionField
import scientifik.kmath.expressions.FunctionalExpressionRing
import scientifik.kmath.expressions.FunctionalExpressionSpace
import scientifik.kmath.operations.*
/**
* The expression evaluates MST on-flight. Should be much faster than functional expression, but slower than ASM-generated expressions.
*/
class MstExpression<T>(val algebra: Algebra<T>, val mst: MST) : Expression<T> {
/**
* Substitute algebra raw value
*/
private inner class InnerAlgebra(val arguments: Map<String, T>) : NumericAlgebra<T> {
override fun symbol(value: String): T = arguments[value] ?: algebra.symbol(value)
override fun unaryOperation(operation: String, arg: T): T = algebra.unaryOperation(operation, arg)
override fun binaryOperation(operation: String, left: T, right: T): T =
algebra.binaryOperation(operation, left, right)
override fun number(value: Number): T = if (algebra is NumericAlgebra)
algebra.number(value)
else
error("Numeric nodes are not supported by $this")
}
override fun invoke(arguments: Map<String, T>): T = InnerAlgebra(arguments).evaluate(mst)
}
inline fun <reified T : Any, A : Algebra<T>, E : Algebra<MST>> A.mst(
mstAlgebra: E,
block: E.() -> MST
): MstExpression<T> = MstExpression(this, mstAlgebra.block())
inline fun <reified T : Any> Space<T>.mstInSpace(block: MstSpace.() -> MST): MstExpression<T> =
MstExpression(this, MstSpace.block())
inline fun <reified T : Any> Ring<T>.mstInRing(block: MstRing.() -> MST): MstExpression<T> =
MstExpression(this, MstRing.block())
inline fun <reified T : Any> Field<T>.mstInField(block: MstField.() -> MST): MstExpression<T> =
MstExpression(this, MstField.block())
inline fun <reified T : Any, A : Space<T>> FunctionalExpressionSpace<T, A>.mstInSpace(block: MstSpace.() -> MST): MstExpression<T> =
algebra.mstInSpace(block)
inline fun <reified T : Any, A : Ring<T>> FunctionalExpressionRing<T, A>.mstInRing(block: MstRing.() -> MST): MstExpression<T> =
algebra.mstInRing(block)
inline fun <reified T : Any, A : Field<T>> FunctionalExpressionField<T, A>.mstInField(block: MstField.() -> MST): MstExpression<T> =
algebra.mstInField(block)

6
kmath-ast/src/jvmMain/kotlin/scientifik/kmath/asm/asm.kt
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@ -6,7 +6,7 @@ import scientifik.kmath.asm.internal.buildExpectationStack
import scientifik.kmath.asm.internal.buildName
import scientifik.kmath.asm.internal.tryInvokeSpecific
import scientifik.kmath.ast.MST
import scientifik.kmath.ast.MSTExpression
import scientifik.kmath.ast.MstExpression
import scientifik.kmath.expressions.Expression
import scientifik.kmath.operations.Algebra
import scientifik.kmath.operations.NumericAlgebra
@ -80,6 +80,6 @@ fun <T : Any> MST.compileWith(type: KClass<T>, algebra: Algebra<T>): Expression<
inline fun <reified T : Any> Algebra<T>.expression(mst: MST): Expression<T> = mst.compileWith(T::class, this)
/**
* Optimize performance of an [MSTExpression] using ASM codegen
* Optimize performance of an [MstExpression] using ASM codegen
*/
inline fun <reified T : Any> MSTExpression<T>.compile(): Expression<T> = mst.compileWith(T::class, algebra)
inline fun <reified T : Any> MstExpression<T>.compile(): Expression<T> = mst.compileWith(T::class, algebra)