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Moved sums out of Space

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Alexander Nozik 2019-02-06 18:18:10 +03:00
parent f8f7aa2e44
commit c0bdacecb3
2 changed files with 7 additions and 3 deletions
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3
kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/Algebra.kt
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@ -33,9 +33,6 @@ interface Space<T> {
operator fun T.times(k: Number) = multiply(this, k.toDouble()) operator fun T.times(k: Number) = multiply(this, k.toDouble())
operator fun T.div(k: Number) = multiply(this, 1.0 / k.toDouble()) operator fun T.div(k: Number) = multiply(this, 1.0 / k.toDouble())
operator fun Number.times(b: T) = b * this operator fun Number.times(b: T) = b * this
fun Iterable<T>.sum(): T = fold(zero) { left, right -> add(left,right) }
fun Sequence<T>.sum(): T = fold(zero) { left, right -> add(left, right) }
} }
/** /**

7
kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/AlgebraExtensions.kt Normal file
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@ -0,0 +1,7 @@
package scientifik.kmath.operations
import scientifik.kmath.structures.Buffer
import scientifik.kmath.structures.asSequence
fun <T> Space<T>.sum(data : Iterable<T>): T = data.fold(zero) { left, right -> add(left,right) }
fun <T> Space<T>.sum(data : Sequence<T>): T = data.fold(zero) { left, right -> add(left, right) }