From 23b2ba9950cb4fab33f0b53565ae762cfa2f7a45 Mon Sep 17 00:00:00 2001
From: Iaroslav <postovalovya@gmail.com>
Date: Mon, 29 Jun 2020 03:49:29 +0700
Subject: [PATCH] Optimize reverse division for FP INDArrayAlgebra

---
 .../src/main/kotlin/scientifik.kmath.nd4j/INDArrayAlgebra.kt     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kmath-nd4j/src/main/kotlin/scientifik.kmath.nd4j/INDArrayAlgebra.kt b/kmath-nd4j/src/main/kotlin/scientifik.kmath.nd4j/INDArrayAlgebra.kt
index 44d8f6611..f476af0d5 100644
--- a/kmath-nd4j/src/main/kotlin/scientifik.kmath.nd4j/INDArrayAlgebra.kt
+++ b/kmath-nd4j/src/main/kotlin/scientifik.kmath.nd4j/INDArrayAlgebra.kt
@@ -57,6 +57,7 @@ interface INDArrayRing<T, R, N> :
 interface INDArrayField<T, F, N> : NDField<T, F, N>,
     INDArrayRing<T, F, N> where F : Field<T>, N : INDArrayStructure<T>, N : MutableNDStructure<T> {
     override fun divide(a: N, b: N): N = a.ndArray.divi(b.ndArray).wrap()
+    override fun Number.div(b: N): N = b.ndArray.rdivi(this).wrap()
 }
 
 class RealINDArrayField(override val shape: IntArray, override val elementContext: Field<Double> = RealField) :