From 1a615c503d4fd337474d761485ecdc285d681c83 Mon Sep 17 00:00:00 2001
From: Alexander Nozik <altavir@gmail.com>
Date: Fri, 14 May 2021 09:20:49 +0300
Subject: [PATCH] re-apply bigint fix

---
 .../space/kscience/kmath/operations/algebraExtensions.kt    | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kmath-core/src/commonMain/kotlin/space/kscience/kmath/operations/algebraExtensions.kt b/kmath-core/src/commonMain/kotlin/space/kscience/kmath/operations/algebraExtensions.kt
index 9691c9d17..830c504f3 100644
--- a/kmath-core/src/commonMain/kotlin/space/kscience/kmath/operations/algebraExtensions.kt
+++ b/kmath-core/src/commonMain/kotlin/space/kscience/kmath/operations/algebraExtensions.kt
@@ -108,9 +108,9 @@ public fun <T, S> Sequence<T>.averageWith(space: S): T where S : Ring<T>, S : Sc
  * @author Evgeniy Zhelenskiy
  */
 public fun <T> Ring<T>.power(arg: T, power: UInt): T = when {
-    this == zero && power > 0U -> zero
-    this == one -> arg
-    this == -one -> powWithoutOptimization(arg, power % 2U)
+    arg == zero && power > 0U -> zero
+    arg == one -> arg
+    arg == -one -> powWithoutOptimization(arg, power % 2U)
     else -> powWithoutOptimization(arg, power)
 }