From 3d879a766bd1fd4030ae6a16c850f2184f2fd15d Mon Sep 17 00:00:00 2001
From: Iaroslav Postovalov <postovalovya@gmail.com>
Date: Mon, 7 Dec 2020 02:19:50 +0700
Subject: [PATCH] Add missing KDoc comment

---
 .../commonMain/kotlin/kscience/kmath/operations/Quaternion.kt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kmath-core/src/commonMain/kotlin/kscience/kmath/operations/Quaternion.kt b/kmath-core/src/commonMain/kotlin/kscience/kmath/operations/Quaternion.kt
index b070f1be3..0e586a27c 100644
--- a/kmath-core/src/commonMain/kotlin/kscience/kmath/operations/Quaternion.kt
+++ b/kmath-core/src/commonMain/kotlin/kscience/kmath/operations/Quaternion.kt
@@ -213,6 +213,10 @@ public data class Quaternion(val w: Double, val x: Double, val y: Double, val z:
     public override fun unwrap(): Quaternion = this
     public override fun Quaternion.wrap(): Quaternion = this
     public override fun compareTo(other: Quaternion): Int = r.compareTo(other.r)
+
+    /**
+     * Returns a string representation of this quaternion.
+     */
     public override fun toString(): String = "($w + $x * i + $y * j + $z * k)"
 
     public companion object : MemorySpec<Quaternion> {