From b3a4342c77d66082f35cfb5eda57174feffc73f3 Mon Sep 17 00:00:00 2001
From: Oliver Booth <me@olivr.me>
Date: Thu, 21 Apr 2022 12:04:17 +0100
Subject: [PATCH] [ci skip] Document ArithmeticException (#15)

---
 X10D/src/DoubleExtensions/DoubleExtensions.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/X10D/src/DoubleExtensions/DoubleExtensions.cs b/X10D/src/DoubleExtensions/DoubleExtensions.cs
index d130389..97713fa 100644
--- a/X10D/src/DoubleExtensions/DoubleExtensions.cs
+++ b/X10D/src/DoubleExtensions/DoubleExtensions.cs
@@ -1,4 +1,4 @@
-using System.Diagnostics.Contracts;
+using System.Diagnostics.Contracts;
 using System.Runtime.CompilerServices;
 
 namespace X10D;
@@ -154,6 +154,7 @@ public static class DoubleExtensions
     ///         </item>
     ///     </list>
     /// </returns>
+    /// <exception cref="ArithmeticException"><paramref name="value" /> is equal to <see cref="double.NaN" />.</exception>
     [Pure]
     [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static int Sign(this double value)