From ce4d4bfb1a75cc0e2dc30d69d81f23dd7811b556 Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Thu, 21 Dec 2017 09:33:19 +1100
Subject: [PATCH] Update Colorful and add Pow benchmark

---
 tests/ImageSharp.Benchmarks/General/Pow.cs    | 40 +++++++++++++++++++
 .../ImageSharp.Benchmarks.csproj              |  2 +-
 2 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 tests/ImageSharp.Benchmarks/General/Pow.cs

diff --git a/tests/ImageSharp.Benchmarks/General/Pow.cs b/tests/ImageSharp.Benchmarks/General/Pow.cs
new file mode 100644
index 0000000000..325bd9d20e
--- /dev/null
+++ b/tests/ImageSharp.Benchmarks/General/Pow.cs
@@ -0,0 +1,40 @@
+using System;
+using BenchmarkDotNet.Attributes;
+
+namespace SixLabors.ImageSharp.Benchmarks.General
+{
+    public class Pow
+    {
+        [Params(-1.333F, 1.333F)]
+        public float X { get; set; }
+
+
+        [Benchmark(Baseline = true, Description = "Math.Pow 2")]
+        public float MathPow()
+        {
+            float x = this.X;
+            return (float)Math.Pow(x, 2);
+        }
+
+        [Benchmark(Description = "Pow x2")]
+        public float PowMult()
+        {
+            float x = this.X;
+            return x * x;
+        }
+
+        [Benchmark(Description = "Math.Pow 3")]
+        public float MathPow3()
+        {
+            float x = this.X;
+            return (float)Math.Pow(x, 3);
+        }
+
+        [Benchmark(Description = "Pow x3")]
+        public float PowMult3()
+        {
+            float x = this.X;
+            return x * x * x;
+        }
+    }
+}
diff --git a/tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj b/tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj
index 417e849be1..bf546c91b1 100644
--- a/tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj
+++ b/tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj
@@ -15,7 +15,7 @@
     <Compile Include="..\ImageSharp.Tests\TestUtilities\TestEnvironment.cs" Link="Tests\TestEnvironment.cs" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Colourful" Version="1.1.2" />
+    <PackageReference Include="Colourful" Version="1.2.1" />
     <PackageReference Include="System.Numerics.Vectors" Version="4.4.0" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)'=='net461'">