Merge pull request #2 from JakeRadMSFT/u/jakerad/generic-math

Take jakerad/generic_math changes without conflicts

Author: asmirnov82

src/Microsoft.Data.Analysis/AssemblyAttributes.cs

@@ -0,0 +1,7 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.Versioning;
+
+[assembly: RequiresPreviewFeatures]