Move IsPowerOf2 to Exts.

2013-06-08 11:46:44 +12:00
parent da8202a15e
commit cd268c11ee
2 changed files with 8 additions and 11 deletions
--- a/OpenRA.FileFormats/Exts.cs
+++ b/OpenRA.FileFormats/Exts.cs
@@ -137,6 +137,11 @@ namespace OpenRA
 			return v;
 		}

+		public static bool IsPowerOf2(int v)
+		{
+			return (v & (v - 1)) == 0;
+		}
+
 		public static Size NextPowerOf2(this Size s) { return new Size(NextPowerOf2(s.Width), NextPowerOf2(s.Height)); }

 		public static string JoinWith<T>(this IEnumerable<T> ts, string j)