New IO structure, unexpexted error in C code

源代码/StgSharp/Math/Scalar/Sin.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace StgSharp.Math
+namespace StgSharp.Math
 {
     public static partial class Calc
     {
@@ -45,7 +41,7 @@ namespace StgSharp.Math
             float refer2 = refer * refer;
 
 
-            return sinData[a]*(1 - 0.0123370055f * refer2 + 2.536695709e-5f * refer2 * refer2 ) 
+            return sinData[a] * (1 - 0.0123370055f * refer2 + 2.536695709e-5f * refer2 * refer2)
                 + cosData[a] * (0.1570796327f * refer - 6.459640975e-4f * refer * refer2);
         }
     }