New IO structure, unexpexted error in C code

源代码/StgSharp/Math/Scalar/Tan.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
     {
@@ -21,8 +17,8 @@ namespace StgSharp.Math
             float sin = (0.1570796327f * refer - 6.459640975e-4f * refer * refer2);
             float cos = (1 - 0.0123370055f * refer2 + 2.536695709e-5f * refer2 * refer2);
 
-            return ( sinData[a] * cos + cosData[a] * sin )
-                / ( cosData[a] * cos - sinData[a] * sin );
+            return (sinData[a] * cos + cosData[a] * sin)
+                / (cosData[a] * cos - sinData[a] * sin);
         }
     }
 }