New IO structure, unexpexted error in C code

源代码/StgSharp/Math/Linear/Vector.Det.cs

@@ -1,15 +1,11 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace StgSharp.Math
+namespace StgSharp.Math
 {
     public static unsafe partial class Vector
     {
 
         public static float Det(matrix2x2 array)
         {
-            return Cross(array.row1,array.row2);
+            return Cross(array.row1, array.row2);
         }
 
         public static unsafe float Det(matrix3x3 array)
@@ -29,7 +25,7 @@ namespace StgSharp.Math
                 *(p + 6), *(p + 7)
                 );
 
-            return 
+            return
                 *p * Det(matrix1)
                 - *(p + 1) * Det(matrix2)
                 + *(p + 2) * Det(matrix3)