daily update on 2024.03.18 by itload youmu

源代码/StgSharp/Math/Scalar/Sqrt.cs

@@ -1,16 +1,40 @@
-using System;
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="Sqrt.cs"
+//     Project: StgSharp
+//     AuthorGroup: Nitload Space
+//     Copyright (c) Nitload Space. All rights reserved.
+//     
+//     Permission is hereby granted, free of charge, to any person 
+//     obtaining a copy of this software and associated documentation 
+//     files (the “Software”), to deal in the Software without restriction, 
+//     including without limitation the rights to use, copy, modify, merge,
+//     publish, distribute, sublicense, and/or sell copies of the Software, 
+//     and to permit persons to whom the Software is furnished to do so, 
+//     subject to the following conditions:
+//     
+//     The above copyright notice and 
+//     this permission notice shall be included in all copies 
+//     or substantial portions of the Software.
+//     
+//     THE SOFTWARE IS PROVIDED “AS IS”, 
+//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
+//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+using System;
 using System.Runtime.CompilerServices;
 
 namespace StgSharp.Math
 {
     public static partial class Scaler
     {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static float Sqrt(float x)
-        {
-            return MathF.Sqrt(x);
-            /**/
-        }
 
         public static unsafe float SeedSqrt(float x)
         {
@@ -73,8 +97,15 @@ namespace StgSharp.Math
             e += f;
 
             float result = *(float*)&e;
-            result = (result + x / result) / 2;
-            return (result + x / result) / 2;
+            result = (result + (x / result)) / 2;
+            return (result + (x / result)) / 2;
         }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static float Sqrt(float x)
+        {
+            return MathF.Sqrt(x);
+            /**/
+        }
+
     }
 }