daily update on 20230716 by nitload youmu, another bug in linked list

源代码/StgSharp/Logic/LinkedList.cs

@@ -109,14 +109,20 @@ namespace StgSharp
 
         internal LinkedListNode<T> Find(T value)
         {
-            foreach (LinkedListNode<T> node in this)
+            LinkedListNode<T> enumerator = this._hook;
+            do
             {
-                if (node._value.Equals(value))
-                {
-                    return node;
-                }
+                enumerator = enumerator._next;
+                Console.WriteLine(enumerator.Value.ToString());
+            } while (!enumerator.Value.Equals(value)
+            || enumerator == _hook);
+
+            if (enumerator == _hook)
+            {
+                throw new Exception();
             }
-            throw new Exception("Value not found in this LinkedList");
+
+            return enumerator;
         }
 
         public void Clear()

源代码/StgSharp/Math/Scalar/Sin.cs

@@ -1,7 +1,11 @@
-namespace StgSharp.Math
+using System.Net.NetworkInformation;
+
+namespace StgSharp.Math
 {
     public static partial class Calc
     {
+        public const float Pi = 3.1415926f;
+
         private static readonly float[] sinData =
             {
             0f, 0.15643446239373f,  0.309016989278255f, 0.453990492577218f, 0.587785243621462f,