daily update on 20230813 by nitload youmu, weritting matrix algs

源代码/StgSharp/Control/IO/InternalIO.cs

@@ -0,0 +1,13 @@
+using StgSharp.Geometries;
+using System.Runtime.InteropServices;
+
+namespace StgSharp
+{
+    
+
+    internal static unsafe partial class internalIO
+    {
+
+
+    }
+}