arcsin(x) added

2023-01-26 01:45:38 +08:00
parent 05869ac0ae
commit f75fcacc0d
36 changed files with 212 additions and 12 deletions
@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace StgSharp
+{
+
+    //对4字节空间的联合体的C#实现
+    [StructLayout(LayoutKind.Explicit, Size = 4)]
+    public struct Union4
+    {
+        [FieldOffset(0)]
+        public byte b0;
+        [FieldOffset(1)]
+        public byte b1;
+        [FieldOffset(2)]
+        public byte b2;
+        [FieldOffset(3)]
+        public byte b3;
+        //得到对应的int值
+        [FieldOffset(0)]
+        public uint i;
+        //得到对应的float值
+        [FieldOffset(0)]
+        public float f;
+
+
+        public Union4(float x, uint y)
+        {
+            b0 = 0;
+            b1 = 0;
+            b2 = 0;
+            b3 = 0;
+            i = 0;
+            f = x;
+            y = i;
+        }
+    }
+
+
+    
+}