arcsin(x) added

源代码/.Net/StgSharpDebug/Program.cs

@@ -11,21 +11,21 @@ internal class Program
         Console.WriteLine(cc/2);
         /**/
 
-        
         /*
-        Console.WriteLine(StgSharp.Math.Sin(1.06f));
+        float test = StgSharp.Math.ASin(StgSharp.Math.Sqrt(3.0f) / 2);
+        Console.WriteLine(test);
         /**/
 
         /*
         for (int wasd = 0; wasd < 100; wasd++)
         {
             float time = 1000000;
-            double a = 114514;
+            float a = 114514;
             System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
             stopwatch.Start(); //  开始监视代码运行时间
             for (float i = 2; i < time; i++)
             {
-                a = StgSharp.Math.Tan(i);
+                a = StgSharp.Math.ASin(i/(time/2)-1);
             }
             stopwatch.Stop(); //  停止监视
             TimeSpan timespan = stopwatch.Elapsed; //  获取当前实例测量得出的总时间
@@ -37,9 +37,9 @@ internal class Program
             double b = 114514;
             double time2 = time;
             stopwatch1.Start();
-            for (double i = 2; i < time2; i++)
+            for (float i = 2; i < time2; i++)
             {
-                b = System.Math.Tan(i);
+                b = System.MathF.Asin(i / (time / 2) - 1);
             }
             stopwatch1.Stop();
             timespan = stopwatch1.Elapsed;
@@ -49,12 +49,13 @@ internal class Program
         }
         /**/
 
-        
+        /*
         double accuracy = 0;
-        for (float i = 1f; i < 4000000; i += 1f)
+        for (float i = -1f; i < 1f; i += 0.000001f)
         {
-            double r1 = StgSharp.Math.Sin(i);
-            double r2 = System.Math.Sin(i *  ( 2 * System.Math.PI) / 360);
+            
+            double r1 = StgSharp.Math.ASin(i);
+            double r2 = System.Math.Asin(i)*180/3.1415926;
             double ac = ( System.Math.Max(r1,r2)- System.Math.Min(r1, r2) ) / r2;
             if (ac>accuracy)
             {