Daily update on 20230204 by nitload youmu, pow func added

源代码/.Net/StgSharp/Data/Union4.cs

@@ -25,18 +25,6 @@ namespace StgSharp
         //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;
-        }
     }
 
 

源代码/.Net/StgSharp/Geometries/Circle.cs

@@ -1,5 +1,4 @@
-using StgSharp;
+using System;
-using System;
 using System.Collections.Generic;
 using System.Text;
 
@@ -17,15 +16,9 @@ namespace StgSharp
             get { return _referencePoint; }
         }
 
-        public float VecX
+        float IGeometry.ExpressionX => throw new NotImplementedException();
-        {
-            get { return _vecX; }
-        }
 
-        public float VecY
+        float IGeometry.ExpressionY => throw new NotImplementedException();
-        {
-            get { return _vecY; }
-        }
 
         ContainerNode<INode> INode.ID
         {

源代码/.Net/StgSharp/Geometries/ExpressionHandler.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StgSharp
+{
+    public delegate float ExpressionHandler
+        (
+        Counter<uint> tickCounter,
+        float beginRange,
+        float endRange
+        );
+}

源代码/.Net/StgSharp/Geometries/IGeometry.cs

@@ -14,12 +14,12 @@ namespace StgSharp
             get;
         }
 
-        public float VecX
+        internal float ExpressionX
         {
             get;
         }
 
-        public float VecY
+        internal float ExpressionY
         {
             get;
         }

源代码/.Net/StgSharp/Geometries/Line.cs

@@ -18,21 +18,17 @@ namespace StgSharp
             get { return _referencePoint; }
         }
 
-        public float VecX
+        
-        { 
-            get { return _vecX; }
-        }
-
-        public float VecY
-        {
-            get { return _vecY; }
-        }
 
         ContainerNode<INode> INode.ID
         {
             get { return _id; }
         }
 
+        float IGeometry.ExpressionX => throw new NotImplementedException();
+
+        float IGeometry.ExpressionY => throw new NotImplementedException();
+
         public Line( Point referencePoint, float vecX, float vecY)
         {
             _referencePoint = referencePoint;

源代码/.Net/StgSharp/Geometries/Triangle.cs

@@ -5,7 +5,7 @@ using System.Text;
 
 namespace StgSharp
 {
-    public class Triangle : IGeometry
+    public class Triangle 
     {
         internal ContainerNode<INode> _id;
 
@@ -29,10 +29,7 @@ namespace StgSharp
             get { return _referencePoint.Y; }
         }
 
-        ContainerNode<INode> INode.ID
+        
-        {
-            get { return _id; }
-        }
 
         public float SetArrayX(Counter<uint> tickCounter)
         {
@@ -44,16 +41,6 @@ namespace StgSharp
             return _setArrayYHandler.Invoke(tickCounter);
         }
 
-        void INode.setID<T>(ContainerNode<T> id)
+        
-        {
-            if (id == null)
-            {
-                _id = id as ContainerNode<INode>;
-            }
-            else
-            {
-                throw new ArgumentNullException("Cannot set id teice!");
-            }
-        }
     }
 }

源代码/.Net/StgSharp/Geometries/point.cs

@@ -47,7 +47,7 @@ namespace StgSharp
             }
             else
             {
-                throw new ArgumentNullException("Cannot set id teice!");
+                throw new ArgumentException("Cannot set id twice!");
             }
         }
     }

源代码/.Net/StgSharp/Math/ASin.cs

@@ -1,4 +1,5 @@
-
+//
+// 
 // some of the code is rewritten from the AMD code:
 // https://github.com/amd/aocl-libm-ose/blob/a43e092b03213eb0e129a1cc129900e6e4475778/src/ref/asinf.c
 

源代码/.Net/StgSharp/Math/GetBits32.cs

@@ -4,7 +4,22 @@ using System.Text;
 
 namespace StgSharp
 {
+
+
     public static unsafe partial class Math
     {
+
+        /// <summary>
+        /// Get the bits of a float number
+        /// </summary>
+        /// <param name="x">The given float number</param>
+        /// <returns></returns>
+        public static uint GetBits32(float x)
+        {
+            Union4 union = new Union4();
+            union.f = x;
+            return union.i;
+        }
+
     }
 }

源代码/.Net/StgSharp/Math/Log.cs

@@ -24,10 +24,6 @@ namespace StgSharp
             0.53062825106217f,  0.536493370514568f, 0.542324290825362f, 0.548121408509688f, 0.553885113226438f, 0.559615787935423f, 0.56531380905006f,  0.570979546585738f, 0.576613364303994f, 0.582215619852664f,
             0.587786664902119f, 0.593326845277734f, 0.598836501088704f, 0.60431596685333f,  0.609765571620894f, 0.615185639090233f, 0.62057648772511f,  0.625938430866495f, 0.631271776841858f, 0.636576829071551f,
             0.641853886172395f, 0.647103242058538f, 0.65232518603969f,  0.657520002916794f, 0.662687973075237f, 0.667829372575655f, 0.672944473242426f, 0.678033542749897f, 0.683096844706444f, 0.688134638736401f,
-
-
-
-
         };
 
         /// <summary>
@@ -41,7 +37,7 @@ namespace StgSharp
         {
             if (x<0)
             {
-                throw new ArgumentException();
+                throw new ArgumentOutOfRangeException();
             }
             uint input = *(uint*)&x;
 

源代码/.Net/StgSharp/Math/Pow.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StgSharp
+{ 
+    public static unsafe partial class Math
+    {
+        /// <summary>
+        /// calculate the value of x^y
+        /// </summary>
+        /// <param name="x"></param>
+        /// <param name="y"></param>
+        /// <returns>Returns the value of x^y</returns>
+        public static unsafe float Pow(float x, float y)
+        {
+            /* 
+             * x^y = E ^ ( log( x ) * y )
+             * Now define z = | log(x) * y | = m * n  
+             * and m is an integer, and 0.5 < |n| < 1
+             * then E ^ z = ( E ^ n ) ^ m
+             * 
+             * 
+             * As a float number can be expressed in (1+e)*(2^f)
+             * n = (1+e)/2
+             * m = 2 ^ (f + 1)
+             * 
+             */
+            float z, t;
+            if (x == 1 || y == 0)
+            {
+                return 1;
+            }
+            if (x==1&&y==0)
+            {
+                return 1.0f / 0;
+            }
+            z = StgSharp.Math.Log(x) * y;
+
+            bool sign = false;
+            if (z < 0)
+            {
+                sign = true;
+                z = -z;
+            }
+
+            if (z<0.5f)
+            {
+                t = 1.0f + z * (
+                    1.0f + z * (
+                    0.5f + z * (
+                    0.1666666667f + z * (
+                    0.0416666666667f + z *
+                    8.333333333e-3f))));
+            }
+            else
+            {
+                uint zBit = *(uint*)&z;
+                uint zBitAbs = zBit & 0b_0111_1111_1111_1111_1111_1111_1111_1111;
+                uint uintm = (zBitAbs >> 23);
+                int m = (*(int*)&uintm) - 126;
+
+
+                uint nBit = (zBitAbs & 0b_0000_0000_0111_1111_1111_1111_1111_1111)
+                    + 0b_0011_1111_0000_0000_0000_0000_0000_0000;
+                float n = *(float*)&nBit - 1;
+
+                t = 2.718281828f + n * (
+                    2.718281828f + n * (
+                    1.359140914f + n * (
+                    0.4530469714f + n * (
+                    0.1132617429f + n *
+                    0.02265234857f))));
+
+                for (int i = 0; i < m; i++)
+                {
+                    t = t * t;
+                }
+
+                
+            }
+            if (sign)
+            {
+                t = 1 / t;
+            }
+
+            return t;
+        }
+    }
+}

源代码/.Net/StgSharp/Math/Sqrt.cs

@@ -24,7 +24,16 @@ namespace StgSharp
              * 在进一步简化操作后，计算精度达到0.5%，速度约为.Net库函数的1.8倍
              */
 
-            /*
+
+            if (x < 0)
+            {
+                throw new ArgumentOutOfRangeException();
+            }
+            if (x == 0)
+            {
+                return 0;
+            }
+                /*
              * 提取指数位并减去指数位中的127
              * 由于平方根仅对正数有效
              * 故不考虑正负号

源代码/.Net/StgSharp/bin/Debug/netstandard2.1/StgSharp.xml

@@ -12,6 +12,13 @@
             <returns></returns>
             <exception cref="T:System.ArgumentException"></exception>
         </member>
+        <member name="M:StgSharp.Math.GetBits32(System.Single)">
+            <summary>
+            Get the bits of a float number
+            </summary>
+            <param name="x">The given float number</param>
+            <returns></returns>
+        </member>
         <member name="M:StgSharp.Math.Log(System.Single)">
             <summary>
             
@@ -21,5 +28,13 @@
             Returns the value of ln(x).
             </returns>
         </member>
+        <member name="M:StgSharp.Math.Pow(System.Single,System.Single)">
+            <summary>
+            calculate the value of x^y
+            </summary>
+            <param name="x"></param>
+            <param name="y"></param>
+            <returns>Returns the value of x^y</returns>
+        </member>
     </members>
 </doc>

源代码/.Net/StgSharp/obj/Debug/netstandard2.1/StgSharp.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-b7317d4b12ba4162c78ad3d204d71202d31826dd
+d6533ff9d6a5f9bebff84d6c130d7f9b4e85612a

源代码/.Net/StgSharp/obj/Debug/netstandard2.1/StgSharp.xml

@@ -12,6 +12,13 @@
             <returns></returns>
             <exception cref="T:System.ArgumentException"></exception>
         </member>
+        <member name="M:StgSharp.Math.GetBits32(System.Single)">
+            <summary>
+            Get the bits of a float number
+            </summary>
+            <param name="x">The given float number</param>
+            <returns></returns>
+        </member>
         <member name="M:StgSharp.Math.Log(System.Single)">
             <summary>
             
@@ -21,5 +28,13 @@
             Returns the value of ln(x).
             </returns>
         </member>
+        <member name="M:StgSharp.Math.Pow(System.Single,System.Single)">
+            <summary>
+            calculate the value of x^y
+            </summary>
+            <param name="x"></param>
+            <param name="y"></param>
+            <returns>Returns the value of x^y</returns>
+        </member>
     </members>
 </doc>

源代码/.Net/StgSharpDebug/Program.cs

@@ -12,12 +12,13 @@ internal class Program
         /**/
 
         /*
-        float test = StgSharp.Math.ASin(StgSharp.Math.Sqrt(3.0f) / 2);
+        float test = StgSharp.Math.Pow(4.0f,0.125f);
         Console.WriteLine(test);
         /**/
 
         /*
-        for (int wasd = 0; wasd < 100; wasd++)
+        // 测速
+        for (int cycle = 0; cycle < 100; cycle++)
         {
             float time = 1000000;
             float a = 114514;
@@ -25,7 +26,7 @@ internal class Program
             stopwatch.Start(); //  开始监视代码运行时间
             for (float i = 2; i < time; i++)
             {
-                a = StgSharp.Math.ASin(i/(time/2)-1);
+                a = StgSharp.Math.Pow(i, i);
             }
             stopwatch.Stop(); //  停止监视
             TimeSpan timespan = stopwatch.Elapsed; //  获取当前实例测量得出的总时间
@@ -39,7 +40,7 @@ internal class Program
             stopwatch1.Start();
             for (float i = 2; i < time2; i++)
             {
-                b = System.MathF.Asin(i / (time / 2) - 1);
+                b = System.MathF.Pow(i, i);
             }
             stopwatch1.Stop();
             timespan = stopwatch1.Elapsed;
@@ -49,13 +50,15 @@ internal class Program
         }
         /**/
 
-        /*
+
+        
+         //精度测试
         double accuracy = 0;
-        for (float i = -1f; i < 1f; i += 0.000001f)
+        for (float i = -10f; i < 2000f; i += 0.01f)
         {
             
-            double r1 = StgSharp.Math.ASin(i);
+            double r1 = StgSharp.Math.Pow(2,i);
-            double r2 = System.Math.Asin(i)*180/3.1415926;
+            double r2 = System.Math.Pow(2,i);
             double ac = ( System.Math.Max(r1,r2)- System.Math.Min(r1, r2) ) / r2;
             if (ac>accuracy)
             {
@@ -72,8 +75,5 @@ internal class Program
 
         
     }
-
-
-    
 }
 

源代码/.Net/StgSharpDebug/bin/Debug/net6.0/StgSharp.xml

@@ -12,6 +12,13 @@
             <returns></returns>
             <exception cref="T:System.ArgumentException"></exception>
         </member>
+        <member name="M:StgSharp.Math.GetBits32(System.Single)">
+            <summary>
+            Get the bits of a float number
+            </summary>
+            <param name="x">The given float number</param>
+            <returns></returns>
+        </member>
         <member name="M:StgSharp.Math.Log(System.Single)">
             <summary>
             
@@ -21,5 +28,13 @@
             Returns the value of ln(x).
             </returns>
         </member>
+        <member name="M:StgSharp.Math.Pow(System.Single,System.Single)">
+            <summary>
+            calculate the value of x^y
+            </summary>
+            <param name="x"></param>
+            <param name="y"></param>
+            <returns>Returns the value of x^y</returns>
+        </member>
     </members>
 </doc>