daily update on 20230713 by nitload youmu, linkedlistbug fixed

源代码/StgSharp/Math/Scalar/Exp.cs

@@ -39,6 +39,10 @@
             }
             else
             {
+                /*
+                 * define z =  n * 2 ^ m
+                 * n is between 0 and 0.5
+                 */
                 uint zBit = *(uint*)&z;
                 uint zBitAbs = zBit & 0b_0111_1111_1111_1111_1111_1111_1111_1111;
                 uint uintm = (zBitAbs >> 23);

源代码/StgSharp/Math/Scalar/Log.cs

@@ -34,15 +34,15 @@ namespace StgSharp.Math
             }
             uint input = *(uint*)&x;
 
-            uint f = input;
+            int f = (int)input;
             f >>= 23;
             f -= 127;
             input <<= 9;
             input >>= 9;
             input += 0b_0011_1111_1000_0000_0000_0000_0000_0000;
             float result = *(float*)&input;
-            int order = (int)(result * 100) - 100;
-
+            uint order = (uint)(result * 100) - 100;
+            
             float cache = (result) / (1f + 0.01f * order) - 1;
             result = cache * -0.25f + 0.3333333333333f;
             result = result * cache - 0.5f;

源代码/StgSharp/Math/Scalar/Pow.cs

@@ -29,7 +29,7 @@
             }
             if (x == 1 && y == 0)
             {
-                return 1.0f / 0;
+                return float.PositiveInfinity;
             }
             z = Calc.Log(x) * y;