Daily update on 20230505 by nitload youmu, confuse on OpenGL

源代码/StgSharp/Math/Linear/vec2d.cs

@@ -90,6 +90,10 @@ namespace StgSharp.Math
             return new vec2d(vec.X/x, vec.Y/x);
         }
 
+        public static implicit operator float[](vec2d vec)
+        {
+            return new float[2] {vec.X,vec.Y };
+        }
         
     }
 }

源代码/StgSharp/Math/Linear/vec3d.cs

@@ -1,4 +1,5 @@
-using System;
+using StgSharp.Optimization;
+using System;
 using System.Collections.Generic;
 using System.Data.Common;
 using System.Runtime.InteropServices;
@@ -6,7 +7,7 @@ using System.Text;
 
 namespace StgSharp.Math
 {
-    [StructLayout(LayoutKind.Explicit)]
+    [StructLayout(LayoutKind.Explicit,Size =12,Pack =16)]
     public struct vec3d : IEquatable<vec3d>
     {
         [FieldOffset(0)]
@@ -129,5 +130,20 @@ namespace StgSharp.Math
                 vec.Z / x
                 );
         }
+
+        public static implicit operator float[](vec3d vec)
+        {
+            return new float[3] { vec.X, vec.Y, vec.Y };
+        }
+
+        public static implicit operator m128(vec3d vec)
+        {
+            return new m128() 
+            {
+                float0 = vec.X,
+                float1 = vec.Y,
+                float2 = vec.Z,
+            };
+        }
     }
 }

源代码/StgSharp/Math/Linear/vec4d.cs

@@ -138,7 +138,10 @@ namespace StgSharp.Math
             return new  vec4d(vec.X / x, vec.Y / x, vec.Z / x, vec.W / x);
         }
 
-
+        public static implicit operator float[](vec4d vec)
+        {
+            return new float[] { vec.X, vec.Y, vec.Z, vec.W };
+        }
 
 
     }

源代码/StgSharp/Math/Scalar/Sqrt.cs

@@ -6,7 +6,6 @@ namespace StgSharp.Math
 {
     public static partial class Calc
     {
-        private static m128 sqrtCache;
 
         public static unsafe float Sqrt(float x)
         {
@@ -21,7 +20,7 @@ namespace StgSharp.Math
 
             if (x < 0)
             {
-                throw new ArgumentOutOfRangeException();
+                throw new ArgumentOutOfRangeException("Input is smaller than zero!");
             }
             if (x == 0)
             {
@@ -71,18 +70,6 @@ namespace StgSharp.Math
             float result = *(float*)&e;
             result = (result + x / result) / 2;
             return (result + x / result) / 2;
-            /**/
-            /*
-            fixed (m128* p = &sqrtCache)
-            {
-                sqrtCache.float0 = x;
-                return (SSE.Sqrtss(p)).float0;
-            }
-            */
         }
-
-        [DllImport("xmmintrin.h",EntryPoint = "_mm_sqrt_ss")]
-        public static extern m128 Sqrtss(m128 a);
-
     }
 }