daily update on 20241226 by nitload youmu

内核源代码/StgSharp/Math/Linear/Matrix32.cs

@@ -52,8 +52,16 @@ namespace StgSharp.Math
         [FieldOffset( 0 )] internal Vec3 colum0;
         [FieldOffset( 4 * 4 )] internal Vec3 colum1;
 
+        public Matrix32()
+        {
+            Unsafe.SkipInit(out this);
+            isTransposed = false;
+        }
+
         internal Matrix32( Vector4 c0, Vector4 c1 )
         {
+            Unsafe.SkipInit(out this);
+            isTransposed = false;
             mat.colum0 = c0;
             mat.colum1 = c1;
         }
@@ -66,11 +74,8 @@ namespace StgSharp.Math
             float a20,
             float a21 )
         {
-            #if NET5_0_OR_GREATER
-            Unsafe.SkipInit( out colum0 );
-            Unsafe.SkipInit( out colum1 );
-            Unsafe.SkipInit( out transpose );
-            #endif
+            Unsafe.SkipInit(out this);
+            isTransposed = false;
             mat.colum0 = new Vector4( a00, a10, a20, 0 );
             mat.colum1 = new Vector4( a01, a11, a21, 0 );
         }
@@ -204,11 +209,11 @@ namespace StgSharp.Math
         }
 
         [MethodImpl( MethodImplOptions.AggressiveInlining )]
-        public static Matrix32 operator +( Matrix32 left, Matrix32 right )
+        public static unsafe Matrix32 operator +( Matrix32 left, Matrix32 right )
         {
-            return new Matrix32(
-                left.mat.colum0 + right.mat.colum0,
-                left.mat.colum1 + right.mat.colum1 );
+            Matrix32 ret = new Matrix32();
+            InternalIO.Intrinsic.add_mat_2(&left.mat, &right.mat, &ret.mat);
+            return ret;
         }
 
     }