daily update on 20241226 by nitload youmu

内核源代码/StgSharp/Math/Linear/Matrix33.cs

@@ -52,8 +52,16 @@ namespace StgSharp.Math
         [FieldOffset( 1 * 4 * sizeof( float ) )] public Vec3 Colum1;
         [FieldOffset( 2 * 4 * sizeof( float ) )] public Vec3 Colum2;
 
+        public Matrix33()
+        {
+            Unsafe.SkipInit(out this);
+            isTransposed = false;
+        }
+
         internal Matrix33( Vector4 c0, Vector4 c1, Vector4 c2 )
         {
+            Unsafe.SkipInit(out this);
+            isTransposed = false;
             mat.colum0 = c0;
             mat.colum1 = c1;
             mat.colum2 = c2;
@@ -70,6 +78,8 @@ namespace StgSharp.Math
             float a21,
             float a22 )
         {
+            Unsafe.SkipInit(out this);
+            isTransposed = false;
             mat.colum0 = new Vector4( a00, a10, a20, 0 );
             mat.colum1 = new Vector4( a01, a11, a21, 0 );
             mat.colum2 = new Vector4( a02, a12, a22, 0 );
@@ -219,12 +229,11 @@ namespace StgSharp.Math
         }
 
         [MethodImpl( MethodImplOptions.AggressiveInlining )]
-        public static Matrix33 operator +( Matrix33 left, Matrix33 right )
+        public static unsafe Matrix33 operator +( Matrix33 left, Matrix33 right )
         {
-            return new Matrix33(
-                left.mat.colum0 + right.mat.colum0,
-                left.mat.colum1 + right.mat.colum1,
-                left.mat.colum2 + right.mat.colum2 );
+            Matrix33 ret = new Matrix33();
+            InternalIO.Intrinsic.add_mat_3(&left.mat, &right.mat, &ret.mat);
+            return ret;
         }
 
     }