daily update on 20241228 by nitload youmu, better dot in checking

内核源代码/StgSharp/Math/Linear/Matrix44.cs

@@ -208,7 +208,6 @@ namespace StgSharp.Math
                 fixed( ColumnSet4* source = &mat, target = &transpose ) {
                     InternalIO.Intrinsic.transpose44( source, target );
                 }
-
                 isTransposed = true;
             }
         }
@@ -238,12 +237,27 @@ namespace StgSharp.Math
                 mat.mat.colum2 * value, mat.mat.colum3 * value );
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public unsafe Matrix42 Multiple(in Matrix42 right)
+        {
+            InternalTranspose();
+            Matrix42 ans = new Matrix42();
+            fixed (ColumnSet4* lptr = &transpose)
+            fixed (Vector4* rptr = &right.mat.colum0)
+            {
+                InternalIO.Intrinsic.dot_42(lptr,rptr, &ans.mat.colum0);
+            }
+            return ans;
+        }
+
+
         [MethodImpl( MethodImplOptions.AggressiveInlining )]
         public static unsafe Matrix42 operator *(
             Matrix44 left,
             Matrix42 right )
         {
             left.InternalTranspose();
+
             return new Matrix42(
                 Vector4.Dot( left.transpose.colum0, right.mat.colum0 ),
                 Vector4.Dot( left.transpose.colum0, right.mat.colum1 ),
@@ -280,6 +294,7 @@ namespace StgSharp.Math
                 Vector4.Dot( left.transpose.colum3, right.mat.colum2 ) );
         }
 
+
         [MethodImpl( MethodImplOptions.AggressiveInlining )]
         public static Matrix44 operator *( Matrix44 left, Matrix44 right )
         {