#53 Tests

Tools/Towel_Testing/Mathematics/Matrix.cs

@@ -1706,5 +1706,43 @@ namespace Towel_Testing.Mathematics
 		}
 
 		#endregion
+
+		#region Github Issue #53
+
+		public class MyFloat
+		{
+			private float value;
+			public MyFloat(float value)
+			{
+				this.value = value;
+			}
+
+			public static MyFloat operator *(MyFloat a, MyFloat b) => new MyFloat(a.value * b.value);
+			public static MyFloat operator +(MyFloat a, MyFloat b) => new MyFloat(a.value + b.value);
+			public static MyFloat operator /(MyFloat a, MyFloat b) => new MyFloat(a.value / b.value);
+			public static MyFloat operator -(MyFloat a, MyFloat b) => new MyFloat(a.value - b.value);
+			public static MyFloat Zero => new MyFloat(0);
+			public static implicit operator MyFloat(float a) => new MyFloat(a);
+			public static implicit operator float(MyFloat a) => a.value;
+			public static implicit operator MyFloat(int a) => new MyFloat(a); // this one is needed for Constant<T>.Zero
+		}
+
+		[TestMethod] public void GithubIssue53()
+		{
+			var a = new Matrix<MyFloat>(3, 5);
+			for (int i = 0; i < a.Rows; i++)
+				for (int j = 0; j < a.Columns; j++)
+					a[i, j] = 3;
+
+			var b = new Matrix<MyFloat>(5, 6);
+			for (int i = 0; i < b.Rows; i++)
+				for (int j = 0; j < b.Columns; j++)
+					b[i, j] = 5;
+
+			var c = a * b;
+			//Console.WriteLine(c);
+		}
+
+		#endregion
 	}
 }