d, decimal actual );
Assert.AreEqual( decimal expected, decimal actual, string message );
Assert.AreEqual( decimal expected, decimal actual, string message,
                 params object[] parms );

Assert.AreEqual( float expected, float actual, float tolerance );
Assert.AreEqual( float expected, float actual, float tolerance,
                 string message );
Assert.AreEqual( float expected, float actual, float tolerance,
                 string message, params object[] parms );

Assert.AreEqual( double 