public void InvertedForwardLhsUpTest()
        {
            Vector expected = -lhsU;
            Vector actual   = OrthogonalAxis.LhsUp(lhsR, -lhsF);

            Assert.AreEqual(expected, actual);
        }
        public void LhsUpTest()
        {
            Vector expected = lhsU;
            Vector actual   = OrthogonalAxis.LhsUp(lhsR, lhsF);

            Assert.AreEqual(expected, actual);
        }