public void TestToString()
        {
            IntersectionMatrix i = new IntersectionMatrix();
            i.Set("012*TF012");
            Assert.AreEqual("012*TF012", i.ToString());

            IntersectionMatrix c = new IntersectionMatrix(i);
            Assert.AreEqual("012*TF012", c.ToString());
        }
        public void TestTranspose()
        {
            IntersectionMatrix x = new IntersectionMatrix("012*TF012");

            IntersectionMatrix i = new IntersectionMatrix(x);
            IntersectionMatrix j = i.Transpose();
            Assert.AreSame(i, j);

            Assert.AreEqual("0*01T12F2", i.ToString());

            Assert.AreEqual("012*TF012", x.ToString());
        }