public void TestConjugate()
{
UnitQuaternion original = new UnitQuaternion(2.0, 4.0, 7.0, 10.0);
UnitQuaternion conjugate = original.Conjugate();
Assert.AreEqual(2.0 / 13.0, conjugate.W);
Assert.AreEqual(-4.0 / 13.0, conjugate.X);
Assert.AreEqual(-7.0 / 13.0, conjugate.Y);
Assert.AreEqual(-10.0 / 13.0, conjugate.Z);
}