public void EpsilonTest()
{
double x = 0.5;
double expected = 0.00000000000000011102230246251565;
double actual = Special.Epslon(x);
Assert.AreEqual(expected, actual);
x = 0.0;
expected = 0.0;
actual = Special.Epslon(x);
Assert.AreEqual(expected, actual);
x = 1.0;
expected = 0.00000000000000022204460492503131;
actual = Special.Epslon(x);
Assert.AreEqual(expected, actual);
}