public void MultivariateManipulations()
{
MultivariateSample S = new MultivariateSample(3);
Assert.IsTrue(S.Dimension == 3);
Assert.IsTrue(S.Count == 0);
S.Add(1.1, 1.2, 1.3);
S.Add(2.1, 2.2, 2.3);
Assert.IsTrue(S.Count == 2);
// check that an entry is there, remove it, check that it is not there
Assert.IsTrue(S.Contains(1.1, 1.2, 1.3));
Assert.IsTrue(S.Remove(1.1, 1.2, 1.3));
Assert.IsFalse(S.Contains(1.1, 1.2, 1.3));
// clear it and check that the count went to zero
S.Clear();
Assert.IsTrue(S.Count == 0);
}