@Test
public void estimateDensity(){

	ContinuousDistribution distribution = new GaussianDistribution(5d, Math.pow(1.5d, 2d));
	assertEquals(0.00759732d, DistributionUtil.probability(distribution, 1d), 1e-8);
	assertEquals(0.10934005d, DistributionUtil.probability(distribution, 3d), 1e-8);
	assertEquals(0.26596152d, DistributionUtil.probability(distribution, 5d), 1e-8);
}