*/
public void testUpDown() {
CamelDistribution cd = getDistrib(new CamelDistributionFactory());
upDown(cd);
NegativeTriangularDistribution nd =
getDistrib(new NegativeTriangularDistributionFactory());
upDown(nd);
TriangularDistribution td = getDistrib(new TriangularDistributionFactory());
upDown(td);