import cc.mallet.grmm.inference.BruteForceInferencer; //导入依赖的package包/类
public void testSimpleModel ()
{
  FactorGraph fg1 = new FactorGraph (vars);
  fg1.addFactor (pA);
  fg1.addFactor (pB);
  fg1.addFactor (fC);

  DirectedModel dm = new DirectedModel (vars);
  dm.addFactor (pA);
  dm.addFactor (pB);
  dm.addFactor (pC);

  BruteForceInferencer inf = new BruteForceInferencer ();
  DiscreteFactor joint1 = (DiscreteFactor) inf.joint (fg1);
  DiscreteFactor joint2 = (DiscreteFactor) inf.joint (dm);

  comparePotentials (joint1, joint2);
}