public void testLazyAssignment () { Variable vars [] = { new Variable (2), new Variable (2), }; double[] probs = { 0.1, 10.3, 17, 0.5 }; TableFactor ptl = new TableFactor (vars, probs); AssignmentIterator it = ptl.assignmentIterator (); it.advance (); it.advance (); Assignment assn = it.assignment (); assertEquals (2, assn.size ()); assertEquals (1, assn.get (vars [0])); assertEquals (0, assn.get (vars [1])); }
public void testLazyAssignment () { Variable vars [] = { new Variable (2), new Variable (2), }; double[] probs = { 0.1, 10.3, 17, 0.5 }; TableFactor ptl = new TableFactor (vars, probs); AssignmentIterator it = ptl.assignmentIterator (); it.advance (); it.advance (); Assignment assn = it.assignment (); assertEquals (2, assn.size ()); assertEquals (1, assn.get (vars [0])); assertEquals (0, assn.get (vars [1])); }
public void testSum () { Variable vars [] = { new Variable (2), new Variable (2), }; double[] probs = { 0.1, 10.3, 17, 0.5 }; TableFactor ptl = new TableFactor (vars, probs); AssignmentIterator it = ptl.assignmentIterator (); double total = 0; while (it.hasNext ()) { total += ptl.value (it); it.advance (); } assertEquals (27.9, total, 0.01); }
public void testSum () { Variable vars [] = { new Variable (2), new Variable (2), }; double[] probs = { 0.1, 10.3, 17, 0.5 }; TableFactor ptl = new TableFactor (vars, probs); AssignmentIterator it = ptl.assignmentIterator (); double total = 0; while (it.hasNext ()) { total += ptl.value (it); it.advance (); } assertEquals (27.9, total, 0.01); }
public void testSparseMatrixN () { Variable x1 = new Variable (2); Variable x2 = new Variable (2); Variable alpha = new Variable (Variable.CONTINUOUS); Factor potts = new PottsTableFactor (x1, x2, alpha); Assignment alphAssn = new Assignment (alpha, 1.0); Factor tbl = potts.slice (alphAssn); System.out.println (tbl.dumpToString ()); int j = 0; double[] vals = new double[] { 0, -1, -1, 0 }; for (AssignmentIterator it = tbl.assignmentIterator (); it.hasNext ();) { assertEquals (vals[j++], tbl.logValue (it), 1e-5); it.advance (); } }
public void testSparseMatrixN () { Variable x1 = new Variable (2); Variable x2 = new Variable (2); Variable alpha = new Variable (Variable.CONTINUOUS); Factor potts = new PottsTableFactor (x1, x2, alpha); Assignment alphAssn = new Assignment (alpha, 1.0); Factor tbl = potts.slice (alphAssn); System.out.println (tbl.dumpToString ()); int j = 0; double[] vals = new double[] { 0, -1, -1, 0 }; for (AssignmentIterator it = tbl.assignmentIterator (); it.hasNext ();) { assertEquals (vals[j++], tbl.logValue (it), 1e-5); it.advance (); } }