public static void main (String[] args) throws Throwable { TestSuite theSuite; if (args.length > 0) { theSuite = new TestSuite (); for (int i = 0; i < args.length; i++) { theSuite.addTest (new TestTableFactor (args[i])); } } else { theSuite = (TestSuite) suite (); } junit.textui.TestRunner.run (theSuite); }
public void testMarginalize () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; TableFactor ptl = new TableFactor (vars, new double[] { 1, 2, 3, 4}); TableFactor ptl2 = (TableFactor) ptl.marginalize (vars[1]); assertEquals ("FAILURE: Potential has too many vars.\n "+ptl2, 1, ptl2.varSet ().size ()); assertTrue ("FAILURE: Potential does not contain "+vars[1]+":\n "+ptl2, ptl2.varSet ().contains (vars[1])); double[] expected = new double[] { 4, 6 }; assertTrue ("FAILURE: Potential has incorrect values. Expected "+ArrayUtils.toString (expected)+"was "+ptl2, Maths.almostEquals (ptl2.toValueArray (), expected, 1e-5)); }
public void ignoreTestSerialization () throws IOException, ClassNotFoundException { Variable v1 = new Variable (2); Variable v2 = new Variable (3); Variable[] vars = { v1, v2 }; double[] vals = new double[]{ 2.0, 4.0, 6.0, 3, 5, 7 }; TableFactor ptl = new TableFactor (vars, vals); TableFactor ptl2 = (TableFactor) TestSerializable.cloneViaSerialization (ptl); Set varset1 = ptl.varSet(); Set varset2 = ptl2.varSet(); assertTrue (!varset1.contains (varset2)); // Variables deep-cloned // There's not way to get directly at the matrices...! comparePotentialValues (ptl, ptl2); TableFactor marg1 = (TableFactor) ptl.marginalize (v1); TableFactor marg2 = (TableFactor) ptl2.marginalize (ptl2.findVariable (v1.getLabel ())); comparePotentialValues (marg1, marg2); }
public void testMultiplyMultiplyBy () { Variable var = new Variable (4); double[] vals = new double[]{ 2.0, 4.0, 6.0, 8.0 }; double[] vals2 = new double [] { 0.5, 0.5, 0.5, 0.5 }; double[] vals3 = new double [] { 1, 2, 3, 4, }; TableFactor ans = new TableFactor (var, vals3); TableFactor ptl1 = new TableFactor (var, vals); TableFactor ptl2 = new TableFactor (var, vals2); Factor ptl3 = ptl1.multiply (ptl2); ptl1.multiplyBy (ptl2); assertTrue (ans.almostEquals (ptl1)); assertTrue (ans.almostEquals (ptl3)); }
System.out.println( "Should be false: " + nothingReordered.almostEquals( reOrderedToMisMatch ) ); assertTrue( nothingReordered.almostEquals( reOrderedToMatch ) ); assertFalse( nothingReordered.almostEquals( reOrderedToMisMatch ) );
public void testOneVarSlice () { double[] vals = { 0.0, 1.3862943611198906, 0.6931471805599453, 1.791759469228055 }; Variable v1 = new Variable (2); Variable v2 = new Variable (2); Variable[] vars = new Variable[]{v1, v2}; Factor ptl = new TableFactor (vars, vals); Assignment assn = new Assignment (v1, 0); TableFactor sliced = (TableFactor) ptl.slice (assn); TableFactor expected = new TableFactor (v2, new double[] { 1.0, 4.0 }); comparePotentialValues (sliced, expected); }
public void testEntropy () { Variable v1 = new Variable (2); TableFactor ptl = new TableFactor (v1, new double[] { 0.3, 0.7 }); double entropy = ptl.entropy (); assertEquals (0.61086, entropy, 1e-3); LogTableFactor logFactor = LogTableFactor.makeFromValues (v1, new double[] { 0.3, 0.7 }); double entropy2 = logFactor.entropy (); assertEquals (0.61086, entropy2, 1e-3); }
public void testMultiplyMultiplyBy () { Variable var = new Variable (4); double[] vals = new double[]{ 2.0, 4.0, 6.0, 8.0 }; double[] vals2 = new double [] { 0.5, 0.5, 0.5, 0.5 }; double[] vals3 = new double [] { 1, 2, 3, 4, }; TableFactor ans = new TableFactor (var, vals3); TableFactor ptl1 = new TableFactor (var, vals); TableFactor ptl2 = new TableFactor (var, vals2); Factor ptl3 = ptl1.multiply (ptl2); ptl1.multiplyBy (ptl2); assertTrue (ans.almostEquals (ptl1)); assertTrue (ans.almostEquals (ptl3)); }
System.out.println( "Should be false: " + nothingReordered.almostEquals( reOrderedToMisMatch ) ); assertTrue( nothingReordered.almostEquals( reOrderedToMatch ) ); assertFalse( nothingReordered.almostEquals( reOrderedToMisMatch ) );
public void testMultiVarSlice () { double[] vals = { 0.0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; Variable v1 = new Variable (2); Variable v2 = new Variable (2); Variable v3 = new Variable (2); Variable v4 = new Variable (2); Variable[] vars = new Variable[]{v1, v2, v3, v4}; Factor ptl = new TableFactor (vars, vals); System.out.println (ptl); Assignment assn = new Assignment (v4, 0); TableFactor sliced = (TableFactor) ptl.slice (assn); System.out.println (new TableFactor ((AbstractTableFactor) sliced)); TableFactor expected = new TableFactor (new Variable[] { v1,v2,v3 }, new double[] { 0, 2, 4, 6, 8, 10, 12, 14 }); comparePotentialValues (sliced, expected); }
public void testEntropy () { Variable v1 = new Variable (2); TableFactor ptl = new TableFactor (v1, new double[] { 0.3, 0.7 }); double entropy = ptl.entropy (); assertEquals (0.61086, entropy, 1e-3); LogTableFactor logFactor = LogTableFactor.makeFromValues (v1, new double[] { 0.3, 0.7 }); double entropy2 = logFactor.entropy (); assertEquals (0.61086, entropy2, 1e-3); }
public void testMarginalizeOut () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; TableFactor ptl = new TableFactor (vars, new double[] { 1, 2, 3, 4}); TableFactor ptl2 = (TableFactor) ptl.marginalizeOut (vars[0]); assertEquals ("FAILURE: Potential has too many vars.\n "+ptl2, 1, ptl2.varSet ().size ()); assertTrue ("FAILURE: Potential does not contain "+vars[1]+":\n "+ptl2, ptl2.varSet ().contains (vars[1])); double[] expected = new double[] { 4, 6 }; assertTrue ("FAILURE: Potential has incorrect values. Expected "+ArrayUtils.toString (expected)+"was "+ptl2, Maths.almostEquals (ptl2.toValueArray (), expected, 1e-5)); }
public void testTblTblPlusEquals () { Variable var = new Variable (4); double[] vals = new double[]{ 2.0, 4.0, 6.0, 8.0 }; double[] vals2 = new double [] { 0.25, 0.5, 0.75, 1.0 }; double[] vals3 = new double [] { 2.25, 4.5, 6.75, 9.0, }; TableFactor ans = new TableFactor (var, vals3); TableFactor ptl1 = new TableFactor (var, vals); TableFactor ptl2 = new TableFactor (var, vals2); ptl1.plusEquals (ptl2); assertTrue (ans.almostEquals (ptl1)); }
public static void main (String[] args) throws Throwable { TestSuite theSuite; if (args.length > 0) { theSuite = new TestSuite (); for (int i = 0; i < args.length; i++) { theSuite.addTest (new TestTableFactor (args[i])); } } else { theSuite = (TestSuite) suite (); } junit.textui.TestRunner.run (theSuite); }
public void ignoreTestSerialization () throws IOException, ClassNotFoundException { Variable v1 = new Variable (2); Variable v2 = new Variable (3); Variable[] vars = { v1, v2 }; double[] vals = new double[]{ 2.0, 4.0, 6.0, 3, 5, 7 }; TableFactor ptl = new TableFactor (vars, vals); TableFactor ptl2 = (TableFactor) TestSerializable.cloneViaSerialization (ptl); Set varset1 = ptl.varSet(); Set varset2 = ptl2.varSet(); assertTrue (!varset1.contains (varset2)); // Variables deep-cloned // There's not way to get directly at the matrices...! comparePotentialValues (ptl, ptl2); TableFactor marg1 = (TableFactor) ptl.marginalize (v1); TableFactor marg2 = (TableFactor) ptl2.marginalize (ptl2.findVariable (v1.getLabel ())); comparePotentialValues (marg1, marg2); }
public void testOneVarSlice () { double[] vals = { 0.0, 1.3862943611198906, 0.6931471805599453, 1.791759469228055 }; Variable v1 = new Variable (2); Variable v2 = new Variable (2); Variable[] vars = new Variable[]{v1, v2}; Factor ptl = new TableFactor (vars, vals); Assignment assn = new Assignment (v1, 0); TableFactor sliced = (TableFactor) ptl.slice (assn); TableFactor expected = new TableFactor (v2, new double[] { 1.0, 4.0 }); comparePotentialValues (sliced, expected); }
public void testLogSample () { Variable v = new Variable (2); double[] vals = new double[] { -30, 0 }; LogTableFactor ptl = LogTableFactor.makeFromLogValues (v, vals); int idx = ptl.sampleLocation (new Randoms (43)); assertEquals (1, idx); }
public void testMarginalizeOut () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; TableFactor ptl = new TableFactor (vars, new double[] { 1, 2, 3, 4}); TableFactor ptl2 = (TableFactor) ptl.marginalizeOut (vars[0]); assertEquals ("FAILURE: Potential has too many vars.\n "+ptl2, 1, ptl2.varSet ().size ()); assertTrue ("FAILURE: Potential does not contain "+vars[1]+":\n "+ptl2, ptl2.varSet ().contains (vars[1])); double[] expected = new double[] { 4, 6 }; assertTrue ("FAILURE: Potential has incorrect values. Expected "+ArrayUtils.toString (expected)+"was "+ptl2, Maths.almostEquals (ptl2.toValueArray (), expected, 1e-5)); }
public void testTblTblPlusEquals () { Variable var = new Variable (4); double[] vals = new double[]{ 2.0, 4.0, 6.0, 8.0 }; double[] vals2 = new double [] { 0.25, 0.5, 0.75, 1.0 }; double[] vals3 = new double [] { 2.25, 4.5, 6.75, 9.0, }; TableFactor ans = new TableFactor (var, vals3); TableFactor ptl1 = new TableFactor (var, vals); TableFactor ptl2 = new TableFactor (var, vals2); ptl1.plusEquals (ptl2); assertTrue (ans.almostEquals (ptl1)); }
public void testMultiVarSlice () { double[] vals = { 0.0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; Variable v1 = new Variable (2); Variable v2 = new Variable (2); Variable v3 = new Variable (2); Variable v4 = new Variable (2); Variable[] vars = new Variable[]{v1, v2, v3, v4}; Factor ptl = new TableFactor (vars, vals); System.out.println (ptl); Assignment assn = new Assignment (v4, 0); TableFactor sliced = (TableFactor) ptl.slice (assn); System.out.println (new TableFactor ((AbstractTableFactor) sliced)); TableFactor expected = new TableFactor (new Variable[] { v1,v2,v3 }, new double[] { 0, 2, 4, 6, 8, 10, 12, 14 }); comparePotentialValues (sliced, expected); }