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 TestLogTableFactor (args[i])); } } else { theSuite = (TestSuite) suite (); } junit.textui.TestRunner.run (theSuite); }
public void testLogValue () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; LogTableFactor ptl = LogTableFactor.makeFromValues (vars, new double[] { 1, 2, 3, 4 }); Assignment assn = new Assignment (vars, new int [vars.length]); assertEquals (0, ptl.logValue (assn), 1e-5); assertEquals (0, ptl.logValue (ptl.assignmentIterator()), 1e-5); assertEquals (0, ptl.logValue (0), 1e-5); assertEquals (1, ptl.value (assn), 1e-5); assertEquals (1, ptl.value (ptl.assignmentIterator()), 1e-5); assertEquals (1, ptl.value (0), 1e-5); LogTableFactor ptl2 = LogTableFactor.makeFromLogValues (vars, new double[] { 0, Math.log (2), Math.log (3), Math.log (4) }); Assignment assn2 = new Assignment (vars, new int [vars.length]); assertEquals (0, ptl2.logValue (assn2), 1e-5); assertEquals (0, ptl2.logValue (ptl2.assignmentIterator()), 1e-5); assertEquals (0, ptl2.logValue (0), 1e-5); assertEquals (1, ptl2.value (assn2), 1e-5); assertEquals (1, ptl2.value (ptl2.assignmentIterator()), 1e-5); assertEquals (1, ptl2.value (0), 1e-5); }
public void testRecenter () { Variable var = new Variable (4); double[] vals = new double[]{ 2.0, 4.0, 6.0, 8.0 }; LogTableFactor ltbl1 = LogTableFactor.makeFromValues (var, vals); ltbl1.recenter (); double[] expected = new double[] { Math.log (0.25), Math.log(0.5), Math.log (0.75), 0 }; LogTableFactor ans = LogTableFactor.makeFromLogValues (var, expected); assertTrue ("Error: expected "+ans.dumpToString ()+"but was "+ltbl1.dumpToString (), ans.almostEquals (ltbl1)); }
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 }; LogTableFactor ptl = LogTableFactor.makeFromLogValues (vars, vals); LogTableFactor ptl2 = (LogTableFactor) 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); LogTableFactor marg1 = (LogTableFactor) ptl.marginalize (v1); LogTableFactor marg2 = (LogTableFactor) ptl2.marginalize (ptl2.findVariable (v1.getLabel ())); comparePotentialValues (marg1, marg2); }
public void testExtractMaxLogSpace () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; LogTableFactor ptl = LogTableFactor.makeFromValues (vars, new double[]{1, 2, 3, 4}); LogTableFactor ptl2 = (LogTableFactor) ptl.extractMax (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[] { 3, 4 }; assertTrue ("FAILURE: Potential has incorrect values. Expected "+ArrayUtils.toString (expected)+"was "+ptl2, Maths.almostEquals (ptl2.toValueArray (), expected, 1e-5)); }
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 = LogTableFactor.makeFromLogValues(vars, vals); Assignment assn = new Assignment (v1, 0); LogTableFactor sliced = (LogTableFactor) ptl.slice (assn); LogTableFactor expected = LogTableFactor.makeFromValues (v2, new double[] { 1.0, 4.0 }); comparePotentialValues (sliced, expected); assertEquals (1, assn.varSet ().size ()); }
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 = LogTableFactor.makeFromValues(vars, vals); System.out.println (ptl); Assignment assn = new Assignment (v4, 0); LogTableFactor sliced = (LogTableFactor) ptl.slice (assn); LogTableFactor expected = LogTableFactor.makeFromValues (new Variable[] { v1, v2, v3 }, new double[] { 0, 2, 4, 6, 8, 10, 12, 14 }); comparePotentialValues (sliced, expected); } public void testSparseValueAndLogValue ()
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 = LogTableFactor.makeFromLogValues(vars, vals); Assignment assn = new Assignment (v1, 0); LogTableFactor sliced = (LogTableFactor) ptl.slice (assn); LogTableFactor expected = LogTableFactor.makeFromValues (v2, new double[] { 1.0, 4.0 }); comparePotentialValues (sliced, expected); assertEquals (1, assn.varSet ().size ()); }
public void testExtractMaxLogSpace () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; LogTableFactor ptl = LogTableFactor.makeFromValues (vars, new double[]{1, 2, 3, 4}); LogTableFactor ptl2 = (LogTableFactor) ptl.extractMax (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[] { 3, 4 }; 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 }; LogTableFactor ptl = LogTableFactor.makeFromLogValues (vars, vals); LogTableFactor ptl2 = (LogTableFactor) 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); LogTableFactor marg1 = (LogTableFactor) ptl.marginalize (v1); LogTableFactor marg2 = (LogTableFactor) ptl2.marginalize (ptl2.findVariable (v1.getLabel ())); comparePotentialValues (marg1, marg2); }
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 = LogTableFactor.makeFromValues(vars, vals); System.out.println (ptl); Assignment assn = new Assignment (v4, 0); LogTableFactor sliced = (LogTableFactor) ptl.slice (assn); LogTableFactor expected = LogTableFactor.makeFromValues (new Variable[] { v1, v2, v3 }, new double[] { 0, 2, 4, 6, 8, 10, 12, 14 }); comparePotentialValues (sliced, expected); } public void testSparseValueAndLogValue ()
public void testRecenter () { Variable var = new Variable (4); double[] vals = new double[]{ 2.0, 4.0, 6.0, 8.0 }; LogTableFactor ltbl1 = LogTableFactor.makeFromValues (var, vals); ltbl1.recenter (); double[] expected = new double[] { Math.log (0.25), Math.log(0.5), Math.log (0.75), 0 }; LogTableFactor ans = LogTableFactor.makeFromLogValues (var, expected); assertTrue ("Error: expected "+ans.dumpToString ()+"but was "+ltbl1.dumpToString (), ans.almostEquals (ltbl1)); }
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 TestLogTableFactor (args[i])); } } else { theSuite = (TestSuite) suite (); } junit.textui.TestRunner.run (theSuite); }
public void testLogValue () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; LogTableFactor ptl = LogTableFactor.makeFromValues (vars, new double[] { 1, 2, 3, 4 }); Assignment assn = new Assignment (vars, new int [vars.length]); assertEquals (0, ptl.logValue (assn), 1e-5); assertEquals (0, ptl.logValue (ptl.assignmentIterator()), 1e-5); assertEquals (0, ptl.logValue (0), 1e-5); assertEquals (1, ptl.value (assn), 1e-5); assertEquals (1, ptl.value (ptl.assignmentIterator()), 1e-5); assertEquals (1, ptl.value (0), 1e-5); LogTableFactor ptl2 = LogTableFactor.makeFromLogValues (vars, new double[] { 0, Math.log (2), Math.log (3), Math.log (4) }); Assignment assn2 = new Assignment (vars, new int [vars.length]); assertEquals (0, ptl2.logValue (assn2), 1e-5); assertEquals (0, ptl2.logValue (ptl2.assignmentIterator()), 1e-5); assertEquals (0, ptl2.logValue (0), 1e-5); assertEquals (1, ptl2.value (assn2), 1e-5); assertEquals (1, ptl2.value (ptl2.assignmentIterator()), 1e-5); assertEquals (1, ptl2.value (0), 1e-5); }
public void testTwoVarSlice () { double[] vals = { 0.0, 1, 2, 3, 4, 5, 6, 7 }; Variable v1 = new Variable (2); Variable v2 = new Variable (2); Variable v3 = new Variable (2); Variable[] vars = new Variable[]{v1, v2, v3}; Factor ptl = LogTableFactor.makeFromValues(vars, vals); Assignment assn = new Assignment (v3, 0); LogTableFactor sliced = (LogTableFactor) ptl.slice (assn); LogTableFactor expected = LogTableFactor.makeFromValues (new Variable[] { v1, v2 }, new double[] { 0, 2, 4, 6 }); comparePotentialValues (sliced, expected); }
public void testRecenter2 () { Variable var = new Variable (4); double[] vals = new double[]{ 0, 1.4, 1.4, 0 }; LogTableFactor ltbl1 = LogTableFactor.makeFromLogValues (var, vals); ltbl1.recenter (); double[] expected = new double[]{ -1.4, 0, 0, -1.4 }; LogTableFactor ans = LogTableFactor.makeFromLogValues (var, expected); assertTrue (!ltbl1.isNaN ()); assertTrue ("Error: expected "+ans.dumpToString ()+"but was "+ltbl1.dumpToString (), ans.almostEquals (ltbl1)); }
public void testEntropyLogSpace () { 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 ptl2 = LogTableFactor.makeFromValues (v1, new double[] { 0.3, 0.7 }); double entropy2 = ptl2.entropy (); assertEquals (0.61086, entropy2, 1e-3); }
public void testTwoVarSlice () { double[] vals = { 0.0, 1, 2, 3, 4, 5, 6, 7 }; Variable v1 = new Variable (2); Variable v2 = new Variable (2); Variable v3 = new Variable (2); Variable[] vars = new Variable[]{v1, v2, v3}; Factor ptl = LogTableFactor.makeFromValues(vars, vals); Assignment assn = new Assignment (v3, 0); LogTableFactor sliced = (LogTableFactor) ptl.slice (assn); LogTableFactor expected = LogTableFactor.makeFromValues (new Variable[] { v1, v2 }, new double[] { 0, 2, 4, 6 }); comparePotentialValues (sliced, expected); }
public void testRecenter2 () { Variable var = new Variable (4); double[] vals = new double[]{ 0, 1.4, 1.4, 0 }; LogTableFactor ltbl1 = LogTableFactor.makeFromLogValues (var, vals); ltbl1.recenter (); double[] expected = new double[]{ -1.4, 0, 0, -1.4 }; LogTableFactor ans = LogTableFactor.makeFromLogValues (var, expected); assertTrue (!ltbl1.isNaN ()); assertTrue ("Error: expected "+ans.dumpToString ()+"but was "+ltbl1.dumpToString (), ans.almostEquals (ltbl1)); }
public void testEntropyLogSpace () { 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 ptl2 = LogTableFactor.makeFromValues (v1, new double[] { 0.3, 0.7 }); double entropy2 = ptl2.entropy (); assertEquals (0.61086, entropy2, 1e-3); }