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)); }
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)); }
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 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 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 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 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 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 testExp () { Variable var = new Variable (4); double[] vals = new double[] {2.0, 4.0, 6.0, 8.0}; double[] vals3 = new double [] { 4.0, 16.0, 36.0, 64.0 }; TableFactor ans = new TableFactor (var, vals3); TableFactor ptl1 = new TableFactor (var, vals); ptl1.exponentiate (2.0); assertTrue ("Error: expected "+ans.dumpToString ()+" but was "+ptl1.dumpToString (), ptl1.almostEquals (ans)); }
public void testPlusEquals () { Variable var = new Variable (4); double[] vals = new double[]{ 2.0, 4.0, 6.0, 8.0 }; TableFactor factor = new TableFactor (var, vals); factor.plusEquals (0.1); double[] expected = new double[] { 2.1, 4.1, 6.1, 8.1 }; TableFactor ans = new TableFactor (var, expected); assertTrue ("Error: expected "+ans.dumpToString ()+" but was "+factor.dumpToString (), factor.almostEquals (ans)); }
public void testPlusEquals () { Variable var = new Variable (4); double[] vals = new double[]{ 2.0, 4.0, 6.0, 8.0 }; TableFactor factor = new TableFactor (var, vals); factor.plusEquals (0.1); double[] expected = new double[] { 2.1, 4.1, 6.1, 8.1 }; TableFactor ans = new TableFactor (var, expected); assertTrue ("Error: expected "+ans.dumpToString ()+" but was "+factor.dumpToString (), factor.almostEquals (ans)); }
private void comparePotentialValues (TableFactor ptl, TableFactor ptl2) { AssignmentIterator it1 = ptl.assignmentIterator (); AssignmentIterator it2 = ptl2.assignmentIterator (); while (it1.hasNext ()) { assertTrue (ptl.value (it1) == ptl.value (it2)); it1.advance (); it2.advance (); } }
private void comparePotentialValues (TableFactor ptl, TableFactor ptl2) { AssignmentIterator it1 = ptl.assignmentIterator (); AssignmentIterator it2 = ptl2.assignmentIterator (); while (it1.hasNext ()) { assertTrue (ptl.value (it1) == ptl.value (it2)); it1.advance (); it2.advance (); } }
public void testExp () { Variable var = new Variable (4); double[] vals = new double[] {2.0, 4.0, 6.0, 8.0}; double[] vals3 = new double [] { 4.0, 16.0, 36.0, 64.0 }; TableFactor ans = new TableFactor (var, vals3); TableFactor ptl1 = new TableFactor (var, vals); ptl1.exponentiate (2.0); assertTrue ("Error: expected "+ans.dumpToString ()+" but was "+ptl1.dumpToString (), ptl1.almostEquals (ans)); }
public void testSparseMarginalize () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; int[] szs = { 2, 2 }; int[] idxs1 = new int[] { 0, 1, 3 }; double[] vals1 = new double[]{ 2.0, 4.0, 8.0 }; TableFactor ptl1 = new TableFactor (vars); ptl1.setValues (new SparseMatrixn (szs, idxs1, vals1)); TableFactor ans = new TableFactor (vars[0], new double[] { 6, 8 }); Factor ptl2 = ptl1.marginalize (vars[0]); assertTrue ("Tast failed! Expected: "+ans+" Actual: "+ptl2+" Orig: "+ptl1, ans.almostEquals (ptl2)); }
public void testSparseMarginalize () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; int[] szs = { 2, 2 }; int[] idxs1 = new int[] { 0, 1, 3 }; double[] vals1 = new double[]{ 2.0, 4.0, 8.0 }; TableFactor ptl1 = new TableFactor (vars); ptl1.setValues (new SparseMatrixn (szs, idxs1, vals1)); TableFactor ans = new TableFactor (vars[0], new double[] { 6, 8 }); Factor ptl2 = ptl1.marginalize (vars[0]); assertTrue ("Tast failed! Expected: "+ans+" Actual: "+ptl2+" Orig: "+ptl1, ans.almostEquals (ptl2)); }
public void testSparseExtractMax () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; int[] szs = { 2, 2 }; int[] idxs1 = new int[] { 0, 1, 3 }; double[] vals1 = new double[]{ 2.0, 4.0, 8.0 }; TableFactor ptl1 = new TableFactor (vars); ptl1.setValues (new SparseMatrixn (szs, idxs1, vals1)); TableFactor ans = new TableFactor (vars[0], new double[] { 4, 8 }); Factor ptl2 = ptl1.extractMax (vars[0]); assertTrue ("Tast failed! Expected: "+ans+" Actual: "+ptl2+ "Orig: "+ptl1, ans.almostEquals (ptl2)); }
public void testSparseExtractMax () { Variable[] vars = new Variable[] { new Variable (2), new Variable (2) }; int[] szs = { 2, 2 }; int[] idxs1 = new int[] { 0, 1, 3 }; double[] vals1 = new double[]{ 2.0, 4.0, 8.0 }; TableFactor ptl1 = new TableFactor (vars); ptl1.setValues (new SparseMatrixn (szs, idxs1, vals1)); TableFactor ans = new TableFactor (vars[0], new double[] { 4, 8 }); Factor ptl2 = ptl1.extractMax (vars[0]); assertTrue ("Tast failed! Expected: "+ans+" Actual: "+ptl2+ "Orig: "+ptl1, ans.almostEquals (ptl2)); }
public void testLogMultiVarSlice () { 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.dumpToString ()); 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 }); assertTrue ("Test failed. Expected: "+expected.dumpToString ()+"\nActual: "+sliced.dumpToString (), expected.almostEquals (sliced)); }
public void testLogMultiVarSlice () { 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.dumpToString ()); 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 }); assertTrue ("Test failed. Expected: "+expected.dumpToString ()+"\nActual: "+sliced.dumpToString (), expected.almostEquals (sliced)); }