@Test
public void testGetNumConfigs() {
Var v0 = getVar(0, 2);
Var v1 = getVar(1, 3);
Var v2 = getVar(2, 5);
VarSet vars = new VarSet();
vars.add(v0);
vars.add(v1);
vars.add(v2);
assertEquals(2 * 3 * 5, vars.calcNumConfigs());
}
@Test
public void testGetConfigArray1() {
Var v0 = getVar(0, 2);
Var v1 = getVar(1, 3);
Var v2 = getVar(2, 5);
VarSet vars1 = new VarSet();
vars1.add(v0);
vars1.add(v1);
vars1.add(v2);
VarSet vars2 = new VarSet();
vars2.add(v1);
vars2.add(v2);
int[] configs = vars2.getConfigArr(vars1);
System.out.println(Arrays.toString(configs));
assertEquals(2 * 3 * 5, configs.length);
Assert.assertArrayEquals(
new int[] {
0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13,
13, 14, 14
},
configs);
}
@Test
public void testGetConfigArray2Swapped() {
Var v0 = getVar(0, 2);
Var v1 = getVar(1, 3);
Var v2 = getVar(2, 5);
VarSet vars1 = new VarSet();
vars1.add(v0);
vars1.add(v1);
vars1.add(v2);
VarSet vars2 = new VarSet();
vars2.add(v0);
vars2.add(v2);
System.out.println(new DenseFactor(vars1));
// TODO: we can't loop over a particular configuration of vars1, only the config in which each
// (non-vars2) variable has state 0.
int[] configs = vars1.getConfigArr(vars2);
System.out.println(Arrays.toString(configs));
assertEquals(2 * 5, configs.length);
Assert.assertArrayEquals(new int[] {0, 1, 6, 7, 12, 13, 18, 19, 24, 25}, configs);
}