@Test(groups = "1m")
public void testSumvsIntLinCombTest() {
Random rand = new Random();
for (int seed = 0; seed < 400; seed++) {
rand.setSeed(seed);
int n = 1 + rand.nextInt(6);
int min = -10 + rand.nextInt(20);
int max = min + rand.nextInt(20);
int[][] domains = DomainBuilder.buildFullDomains(n, min, max, rand, 1.0, false);
int[] coeffs = new int[n];
for (int i = 0; i < n; i++) {
coeffs[i] = -25 + rand.nextInt(50);
}
int lb = -50 + rand.nextInt(100);
int op = -1 + rand.nextInt(3);
Solver sum = sum(domains, coeffs, lb, op);
Solver intlincomb = intlincomb(domains, coeffs, lb, op);
sum.findAllSolutions();
intlincomb.findAllSolutions();
Assert.assertEquals(
sum.getMeasures().getSolutionCount(), intlincomb.getMeasures().getSolutionCount());
Assert.assertEquals(
sum.getMeasures().getNodeCount(), intlincomb.getMeasures().getNodeCount());
LoggerFactory.getLogger("test")
.info(
"({}) {}ms vs {}ms",
op,
sum.getMeasures().getTimeCount(),
intlincomb.getMeasures().getTimeCount());
}
}
@Test(groups = "10s")
public void testMax2() {
Random random = new Random();
for (int seed = 169; seed < 9999; seed++) {
random.setSeed(seed);
int[][] domains =
DomainBuilder.buildFullDomains(
3, 1, 15, random, random.nextDouble(), random.nextBoolean());
Solver ref = new Solver();
{
IntVar[] xs = new IntVar[3];
xs[0] = VariableFactory.enumerated("x", domains[0], ref);
xs[1] = VariableFactory.enumerated("y", domains[1], ref);
xs[2] = VariableFactory.enumerated("z", domains[2], ref);
maxref(ref, xs[0], xs[1], xs[2]);
// SearchMonitorFactory.log(ref, true, true);
ref.set(IntStrategyFactory.random_value(xs, seed));
}
Solver solver = new Solver();
{
IntVar[] xs = new IntVar[3];
xs[0] = VariableFactory.enumerated("x", domains[0], solver);
xs[1] = VariableFactory.enumerated("y", domains[1], solver);
xs[2] = VariableFactory.enumerated("z", domains[2], solver);
max(solver, xs[0], xs[1], xs[2]);
// SearchMonitorFactory.log(solver, true, true);
solver.set(IntStrategyFactory.random_value(xs, seed));
}
ref.findAllSolutions();
solver.findAllSolutions();
Assert.assertEquals(
solver.getMeasures().getSolutionCount(),
ref.getMeasures().getSolutionCount(),
"SOLUTIONS (" + seed + ")");
// BEWARE: MAX does not ensure AC, unlike reformulation; so nb of nodes can be different...
// Assert.assertTrue(solver.getMeasures().getNodeCount() <=
// ref.getMeasures().getNodeCount(), "NODES (" + seed + "): "
// + solver.getMeasures().getNodeCount() + " vs. " +
// ref.getMeasures().getNodeCount());
}
}
@Test(groups = "10s")
public void testMax1() {
Random random = new Random();
for (int seed = 1; seed < 9999; seed++) {
random.setSeed(seed);
int[][] domains = DomainBuilder.buildFullDomains(3, 1, 15);
Solver ref = new Solver();
{
IntVar[] xs = new IntVar[3];
xs[0] = VariableFactory.bounded("x", domains[0][0], domains[0][1], ref);
xs[1] = VariableFactory.bounded("y", domains[1][0], domains[1][1], ref);
xs[2] = VariableFactory.bounded("z", domains[2][0], domains[2][1], ref);
maxref(ref, xs[0], xs[1], xs[2]);
// SearchMonitorFactory.log(ref, true, true);
ref.set(IntStrategyFactory.random_bound(xs, seed));
}
Solver solver = new Solver();
{
IntVar[] xs = new IntVar[3];
xs[0] = VariableFactory.bounded("x", domains[0][0], domains[0][1], solver);
xs[1] = VariableFactory.bounded("y", domains[1][0], domains[1][1], solver);
xs[2] = VariableFactory.bounded("z", domains[1][0], domains[2][1], solver);
max(solver, xs[0], xs[1], xs[2]);
// SearchMonitorFactory.log(solver, true, true);
solver.set(IntStrategyFactory.random_bound(xs, seed));
}
ref.findAllSolutions();
solver.findAllSolutions();
Assert.assertEquals(
solver.getMeasures().getSolutionCount(),
ref.getMeasures().getSolutionCount(),
"SOLUTIONS (" + seed + ")");
Assert.assertTrue(
solver.getMeasures().getNodeCount() <= ref.getMeasures().getNodeCount(),
"NODES (" + seed + ")");
}
}