@Test
public void test1NeqSolve() {
for (int seed = 0; seed < 10; seed++) {
m = new CPModel();
s = new CPSolver();
int k = 9, k1 = 7, k2 = 6;
IntegerVariable v0 = makeIntVar("v0", 0, 10);
IntegerVariable v1 = makeIntVar("v1", 0, 10);
IntegerVariable v2 = makeIntVar("v2", 0, 10);
IntegerVariable v3 = makeIntVar("v3", 0, 10);
m.addConstraint(distanceNEQ(v0, v1, k));
m.addConstraint(distanceNEQ(v1, v2, k1));
m.addConstraint(distanceNEQ(v2, v3, k2));
s.read(m);
s.setVarIntSelector(new RandomIntVarSelector(s, seed + 32));
s.setValIntSelector(new RandomIntValSelector(seed));
try {
s.propagate();
} catch (ContradictionException e) {
LOGGER.info(e.getMessage());
}
s.solveAll();
int nbNode = s.getNodeCount();
LOGGER.info("solutions : " + s.getNbSolutions() + " nbNode : " + nbNode);
assertEquals(s.getNbSolutions(), 12147);
}
}
@Test
public void test3BoundsSolve() {
for (int seed = 0; seed < 10; seed++) {
m = new CPModel();
s = new CPSolver();
int k = 9, k1 = 7, k2 = 6;
IntegerVariable v0 = makeIntVar("v0", 0, 10);
IntegerVariable v1 = makeIntVar("v1", 0, 10);
IntegerVariable v2 = makeIntVar("v2", 0, 10);
IntegerVariable v3 = makeIntVar("v3", 0, 10);
m.addVariables(Options.V_BOUND, v0, v1, v2, v3);
m.addConstraint(distanceEQ(v0, v1, k));
m.addConstraint(distanceEQ(v1, v2, k1));
m.addConstraint(distanceEQ(v2, v3, k2));
s.read(m);
s.setVarIntSelector(new RandomIntVarSelector(s, seed + 32));
s.setValIntSelector(new RandomIntValSelector(seed));
try {
s.propagate();
} catch (ContradictionException e) {
LOGGER.info(e.getMessage()); // To change body of catch statement use File | Settings | File
// Templates.
}
s.solveAll();
int nbNode = s.getNodeCount();
LOGGER.info("solutions : " + s.getNbSolutions() + " nbNode : " + nbNode);
assertEquals(s.getNbSolutions(), 4);
}
}
@Test
public void test3LTSolve() {
for (int seed = 0; seed < 10; seed++) {
m = new CPModel();
s = new CPSolver();
int k = 2;
IntegerVariable v0 = makeIntVar("v0", 0, 10);
IntegerVariable v1 = makeIntVar("v1", 0, 10);
m.addConstraint(distanceLT(v0, v1, k));
s.read(m);
s.setVarIntSelector(new RandomIntVarSelector(s, seed + 32));
s.setValIntSelector(new RandomIntValSelector(seed));
try {
s.propagate();
} catch (ContradictionException e) {
LOGGER.info(e.getMessage()); // To change body of catch statement use File | Settings | File
// Templates.
}
s.solveAll();
int nbNode = s.getNodeCount();
LOGGER.info("solutions : " + s.getNbSolutions() + " nbNode : " + nbNode);
assertEquals(s.getNbSolutions(), 31);
assertEquals(nbNodeFromRegulatModel(seed), nbNode);
}
}
private void checker() {
s.solveAll(); // checkSolution enbaled by assertion
// s.solve();
// if(Boolean.TRUE.equals(s.isFeasible())){
// do{
// Assert.assertTrue(s.checkSolution());
// }while(s.nextSolution());
// }
Assert.assertEquals("feasibility incoherence", pe.solver.isFeasible(), s.isFeasible());
Assert.assertEquals("nb sol incoherence", pe.solver.getNbSolutions(), s.getNbSolutions());
}
@Test
public void testDXYZSolve4() {
for (int seed = 0; seed < 10; seed++) {
m = new CPModel();
s = new CPSolver();
IntegerVariable v0 = makeIntVar("v0", 3, 6);
IntegerVariable v1 = makeIntVar("v1", -3, 4);
IntegerVariable v2 = makeIntVar("v2", 0, 5);
IntegerVariable v3 = makeIntVar("v3", 2, 5);
m.addConstraint(distanceGT(v0, v1, v2, 0));
m.addConstraint(distanceGT(v0, v2, v3, 0));
s.read(m);
s.setVarIntSelector(new RandomIntVarSelector(s, seed + 32));
s.setValIntSelector(new RandomIntValSelector(seed));
s.solveAll();
LOGGER.info("nbsol " + s.getNbSolutions());
assertEquals(getNbSolByDecomp(2), s.getNbSolutions());
}
}
@Test
public void test2() {
CPSolver s = new CPSolver();
RealVar alpha = s.createRealVal("alpha", -5.5 * Math.PI, -1.5 * Math.PI);
RealExp exp = new RealCos(s, alpha);
s.post(s.makeEquation(exp, s.cst(1.0)));
boolean first = false;
s.setFirstSolution(first);
s.generateSearchStrategy();
s.addGoal(new AssignInterval(new CyclicRealVarSelector(s), new RealIncreasingDomain()));
s.launch();
assertTrue(s.getNbSolutions() >= 2);
}
@Test
public void testDXYZSolve1() {
for (int seed = 0; seed < 10; seed++) {
m = new CPModel();
s = new CPSolver();
IntegerVariable v0 = makeIntVar("v0", 0, 5);
IntegerVariable v1 = makeIntVar("v1", 0, 5);
IntegerVariable v2 = makeIntVar("v2", 0, 5);
m.addConstraint(distanceEQ(v0, v1, v2, 0));
s.read(m);
s.setVarIntSelector(new RandomIntVarSelector(s, seed + 32));
s.setValIntSelector(new RandomIntValSelector(seed));
s.solveAll();
assertEquals(36, s.getNbSolutions());
}
}
@Test
public void test1() {
CPSolver s = new CPSolver();
RealVar alpha = s.createRealVal("alpha", -Math.PI, Math.PI);
RealExp exp = new RealMinus(s, new RealCos(s, alpha), new RealSin(s, alpha));
SConstraint c = s.makeEquation(exp, s.cst(0.0));
LOGGER.info("c = " + c.pretty());
s.post(s.makeEquation(exp, s.cst(0.0)));
boolean first = false;
s.setFirstSolution(first);
s.generateSearchStrategy();
s.addGoal(new AssignInterval(new CyclicRealVarSelector(s), new RealIncreasingDomain()));
s.launch();
assertTrue("Nb sols", s.getNbSolutions() >= 2);
assertTrue("Precision", Math.abs(Math.cos(alpha.getInf()) - Math.sin(alpha.getInf())) < 1e-8);
}
@Test
public void test2bis() {
CPModel m = new CPModel();
RealVariable alpha = makeRealVar("alpha", -5.5 * Math.PI, -1.5 * Math.PI);
m.addVariable(alpha);
m.addConstraint(eq(cos(alpha), 1));
CPSolver s = new CPSolver();
s.read(m);
boolean first = false;
s.setFirstSolution(first);
s.generateSearchStrategy();
s.addGoal(new AssignInterval(new CyclicRealVarSelector(s), new RealIncreasingDomain()));
s.launch();
assertTrue(s.getNbSolutions() >= 2);
}
@Test
public void test1bis() {
CPModel m = new CPModel();
RealVariable alpha = makeRealVar("alpha", -Math.PI, Math.PI);
Constraint exp = eq(cos(alpha), sin(alpha));
m.addConstraint(exp);
CPSolver s = new CPSolver();
s.read(m);
LOGGER.info("eq = " + s.getCstr(exp).pretty());
boolean first = false;
s.setFirstSolution(first);
s.generateSearchStrategy();
s.addGoal(new AssignInterval(new CyclicRealVarSelector(s), new RealIncreasingDomain()));
s.launch();
assertTrue(s.getNbSolutions() >= 2);
assertTrue(
Math.abs(Math.cos(s.getVar(alpha).getInf()) - Math.sin(s.getVar(alpha).getInf())) < 1e-8);
}