@SuppressWarnings("StatementWithEmptyBody")
private void updateBounds() throws ContradictionException {
while (x.updateLowerBound(y.getLB() + cste, aCause)
| y.updateLowerBound(x.getLB() - cste, aCause)) ;
while (x.updateUpperBound(y.getUB() + cste, aCause)
| y.updateUpperBound(x.getUB() - cste, aCause)) ;
}
@Override
public void propagate(int evtmask) throws ContradictionException {
int remainingCapacity = capacity.getUB();
int maxPower = 0;
for (int i = 0; i < n; i++) {
remainingCapacity -= weigth[i] * vars[i].getLB();
maxPower += energy[i] * vars[i].getLB();
}
power.updateLowerBound(maxPower, this);
if (remainingCapacity < 0) {
fails();
} else {
int idx;
for (int i = 0; i < n; i++) {
assert remainingCapacity >= 0;
idx = order[i];
if (vars[idx].getUB() - vars[idx].getLB() > 0) {
int delta = weigth[idx] * (vars[idx].getUB() - vars[idx].getLB());
if (delta <= remainingCapacity) {
maxPower += energy[idx] * (vars[idx].getUB() - vars[idx].getLB());
remainingCapacity -= delta;
if (remainingCapacity == 0) {
power.updateUpperBound(maxPower, this);
return;
}
} else {
int deltaPow = (int) Math.ceil((double) remainingCapacity * ratio[idx]);
power.updateUpperBound(maxPower + deltaPow, this);
return;
}
}
}
}
}
@Override
public void propagate(int evtmask) throws ContradictionException {
int min = 0;
int max = 0;
ISet nodes = g.getPotentialNodes();
for (int i = nodes.getFirstElement(); i >= 0; i = nodes.getNextElement()) {
if (g.getMandSuccOrNeighOf(i).contain(i)) {
min++;
max++;
} else if (g.getPotSuccOrNeighOf(i).contain(i)) {
max++;
}
}
k.updateLowerBound(min, aCause);
k.updateUpperBound(max, aCause);
if (min == max) {
setPassive();
} else if (k.isInstantiated()) {
if (k.getValue() == max) {
for (int i = nodes.getFirstElement(); i >= 0; i = nodes.getNextElement()) {
if (g.getPotSuccOrNeighOf(i).contain(i)) {
g.enforceArc(i, i, aCause);
}
}
setPassive();
} else if (k.getValue() == min) {
for (int i = nodes.getFirstElement(); i >= 0; i = nodes.getNextElement()) {
if (!g.getMandSuccOrNeighOf(i).contain(i)) {
g.removeArc(i, i, aCause);
}
}
setPassive();
}
}
}
@Override
public void propagate(int evtmask) throws ContradictionException {
for (int i = 0; i < n; i++) {
IntVar intVar = intVars[i];
RealVar realVar = realVars[i];
realVar.updateBounds(
(double) intVar.getLB() - epsilon, (double) intVar.getUB() + epsilon, aCause);
intVar.updateLowerBound((int) Math.ceil(realVar.getLB() - epsilon), aCause);
intVar.updateUpperBound((int) Math.floor(realVar.getUB() + epsilon), aCause);
if (intVar.hasEnumeratedDomain()) {
realVar.updateBounds(
(double) intVar.getLB() - epsilon, (double) intVar.getUB() + epsilon, aCause);
}
}
}
/** In case of a EQ, due to a modification of the upper bound of v0 */
public void filterOnSup(IntVar v0, IntVar v1) throws ContradictionException {
if (v1.hasEnumeratedDomain()) {
int initval;
if (v0.getUB() - cste > v1.getLB()) {
initval = v1.nextValue(v0.getUB() - cste - 1);
} else {
initval = v1.getLB();
}
int val = initval;
do {
if (!v0.contains(val - cste) && !v0.contains(val + cste)) {
v1.removeValue(val, this);
}
val = v1.nextValue(val);
} while (val <= v1.getUB()
&& val > initval); // todo : pourquoi besoin du deuxieme currentElement ?
} else {
v1.updateUpperBound(v0.getUB() + cste, this);
}
}
@Override
public void propagate(int evtmask) throws ContradictionException {
for (int j = set.getKernelFirst(); j != SetVar.END; j = set.getKernelNext()) {
min.updateUpperBound(get(j), this);
}
int minVal = Integer.MAX_VALUE;
int lb = min.getLB();
for (int j = set.getEnvelopeFirst(); j != SetVar.END; j = set.getEnvelopeNext()) {
int k = get(j);
if (k < lb) {
set.removeFromEnvelope(j, this);
} else {
if (minVal > k) {
minVal = k;
}
}
}
if (notEmpty || set.getKernelSize() > 0) {
min.updateLowerBound(minVal, this);
}
}