private static int compareUpperLower(ContinuousRealInterval a, ContinuousRealInterval b) {
int ul;
if (!a.boundUpper()) ul = 1;
else if (!b.boundLower()) ul = 1;
else ul = OWLRealUtils.compare(a.getUpper(), b.getLower());
return ul;
}
private static int compareLowerLower(ContinuousRealInterval a, ContinuousRealInterval other) {
int ll;
if (!a.boundLower()) {
if (!other.boundLower()) ll = 0;
else ll = -1;
} else {
if (!other.boundLower()) ll = 1;
else {
ll = OWLRealUtils.compare(a.getLower(), other.getLower());
if (ll == 0) {
if (a.inclusiveLower()) {
if (!other.inclusiveLower()) ll = -1;
} else if (other.inclusiveLower()) ll = 1;
}
}
}
return ll;
}