protected final void compute() {
if (!f.isDefined() || !g.isDefined() || !ageo.isDefined() || !bgeo.isDefined()) {
n.setUndefined();
return;
}
// Integral[f(x) - g(x), a, b] = Integral[f(x), a, b] - Integral[g(x), a, b]
n.setValue(intF.getValue() - intG.getValue());
}
protected final void compute() {
if (!(f.isDefined() && ageo.isDefined() && bgeo.isDefined())) g.setUndefined();
// check if f has changed
if (!hasEqualExpressions(f, g)) {
g.set(f);
}
double ad = a.getDouble();
double bd = b.getDouble();
if (ad > bd) {
g.setUndefined();
} else {
boolean defined = g.setInterval(ad, bd);
g.setDefined(defined);
}
}
