public AlgoIntegralFunctions(Construction cons, String label,
GeoFunction f, GeoFunction g,
NumberValue a, NumberValue b) {
super(cons);
this.f = f;
this.g = g;
this.a = a;
this.b = b;
ageo = a.toGeoElement();
bgeo = b.toGeoElement();
// helper algorithms for integral f and g
AlgoIntegralDefinite algoInt = new AlgoIntegralDefinite(cons, f, a, b);
cons.removeFromConstructionList(algoInt);
intF = algoInt.getIntegral();
algoInt = new AlgoIntegralDefinite(cons, g, a, b);
cons.removeFromConstructionList(algoInt);
intG = algoInt.getIntegral();
// output: intF - intG
n = new GeoNumeric(cons);
setInputOutput(); // for AlgoElement
compute();
n.setLabel(label);
}
@Override
public final void compute() {
double a = t0.getValue();
double b = t1.getValue();
double lenVal = Math.abs(AlgoIntegralDefinite.numericIntegration(lengthCurve, a, b));
length.setValue(lenVal);
}
