@Override
public final GeoElement[] process(Command c) throws MyError {
int n = c.getArgumentNumber();
GeoElement[] arg;
boolean ok;
switch (n) {
case 2:
arg = resArgs(c);
if ((ok = arg[0].isGeoNumeric()) && arg[1].isGeoText()) {
GeoNumeric num = (GeoNumeric) arg[0];
String str = ((GeoText) arg[1]).getTextString();
try {
num.setValue(kernelA.getAlgebraProcessor().evaluateToNumeric(str, true).getDouble());
num.updateCascade();
} catch (Exception e) {
num.setUndefined();
num.updateCascade();
}
GeoElement[] ret = {num};
return ret;
} else if (!ok) throw argErr(app, c.getName(), arg[0]);
else throw argErr(app, c.getName(), arg[1]);
default:
throw argNumErr(app, c.getName(), n);
}
}
@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);
}
// calc length of vector v
@Override
public final void compute() {
num.setValue(seg.getLength());
}
// calc length of vector v
@Override
public final void compute() {
v.getInhomCoords(coords);
num.setValue(MyMath.length(coords[0], coords[1]));
}