package org.geogebra.common.kernel.barycentric;
import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.arithmetic.Command;
import org.geogebra.common.kernel.commands.CommandProcessor;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoList;
import org.geogebra.common.main.MyError;
/**
* Barycenter[ <List of points>, < list of weights> ]
*
* @author Darko
*
*/
public class CmdBarycenter extends CommandProcessor {
/**
* Create new command processor
*
* @param kernel
* kernel
*/
public CmdBarycenter(Kernel kernel) {
super(kernel);
}
@Override
final public GeoElement[] process(Command c) throws MyError {
int n = c.getArgumentNumber();
boolean[] ok = new boolean[n];
GeoElement[] arg;
switch (n) {
case 2:
arg = resArgs(c);
if ((ok[0] = arg[0].isGeoList()) && (ok[1] = arg[1].isGeoList())) {
AlgoBarycenter algo = new AlgoBarycenter(cons, c.getLabel(),
(GeoList) arg[0], (GeoList) arg[1]);
GeoElement[] ret = { algo.getResult().toGeoElement() };
return ret;
}
if (!ok[0]) {
throw argErr(app, c, arg[0]);
}
throw argErr(app, c, arg[1]);
default:
throw argNumErr(app, c, n);
}
}
}