package org.geogebra.common.kernel.commands;
import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.algos.AlgoFunctionMinMax;
import org.geogebra.common.kernel.algos.AlgoIntervalMin;
import org.geogebra.common.kernel.algos.AlgoListMin;
import org.geogebra.common.kernel.algos.AlgoMin;
import org.geogebra.common.kernel.arithmetic.Command;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoFunction;
import org.geogebra.common.kernel.geos.GeoInterval;
import org.geogebra.common.kernel.geos.GeoList;
import org.geogebra.common.kernel.geos.GeoNumberValue;
import org.geogebra.common.main.MyError;
/**
* Min[ <Number>, <Number> ]
*/
public class CmdMin extends CommandProcessor {
/**
* Create new command processor
*
* @param kernel
* kernel
*/
public CmdMin(Kernel kernel) {
super(kernel);
}
@Override
public GeoElement[] process(Command c) throws MyError {
int n = c.getArgumentNumber();
boolean[] ok = new boolean[n];
GeoElement[] arg;
switch (n) {
case 1:
arg = resArgs(c);
if (arg[0].isGeoList()) {
AlgoListMin algo = new AlgoListMin(cons, c.getLabel(),
(GeoList) arg[0]);
GeoElement[] ret = { algo.getMin() };
return ret;
} else if (arg[0].isGeoInterval()) {
AlgoIntervalMin algo = new AlgoIntervalMin(cons, c.getLabel(),
(GeoInterval) arg[0]);
GeoElement[] ret = { algo.getResult() };
return ret;
} else {
throw argErr(app, c, arg[0]);
}
case 2:
arg = resArgs(c);
if ((ok[0] = arg[0] instanceof GeoNumberValue)
&& (ok[1] = arg[1] instanceof GeoNumberValue)) {
AlgoMin algo = new AlgoMin(cons,
(GeoNumberValue) arg[0], (GeoNumberValue) arg[1]);
algo.getResult().setLabel(c.getLabel());
GeoElement[] ret = { algo.getResult() };
return ret;
} else if (((ok[0] = arg[0].isGeoList())
&& (ok[1] = arg[1].isGeoList()))) {
// value and frequency list
AlgoListMin algo = new AlgoListMin(cons, c.getLabel(),
(GeoList) arg[0], (GeoList) arg[1]);
GeoElement[] ret = { algo.getMin() };
return ret;
}
throw argErr(app, c, arg[0]);
case 3: // Min[f,a,b]
arg = resArgs(c);
if ((ok[0] = arg[0].isGeoFunction())
&& (ok[1] = arg[1] instanceof GeoNumberValue)
&& (ok[2] = arg[2] instanceof GeoNumberValue)) {
AlgoFunctionMinMax algo = new AlgoFunctionMinMax(cons,
c.getLabel(), (GeoFunction) arg[0],
(GeoNumberValue) arg[1], (GeoNumberValue) arg[2], true);
GeoElement[] ret = { algo.getPoint() };
return ret;
}
throw argErr(app, c, getBadArg(ok, arg));
default:
throw argNumErr(app, c, n);
}
}
}