package org.geogebra.common.kernel.statistics;
import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.StringTemplate;
import org.geogebra.common.kernel.arithmetic.BooleanValue;
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.GeoFunction;
import org.geogebra.common.kernel.geos.GeoNumberValue;
import org.geogebra.common.main.MyError;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
/**
* Normal[mean,SD,val] Normal[mean,SD,x] Normal[mean,SD,x, cumulative]
*
* adapted from CmdMax by Michael Borcherds 2008-01-20
*/
public class CmdNormal extends CommandProcessor {
/**
* Creates new processor for Normal command
*
* @param kernel
* Kernel
*/
public CmdNormal(Kernel kernel) {
super(kernel);
}
@Override
@SuppressFBWarnings({ "SF_SWITCH_FALLTHROUGH",
"missing break is deliberate" })
public GeoElement[] process(Command c) throws MyError {
int n = c.getArgumentNumber();
boolean ok;
GeoElement[] arg;
BooleanValue cumulative = null; // default for n=3 (false)
arg = resArgs(c);
switch (n) {
case 4:
if (arg[3] instanceof BooleanValue) {
cumulative = (BooleanValue) arg[3];
} else {
throw argErr(app, c, arg[3]);
}
// fall through
case 3:
if ((ok = arg[0] instanceof GeoNumberValue)
&& (arg[1] instanceof GeoNumberValue)) {
if (arg[2].isGeoFunction() && ((GeoFunction) arg[2])
.toString(StringTemplate.defaultTemplate).equals("x")) {
AlgoNormalDF algo = new AlgoNormalDF(cons, c.getLabel(),
(GeoNumberValue) arg[0], (GeoNumberValue) arg[1],
cumulative);
return algo.getResult().asArray();
} else if (arg[2] instanceof GeoNumberValue) {
AlgoNormal algo = new AlgoNormal(cons, c.getLabel(),
(GeoNumberValue) arg[0], (GeoNumberValue) arg[1],
(GeoNumberValue) arg[2]);
GeoElement[] ret = { algo.getResult() };
return ret;
} else {
throw argErr(app, c, arg[2]);
}
}
throw argErr(app, c, ok ? arg[1] : arg[0]);
default:
throw argNumErr(app, c, n);
}
}
}