/*
GeoGebra - Dynamic Mathematics for Everyone
http://www.geogebra.org
This file is part of GeoGebra.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation.
*/
package org.geogebra.common.kernel.statistics;
import org.apache.commons.math3.distribution.BinomialDistribution;
import org.geogebra.common.kernel.Construction;
import org.geogebra.common.kernel.commands.Commands;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoList;
import org.geogebra.common.kernel.geos.GeoNumberValue;
import org.geogebra.common.util.debug.Log;
/**
*
* @author G. Sturr
*/
public class AlgoBinomialDistList extends AlgoDistribution {
/**
* @param cons
* construction
* @param label
* label
* @param a
* number of trials
* @param b
* probability of success
* @param c
* value of random variable
*/
public AlgoBinomialDistList(Construction cons, String label,
GeoNumberValue a, GeoNumberValue b, GeoList c) {
super(cons, label, a, b, c);
}
@Override
public Commands getClassName() {
return Commands.BinomialDist;
}
@Override
protected void setInputOutput() {
input = new GeoElement[3];
input[0] = a.toGeoElement();
input[1] = b.toGeoElement();
input[2] = list.toGeoElement();
setOnlyOutput(num);
setDependencies(); // done by AlgoElement
}
@Override
public final void compute() {
if (input[0].isDefined() && input[1].isDefined()
&& input[2].isDefined()) {
int param = (int) Math.round(a.getDouble());
double param2 = b.getDouble();
try {
BinomialDistribution dist = getBinomialDistribution(param,
param2);
double sum = 0;
for (int i = 0; i < list.size(); i++) {
sum += dist.probability(
(int) Math.round(list.get(i).evaluateDouble()));
}
num.setValue(sum);
} catch (Exception e) {
Log.debug(e.getMessage());
num.setUndefined();
}
} else {
num.setUndefined();
}
}
}