package jmetal.music;

import jmetal.util.JMException;
import jmetal.util.wrapper.XInt;

public class Evaluator extends XInt{

    public static double evaluateF1(XInt wrappedArray) {
        // TODO Auto-generated method stub
        return 0;
    }

    double singingEvents = 0;


    public double findSingingEvent(XInt wrappedArray) throws JMException{

        double numberOfPairs = 0;
        if(getNumberOfDecisionVariables()== 2 && getValue(0) != getValue(1)){

            singingEvents++;
        }

        for(int index = 0; index < getNumberOfDecisionVariables(); index++){


            if(getValue(index) == getValue(index + 1)){

                if(index % 2 == 0){numberOfPairs++;}

            }
        }

            if(numberOfPairs % 2 == 0){singingEvents++;}

        return singingEvents;

    }



}