using System;

using System.Drawing;

using System.Linq;

using System.Collections;

namespace PowerLanguage

{

    namespace Function

    {

        public class MyAvg

        {

            public static double Avg(ArrayList list,int length)

            {

                if(list.Count < length ) return 0.0 ;

                double all = 0.0 ;

                for(int i = list.Count - length ; i< list.Count; i++)

                {

                    all += (Double)list[i];

                }

                if(list.Count >)

                    {

                        return all/length;

                    }

                return 0.0 ;

            }

 public static ArrayList ma(ArrayList price, int length,int limit)

        {

            if (price.Count < length) return null;

            if (length + limit- > price.Count) return null;

            ArrayList temparray = new ArrayList();

            for (int i = ; i < length+limit-; i++)

            {

                if (i < length - ) continue;

                double temp = ;

                for (int j = i; j > i - length; j--)

                {

                    temp += (double)price[j];

                }

                temparray.Add(temp / length);

                Console.WriteLine("---------------------" + temp);

            }

            return temparray;

        }

        }

    }

}