CallBy Val Vs Ref Double, C#

CallBy Val Vs Ref Double

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Diagnostics;
namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            int aCount = 1000000;
            double aSum = 0;
            Stopwatch aWatch = Stopwatch.StartNew();
            for(double i=0;i<aCount;i++)
            {
                aSum  = CallByValue(i,i);
            }
             
            aWatch.Stop();
            Console.WriteLine("Call By Value Took {0}",aWatch.Elapsed);
            aWatch.Start();
            for(double i=0;i<aCount;i++)
            {
                CallByRef(ref i,ref i,ref aSum);
            }
             
            aWatch.Stop();
            Console.WriteLine("Call By Ref Took {0}",aWatch.Elapsed);
        }
        
        public static double CallByValue(double one, double two)
        {
            return one+two;
        }
        
        public static void CallByRef(ref double one, ref double two,ref double theOut)
        {
            theOut =  one+two;
        }
    }
}


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