//      g01ep Example Program Text
//      C# version, NAG Copyright 2008
using System;
using NagLibrary;
using System.Globalization;
using System.IO;
namespace NagDotNetExamples
{
  public class G01EPE
  {
    static string datafile = "ExampleData/g01epe.d";
    static void Main(String[] args)
    {
      if (args.Length == 1)
      {
        datafile = args[0];
      }
      StartExample();
    }
    public static void StartExample()
    {
      try
      {
        DataReader sr = new DataReader(datafile);
        double d,  pdl,   pdu;  int ip, n; 
        int ifail;
        Console.WriteLine("g01ep Example Program Results");
        //      Skip heading in data file
        sr.Reset();
        sr.Reset();
        n = int.Parse(sr.Next());
        ip = int.Parse(sr.Next());
        d = double.Parse(sr.Next(), CultureInfo.InvariantCulture);
        //
        if (n > ip)
        {
          //
          G01.g01ep(n, ip, d, out pdl, out pdu, out ifail);
          //
          Console.WriteLine("");
          if (ifail == 0)
          {
            Console.WriteLine("  {0}{1,10:f4}", " Durbin-Watson statistic ", d);
            Console.WriteLine("");
            Console.WriteLine("  {0}{1,10:f4}", " Probability for the lower bound = ", pdl);
            Console.WriteLine("  {0}{1,10:f4}", " Probability for the upper bound = ", pdu);
          }
          else
          {
            Console.WriteLine("** g01ep failed with ifail = {0,5}", ifail);
          }
        }
        else
        {
          Console.WriteLine(" {0}", " n <= ip.");
        }
        //
      }
      catch (Exception e)
      {
        Console.WriteLine(e.Message);
        Console.WriteLine( "Exception Raised");
      }
    }
  }
}