//      g13aa Example Program Text
//      C# version, NAG Copyright 2008
using System;
using NagLibrary;
using System.Globalization;
namespace NagDotNetExamples
{
  public class G13AAE
  {
    static string datafile = "ExampleData/g13aae.d";
    static void Main(String[] args)
    {
      if (args.Length == 1)
      {
        datafile = args[0];
      }
      StartExample();
    }
    public static void StartExample()
    {
      try
      {
        DataReader sr = new DataReader(datafile);
        int i,   nd,   nds,   ns,   nx,   nxd; int ifail;
        Console.WriteLine("g13aa Example Program Results");
        //      Skip heading in data file
        sr.Reset();
        sr.Reset();
        nx = int.Parse(sr.Next());
        nd = int.Parse(sr.Next());
        nds = int.Parse(sr.Next());
        ns = int.Parse(sr.Next());
        double[] x = new double[nx];
        double[] xd = new double[nx];
        if (nx > 0)
        {
          sr.Reset();
          for (i = 1; i <= nx; i++)
          {
            x[i - 1] = double.Parse(sr.Next(), CultureInfo.InvariantCulture);
          }
          Console.WriteLine("");
          Console.WriteLine("  {0}{1,1}{2}", "Non-seasonal differencing of order ", nd, " and seasonal differencing");
          Console.WriteLine("  {0}{1,1}{2}{3,1}{4}", "of order ", nds, " with seasonality ", ns, " are applied");
          //
          G13.g13aa(x, nx, nd, nds, ns, xd, out nxd, out ifail);
          //
          Console.WriteLine("");
          Console.WriteLine("  {0}{1,2}{2}{3,2}{4}", "The output array holds ", nx, " values, of which the first ", nxd, " are differenced values");
          Console.WriteLine("");
          for (i = 1; i <= nx; i++)
          {
            Console.Write(" {0, 9:f1}{1}", xd[i - 1], i%5==0?"\n":"");
          }
          Console.WriteLine("");
        }
        //
      }
      catch (Exception e)
      {
        Console.WriteLine(e.Message);
        Console.WriteLine("Exception Raised");
      }
    }
  }
}