//      g01ft Example Program Text
//      C# version, NAG Copyright 2008
using System;
using NagLibrary;
using System.Globalization;
using System.IO;
namespace NagDotNetExamples
{
  public class G01FTE
  {
    static string datafile = "ExampleData/g01fte.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 x,  y;  int ifail;
        bool carryon = true;
        Console.WriteLine("g01ft Example Program Results");
        //      Skip heading in data file
        sr.Reset();
        Console.WriteLine("");
        Console.WriteLine(" {0}", "  x          y            ifail");
        Console.WriteLine("");
        while (carryon)
        {
          try
          {
            sr.Reset();
            x = double.Parse(sr.Next(), CultureInfo.InvariantCulture);
          }
          catch
          {
            break;
          }
          //
          //      Compute the value of the inverse of the Landau distribution function
          //
          //
          y = G01.g01ft(x, out  ifail);
          //
          if (ifail >= 0)
          {
            Console.WriteLine("  {0,4:f1}      {1,12:e4}{2,6}", x, y, ifail);
            continue;
          }
          else
          {
            Console.WriteLine("** g01ft failed with ifail = {0,5}", ifail);
            break;
          }
        }
        //
      }
      catch (Exception e)
      {
        Console.WriteLine(e.Message);
        Console.WriteLine( "Exception Raised");
      }
    }
  }
}