private static void geometric_cdf_test() //****************************************************************************80 // // Purpose: // // GEOMETRIC_CDF_TEST tests GEOMETRIC_CDF. // // Licensing: // // This code is distributed under the GNU LGPL license. // // Modified: // // 27 January 2007 // // Author: // // John Burkardt // { int i; int seed = 123456789; Console.WriteLine(""); Console.WriteLine("GEOMETRIC_CDF_TEST"); Console.WriteLine(" GEOMETRIC_CDF evaluates the Geometric CDF;"); Console.WriteLine(" GEOMETRIC_CDF_INV inverts the Geometric CDF."); Console.WriteLine(" GEOMETRIC_PDF evaluates the Geometric PDF;"); const double a = 0.25E+00; Console.WriteLine(""); Console.WriteLine(" PDF parameter A = " + a + ""); if (!Geometric.geometric_check(a)) { Console.WriteLine(""); Console.WriteLine("GEOMETRIC_CDF_TEST - Fatal error!"); Console.WriteLine(" The parameters are not legal."); return; } Console.WriteLine(""); Console.WriteLine(" X PDF CDF CDF_INV"); Console.WriteLine(""); for (i = 1; i <= 10; i++) { int x = Geometric.geometric_sample(a, ref seed); double pdf = Geometric.geometric_pdf(x, a); double cdf = Geometric.geometric_cdf(x, a); int x2 = Geometric.geometric_cdf_inv(cdf, a); Console.WriteLine(" " + x.ToString(CultureInfo.InvariantCulture).PadLeft(12) + " " + pdf.ToString(CultureInfo.InvariantCulture).PadLeft(12) + " " + cdf.ToString(CultureInfo.InvariantCulture).PadLeft(12) + " " + x2.ToString(CultureInfo.InvariantCulture).PadLeft(12) + ""); } }