private static void deranged_cdf_test()
//****************************************************************************80
//
// Purpose:
//
// DERANGED_CDF_TEST tests DERANGED_CDF.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 24 January 2007
//
// Author:
//
// John Burkardt
//
{
int x;
Console.WriteLine("");
Console.WriteLine("DERANGED_CDF_TEST");
Console.WriteLine(" DERANGED_CDF evaluates the Deranged CDF;");
Console.WriteLine(" DERANGED_CDF_INV inverts the Deranged CDF.");
Console.WriteLine(" DERANGED_PDF evaluates the Deranged PDF;");
const int a = 7;
Console.WriteLine("");
Console.WriteLine(" PDF parameter A = " + a + "");
if (!Deranged.deranged_check(a))
{
Console.WriteLine("");
Console.WriteLine("DERANGED_CDF_TEST - Fatal error!");
Console.WriteLine(" The parameters are not legal.");
return;
}
Console.WriteLine("");
Console.WriteLine(" X PDF CDF CDF_INV");
Console.WriteLine("");
for (x = 0; x <= a; x++)
{
double pdf = Deranged.deranged_pdf(x, a);
double cdf = Deranged.deranged_cdf(x, a);
int x2 = Deranged.deranged_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) + "");
}
}
public void derangedTest()
{
var d = new Deranged();
Assert.AreEqual(2, d.deranged(3));
Assert.AreEqual(0, d.deranged(1));
Assert.AreEqual(9, d.deranged(4));
Assert.AreEqual(133496, d.deranged(9));
Assert.AreEqual(1334961, d.deranged(10));
Assert.AreEqual(1, d.deranged(2));
Assert.AreEqual(44, d.deranged(5));
Assert.AreEqual(265, d.deranged(6));
Assert.AreEqual(1854, d.deranged(7));
Assert.AreEqual(14833, d.deranged(8));
}
private static void deranged_sample_test()
//****************************************************************************80
//
// Purpose:
//
// DERANGED_SAMPLE_TEST tests DERANGED_SAMPLE.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 24 January 2007
//
// Author:
//
// John Burkardt
//
{
const int SAMPLE_NUM = 1000;
int j;
int seed = 123456789;
int[] x = new int[SAMPLE_NUM];
Console.WriteLine("");
Console.WriteLine("DERANGED_SAMPLE_TEST");
Console.WriteLine(" DERANGED_MEAN computes the Deranged mean;");
Console.WriteLine(" DERANGED_SAMPLE samples the Deranged distribution;");
Console.WriteLine(" DERANGED_VARIANCE computes the Deranged variance.");
const int a = 7;
Console.WriteLine("");
Console.WriteLine(" PDF parameter A = " + a + "");
if (!Deranged.deranged_check(a))
{
Console.WriteLine("");
Console.WriteLine("DERANGED_SAMPLE_TEST - Fatal error!");
Console.WriteLine(" The parameters are not legal.");
return;
}
double mean = Deranged.deranged_mean(a);
double variance = Deranged.deranged_variance(a);
Console.WriteLine(" PDF mean = " + mean + "");
Console.WriteLine(" PDF variance = " + variance + "");
for (j = 0; j < SAMPLE_NUM; j++)
{
x[j] = Deranged.deranged_sample(a, ref seed);
}
mean = typeMethods.i4vec_mean(SAMPLE_NUM, x);
variance = typeMethods.i4vec_variance(SAMPLE_NUM, x);
int xmax = typeMethods.i4vec_max(SAMPLE_NUM, x);
int xmin = typeMethods.i4vec_min(SAMPLE_NUM, x);
Console.WriteLine("");
Console.WriteLine(" Sample size = " + SAMPLE_NUM + "");
Console.WriteLine(" Sample mean = " + mean + "");
Console.WriteLine(" Sample variance = " + variance + "");
Console.WriteLine(" Sample maximum = " + xmax + "");
Console.WriteLine(" Sample minimum = " + xmin + "");
}
