Spec GeometricPdf

Geometric probability density function with p = 0.5.

/*!
 * @class GeometricPdf
 * 
 * @extends Pdf
 * 
 * @headerfile <seqan/random.h>
 * 
 * @brief Geometric probability density function with <i>p = 0.5</i>.
 * 
 * @signature template <> class Pdf<Geometric>;
 * 
 * The PDF is implemented efficiently without using any floating point
 * arithmetics, just some bit operations.
 * 
 * @fn GeometricPdf::Pdf
 * 
 * @brief Constructor
 * 
 * @signature Pdf::Pdf();
 */