BernoulliDistribution.h

#ifndef BERNOULLIDISTRIBUTION_H
#define BERNOULLIDISTRIBUTION_H

// The general discrete distribution with finite support

#include "discreteDistribution.h"

class BernoulliDistribution : public virtual discreteDistribution {

 public:
  BernoulliDistribution( double ); // creation from a value

 private:
  double _proba;  // proba of the value 1 /**< TODO */

 public: // accessors
  double    getParameter() { return _proba; }

 public: // probabilistic member functions
  double    mean();
  double    rate(); // inverse of the mean
  double    moment( int n );
  double    variance();
  double    laplace( double s ); // Laplace transform at real points
  double    dLaplace( double s ); // derivative of the Laplace transform
  double    cdf( double x );
  bool      hasMoment( int n );
  
  BernoulliDistribution *rescale( double factor );
  BernoulliDistribution *copy();

  double    sample();
  void      iidSample( int n, double* s );

 public:
  std::string toString();
  void write( FILE *out, int mode );

};

#endif // BERNOULLIDISTRIBUTION_H