probabilitydistribution2d.h

Go to the documentation of this file.

#ifndef PROBABILITYDISTRIBUTION2D_H

#define PROBABILITYDISTRIBUTION2D_H

#include "point2d.h"
#include <assert.h>
#include <limits>

class GslRandomNumberGenerator;

class ProbabilityDistribution2D
{
public:
        ProbabilityDistribution2D(GslRandomNumberGenerator *pRng, bool supportsMarginalsAndConditionals)
                                                                                        { assert(pRng != 0); m_pRng = pRng; m_supportsMarginalsAndConditionals = supportsMarginalsAndConditionals; }
        virtual ~ProbabilityDistribution2D()                                            { }

        virtual Point2D pickPoint() const = 0;

        bool hasMarginalsAndConditionals() const                                        { return m_supportsMarginalsAndConditionals; }
        virtual double pickMarginalX() const                                            { return std::numeric_limits<double>::quiet_NaN(); }
        virtual double pickMarginalY() const                                            { return std::numeric_limits<double>::quiet_NaN(); }
        virtual double pickConditionalOnX(double x) const                               { return std::numeric_limits<double>::quiet_NaN(); }
        virtual double pickConditionalOnY(double y) const                               { return std::numeric_limits<double>::quiet_NaN(); }

        GslRandomNumberGenerator *getRandomNumberGenerator() const                      { return m_pRng; }
private:
        mutable GslRandomNumberGenerator *m_pRng;
        bool m_supportsMarginalsAndConditionals;
};

#endif // PROBABILITYDISTRIBUTION2D_H