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// $Id: betaOmegaDistribution.h 962 2006-11-07 15:13:34Z privmane $
#ifndef ___BETA_OMEGA_DIST
#define ___BETA_OMEGA_DIST
/************************************************************
This distribution can take several forms depending on its free parameters alpha,beta
For an extensive exlpanation of this distribution
see http://mathworld.wolfram.com/BetaDistribution.html
************************************************************/
#include "definitions.h"
#include "distribution.h"
#include "betaDistribution.h"
#include "logFile.h"
using namespace std;
class betaOmegaDistribution : public distribution {
public:
explicit betaOmegaDistribution(MDOUBLE alpha, MDOUBLE beta, int in_number_of_categories,MDOUBLE betaProb,MDOUBLE omega);
explicit betaOmegaDistribution(const betaOmegaDistribution& other);
explicit betaOmegaDistribution();
virtual ~betaOmegaDistribution();
virtual void setBetaOmegaParameters(int in_number_of_categories,MDOUBLE alpha, MDOUBLE beta,MDOUBLE betaProb,MDOUBLE omega);
virtual void setBetaParameters(int numOfCategories ,MDOUBLE alpha, MDOUBLE beta){_betaDistr.setBetaParameters(numOfCategories,alpha,beta);}
virtual const int categories() const {return _betaDistr.categories()+1;}
virtual const MDOUBLE rates(const int i) const;
virtual const MDOUBLE ratesProb(const int i) const;
virtual distribution* clone() const { return new betaOmegaDistribution(*this); }
virtual void setGlobalRate(const MDOUBLE x) {_betaDistr.setGlobalRate(x);}
virtual MDOUBLE getGlobalRate()const {return _betaDistr.getGlobalRate();}
virtual const MDOUBLE getCumulativeProb(const MDOUBLE x) const;
virtual void setAlpha(MDOUBLE newAlpha){ _betaDistr.setAlpha(newAlpha);}
virtual MDOUBLE getAlpha() const {return _betaDistr.getAlpha();};
virtual void setBeta(MDOUBLE newBeta){_betaDistr.setBeta(newBeta);}
virtual MDOUBLE getBeta() const {return _betaDistr.getBeta();};
virtual void change_number_of_categories(int in_number_of_categories){_betaDistr.change_number_of_categories(in_number_of_categories);}
virtual MDOUBLE getBorder(const int i) const {return _betaDistr.getBorder(i);} //return the ith border. Note: _bonderi[0] = 0, _bondery[categories()] = infinite
virtual MDOUBLE getOmega() const {return _omega;}
virtual MDOUBLE getBetaProb() const {return _betaProb;};
virtual void setOmega(MDOUBLE omega) { _omega = omega;};
virtual void setBetaProb(MDOUBLE betaProb) { _betaProb = betaProb;};
private:
betaDistribution _betaDistr;
MDOUBLE _omega;
MDOUBLE _betaProb;
};
#endif
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