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42 lines
1.7 KiB
C++
42 lines
1.7 KiB
C++
#ifndef __DISTPLUSINV
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#define __DISTPLUSINV
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/************************************************************
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This class describes a combination of a predefined dsitrubtion ,
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with an additional invariant category of probability _Pinv
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This category is always the last rate category (i.e., rate(categories()) == 0)
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************************************************************/
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#include "definitions.h"
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#include "distribution.h"
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class distributionPlusInvariant : public distribution {
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public:
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explicit distributionPlusInvariant(
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distribution* pDist, const MDOUBLE pInv, const MDOUBLE globalRate=1, MDOUBLE rateInvariantVal=1e-10);
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explicit distributionPlusInvariant();
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distributionPlusInvariant(const distributionPlusInvariant& other): _pBaseDist(NULL){(*this) = other;}
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virtual distributionPlusInvariant& operator=(const distributionPlusInvariant& other);
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distributionPlusInvariant* clone() const {return new distributionPlusInvariant(*this);}
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virtual ~distributionPlusInvariant();
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distribution* getBaseDistribution(){return _pBaseDist;}
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//get/set the parameters of the mixture
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const int categories() const;
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void setGlobalRate(const MDOUBLE r) {_globalRate = r;}
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MDOUBLE getGlobalRate() const {return _globalRate;}
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virtual void setInvProb(const MDOUBLE p) {_Pinv = p;}
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const MDOUBLE getInvProb() const {return _Pinv;}
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//get distribution statistics
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virtual const MDOUBLE getCumulativeProb(const MDOUBLE x) const;
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virtual const MDOUBLE rates(const int category) const;
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virtual const MDOUBLE ratesProb(const int i) const;
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protected:
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MDOUBLE _globalRate;
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MDOUBLE _Pinv;
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MDOUBLE _rateInvariantVal;
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distribution* _pBaseDist;
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};
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#endif
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