MCMCBase.h

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#pragma once
 
#include "Algorithms/FitterBase.h"
#include "Algorithms/MulticanonicalMCMCHandler.h"
class MCMCBase : public FitterBase {
 public:
    MCMCBase(Manager * const fitMan);
    
    virtual ~MCMCBase() = default;
 
    void RunMCMC() final;
 
    void StartFromPreviousFit(const std::string &FitName) final;
 
    virtual std::string GetFancyName() const final;
 
   void setChainLength(unsigned int L) { chainLength = L; };
 protected:
    void DoMCMCStep();
 
    virtual void ProposeStep()=0;
 
    void PreStepProcess();
 
    void PostStepProcess();
 
    virtual void DoStep()=0;
 
    virtual double AcceptanceProbability()=0;
 
    bool IsStepAccepted(const double acc_prob);
 
    void AcceptStep();
 
    void AdaptiveStep();
 
    void PrintProgress(const bool StepsPrint = true);
 
    void CheckAcceptanceRates();
 
    std::unique_ptr<MulticanonicalMCMCHandler> multicanonicalHandler;
 
    bool out_of_bounds;
 
    bool accept;
 
    unsigned int chainLength;
 
    bool anneal;
    double AnnealTemp;
 
    bool multicanonical;
};