SimpleInterval.h

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// @(#)root/roostats:$Id$
// Author: Kyle Cranmer, Lorenzo Moneta, Gregory Schott, Wouter Verkerke
/*************************************************************************
 * Copyright (C) 1995-2008, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#ifndef RooStats_SimpleInterval
#define RooStats_SimpleInterval
 
#include "RooArgSet.h"
#include "RooStats/ConfInterval.h"
 
class RooRealVar;
 
namespace RooStats {
 class SimpleInterval : public ConfInterval {
 
  public:
    /// default constructor
    explicit SimpleInterval(const char *name = nullptr);
 
    /// default constructor
    SimpleInterval(const SimpleInterval& other, const char* name);
 
    /// default constructor
    SimpleInterval& operator=(const SimpleInterval& other) ;
 
    /// constructor from name, the Parameter of interest and lower/upper bound values
    SimpleInterval(const char* name, const RooRealVar & var, double lower, double upper, double cl);
 
    /// destructor
    ~SimpleInterval() override;
 
    /// check if parameter is in the interval
    bool IsInInterval(const RooArgSet&) const override;
 
    /// set the confidence level for the interval. Simple interval is defined at construction time so this function
    /// has no effect
    void SetConfidenceLevel(double ) override {}
 
    /// return the confidence interval
    double ConfidenceLevel() const override {return fConfidenceLevel;}
 
    /// return the interval lower limit
    virtual double LowerLimit() {return fLowerLimit;}
    /// return the interval upper limit
    virtual double UpperLimit() {return fUpperLimit;}
 
    /// return a cloned list with the parameter of interest
    RooArgSet* GetParameters() const override;
 
    /// check if parameters are correct (i.e. they are the POI of this interval)
    bool CheckParameters(const RooArgSet&) const override ;
 
 
 
  protected:
 
    ClassDefOverride(SimpleInterval,1)  // Concrete implementation of ConfInterval for simple 1-D intervals in the form [a,b]
 
    RooArgSet fParameters;      ///< set containing the parameter of interest
    double  fLowerLimit;      ///< lower interval limit
    double  fUpperLimit;      ///< upper interval limit
    double  fConfidenceLevel; ///< confidence level
 
  };
}
 
#endif