TFCS2DFunction.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ISF_FASTCALOSIMEVENT_TFCS2DFunction_h
#define ISF_FASTCALOSIMEVENT_TFCS2DFunction_h
 
#include "CxxUtils/checker_macros.h"
 
#include "ISF_FastCaloSimEvent/TFCSFunction.h"
#include <vector>
 
class TH2;
 
class TFCS2DFunction : public TFCSFunction {
public:
  TFCS2DFunction(){};
  ~TFCS2DFunction(){};
 
  virtual int ndim() const { return 2; };
 
  virtual void rnd_to_fct(float &valuex, float &valuey, float rnd0,
                          float rnd1) const = 0;
  virtual void rnd_to_fct(float value[], const float rnd[]) const;
 
  static double CheckAndIntegrate2DHistogram(const TH2 *hist,
                                             std::vector<double> &integral_vec,
                                             int &first, int &last);
 
  static void unit_test ATLAS_NOT_THREAD_SAFE(
      TH2 *hist = nullptr, TFCS2DFunction *rtof = nullptr,
      const char *outfilename = "TFCS2DFunction_unit_test.root",
      int nrnd = 10000000);
  static void unit_tests ATLAS_NOT_THREAD_SAFE(
      TH2 *hist = nullptr,
      const char *outfilename = "TFCS2DFunction_unit_test.root",
      int nrnd = 10000000);
 
private:
  ClassDef(TFCS2DFunction, 1) // TFCS2DFunction
};
 
#endif