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/* jetfit.h - User-callable function prototypes from jetfit */
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#ifndef UserCode_JetFitAnalyzer_jetfit_h
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#define UserCode_JetFitAnalyzer_jetfit_h
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#include <string>
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#include <vector>
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#include <TFormula.h>
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#include <TString.h>
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#include <TMinuit.h>
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#include <TH2.h>
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namespace jetfit {
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enum TroubleStage {
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T_NULL = 0,
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T_SIMPLEX,
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T_MIGRAD,
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T_MINOS
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};
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struct VectorHisto {
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vector< vector<double> > bins;
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double Xlo, Xhi, Ylo, Yhi;
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} energy;
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struct Trouble {
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TroubleStage occ;
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int istat;
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};
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struct FitResults {
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TH2 *rebinnedHisto;
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std::vector< double > chisquare;
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std::vector< std::vector<TString> > pars;
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std::vector< std::vector<double> > pval;
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std::vector< std::vector<double> > perr;
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std::vector< std::vector<double> > plo;
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std::vector< std::vector<double> > phi;
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};
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class ModelDefinition {
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public:
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int numberOfGaussians();
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void setNumberOfGaussians(int);
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double fitFunction(double, double, double *);
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TFormula *getFormula();
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void setFormula(TFormula *);
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void indivParameter(int, std::string&, double&, double&, double&, double&);
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void setIndivParameter(int, std::string, double, double, double, double);
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void get_special_par(int, int, double&, double&, double&, double&);
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void set_special_par(int, int, double, double, double, double);
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unsigned get_n_special_par_sets();
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int get_indiv_max_E();
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void set_indiv_max_E(int);
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int get_indiv_max_x();
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void set_indiv_max_x(int);
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int get_indiv_max_y();
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void set_indiv_max_y(int);
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virtual double chisquare_error(double) = 0;
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double formula_int(double, double, double, double,
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double*, double, double, double*);
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void par_init(TH2 *, TMinuit *, std::vector<TString> &,
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double *, double *, double *, double *,
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int, FitResults);
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private:
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TFormula *indiv_formula; // formula for individual Gaussian
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std::vector<std::string> indiv_par_names;
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std::vector<double> indiv_par_starts;
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std::vector<double> indiv_par_start_steps;
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std::vector<double> indiv_par_lo;
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std::vector<double> indiv_par_hi;
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std::vector< std::vector<double> > special_par_starts;
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std::vector< std::vector<double> > special_par_start_steps;
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std::vector< std::vector<double> > special_par_lo;
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std::vector< std::vector<double> > special_par_hi;
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int indiv_max_E;
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int indiv_max_x;
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int indiv_max_y;
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int theNumberOfGaussians;
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};
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FitResults fit_histo(TH2 *hist, std::vector<Trouble> &t,
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void (*cc_minuit)(TMinuit *, TH2 *, int) = 0,
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int start_ngauss = 0,
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int rebinX = 1, int rebinY = 1,
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double P_cutoff_val = 0.5);
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ModelDefinition& curr_ModelDefinition();
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void set_ModelDefinition(ModelDefinition *_mdef);
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bool get_ignorezero();
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void set_ignorezero(bool);
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double fit_fcn_TF2(double *, double *);
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}
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#endif
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