53 lines
2.5 KiB
C++
53 lines
2.5 KiB
C++
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/**
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* @file pdf.hh
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* @author Christoph Langenbruch, Renata Kopecna
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* @date 2009-03-18
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*
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*/
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#ifndef PDF_H
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#define PDF_H
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namespace fcnc {
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class parameters;
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class event;
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class options;
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///abstract base class that defines the interface for a pdf
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///your pdf needs to inherit form this and implement all the abstract methods
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class pdf {
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public:
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virtual ~pdf() {};
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///returns the probability of one event
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virtual double prob(const parameters* params, const event& meas) const = 0;
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virtual double chi2(const parameters* params) {return 0.0;};
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///updates the cached normalization after a parameter change
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virtual void update_cached_normalization(const parameters* params) = 0;
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virtual void update_cached_normalization(const parameters* params, std::vector<event>* events) {return;};
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virtual void update_cached_integrated_fis(const parameters* params) {return;};
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///updates the cached efficiencies, useable in case of fixed q2 eff or for a weighted fit
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virtual void update_cached_efficiencies(const parameters* params, std::vector<event>* events) {return;};
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///updates the cached xis paramters for every event, this allows to use a different q2 dependent norm for every event
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virtual void update_cached_xis(const parameters* params, std::vector<event>* events) {return;};
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///performs the necessary initialisations for the pdf
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virtual void init(parameters* params) = 0;
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//I am exposing these for now, needed for the S-wave hack
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virtual void get_swave_integrated_fj(double& f1, double& f2, double& f3, double& f4, double& f5, double& f6) const {return;};
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virtual void get_integrated_fj(double& f1, double& f2, double& f3, double& f4, double& f5, double& f6,
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double& f7, double& f8, double& f9, double& f10, double& f11, double& f12) const {return;};
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virtual void swave_integrated_fj_noacc(double& f1, double& f2, double& f3, double& f4, double& f5, double& f6) const {return;};
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//virtual void swave_integrated_fj_chebyshev(double& f1, double& f2, double& f3, double& f4, double& f5, double& f6, double q2) const {return;};
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virtual void integrated_fj_noacc(double& f1, double& f2, double& f3, double& f4, double& f5, double& f6,
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double& f7, double& f8, double& f9, double& f10, double& f11, double& f12) const {return;};
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//virtual void integrated_fj_chebyshev(double& f1, double& f2, double& f3, double& f4, double& f5, double& f6,
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// double& f7, double& f8, double& f9, double& f10, double& f11, double& f12, double q2) const {return;};
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};
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}
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#endif
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