#ifndef ROOFFTCONVPDF
#define ROOFFTCONVPDF
#include "RooAbsCachedPdf.h"
#include "RooRealProxy.h"
#include "RooAbsReal.h"
#include "RooHistPdf.h"
#include "TVirtualFFT.h"
class RooRealVar ;
#include <map>
class RooFFTConvPdf : public RooAbsCachedPdf {
public:
RooFFTConvPdf() {} ;
RooFFTConvPdf(const char *name, const char *title, RooRealVar& convVar, RooAbsPdf& pdf1, RooAbsPdf& pdf2, Int_t ipOrder=0);
RooFFTConvPdf(const RooFFTConvPdf& other, const char* name=0) ;
virtual TObject* clone(const char* newname) const { return new RooFFTConvPdf(*this,newname); }
virtual ~RooFFTConvPdf() ;
Double_t bufferFraction() const { return _bufFrac ; }
void setBufferFraction(Double_t frac) ;
protected:
RooRealProxy _x ;
RooRealProxy _pdf1 ;
RooRealProxy _pdf2 ;
Double_t* scanPdf(RooRealVar& obs, RooAbsPdf& pdf, const RooDataHist& hist, const RooArgSet& slicePos, Int_t& N, Int_t& N2) const ;
virtual Double_t evaluate() const { RooArgSet dummy(_x.arg()) ; return getVal(&dummy) ; } ;
virtual const char* inputBaseName() const ;
virtual RooArgSet* actualObservables(const RooArgSet& nset) const ;
virtual RooArgSet* actualParameters(const RooArgSet& nset) const ;
virtual void fillCacheObject(CacheElem& cache) const ;
void fillCacheSlice(RooHistPdf& cachePdf, const RooArgSet& slicePosition) const ;
class CacheAuxInfo {
public:
CacheAuxInfo() : fftr2c1(0),fftr2c2(0),fftc2r(0) {}
~CacheAuxInfo() { delete fftr2c1 ; delete fftr2c2 ; delete fftc2r ; }
TVirtualFFT* fftr2c1 ;
TVirtualFFT* fftr2c2 ;
TVirtualFFT* fftc2r ;
};
mutable std::map<const RooHistPdf*,CacheAuxInfo*> _cacheAuxInfo ;
Double_t _bufFrac ;
virtual RooAbsGenContext* genContext(const RooArgSet &vars, const RooDataSet *prototype=0,
const RooArgSet* auxProto=0, Bool_t verbose= kFALSE) const ;
friend class RooConvGenContext ;
private:
ClassDef(RooFFTConvPdf,1)
};
#endif
Last update: Thu Jan 17 08:44:41 2008
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