Coding Rule violations corrected.
[u/mrichter/AliRoot.git] / EVGEN / AliGenParam.h
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34825e2b 1#ifndef ALIGENPARAM_H
2#define ALIGENPARAM_H
3da30618 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
fff02fee 8#include "AliGenMC.h"
5c3fd7ea 9#include <TArrayI.h>
f87cfe57 10
11class AliPythia;
12class TParticle;
b22ee262 13class AliGenLib;
f87cfe57 14class TF1;
15
34f60c01 16typedef enum { kAnalog, kNonAnalog} Weighting_t;
fe4da5cc 17//-------------------------------------------------------------
fff02fee 18class AliGenParam : public AliGenMC
fe4da5cc 19{
34825e2b 20 public:
21 AliGenParam();
34f60c01 22 AliGenParam(Int_t npart, AliGenLib * Library, Int_t param, char* tname = 0);
23 AliGenParam(Int_t npart, Int_t param, char* tname = 0);
24 AliGenParam(Int_t npart, Int_t param,
34825e2b 25 Double_t (*PtPara)(Double_t*, Double_t*),
26 Double_t (*YPara )(Double_t*, Double_t*),
65fb704d 27 Int_t (*IpPara)(TRandom*) );
f87cfe57 28 AliGenParam(const AliGenParam &Param);
29
34825e2b 30 virtual ~AliGenParam();
31 virtual void Generate();
32 virtual void Init();
33 // select particle type
34f60c01 34 virtual void SetParam(Int_t param) {fParam = param;}
34825e2b 35 // force decay type
34f60c01 36 virtual void SetWeighting(Weighting_t flag = kAnalog) {fAnalog = flag;}
34f60c01 37 virtual void SetDeltaPt(Float_t delta=0.01) {fDeltaPt = delta;}
34825e2b 38
f87cfe57 39 AliGenParam & operator=(const AliGenParam & rhs);
34825e2b 40 protected:
41 Double_t (*fPtParaFunc)(Double_t*, Double_t*); //! Pointer to Pt parametrisation function
42 Double_t (*fYParaFunc )(Double_t*, Double_t*); //! Pointer to Y parametrisation function
65fb704d 43 Int_t (*fIpParaFunc )(TRandom*); //! Pointer to particle type parametrisation function
34825e2b 44 TF1* fPtPara; // Transverse momentum parameterisation
45 TF1* fYPara; // Rapidity parameterisation
34f60c01 46 Int_t fParam; // Parameterisation type
4d9d5cbd 47 Float_t fdNdy0; // central multiplicity per event
48 Float_t fYWgt; // Y-weight
49 Float_t fPtWgt; // Pt-weight
4d9d5cbd 50 Float_t fBias; // Biasing factor
51 Int_t fTrials; // Number of trials
34825e2b 52 Float_t fDeltaPt; // pT sampling in steps of fDeltaPt
6c24ee7c 53 AliDecayer *fDecayer; // ! Pointer to pythia object for decays
b7601ac4 54 ClassDef(AliGenParam,1) // Generator using parameterised pt- and y-distribution
fe4da5cc 55};
56#endif
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