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#ifndef REGGEGRIBOVPARTONMCHADRONIZER_H
#define REGGEGRIBOVPARTONMCHADRONIZER_H
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "GeneratorInterface/Core/interface/BaseHadronizer.h"
#include "FWCore/ParameterSet/interface/FileInPath.h"
#include <map>
#include <string>
#include <vector>
#include <cmath>
namespace HepMC {
class GenEvent;
class GenParticle;
class GenVertex;
} // namespace HepMC
namespace CLHEP {
class HepRandomEngine;
}
extern "C" {
//iout,ievent,noutpart,impactpar,outpart,outpx,outpy,outpz,oute,outm,outstat
void crmc_f_(int&, int&, int&, double&, int&, double&, double&, double&, double&, double&, int&);
//iEvent,iSeed,pproj,ptarg,ipart,itarg,imodel,itab,iout,output,param
void crmc_set_f_(int&, int&, double&, double&, int&, int&, int&, int&, int&, const char*, const char*);
//iEvent,iSeed,pproj,ptarg,ipart,itarg,imodel,itab,iout,output,param
void crmc_init_f_();
}
#define nmxhep 99990
extern "C" {
/* extern struct
{
int nevhep;
int nhep;
int isthep[nmxhep];
int idhep[nmxhep];
int jmohep[nmxhep][2];
int jdahep[nmxhep][2];
double phep[nmxhep][5];
double vhep[nmxhep][5];
} hepcom_; //epos.inc*/
extern struct {
float sigtot; // ........ total cross section
float sigcut;
float sigela;
float sloela;
float sigsd;
float sigine;
float sigdif;
float sigineaa;
float sigtotaa;
float sigelaaa;
float sigcutaa;
} hadr5_; //epos.inc
extern struct {
float phievt; // ........ angle of impact parameter
int nevt; // ........ error code. 1=valid event, 0=invalid event
float bimevt; // ........ absolute value of impact parameter
int kolevt; // ........ number of collisions
int koievt; // ........ number of inelastic collisions
float pmxevt; // ........ reference momentum
float egyevt; // ........ pp cm energy (hadron) or string energy (lepton)
int npjevt; // ........ number of primary projectile participants
int ntgevt; // ........ number of primary target participants
int npnevt; // ........ number of primary projectile neutron spectators
int nppevt; // ........ number of primary projectile proton spectators
int ntnevt; // ........ number of primary target neutron spectators
int ntpevt; // ........ number of primary target proton spectators
int jpnevt; // ........ number of absolute projectile neutron spectators
int jppevt; // ........ number of absolute projectile proton spectators
int jtnevt; // ........ number of absolute target neutron spectators
int jtpevt; // ........ number of absolute target proton spectators
float xbjevt; // ........ bjorken x for dis
float qsqevt; // ........ q**2 for dis
int nglevt; // ........ number of collisions acc to Glauber
float zppevt; // ........ average Z-parton-proj
float zptevt; // ........ average Z-parton-targ
int minfra; //
int maxfra; //
int kohevt; // ........ number of hard collisions
} cevt_; //epos.inc
extern struct {
int ng1evt; // ........ number of collisions acc to Glauber
int ng2evt; // ........ number of Glauber participants with at least two IAs
float rglevt; // ........
float sglevt; // ........
float eglevt; // ........
float fglevt; // ........
int ikoevt; // ........ number of elementary parton-parton scatterings
float typevt; // ........ type of event (1=Non Diff, 2=Double Diff, 3=Single Diff)
} c2evt_; //epos.inc
extern struct {
float bmaxim;
float bminim;
float phimax;
float phimin;
} nucl2_; //epos.inc
}
extern "C" {
extern struct {
char fnch[500];
char fnhi[500];
char fndt[500];
char fnii[500];
char fnid[500];
char fnie[500];
char fnrj[500];
char fnmt[500];
char fngrv[500];
char fncp[500];
char fnnx[500];
char fncs[500];
char fndr[500];
char fnhpf[500];
} fname_; //epos.inc
extern struct {
int nfnch;
int nfnhi;
int nfndt;
int nfnii;
int nfnid;
int nfnie;
int nfnrj;
int nfnmt;
int nfngrv;
int nfncp;
int nfnnx;
int nfncs;
int nfndr;
int nfnhpf;
} nfname_; //epos.inc
extern struct {
char fndat[500];
char fnncs[500];
int ifdat;
int ifncs;
} qgsfname_; //epos-bas.f
extern struct {
int nfndat;
int nfnncs;
} qgsnfname_; //epos-bas.f
extern struct {
char fniidat[500];
char fniincs[500];
int ifiidat;
int ifiincs;
} qgsiifname_; //epos-bas.f
extern struct {
int nfniidat;
int nfniincs;
} qgsiinfname_; //epos-bas.f
}
namespace gen {
extern "C" {
float rangen_();
}
extern "C" {
double drangen_(int*);
}
class ReggeGribovPartonMCHadronizer : public BaseHadronizer {
public:
ReggeGribovPartonMCHadronizer(const edm::ParameterSet&);
~ReggeGribovPartonMCHadronizer() override;
bool generatePartonsAndHadronize();
bool hadronize();
bool decay();
bool residualDecay();
bool readSettings(int) { return true; }
bool initializeForExternalPartons() { return true; }
bool initializeForInternalPartons();
bool declareStableParticles(const std::vector<int>&);
bool declareSpecialSettings(const std::vector<std::string>&) { return true; }
bool initializeTablePaths();
void finalizeEvent();
void statistics();
const char* classname() const;
private:
void doSetRandomEngine(CLHEP::HepRandomEngine* v) override;
edm::ParameterSet pset_;
double m_BeamMomentum;
double m_TargetMomentum;
int m_BeamID;
int m_TargetID;
int m_HEModel;
double m_bMin;
double m_bMax;
edm::FileInPath m_ParamFileName;
bool m_SkipNuclFrag;
int m_NEvent;
int m_NParticles;
double m_ImpactParameter;
int m_PartID[nmxhep];
double m_PartPx[nmxhep];
double m_PartPy[nmxhep];
double m_PartPz[nmxhep];
double m_PartEnergy[nmxhep];
double m_PartMass[nmxhep];
int m_PartStatus[nmxhep];
bool m_IsInitialized;
};
} // namespace gen
#endif //ifndef REGGEGRIBOVPARTONMCHADRONIZER_H
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