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NLOHepMC3File.h
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// -*- C++ -*-
#ifndef ThePEG_NLOHepMC3File_H
#define ThePEG_NLOHepMC3File_H
//
// This is the declaration of the NLOHepMC3File class.
//
#include "ThePEG/Handlers/AnalysisHandler.h"
#include "HepMC/IO/IO_Base.h"
#include "ThePEG/Config/HepMCHelper.h"
namespace ThePEG {
/**
* \author Simon Platzer
*
* \brief Write hard sub processes or sub process groups to HepMC.
*
*/
class NLOHepMC3File: public AnalysisHandler {
public:
/** @name Standard constructors and destructors. */
//@{
/**
* The default constructor.
*/
NLOHepMC3File();
/**
* The copy constructor.
*/
NLOHepMC3File(const NLOHepMC3File &);
/**
* The destructor.
*/
virtual ~NLOHepMC3File() {}
//@}
public:
/** @name Virtual functions required by the AnalysisHandler class. */
//@{
/**
* Analyze a given Event. Note that a fully generated event
* may be presented several times, if it has been manipulated in
* between. The default version of this function will call transform
* to make a lorentz transformation of the whole event, then extract
* all final state particles and call analyze(tPVector) of this
* analysis object and those of all associated analysis objects. The
* default version will not, however, do anything on events which
* have not been fully generated, or have been manipulated in any
* way.
* @param event pointer to the Event to be analyzed.
* @param ieve the event number.
* @param loop the number of times this event has been presented.
* If negative the event is now fully generated.
* @param state a number different from zero if the event has been
* manipulated in some way since it was last presented.
*/
virtual void analyze(tEventPtr event, long ieve, int loop, int state);
/**
* Produca a HepMC event for the given subprocess
*/
HepMC::GenEvent * makeEvent(tEventPtr event, tSubProPtr sub, long no,
Energy eUnit, Length lUnit,
CrossSection xsec, CrossSection xsecErr) const;
//@}
public:
/** @name Functions used by the persistent I/O system. */
//@{
/**
* Function used to write out object persistently.
* @param os the persistent output stream written to.
*/
void persistentOutput(PersistentOStream & os) const;
/**
* Function used to read in object persistently.
* @param is the persistent input stream read from.
* @param version the version number of the object when written.
*/
void persistentInput(PersistentIStream & is, int version);
//@}
/**
* The standard Init function used to initialize the interfaces.
* Called exactly once for each class by the class description system
* before the main function starts or
* when this class is dynamically loaded.
*/
static void Init();
protected:
/** @name Standard Interfaced functions. */
//@{
/**
* Initialize this object. Called in the run phase just before
* a run begins.
*/
virtual void doinitrun();
/**
* Finalize this object. Called in the run phase just after a
* run has ended. Used eg. to write out statistics.
*/
virtual void dofinish();
//@}
protected:
/** @name Clone Methods. */
//@{
/**
* Make a simple clone of this object.
* @return a pointer to the new object.
*/
virtual IBPtr clone() const;
/** Make a clone of this object, possibly modifying the cloned object
* to make it sane.
* @return a pointer to the new object.
*/
virtual IBPtr fullclone() const;
//@}
// If needed, insert declarations of virtual function defined in the
// InterfacedBase class here (using ThePEG-interfaced-decl in Emacs).
private:
/**
* The PDG ID to be used for remnants
*/
long _remnantId;
/**
* The HepMC filename
*/
string _filename;
/**
* The HepMC I/O handler
*/
HepMC::IO_Base *_hepmcio;
/**
* Selector for the choice of units
*/
int _unitchoice;
/**
* Choice of output precision in GenEvent format
*/
unsigned int _geneventPrecision;
/**
* Count events
*/
unsigned long _eventNumber;
private:
/**
* The assignment operator is private and must never be called.
* In fact, it should not even be implemented.
*/
NLOHepMC3File & operator=(const NLOHepMC3File &) = delete;
};
}
#endif /* ThePEG_NLOHepMC3File_H */

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