/usr/include/ThePEG/Cuts/JetFinder.h is in libthepeg-dev 1.8.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// JetFinder.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2007 Leif Lonnblad
// Copyright (C) 2009-2011 Simon Platzer
//
// ThePEG is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef THEPEG_JetFinder_H
#define THEPEG_JetFinder_H
//
// This is the declaration of the JetFinder class.
//
#include "ThePEG/Interface/Interfaced.h"
#include "ThePEG/PDT/MatcherBase.h"
#include "Cuts.fh"
namespace ThePEG {
/**
* JetFinder defines an interface to jet finders to be used when cuts
* should actually be defined on the level of reconstructed jets such
* as typically encountered in higher order corrections.
*
* @see \ref JetFinderInterfaces "The interfaces"
* defined for JetFinder.
*/
class JetFinder: public Interfaced {
public:
/** @name Standard constructors and destructors. */
//@{
/**
* The default constructor.
*/
JetFinder();
/**
* The destructor.
*/
virtual ~JetFinder();
//@}
public:
/**
* Perform jet clustering on the given outgoing particles.
* Optionally, information on the incoming particles is provided.
* Return true, if a clustering has been performed.
*/
virtual bool cluster(tcPDVector & ptype, vector<LorentzMomentum> & p,
tcCutsPtr parent, tcPDPtr t1 = tcPDPtr(),
tcPDPtr t2 = tcPDPtr()) const = 0;
/**
* Return the matcher for unresolved partons.
*/
Ptr<MatcherBase>::tptr unresolvedMatcher() const { return theUnresolvedMatcher; }
/**
* Set the minimum number of outgoing partons on which clustering
* should be performed.
*/
void minOutgoing(unsigned int n) { theMinOutgoing = n; }
/**
* Return the minimum number of outgoing partons on which clustering
* should be performed.
*/
unsigned int minOutgoing() const { return theMinOutgoing; }
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();
// If needed, insert declarations of virtual function defined in the
// InterfacedBase class here (using ThePEG-interfaced-decl in Emacs).
private:
/**
* A matcher for unresolved partons.
*/
Ptr<MatcherBase>::ptr theUnresolvedMatcher;
/**
* The minimum number of outgoing partons on which clustering
* should be performed.
*/
unsigned int theMinOutgoing;
/**
* The assignment operator is private and must never be called.
* In fact, it should not even be implemented.
*/
JetFinder & operator=(const JetFinder &);
};
}
#endif /* THEPEG_JetFinder_H */
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