/usr/include/ThePEG/PDF/NoRemnants.h is in libthepeg-dev 1.8.0-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | // -*- C++ -*-
//
// NoRemnants.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2011 Leif Lonnblad
//
// 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_NoRemnants_H
#define ThePEG_NoRemnants_H
// This is the declaration of the NoRemnants class.
#include "ThePEG/PDF/RemnantHandler.h"
// #include "NoRemnants.fh"
// #include "NoRemnants.xh"
namespace ThePEG {
/**
* NoRemnants inherits from RemnantHandler but can only handle
* particles without sub-structure with the parton density given by a
* NoPDF object and will never give any remnants.
*
*
* @see RemnantHandler
* @see NoPDF
*
*/
class NoRemnants: public RemnantHandler {
public:
/** @name Virtual functions mandated by the RemnantHandler base class. */
//@{
/**
* Return true if this remnant handler can handle extracting all
* specified partons. The NoRemnants will return false if any
* partons are given.
*/
virtual bool canHandle(tcPDPtr, const cPDVector & partons) const {
return partons.empty();
}
/**
* Generate Remnants. Will not generate remnants and will throw a
* RemnantHandlerException if the extracted parton is not the
* incomining particle with x=1.
*/
virtual Lorentz5Momentum generate(PartonBinInstance & pb, const double * r,
Energy2 scale,
const LorentzMomentum & p,
bool fixedPartonMomentum = false) const;
/**
* Generate the momentum of the extracted parton with the \a parent
* momentum given by the last argument. If the \a scale is negative,
* it means that the doScale in the previous call to nDim() was
* true, otherwise the given \a scale should be the virtuality of
* the extracted parton. \a shat is the total invariant mass squared
* of the hard sub-system produced by the extracted parton and the
* primary parton entering from the other side. Generated quantities
* which are not returned in the momentum may be saved in the
* PartonBinInstance, \a pb, for later use. In particular, if the
* nDim() random numbers, \a r, are not enough to generate with
* weight one, the resulting weight should be stored with the
* remnantWeight() method of the parton bin.
*/
virtual Lorentz5Momentum generate(PartonBinInstance & pb, const double * r,
Energy2 scale, Energy2 shat,
const LorentzMomentum & parent,
bool fixedPartonMomentum = false) const;
//@}
public:
/**
* Standard Init function used to initialize the interface.
*/
static void Init();
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;
//@}
private:
/**
* Describe a concrete class without persistent data.
*/
static NoPIOClassDescription<NoRemnants> initNoRemnants;
/**
* Private and non-existent assignment operator.
*/
NoRemnants & operator=(const NoRemnants &);
};
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base classes of NoRemnants. */
template <>
struct BaseClassTrait<NoRemnants,1>: public ClassTraitsType {
/** Typedef of the first base class of NoRemnants. */
typedef RemnantHandler NthBase;
};
/** This template specialization informs ThePEG about the name of the
* NoRemnants class. */
template <>
struct ClassTraits<NoRemnants>: public ClassTraitsBase<NoRemnants> {
/** Return a platform-independent class name */
static string className() { return "ThePEG::NoRemnants"; }
};
/** @endcond */
}
#endif /* ThePEG_NoRemnants_H */
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