/usr/include/ThePEG/PDF/NoPDF.h is in libthepeg-dev 1.8.0-1.1.
This file is owned by root:root, with mode 0o644.
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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 | // -*- C++ -*-
//
// NoPDF.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_NoPDF_H
#define ThePEG_NoPDF_H
// This is the declaration of the NoPDF class.
#include "ThePEG/PDF/PDFBase.h"
// #include "NoPDF.fh"
// #include "NoPDF.xh"
namespace ThePEG {
/**
* NoPDF inherits from PDFBase and represents particles without
* sub-structure. The only parton which can be extracted is the
* incoming particle itself with a momentum distribution which is a
* delta-function at \f$x=1\f$ (\f$l=0\f$).
*
* @see PDFBase
* @see NoRemnants
*
*/
class NoPDF: public PDFBase {
public:
/** @name Virtual functions mandated by the PDFBase base class. */
//@{
/**
* Return true because we can handle any particle.
*/
virtual bool canHandleParticle(tcPDPtr particle) const;
/**
* Return true if canHandleParticle() and if the corresponding
* method for remnantHandler() returns true.
*/
virtual bool canHandle(tcPDPtr particle) const;
/**
* Return true if this PDF has a pole at $x=1$ for the given \a
* particle and \a parton. This default version of the function
* returns true if \a particle and \a parton is the same.
*/
virtual bool hasPoleIn1(tcPDPtr particle, tcPDPtr parton) const;
/**
* Simply return the particle.
*/
virtual cPDVector partons(tcPDPtr p) const;
/**
* The delta function.
*/
virtual double xfl(tcPDPtr particle, tcPDPtr parton, Energy2 partonScale,
double l, Energy2 particleScale = ZERO) 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<NoPDF> initNoPDF;
/**
* Private and non-existent assignment operator.
*/
NoPDF & operator=(const NoPDF &);
};
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the base classes
* of NoPDF. */
template <>
struct BaseClassTrait<NoPDF,1>: public ClassTraitsType {
/** Typedef of the first base class of NoPDF. */
typedef PDFBase NthBase;
};
/** This template specialization informs ThePEG about the name of the
* NoPDF class. */
template <>
struct ClassTraits<NoPDF>: public ClassTraitsBase<NoPDF> {
/** Return a platform-independent class name */
static string className() { return "ThePEG::NoPDF"; }
};
/** @endcond */
}
#endif /* ThePEG_NoPDF_H */
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