/usr/include/ThePEG/PDT/PID.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.
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 | // -*- C++ -*-
//
// PID.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_PID_H
#define ThePEG_PID_H
#include "EnumParticles.h"
namespace ThePEG {
/**
* PID is a helper class implementing the type of PDG particle ids. At
* the moment it just converts to a long, and other conversions are
* intercepted.
*
* @see ParticleData
*/
class PID {
public:
/**
* Generic construction is disallowed.
*/
template <typename T>
PID(T t) {
t.ERROR_only_use_long_as_Particle_ID_type();
}
/**
* Casting to generic types is disallowed.
*/
template <typename T>
operator T() const {
T t;
t.ERROR_only_use_long_as_Particle_ID_type();
return t;
}
/**
* The negation operator
*/
PID operator-() const;
private:
/**
* The particle id.
*/
long id;
};
/// Specialized constructor for 'long'
template <> inline PID::PID(long t) : id(t) {}
/// Specialized constructor for 'int'
template <> inline PID::PID(int t) : id(t) {}
/// Specialized constructor for Particle Code enum
template <> inline PID::PID(ParticleID::ParticleCodes t) : id(t) {}
/// Specialized cast for 'long'
template <> inline PID::operator long() const { return id; }
/**
* The negation operator
*/
inline PID PID::operator-() const {
return -id;
}
}
#endif /* ThePEG_PID_H */
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