/usr/include/ThePEG/Utilities/Triplet.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 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | // -*- C++ -*-
//
// Triplet.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_Triplet_H
#define ThePEG_Triplet_H
#include "ThePEG/Config/ThePEG.h"
namespace ThePEG {
/**
* The Triplet class represents a general triplet of objects
* completely analogous to <code>std::pair</code>.
*/
template <typename T1, typename T2, typename T3>
struct Triplet {
/** The type of the first member. */
typedef T1 first_type;
/** The type of the second member. */
typedef T2 second_type;
/** The type of the third member. */
typedef T3 third_type;
/** The first member. */
T1 first;
/** The second member. */
T2 second;
/** The third member. */
T3 third;
/** Default construcotr. */
Triplet() : first(T1()), second(T2()), third(T3()) {}
/** Constructor specifying the three members. */
Triplet(const T1 & t1, const T2 & t2, const T3 & t3)
: first(t1), second(t2), third(t3) {}
/** Copy constructor. */
Triplet(const Triplet<T1,T2,T3> & t)
: first(t.first), second(t.second), third(t.third) {}
/** Copy constructor from other Triplet type. */
template <typename U1, typename U2, typename U3>
Triplet(const Triplet<U1,U2,U3> & u)
: first(u.first), second(u.second), third(u.third) {}
/** Test for equality. */
bool operator==(const Triplet<T1,T2,T3> & t) const {
return first == t.first && second == t.second && third == t.third;
}
/** Test for ordering.
* @return <code>first < t.first || ( * !(t.first < first) && (
* second < t.second || ( !(t.second < second) && third < t.third
* )))</code> */
bool operator<(const Triplet<T1,T2,T3> & t) const {
return first < t.first ||
( !(t.first < first) &&
( second < t.second ||
( !(t.second < second) && third < t.third )));
}
};
/** Helper function returning a Triplet with template parameters
* determined by the arguments. */
template <typename T1, typename T2, typename T3>
inline Triplet<T1,T2,T3>
makeTriplet (const T1 & t1, const T2 & t2, const T3 & t3)
{
return Triplet<T1,T2,T3>(t1, t2, t3);
}
/** Output a Triplet to a stream. */
template <typename OStream, typename T1, typename T2, typename T3>
OStream & operator<<(OStream & os, const Triplet<T1,T2,T3> & t) {
return os << t.first << t.second << t.third;
}
/** Input a Triplet from a stream. */
template <typename IStream, typename T1, typename T2, typename T3>
IStream & operator>>(IStream & is, Triplet<T1,T2,T3> & t) {
return is >> t.first >> t.second >> t.third;
}
}
#endif /* ThePEG_Triplet_H */
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