Go to the documentation of this file.00001 #ifndef Triplet_H
00002 #define Triplet_H
00003
00008 template <class T1, class T2, class T3>
00009 struct Triplet {
00010 typedef T1 first_type;
00011 typedef T2 second_type;
00012 typedef T3 third_type;
00013
00014 T1 first;
00015 T2 second;
00016 T3 third;
00017 Triplet() : first(T1()), second(T2()), third(T3()) {}
00018 Triplet(const T1& a, const T2& b, const T3& c) :
00019 first(a), second(b), third(c) {}
00020
00021 template <class U1, class U2, class U3>
00022 Triplet(const Triplet<U1, U2, U3>& p) :
00023 first(p.first), second(p.second), third(p.third) {}
00024 };
00025
00026 template <class T1, class T2, class T3>
00027 inline bool operator==(const Triplet<T1, T2, T3>& x,
00028 const Triplet<T1, T2, T3>& y) {
00029 return x.first == y.first && x.second == y.second && x.third==y.third;
00030 }
00031
00032 template <class T1, class T2, class T3>
00033 inline bool operator<(const Triplet<T1, T2, T3>& x,
00034 const Triplet<T1, T2, T3>& y) {
00035 bool pair_less =
00036 x.first < y.first || (!(y.first < x.first) && x.second < y.second);
00037
00038 return pair_less ||
00039 (!(y.first < x.first) && !(y.second < x.second) && x.third < y.third);
00040 }
00041
00042 template <class T1, class T2, class T3>
00043 inline Triplet<T1, T2, T3> make_Triplet(const T1& x, const T2& y, const T3& z) {
00044 return Triplet<T1, T2, T3>(x, y, z);
00045 }
00046
00047 #endif
1.7.3