Triplet.h

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00001 // -*- C++ -*-
00002 
00008 #if !defined(__ads_Triplet_h__)
00009 #define __ads_Triplet_h__
00010 
00011 #include "../defs.h"
00012 
00013 BEGIN_NAMESPACE_ADS
00014 
00016 template<typename T1, typename T2, typename T3>
00017 struct Triplet {
00019   typedef T1 first_type;
00021   typedef T2 second_type;   
00023   typedef T3 third_type;   
00024 
00026   first_type first;
00028   second_type second;
00030   third_type third;
00031 
00033 
00036   Triplet() : 
00037     first(),
00038     second(),
00039     third()
00040   {}
00041   
00043   Triplet(const first_type& a, const second_type& b, const third_type& c) : 
00044     first(a), 
00045     second(b),
00046     third(c)
00047   {}
00048 
00050   template<typename U1, typename U2, typename U3>
00051   Triplet(const Triplet<U1,U2,U3>& x) : 
00052     first(x.first), 
00053     second(x.second),
00054     third(x.third)
00055   {}
00056 };
00057 
00059 template<typename T1, typename T2, typename T3>
00060 inline 
00061 bool
00062 operator==(const Triplet<T1,T2,T3>& x, const Triplet<T1,T2,T3>& y) { 
00063   return x.first == y.first && x.second == y.second && x.third == y.third; 
00064 }
00065 
00067 template<typename T1, typename T2, typename T3>
00068 inline 
00069 bool
00070 operator<(const Triplet<T1,T2,T3>& x, const Triplet<T1,T2,T3>& y) { 
00071   return x.first < y.first || 
00072     (! (y.first < x.first) && x.second < y.second) || 
00073     (! (y.first < x.first) && ! (y.second < x.second) && 
00074       x.third < y.third);
00075 }
00076 
00078 template<typename T1, typename T2, typename T3>
00079 inline 
00080 bool
00081 operator!=(const Triplet<T1,T2,T3>& x, const Triplet<T1,T2,T3>& y) { 
00082   return !(x == y); 
00083 }
00084 
00086 template<typename T1, typename T2, typename T3>
00087 inline 
00088 bool
00089 operator>(const Triplet<T1,T2,T3>& x, const Triplet<T1,T2,T3>& y) { 
00090   return y < x; 
00091 }
00092 
00094 template<typename T1, typename T2, typename T3>
00095 inline 
00096 bool
00097 operator<=(const Triplet<T1,T2,T3>& x, const Triplet<T1,T2,T3>& y) { 
00098   return !(y < x); 
00099 }
00100 
00102 template<typename T1, typename T2, typename T3>
00103 inline 
00104 bool
00105 operator>=(const Triplet<T1,T2,T3>& x, const Triplet<T1,T2,T3>& y) { 
00106   return !(x < y); 
00107 }
00108 
00110 
00117 template<typename T1, typename T2, typename T3>
00118 inline 
00119 Triplet<T1,T2,T3>
00120 makeTriplet(const T1& x, const T2& y, const T3& z) { 
00121   return Triplet<T1,T2,T3>(x, y, z); 
00122 }
00123 
00124 END_NAMESPACE_ADS
00125 
00126 #endif
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