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/********************* */
/*! \file ntuple.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2016 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Similar to std::pair<>, for triples and quadruples
**
** Similar to std::pair<>, for triples and quadruples. Once we move to c++0x, this
** can be removed in favor of (standard-provided) N-ary tuples.
**/
#include "cvc4_private.h"
#ifndef __CVC4__NTUPLE_H
#define __CVC4__NTUPLE_H
namespace CVC4 {
template <class T1, class T2, class T3>
class triple {
public:
T1 first;
T2 second;
T3 third;
triple() {}
triple(const T1& t1, const T2& t2, const T3& t3) :
first(t1),
second(t2),
third(t3) {
}
};/* class triple<> */
template <class T1, class T2, class T3>
inline triple<T1, T2, T3>
make_triple(const T1& t1, const T2& t2, const T3& t3) {
return triple<T1, T2, T3>(t1, t2, t3);
}/* make_triple() */
template <class T1, class T2, class T3, class T4>
class quad {
public:
T1 first;
T2 second;
T3 third;
T4 fourth;
quad() {}
quad(const T1& t1, const T2& t2, const T3& t3, const T4& t4) :
first(t1),
second(t2),
third(t3),
fourth(t4) {
}
};/* class quad<> */
template <class T1, class T2, class T3, class T4>
bool operator==(const quad<T1,T2,T3,T4>& x,
const quad<T1,T2,T3,T4>& y) {
return (x.first==y.first && x.second==y.second &&
x.third == y.third && x.fourth==y.fourth);
}
template <class T1, class T2, class T3, class T4>
bool operator<(const quad<T1,T2,T3,T4>& x,
const quad<T1,T2,T3,T4>& y) {
if(x.first< y.first) {
return true;
}
else if (x.first == y.first) {
if(x.second < y.second) {
return true;
}
else if(y.second == y.second) {
if(x.third < y.third) {
return true;
}
else if (x.fourth < y.fourth) {
return true;
}
}
}
return false;
}
template <class T1, class T2, class T3, class T4>
inline quad<T1, T2, T3, T4>
make_quad(const T1& t1, const T2& t2, const T3& t3, const T4& t4) {
return quad<T1, T2, T3, T4>(t1, t2, t3, t4);
}/* make_quad() */
}/* CVC4 namespace */
#endif /* __CVC4__NTUPLE_H */
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