mirror of https://github.com/CGAL/cgal
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
// ============================================================================
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//
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// Copyright (c) 1999 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// ----------------------------------------------------------------------------
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//
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// release :
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// release_date :
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//
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// file : include/CGAL/triple.h
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// revision : $Revision$
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// author(s) : Monique Teillaud <Monique.Teillaud@sophia.inria.fr>
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//
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// coordinator : INRIA Sophia Antipolis (<Mariette.Yvinec@sophia.inria.fr>)
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//
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// ============================================================================
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#ifndef CGAL_TRIPLE_H
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#define CGAL_TRIPLE_H
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#include <CGAL/basic.h>
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CGAL_BEGIN_NAMESPACE
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template <class T1, class T2, class T3>
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struct triple
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{
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T1 first;
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T2 second;
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T3 third;
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triple() {}
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triple(const T1& a, const T2& b, const T3& c)
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: first(a), second(b), third(c)
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{}
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};
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template <class T1, class T2, class T3>
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inline
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triple<T1, T2, T3> make_triple(const T1& x, const T2& y, const T3& z)
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{
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return triple<T1, T2, T3>(x, y, z);
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}
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template <class T1, class T2, class T3>
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inline bool operator==(const triple<T1, T2, T3>& x,
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const triple<T1, T2, T3>& y)
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{
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return ( (x.first == y.first) &&
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(x.second == y.second) &&
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(x.third == y.third) );
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}
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template <class T1, class T2, class T3>
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inline
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bool operator<(const triple<T1, T2, T3>& x,
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const triple<T1, T2, T3>& y)
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{
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return ( x.first < y.first ||
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( (x.first == y.first) && (x.second < y.second) ) ||
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( (x.first == y.first) && (x.second == y.second) &&
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(x.third < y.third) ) );
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_TRIPLE_H
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