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/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2011 by The University of Queensland //
// Earth Systems Science Computational Centre (ESSCC) //
// http://www.uq.edu.au/esscc //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.opensource.org/licenses/osl-3.0.php //
// //
/////////////////////////////////////////////////////////////
#ifndef ESYS_LSMFUNCTIONAL_H
#define ESYS_LSMFUNCTIONAL_H
#if HAVE_CONFIG_H
#include "config.h"
#endif
#if HAVE_EXT_FUNCTIONAL
#include <ext/functional>
#endif
#if HAVE_FUNCTIONAL
#include <functional>
#endif
#if HAVE_STD__SELECT1ST_PAIR_
namespace ext {
template <class _Pair> struct select1st
: public std::select1st<_Pair> {};
}
#elif HAVE___GNU_CXX__SELECT1ST_PAIR_
namespace ext {
template <class _Pair> struct select1st
: public __gnu_cxx::select1st<_Pair> {};
}
#elif !HAVE_EXT__SELECT1ST_PAIR_
namespace ext
{
template <class _Pair>
struct select1st
: public std::unary_function<_Pair, typename _Pair::first_type>
{
typename _Pair::first_type&
operator()(_Pair& __x) const
{ return __x.first; }
const typename _Pair::first_type&
operator()(const _Pair& __x) const
{ return __x.first; }
};
}
#endif
#if HAVE_STD__SELECT2ND_PAIR_
namespace ext {
template <class _Pair> struct select2nd
: public std::select2nd<_Pair> {};
}
#elif HAVE___GNU_CXX__SELECT2ND_PAIR_
namespace ext {
template <class _Pair> struct select2nd
: public __gnu_cxx::select2nd<_Pair> {};
}
#elif !HAVE_EXT__SELECT2ND_PAIR_
namespace ext
{
template <class _Pair>
struct select2nd
: public std::unary_function<_Pair, typename _Pair::second_type>
{
typename _Pair::second_type&
operator()(_Pair& __x) const
{ return __x.second; }
const typename _Pair::second_type&
operator()(const _Pair& __x) const
{ return __x.second; }
};
}
#endif
#endif
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