Added boost header
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155
test/external/boost/container/detail/mpl.hpp
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155
test/external/boost/container/detail/mpl.hpp
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2011.
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_CONTAINERS_CONTAINER_DETAIL_MPL_HPP
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#define BOOST_CONTAINERS_CONTAINER_DETAIL_MPL_HPP
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#if (defined _MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif
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#include <cstddef>
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namespace boost {
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namespace container {
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namespace containers_detail {
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template <class T, T val>
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struct integral_constant
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{
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static const T value = val;
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typedef integral_constant<T,val> type;
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};
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template< bool C_ >
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struct bool_ : integral_constant<bool, C_>
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{
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static const bool value = C_;
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};
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typedef bool_<true> true_;
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typedef bool_<false> false_;
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typedef true_ true_type;
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typedef false_ false_type;
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typedef char yes_type;
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struct no_type
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{
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char padding[8];
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};
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template <bool B, class T = void>
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struct enable_if_c {
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typedef T type;
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};
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template <class T>
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struct enable_if_c<false, T> {};
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template <class Cond, class T = void>
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struct enable_if : public enable_if_c<Cond::value, T> {};
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template <class Cond, class T = void>
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struct disable_if : public enable_if_c<!Cond::value, T> {};
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template <bool B, class T = void>
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struct disable_if_c : public enable_if_c<!B, T> {};
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template <class T, class U>
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class is_convertible
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{
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typedef char true_t;
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class false_t { char dummy[2]; };
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static true_t dispatch(U);
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static false_t dispatch(...);
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static T trigger();
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public:
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enum { value = sizeof(dispatch(trigger())) == sizeof(true_t) };
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};
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template<
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bool C
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, typename T1
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, typename T2
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>
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struct if_c
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{
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typedef T1 type;
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};
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template<
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typename T1
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, typename T2
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>
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struct if_c<false,T1,T2>
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{
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typedef T2 type;
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};
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template<
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typename T1
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, typename T2
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, typename T3
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>
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struct if_
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{
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typedef typename if_c<0 != T1::value, T2, T3>::type type;
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};
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template <class Pair>
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struct select1st
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// : public std::unary_function<Pair, typename Pair::first_type>
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{
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template<class OtherPair>
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const typename Pair::first_type& operator()(const OtherPair& x) const
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{ return x.first; }
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const typename Pair::first_type& operator()(const typename Pair::first_type& x) const
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{ return x; }
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};
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// identity is an extension: it is not part of the standard.
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template <class T>
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struct identity
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// : public std::unary_function<T,T>
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{
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typedef T type;
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const T& operator()(const T& x) const
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{ return x; }
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};
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template<std::size_t S>
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struct ls_zeros
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{
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static const std::size_t value = (S & std::size_t(1)) ? 0 : (1u + ls_zeros<(S >> 1u)>::value);
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};
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template<>
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struct ls_zeros<0>
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{
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static const std::size_t value = 0;
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};
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template<>
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struct ls_zeros<1>
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{
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static const std::size_t value = 0;
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};
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} //namespace containers_detail {
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} //namespace container {
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} //namespace boost {
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#endif //#ifndef BOOST_CONTAINERS_CONTAINER_DETAIL_MPL_HPP
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