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#ifndef BOOST_MPL_AUX_LARGEST_INT_HPP_INCLUDED
#define BOOST_MPL_AUX_LARGEST_INT_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2000-2004
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/if.hpp>
#include <boost/mpl/int.hpp>
#include <boost/mpl/aux_/config/integral.hpp>
#include <boost/config.hpp>
namespace boost { namespace mpl { namespace aux {
template< typename T > struct integral_rank;
template<> struct integral_rank<bool> : int_<1> {};
template<> struct integral_rank<signed char> : int_<2> {};
template<> struct integral_rank<char> : int_<3> {};
template<> struct integral_rank<unsigned char> : int_<4> {};
#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
template<> struct integral_rank<wchar_t> : int_<5> {};
#endif
template<> struct integral_rank<short> : int_<6> {};
template<> struct integral_rank<unsigned short> : int_<7> {};
template<> struct integral_rank<int> : int_<8> {};
template<> struct integral_rank<unsigned int> : int_<9> {};
template<> struct integral_rank<long> : int_<10> {};
template<> struct integral_rank<unsigned long> : int_<11> {};
#if defined(BOOST_HAS_LONG_LONG)
template<> struct integral_rank<long_long_type> : int_<12> {};
template<> struct integral_rank<ulong_long_type>: int_<13> {};
#endif
template< typename T1, typename T2 > struct largest_int
#if !defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC)
: if_c<
( integral_rank<T1>::value >= integral_rank<T2>::value )
, T1
, T2
>
{
#else
{
enum { rank1 = integral_rank<T1>::value };
enum { rank2 = integral_rank<T2>::value };
typedef typename if_c< (rank1 >= rank2),T1,T2 >::type type;
#endif
};
}}}
#endif // BOOST_MPL_AUX_LARGEST_INT_HPP_INCLUDED
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