liuxiaolong
2021-07-20 58d904a328c0d849769b483e901a0be9426b8209
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// Copyright 2005 Alexander Nasonov.
// 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)
 
#ifndef FILE_boost_type_traits_promote_hpp_INCLUDED
#define FILE_boost_type_traits_promote_hpp_INCLUDED
 
#include <boost/config.hpp>
#include <boost/type_traits/integral_promotion.hpp>
#include <boost/type_traits/floating_point_promotion.hpp>
 
namespace boost {
 
template<class T> struct promote : public integral_promotion<typename floating_point_promotion<T>::type>{};
 
#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
 
   template <class T> using promote_t = typename promote<T>::type;
 
#endif
 
}
 
#endif // #ifndef FILE_boost_type_traits_promote_hpp_INCLUDED