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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_floating_point_promotion_hpp_INCLUDED
- #define FILE_boost_type_traits_floating_point_promotion_hpp_INCLUDED
- #include <boost/config.hpp>
- namespace boost {
- template<class T> struct floating_point_promotion { typedef T type; };
- template<> struct floating_point_promotion<float> { typedef double type; };
- template<> struct floating_point_promotion<float const> { typedef double const type; };
- template<> struct floating_point_promotion<float volatile>{ typedef double volatile type; };
- template<> struct floating_point_promotion<float const volatile> { typedef double const volatile type; };
- #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
- template <class T> using floating_point_promotion_t = typename floating_point_promotion<T>::type;
- #endif
- }
- #endif // #ifndef FILE_boost_type_traits_floating_point_promotion_hpp_INCLUDED
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