boost/type_traits/promote.hpp

   1 // Copyright 2005 Alexander Nasonov.
   2 // Distributed under the Boost Software License, Version 1.0. (See
   3 // accompanying file LICENSE_1_0.txt or copy at
   4 // http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef FILE_boost_type_traits_promote_hpp_INCLUDED
   7 #define FILE_boost_type_traits_promote_hpp_INCLUDED
   8
   9 #include <boost/config.hpp>
  10 #include <boost/type_traits/integral_promotion.hpp>
  11 #include <boost/type_traits/floating_point_promotion.hpp>
  12
  13 // Should be the last #include
  14 #include <boost/type_traits/detail/type_trait_def.hpp>
  15
  16 namespace boost {
  17
  18 namespace detail {
  19
  20 template<class T>
  21 struct promote_impl
  22   : public integral_promotion<
  23         BOOST_DEDUCED_TYPENAME floating_point_promotion<T>::type
  24       >
  25 {
  26 };
  27
  28 }
  29
  30 BOOST_TT_AUX_TYPE_TRAIT_DEF1(
  31       promote
  32     , T
  33     , BOOST_DEDUCED_TYPENAME boost::detail::promote_impl<T>::type
  34     )
  35 }
  36
  37 #include <boost/type_traits/detail/type_trait_undef.hpp>
  38
  39 #endif // #ifndef FILE_boost_type_traits_promote_hpp_INCLUDED
  40