ceph/src/boost/libs/type_traits/include/boost/type_traits/is_floating_point.hpp

   1 //  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000-2005.
   2 //  Use, modification and distribution are subject to the Boost Software License,
   3 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   4 //  http://www.boost.org/LICENSE_1_0.txt).
   5 //
   6 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
   7
   8 #ifndef BOOST_TYPE_TRAITS_IS_FLOATING_HPP_INCLUDED
   9 #define BOOST_TYPE_TRAITS_IS_FLOATING_HPP_INCLUDED
  10
  11 #include <boost/type_traits/integral_constant.hpp>
  12
  13 namespace boost {
  14
  15 //* is a type T a floating-point type described in the standard (3.9.1p8)
  16    template <class T> struct is_floating_point : public false_type{};
  17    template <class T> struct is_floating_point<const T> : public is_floating_point<T>{};
  18    template <class T> struct is_floating_point<volatile const T> : public is_floating_point<T>{};
  19    template <class T> struct is_floating_point<volatile T> : public is_floating_point<T>{};
  20    template<> struct is_floating_point<float> : public true_type{};
  21    template<> struct is_floating_point<double> : public true_type{};
  22    template<> struct is_floating_point<long double> : public true_type{};
  23
  24 #if defined(BOOST_HAS_FLOAT128)
  25    template<> struct is_floating_point<__float128> : public true_type{};
  26 #endif
  27
  28 } // namespace boost
  29
  30 #endif // BOOST_TYPE_TRAITS_IS_FLOAT_HPP_INCLUDED