ceph/src/boost/boost/type_traits/is_complex.hpp

   1 //  (C) Copyright John Maddock 2007.
   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_TT_IS_COMPLEX_HPP
   9 #define BOOST_TT_IS_COMPLEX_HPP
  10
  11 #include <boost/config.hpp>
  12 #include <complex>
  13 #include <boost/type_traits/integral_constant.hpp>
  14
  15 namespace boost {
  16
  17    template <class T> struct is_complex : public false_type {};
  18    template <class T> struct is_complex<const T > : public is_complex<T>{};
  19    template <class T> struct is_complex<volatile const T > : public is_complex<T>{};
  20    template <class T> struct is_complex<volatile T > : public is_complex<T>{};
  21    template <class T> struct is_complex<std::complex<T> > : public true_type{};
  22
  23 } // namespace boost
  24
  25 #endif //BOOST_TT_IS_COMPLEX_HPP