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).
6 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
8 #ifndef BOOST_TT_IS_COMPLEX_HPP
9 #define BOOST_TT_IS_COMPLEX_HPP
11 #include <boost/config.hpp>
13 #include <boost/type_traits/integral_constant.hpp>
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{};
25 #endif //BOOST_TT_IS_COMPLEX_HPP