ceph/src/boost/boost/align/detail/is_alignment_constant.hpp

   1 /*
   2 Copyright 2014 Glen Joseph Fernandes
   3 (glenjofe@gmail.com)
   4
   5 Distributed under the Boost Software License, Version 1.0.
   6 (http://www.boost.org/LICENSE_1_0.txt)
   7 */
   8 #ifndef BOOST_ALIGN_DETAIL_IS_ALIGNMENT_CONSTANT_HPP
   9 #define BOOST_ALIGN_DETAIL_IS_ALIGNMENT_CONSTANT_HPP
  10
  11 #include <boost/align/detail/integral_constant.hpp>
  12 #include <cstddef>
  13
  14 namespace boost {
  15 namespace alignment {
  16 namespace detail {
  17
  18 template<std::size_t N>
  19 struct is_alignment_constant
  20     : integral_constant<bool, (N > 0) && ((N & (N - 1)) == 0)> { };
  21
  22 } /* detail */
  23 } /* alignment */
  24 } /* boost */
  25
  26 #endif