[ceph.git] / ceph / src / boost / libs / align / include / boost / align / detail / is_alignment.hpp

/*
(c) 2014 Glen Joseph Fernandes
<glenjofe -at- gmail.com>

Distributed under the Boost Software
License, Version 1.0.
http://boost.org/LICENSE_1_0.txt
*/
#ifndef BOOST_ALIGN_DETAIL_IS_ALIGNMENT_HPP
#define BOOST_ALIGN_DETAIL_IS_ALIGNMENT_HPP

#include <boost/config.hpp>
#include <cstddef>

namespace boost {
namespace alignment {
namespace detail {

BOOST_CONSTEXPR inline bool is_alignment(std::size_t value)
    BOOST_NOEXCEPT
{
    return (value > 0) && ((value & (value - 1)) == 0);
}

} /* .detail */
} /* .alignment */
} /* .boost */

#endif
Commit	Line	Data
7c673cae FG	1	/*
	2	(c) 2014 Glen Joseph Fernandes
	3	<glenjofe -at- gmail.com>
	4
	5	Distributed under the Boost Software
	6	License, Version 1.0.
	7	http://boost.org/LICENSE_1_0.txt
	8	*/
	9	#ifndef BOOST_ALIGN_DETAIL_IS_ALIGNMENT_HPP
	10	#define BOOST_ALIGN_DETAIL_IS_ALIGNMENT_HPP
	11
	12	#include <boost/config.hpp>
	13	#include <cstddef>
	14
	15	namespace boost {
	16	namespace alignment {
	17	namespace detail {
	18
	19	BOOST_CONSTEXPR inline bool is_alignment(std::size_t value)
	20	BOOST_NOEXCEPT
	21	{
	22	return (value > 0) && ((value & (value - 1)) == 0);
	23	}
	24
	25	} /* .detail */
	26	} /* .alignment */
	27	} /* .boost */
	28
	29	#endif