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Sprout/sprout/bit/cntl0.hpp

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2014-03-31 05:58:24 +00:00
/*=============================================================================
2016-02-25 09:48:28 +00:00
Copyright (c) 2011-2016 Bolero MURAKAMI
2014-03-31 05:58:24 +00:00
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_BIT_CNTL0_HPP
#define SPROUT_BIT_CNTL0_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/bit/clz.hpp>
namespace sprout {
//
// cntl0
//
template<typename Integral>
inline SPROUT_CONSTEXPR typename std::enable_if<
std::is_integral<Integral>::value,
int
>::type
cntl0(Integral x) SPROUT_NOEXCEPT {
return sprout::clz(x);
}
} // namespace sprout
#endif // #ifndef SPROUT_BIT_CNTL0_HPP