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Sprout/sprout/bit/cntl0.hpp
2015-01-10 19:13:57 +09:00

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/*=============================================================================
Copyright (c) 2011-2015 Bolero MURAKAMI
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