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Sprout/sprout/bit/rstbit.hpp
2014-04-05 10:27:27 +09:00

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/*=============================================================================
Copyright (c) 2011-2014 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_RSTBIT_HPP
#define SPROUT_BIT_RSTBIT_HPP
#include <type_traits>
#include <sprout/config.hpp>
namespace sprout {
//
// rstbit
//
template<typename Integral>
inline SPROUT_CONSTEXPR typename std::enable_if<
std::is_integral<Integral>::value,
Integral
>::type
rstbit(Integral x, int b) SPROUT_NOEXCEPT {
return x & ~(Integral(1) << b);
}
} // namespace sprout
#endif // #ifndef SPROUT_BIT_RSTBIT_HPP