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28 lines
844 B
C++
28 lines
844 B
C++
/*=============================================================================
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Copyright (c) 2011-2015 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_BIT_MASKT1_HPP
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#define SPROUT_BIT_MASKT1_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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namespace sprout {
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//
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// maskt1
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//
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template<typename Integral>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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std::is_integral<Integral>::value,
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Integral
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>::type
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maskt1(Integral x) SPROUT_NOEXCEPT {
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return ~(~x | (x + 1));
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_BIT_MASKT1_HPP
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