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- //
- // Copyright (C) 2018 James E. King III
- //
- // Permission to copy, use, modify, sell and distribute this software
- // is granted provided this copyright notice appears in all copies.
- // This software is provided "as is" without express or implied
- // warranty, and with no claim as to its suitability for any purpose.
- //
- // 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)
- //
- #include <boost/cstdint.hpp>
- #include <boost/dynamic_bitset/detail/lowest_bit.hpp>
- #include <boost/core/lightweight_test.hpp>
- int main(int, char*[])
- {
- for (boost::int32_t i = 1; i < 32; ++i) {
- BOOST_TEST_EQ(i, boost::detail::lowest_bit(1u << i));
- }
- BOOST_TEST_EQ(2, boost::detail::lowest_bit(123456788));
- BOOST_TEST_EQ(30, boost::detail::lowest_bit(static_cast<boost::int64_t>(1507208177123328)));
- return boost::report_errors();
- }
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