1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
//
// Copyright (C) 2018 James E. King III
//
// 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/core/lightweight_test.hpp"
#include "boost/cstdint.hpp"
#include "boost/dynamic_bitset/detail/lowest_bit.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();
}
|
