ratio/test/ratio_detail/gcd_lcm.cpp
2023-10-13 06:32:55 +03:00

34 lines
1.2 KiB
C++

// Copyright 2023 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/ratio/detail/gcd_lcm.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <cstdint>
using boost::ratio_detail::gcd;
using boost::ratio_detail::lcm;
int main()
{
BOOST_TEST_EQ( (gcd<1, 1>::value), 1 );
BOOST_TEST_EQ( (gcd<1, -1>::value), 1 );
BOOST_TEST_EQ( (gcd<2, 2>::value), 2 );
BOOST_TEST_EQ( (gcd<-2, -2>::value), 2 );
BOOST_TEST_EQ( (gcd<INTMAX_MAX, INTMAX_MAX>::value), INTMAX_MAX );
BOOST_TEST_EQ( (gcd<INTMAX_MAX, -INTMAX_MAX>::value), INTMAX_MAX );
BOOST_TEST_EQ( (gcd<-INTMAX_MAX, -INTMAX_MAX>::value), INTMAX_MAX );
BOOST_TEST_EQ( (gcd<7*11, 11*13>::value), 11 );
BOOST_TEST_EQ( (lcm<1, 1>::value), 1 );
BOOST_TEST_EQ( (lcm<1, -1>::value), 1 );
BOOST_TEST_EQ( (lcm<2, 2>::value), 2 );
BOOST_TEST_EQ( (lcm<-2, -2>::value), 2 );
BOOST_TEST_EQ( (lcm<INTMAX_MAX, INTMAX_MAX>::value), INTMAX_MAX );
BOOST_TEST_EQ( (lcm<INTMAX_MAX, -INTMAX_MAX>::value), INTMAX_MAX );
BOOST_TEST_EQ( (lcm<-INTMAX_MAX, -INTMAX_MAX>::value), INTMAX_MAX );
BOOST_TEST_EQ( (lcm<7*11, 11*13>::value), 7*11*13 );
return boost::report_errors();
}