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#ifndef BOOST_RATIO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP #define BOOST_RATIO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP // Copyright 2023 Peter Dimov // Distributed under the Boost Software License, Version 1.0. // https://www.boost.org/LICENSE_1_0.txt #include <type_traits> #include <cstdint> namespace boost { namespace ratio_detail { template<std::intmax_t A, std::intmax_t B> struct is_evenly_divisible_by_: std::integral_constant<bool, A % B == 0> { }; template<std::intmax_t A> struct is_evenly_divisible_by_<A, 0>: std::false_type { }; template<class R1, class R2> struct is_evenly_divisible_by: std::integral_constant<bool, is_evenly_divisible_by_<R1::num, R2::num>::value && is_evenly_divisible_by_<R2::den, R1::den>::value> { }; } // namespace ratio_detail } // namespace boost #endif // BOOST_RATIO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP