?????????? ????????? - ??????????????? - /usr/include/boost/histogram/detail/common_type.hpp
???????
// Copyright 2015-2018 Hans Dembinski // // 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) #ifndef BOOST_HISTOGRAM_DETAIL_COMMON_TYPE_HPP #define BOOST_HISTOGRAM_DETAIL_COMMON_TYPE_HPP #include <boost/histogram/detail/detect.hpp> #include <boost/histogram/fwd.hpp> #include <boost/mp11/list.hpp> #include <boost/mp11/utility.hpp> #include <tuple> #include <type_traits> namespace boost { namespace histogram { namespace detail { // clang-format off template <class T, class U> using common_axes = mp11::mp_cond< is_tuple<T>, T, is_tuple<U>, U, is_sequence_of_axis<T>, T, is_sequence_of_axis<U>, U, std::true_type, T >; // clang-format on // Non-PODs rank highest, then floats, than integers; types with more capacity are higher template <class Storage> constexpr std::size_t type_rank() { using T = typename Storage::value_type; return !std::is_arithmetic<T>::value * 10000 + std::is_floating_point<T>::value * 100 + 10 * sizeof(T) + 2 * is_array_like<Storage>::value + is_vector_like<Storage>::value; ; } template <class T, class U> using common_storage = mp11::mp_if_c<(type_rank<T>() >= type_rank<U>()), T, U>; } // namespace detail } // namespace histogram } // namespace boost #endif
| ver. 1.6 |
Github
|
.
| PHP 8.2.30 | ??????????? ?????????: 0 |
proxy
|
phpinfo
|
???????????