mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-23 21:25:49 +00:00
fix: index_tuple metafunctions as index_tuple aliases (if Template-aliases enabled)
This commit is contained in:
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57011669a0
commit
c71502f6b6
11 changed files with 111 additions and 45 deletions
17
sprout/detail/sizeof.hpp
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17
sprout/detail/sizeof.hpp
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@ -0,0 +1,17 @@
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#ifndef SPROUT_DETAIL_SIZEOF_HPP
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#define SPROUT_DETAIL_SIZEOF_HPP
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#include <cstddef>
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#include <type_traits>
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#include <sprout/config.hpp>
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namespace sprout {
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namespace detail {
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template<typename... Ts>
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struct sizeof_pack
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: public std::integral_constant<std::size_t, sizeof...(Ts)>
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{};
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} // namespace detail
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} // namespace sprout
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#endif // #ifndef SPROUT_DETAIL_SIZEOF_HPP
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@ -5,7 +5,6 @@
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#include <sprout/config.hpp>
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#include <sprout/index_tuple/index_tuple.hpp>
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#include <sprout/index_tuple/integer_n.hpp>
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#include <sprout/index_tuple/enable_make_indexes.hpp>
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namespace sprout {
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//
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@ -21,18 +20,14 @@ namespace sprout {
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#else // #if SPROUT_USE_TEMPLATE_ALIASES
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template<sprout::index_t I, std::size_t N>
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struct index_n
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: public sprout::enable_make_indexes<
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typename sprout::integer_n<sprout::index_t, I, N>::type
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: public typename sprout::integer_n<sprout::index_t, I, N>::type
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::template transfer<sprout::index_tuple<> >
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>
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{};
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template<sprout::uindex_t I, std::size_t N>
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struct uindex_n
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: public sprout::enable_make_indexes<
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typename sprout::integer_n<sprout::uindex_t, I, N>::type
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: public typename sprout::integer_n<sprout::uindex_t, I, N>::type
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::template transfer<sprout::uindex_tuple<> >
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>
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{};
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#endif // #if SPROUT_USE_TEMPLATE_ALIASES
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} // namespace sprout
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@ -4,7 +4,6 @@
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#include <sprout/config.hpp>
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#include <sprout/index_tuple/index_tuple.hpp>
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#include <sprout/index_tuple/integer_range.hpp>
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#include <sprout/index_tuple/enable_make_indexes.hpp>
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namespace sprout {
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//
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@ -29,10 +28,8 @@ namespace sprout {
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typename std::make_signed<sprout::index_t>::type Step = sprout::detail::integer_range_default_step<sprout::index_t, First, Last>::value
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>
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struct index_range
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: public sprout::enable_make_indexes<
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typename sprout::integer_range<sprout::index_t, First, Last, Step>::type
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: public typename sprout::integer_range<sprout::index_t, First, Last, Step>::type
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::template transfer<sprout::index_tuple<> >
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>
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{};
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template<
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@ -40,10 +37,8 @@ namespace sprout {
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typename std::make_signed<sprout::uindex_t>::type Step = sprout::detail::integer_range_default_step<sprout::uindex_t, First, Last>::value
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>
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struct uindex_range
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: public sprout::enable_make_indexes<
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typename sprout::integer_range<sprout::uindex_t, First, Last, Step>::type
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: public typename sprout::integer_range<sprout::uindex_t, First, Last, Step>::type
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::template transfer<sprout::uindex_tuple<> >
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>
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{};
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#endif // #if SPROUT_USE_TEMPLATE_ALIASES
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} // namespace sprout
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@ -8,10 +8,15 @@ namespace sprout {
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//
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// index_sequence_for
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//
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#if SPROUT_USE_TEMPLATE_ALIASES
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template<typename... Ts>
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using index_sequence_for = sprout::uindex_pack<Ts...>;
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#else // #if SPROUT_USE_TEMPLATE_ALIASES
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template<typename... Ts>
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struct index_sequence_for
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: public sprout::uindex_pack<Ts...>
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{};
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#endif // #if SPROUT_USE_TEMPLATE_ALIASES
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} // namespace sprout
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#endif // #ifndef SPROUT_INDEX_TUPLE_INDEX_SEQUENCE_FOR_HPP
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@ -27,6 +27,10 @@ namespace sprout {
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struct rebind
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: public index_tuple<J...>
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{};
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public:
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static SPROUT_CONSTEXPR type make() SPROUT_NOEXCEPT {
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return type();
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}
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};
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template<sprout::uindex_t... Indexes>
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@ -39,6 +43,10 @@ namespace sprout {
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struct rebind
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: public uindex_tuple<J...>
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{};
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public:
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static SPROUT_CONSTEXPR type make() SPROUT_NOEXCEPT {
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return type();
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}
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};
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#endif // #if SPROUT_USE_TEMPLATE_ALIASES
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} // namespace sprout
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@ -61,13 +61,26 @@ namespace sprout {
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I
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>
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{};
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} // namespace detail
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template<typename T, T I, std::size_t N>
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struct integer_n
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: public sprout::enable_make_indexes<
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sprout::detail::integer_n_impl<T, I, N>
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>
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{};
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} // namespace detail
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//
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// integer_range
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//
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#if SPROUT_USE_TEMPLATE_ALIASES
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template<typename T, T I, std::size_t N>
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using integer_n = typename sprout::detail::integer_n<T, I, N>::type;
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#else // #if SPROUT_USE_TEMPLATE_ALIASES
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template<typename T, T I, std::size_t N>
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struct integer_n
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: public sprout::detail::integer_n<T, I, N>
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{};
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#endif // #if SPROUT_USE_TEMPLATE_ALIASES
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} // namespace sprout
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#endif // #ifndef SPROUT_INDEX_TUPLE_INTEGER_N_HPP
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@ -2,16 +2,22 @@
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#define SPROUT_INDEX_TUPLE_INTEGER_PACK_HPP
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#include <sprout/config.hpp>
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#include <sprout/detail/sizeof.hpp>
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#include <sprout/index_tuple/make_integer_sequence.hpp>
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namespace sprout {
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//
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// integer_pack
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//
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#if SPROUT_USE_TEMPLATE_ALIASES
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template<typename T, typename... Ts>
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using integer_pack = sprout::make_integer_sequence<T, sprout::detail::sizeof_pack<Ts...>::value>;
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#else // #if SPROUT_USE_TEMPLATE_ALIASES
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template<typename T, typename... Ts>
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struct integer_pack
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: public sprout::make_integer_sequence<T, sizeof...(Ts)>
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{};
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#endif // #if SPROUT_USE_TEMPLATE_ALIASES
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} // namespace sprout
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#endif // #ifndef SPROUT_INDEX_TUPLE_INTEGER_PACK_HPP
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@ -30,64 +30,61 @@ namespace sprout {
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{};
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template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N, typename Enable = void>
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struct integer_range_impl;
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struct integer_range_dispatch;
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template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N>
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struct integer_range_impl<
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struct integer_range_dispatch<
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T, First, Step, N,
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typename std::enable_if<(N == 0)>::type
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>
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: public sprout::integer_sequence<T>
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{};
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template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N>
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struct integer_range_impl<
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struct integer_range_dispatch<
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T, First, Step, N,
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typename std::enable_if<(N == 1)>::type
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>
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: public sprout::integer_sequence<T, First>
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{};
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template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N>
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struct integer_range_impl<
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struct integer_range_dispatch<
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T, First, Step, N,
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typename std::enable_if<(N > 1 && N % 2 == 0)>::type
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>
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: public sprout::detail::integer_range_next_even<
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T, typename sprout::detail::integer_range_impl<T, First, Step, N / 2>::type,
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T, typename sprout::detail::integer_range_dispatch<T, First, Step, N / 2>::type,
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N / 2 * Step
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>
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{};
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template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N>
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struct integer_range_impl<
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struct integer_range_dispatch<
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T, First, Step, N,
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typename std::enable_if<(N > 1 && N % 2 == 1)>::type
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>
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: public sprout::detail::integer_range_next_odd<
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T, typename sprout::detail::integer_range_impl<T, First, Step, N / 2>::type,
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T, typename sprout::detail::integer_range_dispatch<T, First, Step, N / 2>::type,
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N / 2 * Step, First + (N - 1) * Step
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>
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{};
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template<typename T, T First, T Last, typename std::make_signed<T>::type Step, typename Enable = void>
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struct integer_range {};
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struct integer_range_impl {};
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template<typename T, T First, T Last, typename std::make_signed<T>::type Step>
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struct integer_range<
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struct integer_range_impl<
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T, First, Last, Step,
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typename std::enable_if<((First < Last && Step > 0) || (First > Last && Step < 0) || (First == Last))>::type
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>
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: public sprout::detail::integer_range_impl<
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: public sprout::detail::integer_range_dispatch<
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T, First, Step,
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(static_cast<typename std::make_signed<T>::type>(Last - First) + (Step > 0 ? Step - 1 : Step + 1)) / Step
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>
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{};
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} // namespace detail
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//
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// integer_range
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//
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template<
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typename T, T First, T Last,
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typename std::make_signed<T>::type Step = sprout::detail::integer_range_default_step<T, First, Last>::value
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typename std::make_signed<T>::type Step
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>
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struct integer_range
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: public sprout::enable_make_indexes<
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sprout::detail::integer_range<T, First, Last, Step>
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sprout::detail::integer_range_impl<T, First, Last, Step>
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>
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{
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static_assert(
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"(First < Last && Step > 0) || (First > Last && Step < 0) || (First == Last)"
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);
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};
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} // namespace detail
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//
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// integer_range
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//
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#if SPROUT_USE_TEMPLATE_ALIASES
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template<
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typename T, T First, T Last,
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typename std::make_signed<T>::type Step = sprout::detail::integer_range_default_step<T, First, Last>::value
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>
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using integer_range = typename sprout::detail::integer_range<T, First, Last, Step>::type;
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#else // #if SPROUT_USE_TEMPLATE_ALIASES
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template<
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typename T, T First, T Last,
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typename std::make_signed<T>::type Step = sprout::detail::integer_range_default_step<T, First, Last>::value
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>
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struct integer_range
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: public sprout::detail::integer_range<T, First, Last, Step>
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{};
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#endif // #if SPROUT_USE_TEMPLATE_ALIASES
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} // namespace sprout
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#endif // #ifndef SPROUT_INDEX_TUPLE_INTEGER_RANGE_HPP
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@ -16,6 +16,10 @@ namespace sprout {
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struct rebind
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: public integer_sequence<T, J...>
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{};
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public:
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static SPROUT_CONSTEXPR type make() SPROUT_NOEXCEPT {
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return type();
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}
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public:
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typedef T value_type;
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template<typename Seq>
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public:
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SPROUT_STATIC_CONSTEXPR std::size_t static_size = sizeof...(Is);
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public:
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static SPROUT_CONSTEXPR size_t size() noexcept {
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static SPROUT_CONSTEXPR size_t size() SPROUT_NOEXCEPT {
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return static_size;
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}
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};
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@ -9,10 +9,15 @@ namespace sprout {
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//
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// make_index_sequence
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//
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#if SPROUT_USE_TEMPLATE_ALIASES
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template<sprout::uindex_t N>
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using make_index_sequence = sprout::make_uindex_tuple<N>;
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#else // #if SPROUT_USE_TEMPLATE_ALIASES
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template<sprout::uindex_t N>
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struct make_index_sequence
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: public sprout::make_uindex_tuple<N>
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{};
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#endif // #if SPROUT_USE_TEMPLATE_ALIASES
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} // namespace sprout
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#endif // #ifndef SPROUT_INDEX_TUPLE_MAKE_INDEX_SEQUENCE_HPP
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@ -3,18 +3,20 @@
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#include <sprout/config.hpp>
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#include <sprout/index_tuple/integer_range.hpp>
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#include <sprout/index_tuple/enable_make_indexes.hpp>
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namespace sprout {
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//
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// make_integer_sequence
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//
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#if SPROUT_USE_TEMPLATE_ALIASES
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template<typename T, T N>
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using make_integer_sequence = sprout::integer_range<T, 0, N>;
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#else // #if SPROUT_USE_TEMPLATE_ALIASES
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template<typename T, T N>
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struct make_integer_sequence
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: public sprout::enable_make_indexes<
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sprout::integer_range<T, 0, N>
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>
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: public sprout::integer_range<T, 0, N>
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{};
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#endif // #if SPROUT_USE_TEMPLATE_ALIASES
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} // namespace sprout
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#endif // #ifndef SPROUT_INDEX_TUPLE_MAKE_INTEGER_SEQUENCE_HPP
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