forked from OSchip/llvm-project
[libc++][modularisation] Split <compare> into internal headers.
Differential Revision: https://reviews.llvm.org/D106107
This commit is contained in:
Ruslan Arutyunyan
Arthur O'Dwyer
parent
20c6ddc5bc
commit
61c35fb0c2
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@ -97,6 +97,8 @@ set(files
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__bits
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__bsd_locale_defaults.h
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__bsd_locale_fallbacks.h
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__compare/common_comparison_category.h
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__compare/ordering.h
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__config
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__debug
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__errc
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@ -0,0 +1,92 @@
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___COMPARE_COMMON_COMPARISON_CATEGORY_H
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#define _LIBCPP___COMPARE_COMMON_COMPARISON_CATEGORY_H
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#include <__compare/ordering.h>
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#include <__config>
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#include <type_traits>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
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namespace __comp_detail {
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enum _ClassifyCompCategory : unsigned {
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_None,
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_PartialOrd,
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_WeakOrd,
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_StrongOrd,
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_CCC_Size
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};
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template <class _Tp>
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_LIBCPP_INLINE_VISIBILITY
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constexpr _ClassifyCompCategory __type_to_enum() noexcept {
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if (is_same_v<_Tp, partial_ordering>)
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return _PartialOrd;
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if (is_same_v<_Tp, weak_ordering>)
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return _WeakOrd;
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if (is_same_v<_Tp, strong_ordering>)
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return _StrongOrd;
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return _None;
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}
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template <size_t _Size>
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constexpr _ClassifyCompCategory
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__compute_comp_type(const _ClassifyCompCategory (&__types)[_Size]) {
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int __seen[_CCC_Size] = {};
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for (auto __type : __types)
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++__seen[__type];
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if (__seen[_None])
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return _None;
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if (__seen[_PartialOrd])
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return _PartialOrd;
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if (__seen[_WeakOrd])
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return _WeakOrd;
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return _StrongOrd;
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}
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template <class ..._Ts, bool _False = false>
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constexpr auto __get_comp_type() {
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using _CCC = _ClassifyCompCategory;
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constexpr _CCC __type_kinds[] = {_StrongOrd, __type_to_enum<_Ts>()...};
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constexpr _CCC _Cat = __compute_comp_type(__type_kinds);
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if constexpr (_Cat == _None)
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return void();
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else if constexpr (_Cat == _PartialOrd)
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return partial_ordering::equivalent;
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else if constexpr (_Cat == _WeakOrd)
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return weak_ordering::equivalent;
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else if constexpr (_Cat == _StrongOrd)
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return strong_ordering::equivalent;
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else
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static_assert(_False, "unhandled case");
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}
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} // namespace __comp_detail
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// [cmp.common], common comparison category type
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template<class... _Ts>
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struct _LIBCPP_TEMPLATE_VIS common_comparison_category {
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using type = decltype(__comp_detail::__get_comp_type<_Ts...>());
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};
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template<class... _Ts>
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using common_comparison_category_t = typename common_comparison_category<_Ts...>::type;
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#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___COMPARE_COMMON_COMPARISON_CATEGORY_H
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@ -0,0 +1,309 @@
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___COMPARE_ORDERING_H
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#define _LIBCPP___COMPARE_ORDERING_H
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#include <__config>
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#include <type_traits>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
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// exposition only
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enum class _LIBCPP_ENUM_VIS _EqResult : unsigned char {
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__zero = 0,
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__equal = __zero,
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__equiv = __equal,
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__nonequal = 1,
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__nonequiv = __nonequal
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};
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enum class _LIBCPP_ENUM_VIS _OrdResult : signed char {
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__less = -1,
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__greater = 1
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};
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enum class _LIBCPP_ENUM_VIS _NCmpResult : signed char {
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__unordered = -127
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};
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class partial_ordering;
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class weak_ordering;
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class strong_ordering;
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template<class _Tp, class... _Args>
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inline constexpr bool __one_of_v = (is_same_v<_Tp, _Args> || ...);
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struct _CmpUnspecifiedParam {
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEVAL
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_CmpUnspecifiedParam(int _CmpUnspecifiedParam::*) noexcept {}
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template<class _Tp, class = enable_if_t<!__one_of_v<_Tp, int, partial_ordering, weak_ordering, strong_ordering>>>
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_CmpUnspecifiedParam(_Tp) = delete;
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};
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class partial_ordering {
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using _ValueT = signed char;
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_LIBCPP_INLINE_VISIBILITY
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explicit constexpr partial_ordering(_EqResult __v) noexcept
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: __value_(_ValueT(__v)) {}
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_LIBCPP_INLINE_VISIBILITY
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explicit constexpr partial_ordering(_OrdResult __v) noexcept
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: __value_(_ValueT(__v)) {}
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_LIBCPP_INLINE_VISIBILITY
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explicit constexpr partial_ordering(_NCmpResult __v) noexcept
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: __value_(_ValueT(__v)) {}
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constexpr bool __is_ordered() const noexcept {
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return __value_ != _ValueT(_NCmpResult::__unordered);
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}
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public:
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// valid values
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static const partial_ordering less;
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static const partial_ordering equivalent;
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static const partial_ordering greater;
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static const partial_ordering unordered;
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// comparisons
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(partial_ordering, partial_ordering) noexcept = default;
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(partial_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__is_ordered() && __v.__value_ == 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (partial_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__is_ordered() && __v.__value_ < 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(partial_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__is_ordered() && __v.__value_ <= 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (partial_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__is_ordered() && __v.__value_ > 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(partial_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__is_ordered() && __v.__value_ >= 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (_CmpUnspecifiedParam, partial_ordering __v) noexcept {
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return __v.__is_ordered() && 0 < __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(_CmpUnspecifiedParam, partial_ordering __v) noexcept {
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return __v.__is_ordered() && 0 <= __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (_CmpUnspecifiedParam, partial_ordering __v) noexcept {
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return __v.__is_ordered() && 0 > __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(_CmpUnspecifiedParam, partial_ordering __v) noexcept {
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return __v.__is_ordered() && 0 >= __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr partial_ordering operator<=>(partial_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr partial_ordering operator<=>(_CmpUnspecifiedParam, partial_ordering __v) noexcept {
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return __v < 0 ? partial_ordering::greater : (__v > 0 ? partial_ordering::less : __v);
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}
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private:
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_ValueT __value_;
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};
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_LIBCPP_INLINE_VAR constexpr partial_ordering partial_ordering::less(_OrdResult::__less);
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_LIBCPP_INLINE_VAR constexpr partial_ordering partial_ordering::equivalent(_EqResult::__equiv);
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_LIBCPP_INLINE_VAR constexpr partial_ordering partial_ordering::greater(_OrdResult::__greater);
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_LIBCPP_INLINE_VAR constexpr partial_ordering partial_ordering::unordered(_NCmpResult ::__unordered);
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class weak_ordering {
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using _ValueT = signed char;
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_LIBCPP_INLINE_VISIBILITY
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explicit constexpr weak_ordering(_EqResult __v) noexcept : __value_(_ValueT(__v)) {}
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_LIBCPP_INLINE_VISIBILITY
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explicit constexpr weak_ordering(_OrdResult __v) noexcept : __value_(_ValueT(__v)) {}
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public:
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static const weak_ordering less;
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static const weak_ordering equivalent;
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static const weak_ordering greater;
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_LIBCPP_INLINE_VISIBILITY
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constexpr operator partial_ordering() const noexcept {
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return __value_ == 0 ? partial_ordering::equivalent
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: (__value_ < 0 ? partial_ordering::less : partial_ordering::greater);
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}
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// comparisons
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(weak_ordering, weak_ordering) noexcept = default;
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ == 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (weak_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ < 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ <= 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (weak_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ > 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ >= 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (_CmpUnspecifiedParam, weak_ordering __v) noexcept {
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return 0 < __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
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return 0 <= __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (_CmpUnspecifiedParam, weak_ordering __v) noexcept {
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return 0 > __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
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return 0 >= __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr weak_ordering operator<=>(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr weak_ordering operator<=>(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
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return __v < 0 ? weak_ordering::greater : (__v > 0 ? weak_ordering::less : __v);
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}
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private:
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_ValueT __value_;
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};
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_LIBCPP_INLINE_VAR constexpr weak_ordering weak_ordering::less(_OrdResult::__less);
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_LIBCPP_INLINE_VAR constexpr weak_ordering weak_ordering::equivalent(_EqResult::__equiv);
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_LIBCPP_INLINE_VAR constexpr weak_ordering weak_ordering::greater(_OrdResult::__greater);
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class strong_ordering {
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using _ValueT = signed char;
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_LIBCPP_INLINE_VISIBILITY
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explicit constexpr strong_ordering(_EqResult __v) noexcept : __value_(_ValueT(__v)) {}
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_LIBCPP_INLINE_VISIBILITY
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explicit constexpr strong_ordering(_OrdResult __v) noexcept : __value_(_ValueT(__v)) {}
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public:
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static const strong_ordering less;
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static const strong_ordering equal;
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static const strong_ordering equivalent;
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static const strong_ordering greater;
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// conversions
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_LIBCPP_INLINE_VISIBILITY
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constexpr operator partial_ordering() const noexcept {
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return __value_ == 0 ? partial_ordering::equivalent
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: (__value_ < 0 ? partial_ordering::less : partial_ordering::greater);
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}
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_LIBCPP_INLINE_VISIBILITY
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constexpr operator weak_ordering() const noexcept {
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return __value_ == 0 ? weak_ordering::equivalent
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: (__value_ < 0 ? weak_ordering::less : weak_ordering::greater);
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}
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// comparisons
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(strong_ordering, strong_ordering) noexcept = default;
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(strong_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ == 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (strong_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ < 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(strong_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ <= 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (strong_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ > 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(strong_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v.__value_ >= 0;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (_CmpUnspecifiedParam, strong_ordering __v) noexcept {
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return 0 < __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(_CmpUnspecifiedParam, strong_ordering __v) noexcept {
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return 0 <= __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (_CmpUnspecifiedParam, strong_ordering __v) noexcept {
|
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return 0 > __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(_CmpUnspecifiedParam, strong_ordering __v) noexcept {
|
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return 0 >= __v.__value_;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr strong_ordering operator<=>(strong_ordering __v, _CmpUnspecifiedParam) noexcept {
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return __v;
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}
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_LIBCPP_INLINE_VISIBILITY friend constexpr strong_ordering operator<=>(_CmpUnspecifiedParam, strong_ordering __v) noexcept {
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return __v < 0 ? strong_ordering::greater : (__v > 0 ? strong_ordering::less : __v);
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}
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private:
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_ValueT __value_;
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};
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_LIBCPP_INLINE_VAR constexpr strong_ordering strong_ordering::less(_OrdResult::__less);
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_LIBCPP_INLINE_VAR constexpr strong_ordering strong_ordering::equal(_EqResult::__equal);
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_LIBCPP_INLINE_VAR constexpr strong_ordering strong_ordering::equivalent(_EqResult::__equiv);
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_LIBCPP_INLINE_VAR constexpr strong_ordering strong_ordering::greater(_OrdResult::__greater);
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// named comparison functions
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_LIBCPP_INLINE_VISIBILITY
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constexpr bool is_lt(partial_ordering __cmp) noexcept { return __cmp < 0; }
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_LIBCPP_INLINE_VISIBILITY
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constexpr bool is_lteq(partial_ordering __cmp) noexcept { return __cmp <= 0; }
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_LIBCPP_INLINE_VISIBILITY
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constexpr bool is_gt(partial_ordering __cmp) noexcept { return __cmp > 0; }
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_LIBCPP_INLINE_VISIBILITY
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constexpr bool is_gteq(partial_ordering __cmp) noexcept { return __cmp >= 0; }
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#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___COMPARE_ORDERING_H
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@ -120,6 +120,8 @@ namespace std {
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}
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*/
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#include <__compare/common_comparison_category.h>
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#include <__compare/ordering.h>
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#include <__config>
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#include <type_traits>
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|
@ -130,351 +132,6 @@ namespace std {
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_LIBCPP_BEGIN_NAMESPACE_STD
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||||
|
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#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
|
||||
// exposition only
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||||
enum class _LIBCPP_ENUM_VIS _EqResult : unsigned char {
|
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__zero = 0,
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||||
__equal = __zero,
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||||
__equiv = __equal,
|
||||
__nonequal = 1,
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__nonequiv = __nonequal
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||||
};
|
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|
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enum class _LIBCPP_ENUM_VIS _OrdResult : signed char {
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||||
__less = -1,
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__greater = 1
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||||
};
|
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|
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enum class _LIBCPP_ENUM_VIS _NCmpResult : signed char {
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__unordered = -127
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};
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class partial_ordering;
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class weak_ordering;
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class strong_ordering;
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||||
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template<class _Tp, class... _Args>
|
||||
inline constexpr bool __one_of_v = (is_same_v<_Tp, _Args> || ...);
|
||||
|
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struct _CmpUnspecifiedParam {
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||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEVAL
|
||||
_CmpUnspecifiedParam(int _CmpUnspecifiedParam::*) noexcept {}
|
||||
|
||||
template<class _Tp, class = enable_if_t<!__one_of_v<_Tp, int, partial_ordering, weak_ordering, strong_ordering>>>
|
||||
_CmpUnspecifiedParam(_Tp) = delete;
|
||||
};
|
||||
|
||||
class partial_ordering {
|
||||
using _ValueT = signed char;
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
explicit constexpr partial_ordering(_EqResult __v) noexcept
|
||||
: __value_(_ValueT(__v)) {}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
explicit constexpr partial_ordering(_OrdResult __v) noexcept
|
||||
: __value_(_ValueT(__v)) {}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
explicit constexpr partial_ordering(_NCmpResult __v) noexcept
|
||||
: __value_(_ValueT(__v)) {}
|
||||
|
||||
constexpr bool __is_ordered() const noexcept {
|
||||
return __value_ != _ValueT(_NCmpResult::__unordered);
|
||||
}
|
||||
public:
|
||||
// valid values
|
||||
static const partial_ordering less;
|
||||
static const partial_ordering equivalent;
|
||||
static const partial_ordering greater;
|
||||
static const partial_ordering unordered;
|
||||
|
||||
// comparisons
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(partial_ordering, partial_ordering) noexcept = default;
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(partial_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__is_ordered() && __v.__value_ == 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (partial_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__is_ordered() && __v.__value_ < 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(partial_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__is_ordered() && __v.__value_ <= 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (partial_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__is_ordered() && __v.__value_ > 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(partial_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__is_ordered() && __v.__value_ >= 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (_CmpUnspecifiedParam, partial_ordering __v) noexcept {
|
||||
return __v.__is_ordered() && 0 < __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(_CmpUnspecifiedParam, partial_ordering __v) noexcept {
|
||||
return __v.__is_ordered() && 0 <= __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (_CmpUnspecifiedParam, partial_ordering __v) noexcept {
|
||||
return __v.__is_ordered() && 0 > __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(_CmpUnspecifiedParam, partial_ordering __v) noexcept {
|
||||
return __v.__is_ordered() && 0 >= __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr partial_ordering operator<=>(partial_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr partial_ordering operator<=>(_CmpUnspecifiedParam, partial_ordering __v) noexcept {
|
||||
return __v < 0 ? partial_ordering::greater : (__v > 0 ? partial_ordering::less : __v);
|
||||
}
|
||||
private:
|
||||
_ValueT __value_;
|
||||
};
|
||||
|
||||
_LIBCPP_INLINE_VAR constexpr partial_ordering partial_ordering::less(_OrdResult::__less);
|
||||
_LIBCPP_INLINE_VAR constexpr partial_ordering partial_ordering::equivalent(_EqResult::__equiv);
|
||||
_LIBCPP_INLINE_VAR constexpr partial_ordering partial_ordering::greater(_OrdResult::__greater);
|
||||
_LIBCPP_INLINE_VAR constexpr partial_ordering partial_ordering::unordered(_NCmpResult ::__unordered);
|
||||
|
||||
class weak_ordering {
|
||||
using _ValueT = signed char;
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
explicit constexpr weak_ordering(_EqResult __v) noexcept : __value_(_ValueT(__v)) {}
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
explicit constexpr weak_ordering(_OrdResult __v) noexcept : __value_(_ValueT(__v)) {}
|
||||
|
||||
public:
|
||||
static const weak_ordering less;
|
||||
static const weak_ordering equivalent;
|
||||
static const weak_ordering greater;
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
constexpr operator partial_ordering() const noexcept {
|
||||
return __value_ == 0 ? partial_ordering::equivalent
|
||||
: (__value_ < 0 ? partial_ordering::less : partial_ordering::greater);
|
||||
}
|
||||
|
||||
// comparisons
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(weak_ordering, weak_ordering) noexcept = default;
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ == 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (weak_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ < 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ <= 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (weak_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ > 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ >= 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (_CmpUnspecifiedParam, weak_ordering __v) noexcept {
|
||||
return 0 < __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
|
||||
return 0 <= __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (_CmpUnspecifiedParam, weak_ordering __v) noexcept {
|
||||
return 0 > __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
|
||||
return 0 >= __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr weak_ordering operator<=>(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr weak_ordering operator<=>(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
|
||||
return __v < 0 ? weak_ordering::greater : (__v > 0 ? weak_ordering::less : __v);
|
||||
}
|
||||
|
||||
private:
|
||||
_ValueT __value_;
|
||||
};
|
||||
|
||||
_LIBCPP_INLINE_VAR constexpr weak_ordering weak_ordering::less(_OrdResult::__less);
|
||||
_LIBCPP_INLINE_VAR constexpr weak_ordering weak_ordering::equivalent(_EqResult::__equiv);
|
||||
_LIBCPP_INLINE_VAR constexpr weak_ordering weak_ordering::greater(_OrdResult::__greater);
|
||||
class strong_ordering {
|
||||
using _ValueT = signed char;
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
explicit constexpr strong_ordering(_EqResult __v) noexcept : __value_(_ValueT(__v)) {}
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
explicit constexpr strong_ordering(_OrdResult __v) noexcept : __value_(_ValueT(__v)) {}
|
||||
|
||||
public:
|
||||
static const strong_ordering less;
|
||||
static const strong_ordering equal;
|
||||
static const strong_ordering equivalent;
|
||||
static const strong_ordering greater;
|
||||
|
||||
// conversions
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
constexpr operator partial_ordering() const noexcept {
|
||||
return __value_ == 0 ? partial_ordering::equivalent
|
||||
: (__value_ < 0 ? partial_ordering::less : partial_ordering::greater);
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
constexpr operator weak_ordering() const noexcept {
|
||||
return __value_ == 0 ? weak_ordering::equivalent
|
||||
: (__value_ < 0 ? weak_ordering::less : weak_ordering::greater);
|
||||
}
|
||||
|
||||
// comparisons
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(strong_ordering, strong_ordering) noexcept = default;
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator==(strong_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ == 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (strong_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ < 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(strong_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ <= 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (strong_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ > 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(strong_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v.__value_ >= 0;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator< (_CmpUnspecifiedParam, strong_ordering __v) noexcept {
|
||||
return 0 < __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator<=(_CmpUnspecifiedParam, strong_ordering __v) noexcept {
|
||||
return 0 <= __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator> (_CmpUnspecifiedParam, strong_ordering __v) noexcept {
|
||||
return 0 > __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr bool operator>=(_CmpUnspecifiedParam, strong_ordering __v) noexcept {
|
||||
return 0 >= __v.__value_;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr strong_ordering operator<=>(strong_ordering __v, _CmpUnspecifiedParam) noexcept {
|
||||
return __v;
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY friend constexpr strong_ordering operator<=>(_CmpUnspecifiedParam, strong_ordering __v) noexcept {
|
||||
return __v < 0 ? strong_ordering::greater : (__v > 0 ? strong_ordering::less : __v);
|
||||
}
|
||||
|
||||
private:
|
||||
_ValueT __value_;
|
||||
};
|
||||
|
||||
_LIBCPP_INLINE_VAR constexpr strong_ordering strong_ordering::less(_OrdResult::__less);
|
||||
_LIBCPP_INLINE_VAR constexpr strong_ordering strong_ordering::equal(_EqResult::__equal);
|
||||
_LIBCPP_INLINE_VAR constexpr strong_ordering strong_ordering::equivalent(_EqResult::__equiv);
|
||||
_LIBCPP_INLINE_VAR constexpr strong_ordering strong_ordering::greater(_OrdResult::__greater);
|
||||
|
||||
// named comparison functions
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
constexpr bool is_lt(partial_ordering __cmp) noexcept { return __cmp < 0; }
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
constexpr bool is_lteq(partial_ordering __cmp) noexcept { return __cmp <= 0; }
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
constexpr bool is_gt(partial_ordering __cmp) noexcept { return __cmp > 0; }
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
constexpr bool is_gteq(partial_ordering __cmp) noexcept { return __cmp >= 0; }
|
||||
|
||||
namespace __comp_detail {
|
||||
|
||||
enum _ClassifyCompCategory : unsigned{
|
||||
_None,
|
||||
_PartialOrd,
|
||||
_WeakOrd,
|
||||
_StrongOrd,
|
||||
_CCC_Size
|
||||
};
|
||||
|
||||
template <class _Tp>
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
constexpr _ClassifyCompCategory __type_to_enum() noexcept {
|
||||
if (is_same_v<_Tp, partial_ordering>)
|
||||
return _PartialOrd;
|
||||
if (is_same_v<_Tp, weak_ordering>)
|
||||
return _WeakOrd;
|
||||
if (is_same_v<_Tp, strong_ordering>)
|
||||
return _StrongOrd;
|
||||
return _None;
|
||||
}
|
||||
|
||||
template <size_t _Size>
|
||||
constexpr _ClassifyCompCategory
|
||||
__compute_comp_type(const _ClassifyCompCategory (&__types)[_Size]) {
|
||||
int __seen[_CCC_Size] = {};
|
||||
for (auto __type : __types)
|
||||
++__seen[__type];
|
||||
if (__seen[_None])
|
||||
return _None;
|
||||
if (__seen[_PartialOrd])
|
||||
return _PartialOrd;
|
||||
if (__seen[_WeakOrd])
|
||||
return _WeakOrd;
|
||||
return _StrongOrd;
|
||||
}
|
||||
|
||||
template <class ..._Ts, bool _False = false>
|
||||
constexpr auto __get_comp_type() {
|
||||
using _CCC = _ClassifyCompCategory;
|
||||
constexpr _CCC __type_kinds[] = {_StrongOrd, __type_to_enum<_Ts>()...};
|
||||
constexpr _CCC _Cat = __compute_comp_type(__type_kinds);
|
||||
if constexpr (_Cat == _None)
|
||||
return void();
|
||||
else if constexpr (_Cat == _PartialOrd)
|
||||
return partial_ordering::equivalent;
|
||||
else if constexpr (_Cat == _WeakOrd)
|
||||
return weak_ordering::equivalent;
|
||||
else if constexpr (_Cat == _StrongOrd)
|
||||
return strong_ordering::equivalent;
|
||||
else
|
||||
static_assert(_False, "unhandled case");
|
||||
}
|
||||
} // namespace __comp_detail
|
||||
|
||||
// [cmp.common], common comparison category type
|
||||
template<class... _Ts>
|
||||
struct _LIBCPP_TEMPLATE_VIS common_comparison_category {
|
||||
using type = decltype(__comp_detail::__get_comp_type<_Ts...>());
|
||||
};
|
||||
|
||||
template<class... _Ts>
|
||||
using common_comparison_category_t = typename common_comparison_category<_Ts...>::type;
|
||||
|
||||
// [cmp.alg], comparison algorithms
|
||||
// TODO: unimplemented
|
||||
|
|
|
|||
|
|
@ -358,6 +358,11 @@ module std [system] {
|
|||
module compare {
|
||||
header "compare"
|
||||
export *
|
||||
|
||||
module __compare {
|
||||
module common_comparison_category { private header "__compare/common_comparison_category.h" }
|
||||
module ordering { private header "__compare/ordering.h" }
|
||||
}
|
||||
}
|
||||
module complex {
|
||||
header "complex"
|
||||
|
|
|
|||
|
|
@ -0,0 +1,16 @@
|
|||
// -*- C++ -*-
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||||
// See https://llvm.org/LICENSE.txt for license information.
|
||||
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// REQUIRES: modules-build
|
||||
|
||||
// WARNING: This test was generated by 'generate_private_header_tests.py'
|
||||
// and should not be edited manually.
|
||||
|
||||
// expected-error@*:* {{use of private header from outside its module: '__compare/common_comparison_category.h'}}
|
||||
#include <__compare/common_comparison_category.h>
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
// -*- C++ -*-
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||||
// See https://llvm.org/LICENSE.txt for license information.
|
||||
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// REQUIRES: modules-build
|
||||
|
||||
// WARNING: This test was generated by 'generate_private_header_tests.py'
|
||||
// and should not be edited manually.
|
||||
|
||||
// expected-error@*:* {{use of private header from outside its module: '__compare/ordering.h'}}
|
||||
#include <__compare/ordering.h>
|
||||
Loading…
Reference in New Issue