181ad6265SDimitry Andric //===----------------------------------------------------------------------===// 281ad6265SDimitry Andric // 381ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 481ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 581ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 681ad6265SDimitry Andric // 781ad6265SDimitry Andric //===----------------------------------------------------------------------===// 881ad6265SDimitry Andric 981ad6265SDimitry Andric #ifndef _LIBCPP___ALGORITHM_RANGES_MINMAX_ELEMENT_H 1081ad6265SDimitry Andric #define _LIBCPP___ALGORITHM_RANGES_MINMAX_ELEMENT_H 1181ad6265SDimitry Andric 1281ad6265SDimitry Andric #include <__algorithm/min_max_result.h> 1381ad6265SDimitry Andric #include <__algorithm/minmax_element.h> 1481ad6265SDimitry Andric #include <__config> 1581ad6265SDimitry Andric #include <__functional/identity.h> 1681ad6265SDimitry Andric #include <__functional/invoke.h> 1781ad6265SDimitry Andric #include <__functional/ranges_operations.h> 1881ad6265SDimitry Andric #include <__iterator/concepts.h> 1981ad6265SDimitry Andric #include <__iterator/projected.h> 2081ad6265SDimitry Andric #include <__ranges/access.h> 2181ad6265SDimitry Andric #include <__ranges/concepts.h> 2281ad6265SDimitry Andric #include <__ranges/dangling.h> 2381ad6265SDimitry Andric #include <__utility/forward.h> 2481ad6265SDimitry Andric #include <__utility/move.h> 2581ad6265SDimitry Andric #include <__utility/pair.h> 2681ad6265SDimitry Andric 2781ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 2881ad6265SDimitry Andric # pragma GCC system_header 2981ad6265SDimitry Andric #endif 3081ad6265SDimitry Andric 31b3edf446SDimitry Andric _LIBCPP_PUSH_MACROS 32b3edf446SDimitry Andric #include <__undef_macros> 33b3edf446SDimitry Andric 3406c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 3581ad6265SDimitry Andric 3681ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 3781ad6265SDimitry Andric 3881ad6265SDimitry Andric namespace ranges { 3981ad6265SDimitry Andric 4081ad6265SDimitry Andric template <class _T1> 4181ad6265SDimitry Andric using minmax_element_result = min_max_result<_T1>; 4281ad6265SDimitry Andric 4381ad6265SDimitry Andric namespace __minmax_element { 4481ad6265SDimitry Andric struct __fn { 4506c3fb27SDimitry Andric template <forward_iterator _Ip, 4606c3fb27SDimitry Andric sentinel_for<_Ip> _Sp, 4706c3fb27SDimitry Andric class _Proj = identity, 4881ad6265SDimitry Andric indirect_strict_weak_order<projected<_Ip, _Proj>> _Comp = ranges::less> 49*0fca6ea1SDimitry Andric [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr ranges::minmax_element_result<_Ip> 5006c3fb27SDimitry Andric operator()(_Ip __first, _Sp __last, _Comp __comp = {}, _Proj __proj = {}) const { 5181ad6265SDimitry Andric auto __ret = std::__minmax_element_impl(std::move(__first), std::move(__last), __comp, __proj); 5281ad6265SDimitry Andric return {__ret.first, __ret.second}; 5381ad6265SDimitry Andric } 5481ad6265SDimitry Andric 5506c3fb27SDimitry Andric template <forward_range _Rp, 5606c3fb27SDimitry Andric class _Proj = identity, 5781ad6265SDimitry Andric indirect_strict_weak_order<projected<iterator_t<_Rp>, _Proj>> _Comp = ranges::less> 58*0fca6ea1SDimitry Andric [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr ranges::minmax_element_result<borrowed_iterator_t<_Rp>> 5981ad6265SDimitry Andric operator()(_Rp&& __r, _Comp __comp = {}, _Proj __proj = {}) const { 6081ad6265SDimitry Andric auto __ret = std::__minmax_element_impl(ranges::begin(__r), ranges::end(__r), __comp, __proj); 6181ad6265SDimitry Andric return {__ret.first, __ret.second}; 6281ad6265SDimitry Andric } 6381ad6265SDimitry Andric }; 6481ad6265SDimitry Andric } // namespace __minmax_element 6581ad6265SDimitry Andric 6681ad6265SDimitry Andric inline namespace __cpo { 6781ad6265SDimitry Andric inline constexpr auto minmax_element = __minmax_element::__fn{}; 6881ad6265SDimitry Andric } // namespace __cpo 6981ad6265SDimitry Andric 7081ad6265SDimitry Andric } // namespace ranges 7181ad6265SDimitry Andric 7281ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 7381ad6265SDimitry Andric 7406c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 7581ad6265SDimitry Andric 76b3edf446SDimitry Andric _LIBCPP_POP_MACROS 77b3edf446SDimitry Andric 7881ad6265SDimitry Andric #endif // _LIBCPP___ALGORITHM_RANGES_MINMAX_H 79