|
236
|
1 //===----------------------------------------------------------------------===//
|
|
|
2 //
|
|
|
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
|
4 // See https://llvm.org/LICENSE.txt for license information.
|
|
|
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
6 //
|
|
|
7 //===----------------------------------------------------------------------===//
|
|
|
8
|
|
|
9 #ifndef _LIBCPP___ALGORITHM_RANGES_MAKE_HEAP_H
|
|
|
10 #define _LIBCPP___ALGORITHM_RANGES_MAKE_HEAP_H
|
|
|
11
|
|
|
12 #include <__algorithm/iterator_operations.h>
|
|
|
13 #include <__algorithm/make_heap.h>
|
|
|
14 #include <__algorithm/make_projected.h>
|
|
|
15 #include <__concepts/same_as.h>
|
|
|
16 #include <__config>
|
|
|
17 #include <__functional/identity.h>
|
|
|
18 #include <__functional/invoke.h>
|
|
|
19 #include <__functional/ranges_operations.h>
|
|
|
20 #include <__iterator/concepts.h>
|
|
|
21 #include <__iterator/iterator_traits.h>
|
|
|
22 #include <__iterator/next.h>
|
|
|
23 #include <__iterator/projected.h>
|
|
|
24 #include <__iterator/sortable.h>
|
|
|
25 #include <__ranges/access.h>
|
|
|
26 #include <__ranges/concepts.h>
|
|
|
27 #include <__ranges/dangling.h>
|
|
|
28 #include <__utility/forward.h>
|
|
|
29 #include <__utility/move.h>
|
|
|
30
|
|
|
31 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
|
32 # pragma GCC system_header
|
|
|
33 #endif
|
|
|
34
|
|
252
|
35 #if _LIBCPP_STD_VER >= 20
|
|
236
|
36
|
|
|
37 _LIBCPP_BEGIN_NAMESPACE_STD
|
|
|
38
|
|
|
39 namespace ranges {
|
|
|
40 namespace __make_heap {
|
|
|
41
|
|
|
42 struct __fn {
|
|
|
43 template <class _Iter, class _Sent, class _Comp, class _Proj>
|
|
252
|
44 _LIBCPP_HIDE_FROM_ABI constexpr static _Iter
|
|
|
45 __make_heap_fn_impl(_Iter __first, _Sent __last, _Comp& __comp, _Proj& __proj) {
|
|
236
|
46 auto __last_iter = ranges::next(__first, __last);
|
|
|
47
|
|
|
48 auto&& __projected_comp = std::__make_projected(__comp, __proj);
|
|
|
49 std::__make_heap<_RangeAlgPolicy>(std::move(__first), __last_iter, __projected_comp);
|
|
|
50
|
|
|
51 return __last_iter;
|
|
|
52 }
|
|
|
53
|
|
|
54 template <random_access_iterator _Iter, sentinel_for<_Iter> _Sent, class _Comp = ranges::less, class _Proj = identity>
|
|
|
55 requires sortable<_Iter, _Comp, _Proj>
|
|
252
|
56 _LIBCPP_HIDE_FROM_ABI constexpr _Iter
|
|
|
57 operator()(_Iter __first, _Sent __last, _Comp __comp = {}, _Proj __proj = {}) const {
|
|
236
|
58 return __make_heap_fn_impl(std::move(__first), std::move(__last), __comp, __proj);
|
|
|
59 }
|
|
|
60
|
|
|
61 template <random_access_range _Range, class _Comp = ranges::less, class _Proj = identity>
|
|
|
62 requires sortable<iterator_t<_Range>, _Comp, _Proj>
|
|
252
|
63 _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range>
|
|
|
64 operator()(_Range&& __r, _Comp __comp = {}, _Proj __proj = {}) const {
|
|
236
|
65 return __make_heap_fn_impl(ranges::begin(__r), ranges::end(__r), __comp, __proj);
|
|
|
66 }
|
|
|
67 };
|
|
|
68
|
|
|
69 } // namespace __make_heap
|
|
|
70
|
|
|
71 inline namespace __cpo {
|
|
252
|
72 inline constexpr auto make_heap = __make_heap::__fn{};
|
|
236
|
73 } // namespace __cpo
|
|
|
74 } // namespace ranges
|
|
|
75
|
|
|
76 _LIBCPP_END_NAMESPACE_STD
|
|
|
77
|
|
252
|
78 #endif // _LIBCPP_STD_VER >= 20
|
|
236
|
79
|
|
|
80 #endif // _LIBCPP___ALGORITHM_RANGES_MAKE_HEAP_H
|
