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_PSTL_ANY_ALL_NONE_OF_H
10 #define _LIBCPP___ALGORITHM_PSTL_ANY_ALL_NONE_OF_H
11 
12 #include <__algorithm/pstl_find.h>
13 #include <__algorithm/pstl_frontend_dispatch.h>
14 #include <__config>
15 #include <__iterator/cpp17_iterator_concepts.h>
16 #include <__type_traits/enable_if.h>
17 #include <__type_traits/is_execution_policy.h>
18 #include <__type_traits/remove_cvref.h>
19 #include <__utility/move.h>
20 #include <optional>
21 
22 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
23 #  pragma GCC system_header
24 #endif
25 
26 _LIBCPP_PUSH_MACROS
27 #include <__undef_macros>
28 
29 #if !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17
30 
31 _LIBCPP_BEGIN_NAMESPACE_STD
32 
33 template <class>
34 void __pstl_any_of(); // declaration needed for the frontend dispatch below
35 
36 template <class _ExecutionPolicy,
37           class _ForwardIterator,
38           class _Predicate,
39           class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
40           enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
41 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<bool> __any_of(
42     _ExecutionPolicy&& __policy, _ForwardIterator&& __first, _ForwardIterator&& __last, _Predicate&& __pred) noexcept {
43   return std::__pstl_frontend_dispatch(
44       _LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_any_of, _RawPolicy),
45       [&](_ForwardIterator __g_first, _ForwardIterator __g_last, _Predicate __g_pred) -> optional<bool> {
46         auto __res = std::__find_if(__policy, __g_first, __g_last, __g_pred);
47         if (!__res)
48           return nullopt;
49         return *__res != __g_last;
50       },
51       std::move(__first),
52       std::move(__last),
53       std::move(__pred));
54 }
55 
56 template <class _ExecutionPolicy,
57           class _ForwardIterator,
58           class _Predicate,
59           class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
60           enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
61 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI bool
62 any_of(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, _Predicate __pred) {
63   _LIBCPP_REQUIRE_CPP17_FORWARD_ITERATOR(_ForwardIterator);
64   auto __res = std::__any_of(__policy, std::move(__first), std::move(__last), std::move(__pred));
65   if (!__res)
66     std::__throw_bad_alloc();
67   return *std::move(__res);
68 }
69 
70 template <class>
71 void __pstl_all_of(); // declaration needed for the frontend dispatch below
72 
73 template <class _ExecutionPolicy,
74           class _ForwardIterator,
75           class _Pred,
76           class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
77           enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
78 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<bool>
79 __all_of(_ExecutionPolicy&& __policy, _ForwardIterator&& __first, _ForwardIterator&& __last, _Pred&& __pred) noexcept {
80   return std::__pstl_frontend_dispatch(
81       _LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_all_of, _RawPolicy),
82       [&](_ForwardIterator __g_first, _ForwardIterator __g_last, _Pred __g_pred) -> optional<bool> {
83         auto __res = std::__any_of(__policy, __g_first, __g_last, [&](__iter_reference<_ForwardIterator> __value) {
84           return !__g_pred(__value);
85         });
86         if (!__res)
87           return nullopt;
88         return !*__res;
89       },
90       std::move(__first),
91       std::move(__last),
92       std::move(__pred));
93 }
94 
95 template <class _ExecutionPolicy,
96           class _ForwardIterator,
97           class _Pred,
98           class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
99           enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
100 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI bool
101 all_of(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, _Pred __pred) {
102   _LIBCPP_REQUIRE_CPP17_FORWARD_ITERATOR(_ForwardIterator);
103   auto __res = std::__all_of(__policy, std::move(__first), std::move(__last), std::move(__pred));
104   if (!__res)
105     std::__throw_bad_alloc();
106   return *std::move(__res);
107 }
108 
109 template <class>
110 void __pstl_none_of(); // declaration needed for the frontend dispatch below
111 
112 template <class _ExecutionPolicy,
113           class _ForwardIterator,
114           class _Pred,
115           class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
116           enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
117 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<bool>
118 __none_of(_ExecutionPolicy&& __policy, _ForwardIterator&& __first, _ForwardIterator&& __last, _Pred&& __pred) noexcept {
119   return std::__pstl_frontend_dispatch(
120       _LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_none_of, _RawPolicy),
121       [&](_ForwardIterator __g_first, _ForwardIterator __g_last, _Pred __g_pred) -> optional<bool> {
122         auto __res = std::__any_of(__policy, __g_first, __g_last, __g_pred);
123         if (!__res)
124           return nullopt;
125         return !*__res;
126       },
127       std::move(__first),
128       std::move(__last),
129       std::move(__pred));
130 }
131 
132 template <class _ExecutionPolicy,
133           class _ForwardIterator,
134           class _Pred,
135           class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
136           enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
137 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI bool
138 none_of(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, _Pred __pred) {
139   _LIBCPP_REQUIRE_CPP17_FORWARD_ITERATOR(_ForwardIterator);
140   auto __res = std::__none_of(__policy, std::move(__first), std::move(__last), std::move(__pred));
141   if (!__res)
142     std::__throw_bad_alloc();
143   return *std::move(__res);
144 }
145 
146 _LIBCPP_END_NAMESPACE_STD
147 
148 #endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17
149 
150 _LIBCPP_POP_MACROS
151 
152 #endif // _LIBCPP___ALGORITHM_PSTL_ANY_ALL_NONE_OF_H
153