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_MAX_H |
10 | #define _LIBCPP___ALGORITHM_MAX_H |
11 | |
12 | #include <__algorithm/comp.h> |
13 | #include <__algorithm/comp_ref_type.h> |
14 | #include <__algorithm/max_element.h> |
15 | #include <__config> |
16 | #include <initializer_list> |
17 | |
18 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
19 | # pragma GCC system_header |
20 | #endif |
21 | |
22 | _LIBCPP_PUSH_MACROS |
23 | #include <__undef_macros> |
24 | |
25 | _LIBCPP_BEGIN_NAMESPACE_STD |
26 | |
27 | template <class _Tp, class _Compare> |
28 | _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Tp& |
29 | max(_LIBCPP_LIFETIMEBOUND const _Tp& __a, _LIBCPP_LIFETIMEBOUND const _Tp& __b, _Compare __comp) { |
30 | return __comp(__a, __b) ? __b : __a; |
31 | } |
32 | |
33 | template <class _Tp> |
34 | _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Tp& |
35 | max(_LIBCPP_LIFETIMEBOUND const _Tp& __a, _LIBCPP_LIFETIMEBOUND const _Tp& __b) { |
36 | return std::max(__a, __b, __less<>()); |
37 | } |
38 | |
39 | #ifndef _LIBCPP_CXX03_LANG |
40 | |
41 | template <class _Tp, class _Compare> |
42 | _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp |
43 | max(initializer_list<_Tp> __t, _Compare __comp) { |
44 | return *std::__max_element<__comp_ref_type<_Compare> >(__t.begin(), __t.end(), __comp); |
45 | } |
46 | |
47 | template <class _Tp> |
48 | _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp max(initializer_list<_Tp> __t) { |
49 | return *std::max_element(__t.begin(), __t.end(), __less<>()); |
50 | } |
51 | |
52 | #endif // _LIBCPP_CXX03_LANG |
53 | |
54 | _LIBCPP_END_NAMESPACE_STD |
55 | |
56 | _LIBCPP_POP_MACROS |
57 | |
58 | #endif // _LIBCPP___ALGORITHM_MAX_H |
59 | |