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_EXT inline
29 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14
30 const _Tp&
max(_LIBCPP_LIFETIMEBOUND const _Tp & __a,_LIBCPP_LIFETIMEBOUND const _Tp & __b,_Compare __comp)31 max(_LIBCPP_LIFETIMEBOUND const _Tp& __a, _LIBCPP_LIFETIMEBOUND const _Tp& __b, _Compare __comp)
32 {
33 return __comp(__a, __b) ? __b : __a;
34 }
35
36 template <class _Tp>
37 _LIBCPP_NODISCARD_EXT inline
38 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14
39 const _Tp&
max(_LIBCPP_LIFETIMEBOUND const _Tp & __a,_LIBCPP_LIFETIMEBOUND const _Tp & __b)40 max(_LIBCPP_LIFETIMEBOUND const _Tp& __a, _LIBCPP_LIFETIMEBOUND const _Tp& __b)
41 {
42 return _VSTD::max(__a, __b, __less<_Tp>());
43 }
44
45 #ifndef _LIBCPP_CXX03_LANG
46
47 template<class _Tp, class _Compare>
48 _LIBCPP_NODISCARD_EXT inline
49 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14
50 _Tp
max(initializer_list<_Tp> __t,_Compare __comp)51 max(initializer_list<_Tp> __t, _Compare __comp)
52 {
53 return *_VSTD::__max_element<__comp_ref_type<_Compare> >(__t.begin(), __t.end(), __comp);
54 }
55
56 template<class _Tp>
57 _LIBCPP_NODISCARD_EXT inline
58 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14
59 _Tp
max(initializer_list<_Tp> __t)60 max(initializer_list<_Tp> __t)
61 {
62 return *_VSTD::max_element(__t.begin(), __t.end(), __less<_Tp>());
63 }
64
65 #endif // _LIBCPP_CXX03_LANG
66
67 _LIBCPP_END_NAMESPACE_STD
68
69 _LIBCPP_POP_MACROS
70
71 #endif // _LIBCPP___ALGORITHM_MAX_H
72