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_MIN_H
10#define _LIBCPP___ALGORITHM_MIN_H
11
12#include <__algorithm/comp.h>
13#include <__algorithm/comp_ref_type.h>
14#include <__algorithm/min_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
27template <class _Tp, class _Compare>
28[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Tp&
29min(_LIBCPP_LIFETIMEBOUND const _Tp& __a, _LIBCPP_LIFETIMEBOUND const _Tp& __b, _Compare __comp) {
30 return __comp(__b, __a) ? __b : __a;
31}
32
33template <class _Tp>
34[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Tp&
35min(_LIBCPP_LIFETIMEBOUND const _Tp& __a, _LIBCPP_LIFETIMEBOUND const _Tp& __b) {
36 return std::min(__a, __b, __less<>());
37}
38
39#ifndef _LIBCPP_CXX03_LANG
40
41template <class _Tp, class _Compare>
42[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp
43min(initializer_list<_Tp> __t, _Compare __comp) {
44 return *std::__min_element<__comp_ref_type<_Compare> >(__t.begin(), __t.end(), __comp);
45}
46
47template <class _Tp>
48[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp min(initializer_list<_Tp> __t) {
49 return *std::min_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_MIN_H
59