13e519524SHoward Hinnant// -*- C++ -*-
2eb8650a7SLouis Dionne//===----------------------------------------------------------------------===//
33e519524SHoward Hinnant//
457b08b09SChandler Carruth// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
557b08b09SChandler Carruth// See https://llvm.org/LICENSE.txt for license information.
657b08b09SChandler Carruth// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
73e519524SHoward Hinnant//
83e519524SHoward Hinnant//===----------------------------------------------------------------------===//
93e519524SHoward Hinnant
103e519524SHoward Hinnant#ifndef _LIBCPP_ALGORITHM
113e519524SHoward Hinnant#define _LIBCPP_ALGORITHM
123e519524SHoward Hinnant
133e519524SHoward Hinnant/*
143e519524SHoward Hinnant    algorithm synopsis
153e519524SHoward Hinnant
163e519524SHoward Hinnant#include <initializer_list>
173e519524SHoward Hinnant
183e519524SHoward Hinnantnamespace std
193e519524SHoward Hinnant{
203e519524SHoward Hinnant
21d3729bb3SNikolas Klausernamespace ranges {
221e77b396SNikolas Klauser  template <class I, class F>
231e77b396SNikolas Klauser    struct in_fun_result;     // since C++20
241e77b396SNikolas Klauser
25d3729bb3SNikolas Klauser  template <class I1, class I2>
26d3729bb3SNikolas Klauser    struct in_in_result;      // since C++20
27f3514af4SNikolas Klauser
28f3514af4SNikolas Klauser  template <class I1, class I2, class O>
29f3514af4SNikolas Klauser    struct in_in_out_result;  // since C++20
30610979b3SNikolas Klauser
31610979b3SNikolas Klauser  template <class I, class O1, class O2>
32610979b3SNikolas Klauser    struct in_out_out_result; // since C++20
331e77b396SNikolas Klauser
34807766beSNikolas Klauser  template <class I1, class I2>
35807766beSNikolas Klauser    struct min_max_result;    // since C++20
36807766beSNikolas Klauser
37*68f4131cSNikolas Klauser  template <class I>
38*68f4131cSNikolas Klauser    struct in_found_result;   // since C++20
39*68f4131cSNikolas Klauser
403b470d1cSNikolas Klauser  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
413b470d1cSNikolas Klauser    indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>             // since C++20
423b470d1cSNikolas Klauser  constexpr I min_element(I first, S last, Comp comp = {}, Proj proj = {});
433b470d1cSNikolas Klauser
443b470d1cSNikolas Klauser  template<forward_range R, class Proj = identity,
453b470d1cSNikolas Klauser    indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> // since C++20
463b470d1cSNikolas Klauser  constexpr borrowed_iterator_t<R> min_element(R&& r, Comp comp = {}, Proj proj = {});
47d3729bb3SNikolas Klauser}
48d3729bb3SNikolas Klauser
493e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
50706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
513e519524SHoward Hinnant    all_of(InputIterator first, InputIterator last, Predicate pred);
523e519524SHoward Hinnant
533e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
54706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
553e519524SHoward Hinnant    any_of(InputIterator first, InputIterator last, Predicate pred);
563e519524SHoward Hinnant
573e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
58706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
593e519524SHoward Hinnant    none_of(InputIterator first, InputIterator last, Predicate pred);
603e519524SHoward Hinnant
613e519524SHoward Hinnanttemplate <class InputIterator, class Function>
621b9a4ffdSMarshall Clow    constexpr Function          // constexpr in C++20
633e519524SHoward Hinnant    for_each(InputIterator first, InputIterator last, Function f);
643e519524SHoward Hinnant
65d5c65ffaSMarshall Clowtemplate<class InputIterator, class Size, class Function>
661b9a4ffdSMarshall Clow    constexpr InputIterator     // constexpr in C++20
671b9a4ffdSMarshall Clow    for_each_n(InputIterator first, Size n, Function f); // C++17
68d5c65ffaSMarshall Clow
693e519524SHoward Hinnanttemplate <class InputIterator, class T>
7049c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
713e519524SHoward Hinnant    find(InputIterator first, InputIterator last, const T& value);
723e519524SHoward Hinnant
733e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
7449c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
753e519524SHoward Hinnant    find_if(InputIterator first, InputIterator last, Predicate pred);
763e519524SHoward Hinnant
773e519524SHoward Hinnanttemplate<class InputIterator, class Predicate>
78b8bc4e15SArthur O'Dwyer    constexpr InputIterator     // constexpr in C++20
793e519524SHoward Hinnant    find_if_not(InputIterator first, InputIterator last, Predicate pred);
803e519524SHoward Hinnant
813e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
82b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
833e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
843e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2);
853e519524SHoward Hinnant
863e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
87b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
883e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
893e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
903e519524SHoward Hinnant
913e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
928694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
933e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
943e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2);
953e519524SHoward Hinnant
963e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
978694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
983e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
993e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
1003e519524SHoward Hinnant
1013e519524SHoward Hinnanttemplate <class ForwardIterator>
1028694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
1033e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last);
1043e519524SHoward Hinnant
1053e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
1068694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
1073e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
1083e519524SHoward Hinnant
1093e519524SHoward Hinnanttemplate <class InputIterator, class T>
110056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type  // constexpr in C++20
1113e519524SHoward Hinnant    count(InputIterator first, InputIterator last, const T& value);
1123e519524SHoward Hinnant
1133e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
114056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20
1153e519524SHoward Hinnant    count_if(InputIterator first, InputIterator last, Predicate pred);
1163e519524SHoward Hinnant
1173e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
1186538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1193e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
1203e519524SHoward Hinnant
1210b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
1226538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1230b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1240b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2); // **C++14**
1250b0bbd2fSMarshall Clow
1263e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1276538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1283e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1,
1293e519524SHoward Hinnant             InputIterator2 first2, BinaryPredicate pred);
1303e519524SHoward Hinnant
1310b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1326538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1330b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1340b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2,
1350b0bbd2fSMarshall Clow             BinaryPredicate pred); // **C++14**
1360b0bbd2fSMarshall Clow
1373e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
1386538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1393e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
1403e519524SHoward Hinnant
1410b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
1426538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1430b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
1440b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2); // **C++14**
1450b0bbd2fSMarshall Clow
1463e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1476538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1483e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1,
1493e519524SHoward Hinnant          InputIterator2 first2, BinaryPredicate pred);
1503e519524SHoward Hinnant
1510b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1526538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1530b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
1540b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2,
1550b0bbd2fSMarshall Clow          BinaryPredicate pred); // **C++14**
1560b0bbd2fSMarshall Clow
1573e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2>
15849c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1593e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1603e519524SHoward Hinnant                   ForwardIterator2 first2);
1613e519524SHoward Hinnant
1620b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2>
16349c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1640b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1650b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2); // **C++14**
1660b0bbd2fSMarshall Clow
1673e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
16849c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1693e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1703e519524SHoward Hinnant                   ForwardIterator2 first2, BinaryPredicate pred);
1713e519524SHoward Hinnant
1720b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
17349c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1740b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1750b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2,
1760b0bbd2fSMarshall Clow                   BinaryPredicate pred);  // **C++14**
1770b0bbd2fSMarshall Clow
1783e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
17912f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1803e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1813e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2);
1823e519524SHoward Hinnant
1833e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
18412f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1853e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1863e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
1873e519524SHoward Hinnant
1883e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T>
18912f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1903e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last, Size count, const T& value);
1913e519524SHoward Hinnant
1923e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T, class BinaryPredicate>
19312f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1943e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last,
1953e519524SHoward Hinnant             Size count, const T& value, BinaryPredicate pred);
1963e519524SHoward Hinnant
1973e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
19813c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1993e519524SHoward Hinnant    copy(InputIterator first, InputIterator last, OutputIterator result);
2003e519524SHoward Hinnant
2013e519524SHoward Hinnanttemplate<class InputIterator, class OutputIterator, class Predicate>
20213c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
2033e519524SHoward Hinnant    copy_if(InputIterator first, InputIterator last,
2043e519524SHoward Hinnant            OutputIterator result, Predicate pred);
2053e519524SHoward Hinnant
2063e519524SHoward Hinnanttemplate<class InputIterator, class Size, class OutputIterator>
20713c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
2083e519524SHoward Hinnant    copy_n(InputIterator first, Size n, OutputIterator result);
2093e519524SHoward Hinnant
2103e519524SHoward Hinnanttemplate <class BidirectionalIterator1, class BidirectionalIterator2>
21113c90a57SLouis Dionne    constexpr BidirectionalIterator2      // constexpr in C++20
2123e519524SHoward Hinnant    copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last,
2133e519524SHoward Hinnant                  BidirectionalIterator2 result);
2143e519524SHoward Hinnant
2153e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
216b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator2    // constexpr in C++20
2173e519524SHoward Hinnant    swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2);
2183e519524SHoward Hinnant
2199d905319SNikolas Klausertemplate<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2>
2209d905319SNikolas Klauser        requires indirectly_swappable<I1, I2>
2219d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<I1, I2>
2229d905319SNikolas Klauser        ranges::swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2);
2239d905319SNikolas Klauser
2249d905319SNikolas Klausertemplate<input_range R1, input_range R2>
2259d905319SNikolas Klauser        requires indirectly_swappable<iterator_t<R1>, iterator_t<R2>>
2269d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
2279d905319SNikolas Klauser        ranges::swap_ranges(R1&& r1, R2&& r2);
2289d905319SNikolas Klauser
2293e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
230b8bc4e15SArthur O'Dwyer    constexpr void                // constexpr in C++20
2313e519524SHoward Hinnant    iter_swap(ForwardIterator1 a, ForwardIterator2 b);
2323e519524SHoward Hinnant
2333e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class UnaryOperation>
23499894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2353e519524SHoward Hinnant    transform(InputIterator first, InputIterator last, OutputIterator result, UnaryOperation op);
2363e519524SHoward Hinnant
2373e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class BinaryOperation>
23899894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2393e519524SHoward Hinnant    transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2,
2403e519524SHoward Hinnant              OutputIterator result, BinaryOperation binary_op);
2413e519524SHoward Hinnant
2423e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
24312c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2443e519524SHoward Hinnant    replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value);
2453e519524SHoward Hinnant
2463e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate, class T>
24712c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2483e519524SHoward Hinnant    replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value);
2493e519524SHoward Hinnant
2503e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
25112c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2523e519524SHoward Hinnant    replace_copy(InputIterator first, InputIterator last, OutputIterator result,
2533e519524SHoward Hinnant                 const T& old_value, const T& new_value);
2543e519524SHoward Hinnant
2553e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate, class T>
25612c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2573e519524SHoward Hinnant    replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value);
2583e519524SHoward Hinnant
2593e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
2604bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2613e519524SHoward Hinnant    fill(ForwardIterator first, ForwardIterator last, const T& value);
2623e519524SHoward Hinnant
2633e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class T>
2644bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2653e519524SHoward Hinnant    fill_n(OutputIterator first, Size n, const T& value);
2663e519524SHoward Hinnant
2673e519524SHoward Hinnanttemplate <class ForwardIterator, class Generator>
2684bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2693e519524SHoward Hinnant    generate(ForwardIterator first, ForwardIterator last, Generator gen);
2703e519524SHoward Hinnant
2713e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class Generator>
2724bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2733e519524SHoward Hinnant    generate_n(OutputIterator first, Size n, Generator gen);
2743e519524SHoward Hinnant
2753e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
276e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2773e519524SHoward Hinnant    remove(ForwardIterator first, ForwardIterator last, const T& value);
2783e519524SHoward Hinnant
2793e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
280e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2813e519524SHoward Hinnant    remove_if(ForwardIterator first, ForwardIterator last, Predicate pred);
2823e519524SHoward Hinnant
2833e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
284e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2853e519524SHoward Hinnant    remove_copy(InputIterator first, InputIterator last, OutputIterator result, const T& value);
2863e519524SHoward Hinnant
2873e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate>
288e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2893e519524SHoward Hinnant    remove_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred);
2903e519524SHoward Hinnant
2913e519524SHoward Hinnanttemplate <class ForwardIterator>
292b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2933e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last);
2943e519524SHoward Hinnant
2953e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
296b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2973e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
2983e519524SHoward Hinnant
2993e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
300b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
3013e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result);
3023e519524SHoward Hinnant
3033e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class BinaryPredicate>
304b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
3053e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result, BinaryPredicate pred);
3063e519524SHoward Hinnant
3073e519524SHoward Hinnanttemplate <class BidirectionalIterator>
308f851db3dSArthur O'Dwyer    constexpr void               // constexpr in C++20
3093e519524SHoward Hinnant    reverse(BidirectionalIterator first, BidirectionalIterator last);
3103e519524SHoward Hinnant
3113e519524SHoward Hinnanttemplate <class BidirectionalIterator, class OutputIterator>
312e8ea8296SMarshall Clow    constexpr OutputIterator       // constexpr in C++20
3133e519524SHoward Hinnant    reverse_copy(BidirectionalIterator first, BidirectionalIterator last, OutputIterator result);
3143e519524SHoward Hinnant
3153e519524SHoward Hinnanttemplate <class ForwardIterator>
316b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator      // constexpr in C++20
3173e519524SHoward Hinnant    rotate(ForwardIterator first, ForwardIterator middle, ForwardIterator last);
3183e519524SHoward Hinnant
3193e519524SHoward Hinnanttemplate <class ForwardIterator, class OutputIterator>
320b8bc4e15SArthur O'Dwyer    constexpr OutputIterator       // constexpr in C++20
3213e519524SHoward Hinnant    rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, OutputIterator result);
3223e519524SHoward Hinnant
3233e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3243e519524SHoward Hinnant    void
3250f37a410SMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last); // deprecated in C++14, removed in C++17
3263e519524SHoward Hinnant
3273e519524SHoward Hinnanttemplate <class RandomAccessIterator, class RandomNumberGenerator>
3283e519524SHoward Hinnant    void
32906965c1fSMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last,
3300f37a410SMarshall Clow                   RandomNumberGenerator& rand);  // deprecated in C++14, removed in C++17
3313e519524SHoward Hinnant
332e7154709SEric Fiseliertemplate<class PopulationIterator, class SampleIterator,
333e7154709SEric Fiselier         class Distance, class UniformRandomBitGenerator>
334e7154709SEric Fiselier    SampleIterator sample(PopulationIterator first, PopulationIterator last,
335e7154709SEric Fiselier                          SampleIterator out, Distance n,
336e7154709SEric Fiselier                          UniformRandomBitGenerator&& g); // C++17
337e7154709SEric Fiselier
338f9d540b0SHoward Hinnanttemplate<class RandomAccessIterator, class UniformRandomNumberGenerator>
339f9d540b0SHoward Hinnant    void shuffle(RandomAccessIterator first, RandomAccessIterator last,
340fb340102SHoward Hinnant                 UniformRandomNumberGenerator&& g);
341f9d540b0SHoward Hinnant
3423fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3433fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3443fbd3eafSArthur O'Dwyer    shift_left(ForwardIterator first, ForwardIterator last,
3453fbd3eafSArthur O'Dwyer               typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3463fbd3eafSArthur O'Dwyer
3473fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3483fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3493fbd3eafSArthur O'Dwyer    shift_right(ForwardIterator first, ForwardIterator last,
3503fbd3eafSArthur O'Dwyer                typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3513fbd3eafSArthur O'Dwyer
3523e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
35349c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3543e519524SHoward Hinnant    is_partitioned(InputIterator first, InputIterator last, Predicate pred);
3553e519524SHoward Hinnant
3563e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
357f851db3dSArthur O'Dwyer    constexpr ForwardIterator  // constexpr in C++20
3583e519524SHoward Hinnant    partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3593e519524SHoward Hinnant
3603e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator1,
3613e519524SHoward Hinnant          class OutputIterator2, class Predicate>
3621b9a4ffdSMarshall Clow    constexpr pair<OutputIterator1, OutputIterator2>   // constexpr in C++20
3633e519524SHoward Hinnant    partition_copy(InputIterator first, InputIterator last,
3643e519524SHoward Hinnant                   OutputIterator1 out_true, OutputIterator2 out_false,
3653e519524SHoward Hinnant                   Predicate pred);
3663e519524SHoward Hinnant
3673e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
3683e519524SHoward Hinnant    ForwardIterator
3693e519524SHoward Hinnant    stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3703e519524SHoward Hinnant
3713e519524SHoward Hinnanttemplate<class ForwardIterator, class Predicate>
372d57c03ddSMarshall Clow    constexpr ForwardIterator  // constexpr in C++20
3733e519524SHoward Hinnant    partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
3743e519524SHoward Hinnant
3753e519524SHoward Hinnanttemplate <class ForwardIterator>
37649c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3773e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last);
3783e519524SHoward Hinnant
3793e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
380b8bc4e15SArthur O'Dwyer    constexpr bool  // constexpr in C++20
3813e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last, Compare comp);
3823e519524SHoward Hinnant
3833e519524SHoward Hinnanttemplate<class ForwardIterator>
384056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3853e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last);
3863e519524SHoward Hinnant
3873e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
388056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3893e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp);
3903e519524SHoward Hinnant
3913e519524SHoward Hinnanttemplate <class RandomAccessIterator>
392493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3933e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last);
3943e519524SHoward Hinnant
3953e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
396493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3973e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
3983e519524SHoward Hinnant
3993e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4003e519524SHoward Hinnant    void
4013e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last);
4023e519524SHoward Hinnant
4033e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
4043e519524SHoward Hinnant    void
4053e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
4063e519524SHoward Hinnant
4073e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4085386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4093e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last);
4103e519524SHoward Hinnant
4113e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
4125386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4133e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp);
4143e519524SHoward Hinnant
4153e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator>
4165386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
4173e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
4183e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last);
4193e519524SHoward Hinnant
4203e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator, class Compare>
4215386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
4223e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
4233e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp);
4243e519524SHoward Hinnant
4253e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4265d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4273e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last);
4283e519524SHoward Hinnant
4293e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
4305d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4313e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp);
4323e519524SHoward Hinnant
4333e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
434d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4353e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value);
4363e519524SHoward Hinnant
4373e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
438d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4393e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4403e519524SHoward Hinnant
4413e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
442d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4433e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value);
4443e519524SHoward Hinnant
4453e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
446d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4473e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4483e519524SHoward Hinnant
4493e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
450d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4513e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value);
4523e519524SHoward Hinnant
4533e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
454d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4553e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4563e519524SHoward Hinnant
4573e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
458d57c03ddSMarshall Clow    constexpr bool                                    // constexpr in C++20
4593e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value);
4603e519524SHoward Hinnant
4613e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
4628da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4633e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4643e519524SHoward Hinnant
4653e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
46614098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4673e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4683e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4693e519524SHoward Hinnant
4703e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
47114098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4723e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4733e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4743e519524SHoward Hinnant
4753e519524SHoward Hinnanttemplate <class BidirectionalIterator>
4763e519524SHoward Hinnant    void
4773e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last);
4783e519524SHoward Hinnant
4793e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
4803e519524SHoward Hinnant    void
4813e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last, Compare comp);
4823e519524SHoward Hinnant
4833e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
4848da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4853e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
4863e519524SHoward Hinnant
4873e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
4888da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4893e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp);
4903e519524SHoward Hinnant
4913e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
49214098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4933e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4943e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4953e519524SHoward Hinnant
4963e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
49714098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4983e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4993e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5003e519524SHoward Hinnant
5013e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
5028da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
5033e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
5043e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5053e519524SHoward Hinnant
5063e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
5078da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
5083e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
5093e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5103e519524SHoward Hinnant
5113e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
51214098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5133e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
5143e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5153e519524SHoward Hinnant
5163e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
51714098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5183e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
5193e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5203e519524SHoward Hinnant
5213e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
52214098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5233e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
5243e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5253e519524SHoward Hinnant
5263e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
52714098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5283e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
5293e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5303e519524SHoward Hinnant
5313e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5325386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5333e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last);
5343e519524SHoward Hinnant
5353e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5365386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5373e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5383e519524SHoward Hinnant
5393e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5405386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5413e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last);
5423e519524SHoward Hinnant
5433e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5445386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5453e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5463e519524SHoward Hinnant
5473e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5485386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5493e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last);
5503e519524SHoward Hinnant
5513e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5525386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5533e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5543e519524SHoward Hinnant
5553e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5565386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5573e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last);
5583e519524SHoward Hinnant
5593e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5605386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5613e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5623e519524SHoward Hinnant
5633e519524SHoward Hinnanttemplate <class RandomAccessIterator>
56449c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5653e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last);
5663e519524SHoward Hinnant
5673e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
56849c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5693e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5703e519524SHoward Hinnant
5713e519524SHoward Hinnanttemplate <class RandomAccessIterator>
57249c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5733e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last);
5743e519524SHoward Hinnant
5753e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
57649c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5773e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5783e519524SHoward Hinnant
5794eb27b79SHoward Hinnanttemplate <class ForwardIterator>
580b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
581b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last);
5824eb27b79SHoward Hinnant
5834eb27b79SHoward Hinnanttemplate <class ForwardIterator, class Compare>
584b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
585b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last, Compare comp);
5864eb27b79SHoward Hinnant
5873e519524SHoward Hinnanttemplate <class T>
588b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
589b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b);
5903e519524SHoward Hinnant
5913e519524SHoward Hinnanttemplate <class T, class Compare>
592b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
593b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b, Compare comp);
5943e519524SHoward Hinnant
5953e519524SHoward Hinnanttemplate<class T>
596b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
597b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t);
5983e519524SHoward Hinnant
5993e519524SHoward Hinnanttemplate<class T, class Compare>
600b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
601b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t, Compare comp);
6023e519524SHoward Hinnant
603146c14acSMarshall Clowtemplate<class T>
604146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi);               // C++17
605146c14acSMarshall Clow
606146c14acSMarshall Clowtemplate<class T, class Compare>
607146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi, Compare comp); // C++17
608146c14acSMarshall Clow
6093e519524SHoward Hinnanttemplate <class ForwardIterator>
610b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
611b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last);
6123e519524SHoward Hinnant
6133e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
614b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
615b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last, Compare comp);
6163e519524SHoward Hinnant
6174eb27b79SHoward Hinnanttemplate <class T>
618b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
619b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b);
6204eb27b79SHoward Hinnant
6214eb27b79SHoward Hinnanttemplate <class T, class Compare>
622b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
623b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b, Compare comp);
6244eb27b79SHoward Hinnant
6254eb27b79SHoward Hinnanttemplate<class T>
626b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
627b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t);
6284eb27b79SHoward Hinnant
6294eb27b79SHoward Hinnanttemplate<class T, class Compare>
630b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
631b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t, Compare comp);
6324eb27b79SHoward Hinnant
6334eb27b79SHoward Hinnanttemplate<class ForwardIterator>
634b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
635b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last);
6364eb27b79SHoward Hinnant
6374eb27b79SHoward Hinnanttemplate<class ForwardIterator, class Compare>
638b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
639b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last, Compare comp);
6404eb27b79SHoward Hinnant
6414eb27b79SHoward Hinnanttemplate<class T>
642b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
643b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b);
6444eb27b79SHoward Hinnant
6454eb27b79SHoward Hinnanttemplate<class T, class Compare>
646b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
647b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b, Compare comp);
6484eb27b79SHoward Hinnant
6494eb27b79SHoward Hinnanttemplate<class T>
650b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
651b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t);
6524eb27b79SHoward Hinnant
6534eb27b79SHoward Hinnanttemplate<class T, class Compare>
654b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
655b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t, Compare comp);
6564eb27b79SHoward Hinnant
6573e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
6581b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6593e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
6603e519524SHoward Hinnant
6613e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
6621b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6633e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1,
6643e519524SHoward Hinnant                            InputIterator2 first2, InputIterator2 last2, Compare comp);
6653e519524SHoward Hinnant
6663e519524SHoward Hinnanttemplate <class BidirectionalIterator>
667f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6683e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last);
6693e519524SHoward Hinnant
6703e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
671f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6723e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6733e519524SHoward Hinnant
6743e519524SHoward Hinnanttemplate <class BidirectionalIterator>
675f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6763e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last);
6773e519524SHoward Hinnant
6783e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
679f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6803e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6813e519524SHoward Hinnant}  // std
6823e519524SHoward Hinnant
6833e519524SHoward Hinnant*/
6843e519524SHoward Hinnant
685ea2206d7SArthur O'Dwyer#include <__bits>
6863e519524SHoward Hinnant#include <__config>
687134723edSLouis Dionne#include <__debug>
688a1d07d57SHoward Hinnant#include <cstddef>
689bfbd73f8SArthur O'Dwyer#include <cstring>
690bfbd73f8SArthur O'Dwyer#include <functional>
691bfbd73f8SArthur O'Dwyer#include <initializer_list>
692bfbd73f8SArthur O'Dwyer#include <iterator>
693bfbd73f8SArthur O'Dwyer#include <memory>
694bfbd73f8SArthur O'Dwyer#include <type_traits>
695ea2206d7SArthur O'Dwyer#include <utility>
696f56972e2SMarshall Clow#include <version>
6975d1a701dSHoward Hinnant
698134723edSLouis Dionne#include <__algorithm/adjacent_find.h>
699134723edSLouis Dionne#include <__algorithm/all_of.h>
700134723edSLouis Dionne#include <__algorithm/any_of.h>
701134723edSLouis Dionne#include <__algorithm/binary_search.h>
702134723edSLouis Dionne#include <__algorithm/clamp.h>
703134723edSLouis Dionne#include <__algorithm/comp.h>
704134723edSLouis Dionne#include <__algorithm/comp_ref_type.h>
705134723edSLouis Dionne#include <__algorithm/copy.h>
706134723edSLouis Dionne#include <__algorithm/copy_backward.h>
707134723edSLouis Dionne#include <__algorithm/copy_if.h>
708134723edSLouis Dionne#include <__algorithm/copy_n.h>
709134723edSLouis Dionne#include <__algorithm/count.h>
710134723edSLouis Dionne#include <__algorithm/count_if.h>
711134723edSLouis Dionne#include <__algorithm/equal.h>
712134723edSLouis Dionne#include <__algorithm/equal_range.h>
713134723edSLouis Dionne#include <__algorithm/fill.h>
7144d81a46fSArthur O'Dwyer#include <__algorithm/fill_n.h>
715134723edSLouis Dionne#include <__algorithm/find.h>
716134723edSLouis Dionne#include <__algorithm/find_end.h>
717134723edSLouis Dionne#include <__algorithm/find_first_of.h>
718134723edSLouis Dionne#include <__algorithm/find_if.h>
719134723edSLouis Dionne#include <__algorithm/find_if_not.h>
720134723edSLouis Dionne#include <__algorithm/for_each.h>
721134723edSLouis Dionne#include <__algorithm/for_each_n.h>
722134723edSLouis Dionne#include <__algorithm/generate.h>
7234d81a46fSArthur O'Dwyer#include <__algorithm/generate_n.h>
724134723edSLouis Dionne#include <__algorithm/half_positive.h>
725*68f4131cSNikolas Klauser#include <__algorithm/in_found_result.h>
7261e77b396SNikolas Klauser#include <__algorithm/in_fun_result.h>
727f3514af4SNikolas Klauser#include <__algorithm/in_in_out_result.h>
728d3729bb3SNikolas Klauser#include <__algorithm/in_in_result.h>
729610979b3SNikolas Klauser#include <__algorithm/in_out_out_result.h>
7308d23b742SKonstantin Varlamov#include <__algorithm/in_out_result.h>
731134723edSLouis Dionne#include <__algorithm/includes.h>
732134723edSLouis Dionne#include <__algorithm/inplace_merge.h>
733134723edSLouis Dionne#include <__algorithm/is_heap.h>
734134723edSLouis Dionne#include <__algorithm/is_heap_until.h>
735134723edSLouis Dionne#include <__algorithm/is_partitioned.h>
736134723edSLouis Dionne#include <__algorithm/is_permutation.h>
737134723edSLouis Dionne#include <__algorithm/is_sorted.h>
738134723edSLouis Dionne#include <__algorithm/is_sorted_until.h>
7396adbc83eSChristopher Di Bella#include <__algorithm/iter_swap.h>
740134723edSLouis Dionne#include <__algorithm/lexicographical_compare.h>
741134723edSLouis Dionne#include <__algorithm/lower_bound.h>
742134723edSLouis Dionne#include <__algorithm/make_heap.h>
743134723edSLouis Dionne#include <__algorithm/max.h>
744134723edSLouis Dionne#include <__algorithm/max_element.h>
745134723edSLouis Dionne#include <__algorithm/merge.h>
746134723edSLouis Dionne#include <__algorithm/min.h>
747134723edSLouis Dionne#include <__algorithm/min_element.h>
748807766beSNikolas Klauser#include <__algorithm/min_max_result.h>
749134723edSLouis Dionne#include <__algorithm/minmax.h>
750134723edSLouis Dionne#include <__algorithm/minmax_element.h>
751134723edSLouis Dionne#include <__algorithm/mismatch.h>
752134723edSLouis Dionne#include <__algorithm/move.h>
753134723edSLouis Dionne#include <__algorithm/move_backward.h>
754134723edSLouis Dionne#include <__algorithm/next_permutation.h>
755134723edSLouis Dionne#include <__algorithm/none_of.h>
756134723edSLouis Dionne#include <__algorithm/nth_element.h>
757134723edSLouis Dionne#include <__algorithm/partial_sort.h>
758134723edSLouis Dionne#include <__algorithm/partial_sort_copy.h>
759134723edSLouis Dionne#include <__algorithm/partition.h>
760134723edSLouis Dionne#include <__algorithm/partition_copy.h>
761134723edSLouis Dionne#include <__algorithm/partition_point.h>
762134723edSLouis Dionne#include <__algorithm/pop_heap.h>
763134723edSLouis Dionne#include <__algorithm/prev_permutation.h>
764134723edSLouis Dionne#include <__algorithm/push_heap.h>
7653b470d1cSNikolas Klauser#include <__algorithm/ranges_min_element.h>
7669d905319SNikolas Klauser#include <__algorithm/ranges_swap_ranges.h>
767134723edSLouis Dionne#include <__algorithm/remove.h>
768134723edSLouis Dionne#include <__algorithm/remove_copy.h>
769134723edSLouis Dionne#include <__algorithm/remove_copy_if.h>
770134723edSLouis Dionne#include <__algorithm/remove_if.h>
771134723edSLouis Dionne#include <__algorithm/replace.h>
772134723edSLouis Dionne#include <__algorithm/replace_copy.h>
773134723edSLouis Dionne#include <__algorithm/replace_copy_if.h>
774134723edSLouis Dionne#include <__algorithm/replace_if.h>
775134723edSLouis Dionne#include <__algorithm/reverse.h>
776134723edSLouis Dionne#include <__algorithm/reverse_copy.h>
777134723edSLouis Dionne#include <__algorithm/rotate.h>
778134723edSLouis Dionne#include <__algorithm/rotate_copy.h>
779134723edSLouis Dionne#include <__algorithm/sample.h>
780134723edSLouis Dionne#include <__algorithm/search.h>
781134723edSLouis Dionne#include <__algorithm/search_n.h>
782134723edSLouis Dionne#include <__algorithm/set_difference.h>
783134723edSLouis Dionne#include <__algorithm/set_intersection.h>
784134723edSLouis Dionne#include <__algorithm/set_symmetric_difference.h>
785134723edSLouis Dionne#include <__algorithm/set_union.h>
786134723edSLouis Dionne#include <__algorithm/shift_left.h>
787134723edSLouis Dionne#include <__algorithm/shift_right.h>
788134723edSLouis Dionne#include <__algorithm/shuffle.h>
789134723edSLouis Dionne#include <__algorithm/sift_down.h>
790134723edSLouis Dionne#include <__algorithm/sort.h>
791134723edSLouis Dionne#include <__algorithm/sort_heap.h>
792134723edSLouis Dionne#include <__algorithm/stable_partition.h>
793134723edSLouis Dionne#include <__algorithm/stable_sort.h>
7946adbc83eSChristopher Di Bella#include <__algorithm/swap_ranges.h>
795134723edSLouis Dionne#include <__algorithm/transform.h>
796134723edSLouis Dionne#include <__algorithm/unique.h>
7974d81a46fSArthur O'Dwyer#include <__algorithm/unique_copy.h>
798134723edSLouis Dionne#include <__algorithm/unwrap_iter.h>
799134723edSLouis Dionne#include <__algorithm/upper_bound.h>
800c1bd9197SEric Fiselier
801073458b1SHoward Hinnant#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
8023e519524SHoward Hinnant#  pragma GCC system_header
803073458b1SHoward Hinnant#endif
8043e519524SHoward Hinnant
8050a06eb91SLouis Dionne#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
80695689243SLouis Dionne#   include <__pstl_algorithm>
8070a06eb91SLouis Dionne#endif
8080a06eb91SLouis Dionne
8093e519524SHoward Hinnant#endif // _LIBCPP_ALGORITHM
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