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
34*3b470d1cSNikolas Klauser  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
35*3b470d1cSNikolas Klauser    indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>             // since C++20
36*3b470d1cSNikolas Klauser  constexpr I min_element(I first, S last, Comp comp = {}, Proj proj = {});
37*3b470d1cSNikolas Klauser
38*3b470d1cSNikolas Klauser  template<forward_range R, class Proj = identity,
39*3b470d1cSNikolas Klauser    indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> // since C++20
40*3b470d1cSNikolas Klauser  constexpr borrowed_iterator_t<R> min_element(R&& r, Comp comp = {}, Proj proj = {});
41d3729bb3SNikolas Klauser}
42d3729bb3SNikolas Klauser
433e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
44706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
453e519524SHoward Hinnant    all_of(InputIterator first, InputIterator last, Predicate pred);
463e519524SHoward Hinnant
473e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
48706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
493e519524SHoward Hinnant    any_of(InputIterator first, InputIterator last, Predicate pred);
503e519524SHoward Hinnant
513e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
52706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
533e519524SHoward Hinnant    none_of(InputIterator first, InputIterator last, Predicate pred);
543e519524SHoward Hinnant
553e519524SHoward Hinnanttemplate <class InputIterator, class Function>
561b9a4ffdSMarshall Clow    constexpr Function          // constexpr in C++20
573e519524SHoward Hinnant    for_each(InputIterator first, InputIterator last, Function f);
583e519524SHoward Hinnant
59d5c65ffaSMarshall Clowtemplate<class InputIterator, class Size, class Function>
601b9a4ffdSMarshall Clow    constexpr InputIterator     // constexpr in C++20
611b9a4ffdSMarshall Clow    for_each_n(InputIterator first, Size n, Function f); // C++17
62d5c65ffaSMarshall Clow
633e519524SHoward Hinnanttemplate <class InputIterator, class T>
6449c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
653e519524SHoward Hinnant    find(InputIterator first, InputIterator last, const T& value);
663e519524SHoward Hinnant
673e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
6849c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
693e519524SHoward Hinnant    find_if(InputIterator first, InputIterator last, Predicate pred);
703e519524SHoward Hinnant
713e519524SHoward Hinnanttemplate<class InputIterator, class Predicate>
72b8bc4e15SArthur O'Dwyer    constexpr InputIterator     // constexpr in C++20
733e519524SHoward Hinnant    find_if_not(InputIterator first, InputIterator last, Predicate pred);
743e519524SHoward Hinnant
753e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
76b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
773e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
783e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2);
793e519524SHoward Hinnant
803e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
81b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
823e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
833e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
843e519524SHoward Hinnant
853e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
868694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
873e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
883e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2);
893e519524SHoward Hinnant
903e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
918694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
923e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
933e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
943e519524SHoward Hinnant
953e519524SHoward Hinnanttemplate <class ForwardIterator>
968694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
973e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last);
983e519524SHoward Hinnant
993e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
1008694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
1013e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
1023e519524SHoward Hinnant
1033e519524SHoward Hinnanttemplate <class InputIterator, class T>
104056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type  // constexpr in C++20
1053e519524SHoward Hinnant    count(InputIterator first, InputIterator last, const T& value);
1063e519524SHoward Hinnant
1073e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
108056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20
1093e519524SHoward Hinnant    count_if(InputIterator first, InputIterator last, Predicate pred);
1103e519524SHoward Hinnant
1113e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
1126538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1133e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
1143e519524SHoward Hinnant
1150b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
1166538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1170b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1180b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2); // **C++14**
1190b0bbd2fSMarshall Clow
1203e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1216538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1223e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1,
1233e519524SHoward Hinnant             InputIterator2 first2, BinaryPredicate pred);
1243e519524SHoward Hinnant
1250b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1266538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1270b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1280b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2,
1290b0bbd2fSMarshall Clow             BinaryPredicate pred); // **C++14**
1300b0bbd2fSMarshall Clow
1313e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
1326538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1333e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
1343e519524SHoward Hinnant
1350b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
1366538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1370b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
1380b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2); // **C++14**
1390b0bbd2fSMarshall Clow
1403e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1416538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1423e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1,
1433e519524SHoward Hinnant          InputIterator2 first2, BinaryPredicate pred);
1443e519524SHoward Hinnant
1450b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1466538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1470b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
1480b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2,
1490b0bbd2fSMarshall Clow          BinaryPredicate pred); // **C++14**
1500b0bbd2fSMarshall Clow
1513e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2>
15249c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1533e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1543e519524SHoward Hinnant                   ForwardIterator2 first2);
1553e519524SHoward Hinnant
1560b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2>
15749c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1580b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1590b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2); // **C++14**
1600b0bbd2fSMarshall Clow
1613e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
16249c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1633e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1643e519524SHoward Hinnant                   ForwardIterator2 first2, BinaryPredicate pred);
1653e519524SHoward Hinnant
1660b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
16749c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1680b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1690b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2,
1700b0bbd2fSMarshall Clow                   BinaryPredicate pred);  // **C++14**
1710b0bbd2fSMarshall Clow
1723e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
17312f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1743e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1753e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2);
1763e519524SHoward Hinnant
1773e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
17812f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1793e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1803e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
1813e519524SHoward Hinnant
1823e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T>
18312f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1843e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last, Size count, const T& value);
1853e519524SHoward Hinnant
1863e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T, class BinaryPredicate>
18712f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1883e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last,
1893e519524SHoward Hinnant             Size count, const T& value, BinaryPredicate pred);
1903e519524SHoward Hinnant
1913e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
19213c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1933e519524SHoward Hinnant    copy(InputIterator first, InputIterator last, OutputIterator result);
1943e519524SHoward Hinnant
1953e519524SHoward Hinnanttemplate<class InputIterator, class OutputIterator, class Predicate>
19613c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1973e519524SHoward Hinnant    copy_if(InputIterator first, InputIterator last,
1983e519524SHoward Hinnant            OutputIterator result, Predicate pred);
1993e519524SHoward Hinnant
2003e519524SHoward Hinnanttemplate<class InputIterator, class Size, class OutputIterator>
20113c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
2023e519524SHoward Hinnant    copy_n(InputIterator first, Size n, OutputIterator result);
2033e519524SHoward Hinnant
2043e519524SHoward Hinnanttemplate <class BidirectionalIterator1, class BidirectionalIterator2>
20513c90a57SLouis Dionne    constexpr BidirectionalIterator2      // constexpr in C++20
2063e519524SHoward Hinnant    copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last,
2073e519524SHoward Hinnant                  BidirectionalIterator2 result);
2083e519524SHoward Hinnant
2093e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
210b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator2    // constexpr in C++20
2113e519524SHoward Hinnant    swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2);
2123e519524SHoward Hinnant
2139d905319SNikolas Klausertemplate<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2>
2149d905319SNikolas Klauser        requires indirectly_swappable<I1, I2>
2159d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<I1, I2>
2169d905319SNikolas Klauser        ranges::swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2);
2179d905319SNikolas Klauser
2189d905319SNikolas Klausertemplate<input_range R1, input_range R2>
2199d905319SNikolas Klauser        requires indirectly_swappable<iterator_t<R1>, iterator_t<R2>>
2209d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
2219d905319SNikolas Klauser        ranges::swap_ranges(R1&& r1, R2&& r2);
2229d905319SNikolas Klauser
2233e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
224b8bc4e15SArthur O'Dwyer    constexpr void                // constexpr in C++20
2253e519524SHoward Hinnant    iter_swap(ForwardIterator1 a, ForwardIterator2 b);
2263e519524SHoward Hinnant
2273e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class UnaryOperation>
22899894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2293e519524SHoward Hinnant    transform(InputIterator first, InputIterator last, OutputIterator result, UnaryOperation op);
2303e519524SHoward Hinnant
2313e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class BinaryOperation>
23299894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2333e519524SHoward Hinnant    transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2,
2343e519524SHoward Hinnant              OutputIterator result, BinaryOperation binary_op);
2353e519524SHoward Hinnant
2363e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
23712c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2383e519524SHoward Hinnant    replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value);
2393e519524SHoward Hinnant
2403e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate, class T>
24112c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2423e519524SHoward Hinnant    replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value);
2433e519524SHoward Hinnant
2443e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
24512c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2463e519524SHoward Hinnant    replace_copy(InputIterator first, InputIterator last, OutputIterator result,
2473e519524SHoward Hinnant                 const T& old_value, const T& new_value);
2483e519524SHoward Hinnant
2493e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate, class T>
25012c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2513e519524SHoward Hinnant    replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value);
2523e519524SHoward Hinnant
2533e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
2544bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2553e519524SHoward Hinnant    fill(ForwardIterator first, ForwardIterator last, const T& value);
2563e519524SHoward Hinnant
2573e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class T>
2584bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2593e519524SHoward Hinnant    fill_n(OutputIterator first, Size n, const T& value);
2603e519524SHoward Hinnant
2613e519524SHoward Hinnanttemplate <class ForwardIterator, class Generator>
2624bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2633e519524SHoward Hinnant    generate(ForwardIterator first, ForwardIterator last, Generator gen);
2643e519524SHoward Hinnant
2653e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class Generator>
2664bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2673e519524SHoward Hinnant    generate_n(OutputIterator first, Size n, Generator gen);
2683e519524SHoward Hinnant
2693e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
270e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2713e519524SHoward Hinnant    remove(ForwardIterator first, ForwardIterator last, const T& value);
2723e519524SHoward Hinnant
2733e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
274e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2753e519524SHoward Hinnant    remove_if(ForwardIterator first, ForwardIterator last, Predicate pred);
2763e519524SHoward Hinnant
2773e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
278e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2793e519524SHoward Hinnant    remove_copy(InputIterator first, InputIterator last, OutputIterator result, const T& value);
2803e519524SHoward Hinnant
2813e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate>
282e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2833e519524SHoward Hinnant    remove_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred);
2843e519524SHoward Hinnant
2853e519524SHoward Hinnanttemplate <class ForwardIterator>
286b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2873e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last);
2883e519524SHoward Hinnant
2893e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
290b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2913e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
2923e519524SHoward Hinnant
2933e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
294b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
2953e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result);
2963e519524SHoward Hinnant
2973e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class BinaryPredicate>
298b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
2993e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result, BinaryPredicate pred);
3003e519524SHoward Hinnant
3013e519524SHoward Hinnanttemplate <class BidirectionalIterator>
302f851db3dSArthur O'Dwyer    constexpr void               // constexpr in C++20
3033e519524SHoward Hinnant    reverse(BidirectionalIterator first, BidirectionalIterator last);
3043e519524SHoward Hinnant
3053e519524SHoward Hinnanttemplate <class BidirectionalIterator, class OutputIterator>
306e8ea8296SMarshall Clow    constexpr OutputIterator       // constexpr in C++20
3073e519524SHoward Hinnant    reverse_copy(BidirectionalIterator first, BidirectionalIterator last, OutputIterator result);
3083e519524SHoward Hinnant
3093e519524SHoward Hinnanttemplate <class ForwardIterator>
310b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator      // constexpr in C++20
3113e519524SHoward Hinnant    rotate(ForwardIterator first, ForwardIterator middle, ForwardIterator last);
3123e519524SHoward Hinnant
3133e519524SHoward Hinnanttemplate <class ForwardIterator, class OutputIterator>
314b8bc4e15SArthur O'Dwyer    constexpr OutputIterator       // constexpr in C++20
3153e519524SHoward Hinnant    rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, OutputIterator result);
3163e519524SHoward Hinnant
3173e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3183e519524SHoward Hinnant    void
3190f37a410SMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last); // deprecated in C++14, removed in C++17
3203e519524SHoward Hinnant
3213e519524SHoward Hinnanttemplate <class RandomAccessIterator, class RandomNumberGenerator>
3223e519524SHoward Hinnant    void
32306965c1fSMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last,
3240f37a410SMarshall Clow                   RandomNumberGenerator& rand);  // deprecated in C++14, removed in C++17
3253e519524SHoward Hinnant
326e7154709SEric Fiseliertemplate<class PopulationIterator, class SampleIterator,
327e7154709SEric Fiselier         class Distance, class UniformRandomBitGenerator>
328e7154709SEric Fiselier    SampleIterator sample(PopulationIterator first, PopulationIterator last,
329e7154709SEric Fiselier                          SampleIterator out, Distance n,
330e7154709SEric Fiselier                          UniformRandomBitGenerator&& g); // C++17
331e7154709SEric Fiselier
332f9d540b0SHoward Hinnanttemplate<class RandomAccessIterator, class UniformRandomNumberGenerator>
333f9d540b0SHoward Hinnant    void shuffle(RandomAccessIterator first, RandomAccessIterator last,
334fb340102SHoward Hinnant                 UniformRandomNumberGenerator&& g);
335f9d540b0SHoward Hinnant
3363fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3373fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3383fbd3eafSArthur O'Dwyer    shift_left(ForwardIterator first, ForwardIterator last,
3393fbd3eafSArthur O'Dwyer               typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3403fbd3eafSArthur O'Dwyer
3413fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3423fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3433fbd3eafSArthur O'Dwyer    shift_right(ForwardIterator first, ForwardIterator last,
3443fbd3eafSArthur O'Dwyer                typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3453fbd3eafSArthur O'Dwyer
3463e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
34749c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3483e519524SHoward Hinnant    is_partitioned(InputIterator first, InputIterator last, Predicate pred);
3493e519524SHoward Hinnant
3503e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
351f851db3dSArthur O'Dwyer    constexpr ForwardIterator  // constexpr in C++20
3523e519524SHoward Hinnant    partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3533e519524SHoward Hinnant
3543e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator1,
3553e519524SHoward Hinnant          class OutputIterator2, class Predicate>
3561b9a4ffdSMarshall Clow    constexpr pair<OutputIterator1, OutputIterator2>   // constexpr in C++20
3573e519524SHoward Hinnant    partition_copy(InputIterator first, InputIterator last,
3583e519524SHoward Hinnant                   OutputIterator1 out_true, OutputIterator2 out_false,
3593e519524SHoward Hinnant                   Predicate pred);
3603e519524SHoward Hinnant
3613e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
3623e519524SHoward Hinnant    ForwardIterator
3633e519524SHoward Hinnant    stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3643e519524SHoward Hinnant
3653e519524SHoward Hinnanttemplate<class ForwardIterator, class Predicate>
366d57c03ddSMarshall Clow    constexpr ForwardIterator  // constexpr in C++20
3673e519524SHoward Hinnant    partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
3683e519524SHoward Hinnant
3693e519524SHoward Hinnanttemplate <class ForwardIterator>
37049c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3713e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last);
3723e519524SHoward Hinnant
3733e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
374b8bc4e15SArthur O'Dwyer    constexpr bool  // constexpr in C++20
3753e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last, Compare comp);
3763e519524SHoward Hinnant
3773e519524SHoward Hinnanttemplate<class ForwardIterator>
378056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3793e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last);
3803e519524SHoward Hinnant
3813e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
382056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3833e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp);
3843e519524SHoward Hinnant
3853e519524SHoward Hinnanttemplate <class RandomAccessIterator>
386493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3873e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last);
3883e519524SHoward Hinnant
3893e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
390493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3913e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
3923e519524SHoward Hinnant
3933e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3943e519524SHoward Hinnant    void
3953e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last);
3963e519524SHoward Hinnant
3973e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
3983e519524SHoward Hinnant    void
3993e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
4003e519524SHoward Hinnant
4013e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4025386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4033e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last);
4043e519524SHoward Hinnant
4053e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
4065386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4073e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp);
4083e519524SHoward Hinnant
4093e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator>
4105386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
4113e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
4123e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last);
4133e519524SHoward Hinnant
4143e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator, class Compare>
4155386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
4163e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
4173e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp);
4183e519524SHoward Hinnant
4193e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4205d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4213e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last);
4223e519524SHoward Hinnant
4233e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
4245d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4253e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp);
4263e519524SHoward Hinnant
4273e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
428d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4293e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value);
4303e519524SHoward Hinnant
4313e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
432d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4333e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4343e519524SHoward Hinnant
4353e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
436d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4373e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value);
4383e519524SHoward Hinnant
4393e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
440d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4413e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4423e519524SHoward Hinnant
4433e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
444d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4453e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value);
4463e519524SHoward Hinnant
4473e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
448d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4493e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4503e519524SHoward Hinnant
4513e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
452d57c03ddSMarshall Clow    constexpr bool                                    // constexpr in C++20
4533e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value);
4543e519524SHoward Hinnant
4553e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
4568da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4573e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4583e519524SHoward Hinnant
4593e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
46014098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4613e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4623e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4633e519524SHoward Hinnant
4643e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
46514098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4663e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4673e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4683e519524SHoward Hinnant
4693e519524SHoward Hinnanttemplate <class BidirectionalIterator>
4703e519524SHoward Hinnant    void
4713e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last);
4723e519524SHoward Hinnant
4733e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
4743e519524SHoward Hinnant    void
4753e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last, Compare comp);
4763e519524SHoward Hinnant
4773e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
4788da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4793e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
4803e519524SHoward Hinnant
4813e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
4828da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4833e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp);
4843e519524SHoward Hinnant
4853e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
48614098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4873e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4883e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4893e519524SHoward Hinnant
4903e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
49114098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4923e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4933e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4943e519524SHoward Hinnant
4953e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
4968da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
4973e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
4983e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4993e519524SHoward Hinnant
5003e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
5018da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
5023e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
5033e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5043e519524SHoward Hinnant
5053e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
50614098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5073e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
5083e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5093e519524SHoward Hinnant
5103e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
51114098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5123e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
5133e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5143e519524SHoward Hinnant
5153e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
51614098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5173e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
5183e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5193e519524SHoward Hinnant
5203e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
52114098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5223e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
5233e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5243e519524SHoward Hinnant
5253e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5265386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5273e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last);
5283e519524SHoward Hinnant
5293e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5305386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5313e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5323e519524SHoward Hinnant
5333e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5345386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5353e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last);
5363e519524SHoward Hinnant
5373e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5385386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5393e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5403e519524SHoward Hinnant
5413e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5425386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5433e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last);
5443e519524SHoward Hinnant
5453e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5465386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5473e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5483e519524SHoward Hinnant
5493e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5505386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5513e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last);
5523e519524SHoward Hinnant
5533e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5545386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5553e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5563e519524SHoward Hinnant
5573e519524SHoward Hinnanttemplate <class RandomAccessIterator>
55849c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5593e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last);
5603e519524SHoward Hinnant
5613e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
56249c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5633e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5643e519524SHoward Hinnant
5653e519524SHoward Hinnanttemplate <class RandomAccessIterator>
56649c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5673e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last);
5683e519524SHoward Hinnant
5693e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
57049c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5713e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5723e519524SHoward Hinnant
5734eb27b79SHoward Hinnanttemplate <class ForwardIterator>
574b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
575b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last);
5764eb27b79SHoward Hinnant
5774eb27b79SHoward Hinnanttemplate <class ForwardIterator, class Compare>
578b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
579b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last, Compare comp);
5804eb27b79SHoward Hinnant
5813e519524SHoward Hinnanttemplate <class T>
582b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
583b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b);
5843e519524SHoward Hinnant
5853e519524SHoward Hinnanttemplate <class T, class Compare>
586b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
587b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b, Compare comp);
5883e519524SHoward Hinnant
5893e519524SHoward Hinnanttemplate<class T>
590b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
591b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t);
5923e519524SHoward Hinnant
5933e519524SHoward Hinnanttemplate<class T, class Compare>
594b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
595b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t, Compare comp);
5963e519524SHoward Hinnant
597146c14acSMarshall Clowtemplate<class T>
598146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi);               // C++17
599146c14acSMarshall Clow
600146c14acSMarshall Clowtemplate<class T, class Compare>
601146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi, Compare comp); // C++17
602146c14acSMarshall Clow
6033e519524SHoward Hinnanttemplate <class ForwardIterator>
604b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
605b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last);
6063e519524SHoward Hinnant
6073e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
608b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
609b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last, Compare comp);
6103e519524SHoward Hinnant
6114eb27b79SHoward Hinnanttemplate <class T>
612b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
613b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b);
6144eb27b79SHoward Hinnant
6154eb27b79SHoward Hinnanttemplate <class T, class Compare>
616b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
617b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b, Compare comp);
6184eb27b79SHoward Hinnant
6194eb27b79SHoward Hinnanttemplate<class T>
620b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
621b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t);
6224eb27b79SHoward Hinnant
6234eb27b79SHoward Hinnanttemplate<class T, class Compare>
624b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
625b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t, Compare comp);
6264eb27b79SHoward Hinnant
6274eb27b79SHoward Hinnanttemplate<class ForwardIterator>
628b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
629b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last);
6304eb27b79SHoward Hinnant
6314eb27b79SHoward Hinnanttemplate<class ForwardIterator, class Compare>
632b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
633b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last, Compare comp);
6344eb27b79SHoward Hinnant
6354eb27b79SHoward Hinnanttemplate<class T>
636b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
637b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b);
6384eb27b79SHoward Hinnant
6394eb27b79SHoward Hinnanttemplate<class T, class Compare>
640b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
641b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b, Compare comp);
6424eb27b79SHoward Hinnant
6434eb27b79SHoward Hinnanttemplate<class T>
644b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
645b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t);
6464eb27b79SHoward Hinnant
6474eb27b79SHoward Hinnanttemplate<class T, class Compare>
648b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
649b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t, Compare comp);
6504eb27b79SHoward Hinnant
6513e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
6521b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6533e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
6543e519524SHoward Hinnant
6553e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
6561b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6573e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1,
6583e519524SHoward Hinnant                            InputIterator2 first2, InputIterator2 last2, Compare comp);
6593e519524SHoward Hinnant
6603e519524SHoward Hinnanttemplate <class BidirectionalIterator>
661f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6623e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last);
6633e519524SHoward Hinnant
6643e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
665f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6663e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6673e519524SHoward Hinnant
6683e519524SHoward Hinnanttemplate <class BidirectionalIterator>
669f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6703e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last);
6713e519524SHoward Hinnant
6723e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
673f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6743e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6753e519524SHoward Hinnant}  // std
6763e519524SHoward Hinnant
6773e519524SHoward Hinnant*/
6783e519524SHoward Hinnant
679ea2206d7SArthur O'Dwyer#include <__bits>
6803e519524SHoward Hinnant#include <__config>
681134723edSLouis Dionne#include <__debug>
682a1d07d57SHoward Hinnant#include <cstddef>
683bfbd73f8SArthur O'Dwyer#include <cstring>
684bfbd73f8SArthur O'Dwyer#include <functional>
685bfbd73f8SArthur O'Dwyer#include <initializer_list>
686bfbd73f8SArthur O'Dwyer#include <iterator>
687bfbd73f8SArthur O'Dwyer#include <memory>
688bfbd73f8SArthur O'Dwyer#include <type_traits>
689ea2206d7SArthur O'Dwyer#include <utility>
690f56972e2SMarshall Clow#include <version>
6915d1a701dSHoward Hinnant
692134723edSLouis Dionne#include <__algorithm/adjacent_find.h>
693134723edSLouis Dionne#include <__algorithm/all_of.h>
694134723edSLouis Dionne#include <__algorithm/any_of.h>
695134723edSLouis Dionne#include <__algorithm/binary_search.h>
696134723edSLouis Dionne#include <__algorithm/clamp.h>
697134723edSLouis Dionne#include <__algorithm/comp.h>
698134723edSLouis Dionne#include <__algorithm/comp_ref_type.h>
699134723edSLouis Dionne#include <__algorithm/copy.h>
700134723edSLouis Dionne#include <__algorithm/copy_backward.h>
701134723edSLouis Dionne#include <__algorithm/copy_if.h>
702134723edSLouis Dionne#include <__algorithm/copy_n.h>
703134723edSLouis Dionne#include <__algorithm/count.h>
704134723edSLouis Dionne#include <__algorithm/count_if.h>
705134723edSLouis Dionne#include <__algorithm/equal.h>
706134723edSLouis Dionne#include <__algorithm/equal_range.h>
707134723edSLouis Dionne#include <__algorithm/fill.h>
7084d81a46fSArthur O'Dwyer#include <__algorithm/fill_n.h>
709134723edSLouis Dionne#include <__algorithm/find.h>
710134723edSLouis Dionne#include <__algorithm/find_end.h>
711134723edSLouis Dionne#include <__algorithm/find_first_of.h>
712134723edSLouis Dionne#include <__algorithm/find_if.h>
713134723edSLouis Dionne#include <__algorithm/find_if_not.h>
714134723edSLouis Dionne#include <__algorithm/for_each.h>
715134723edSLouis Dionne#include <__algorithm/for_each_n.h>
716134723edSLouis Dionne#include <__algorithm/generate.h>
7174d81a46fSArthur O'Dwyer#include <__algorithm/generate_n.h>
718134723edSLouis Dionne#include <__algorithm/half_positive.h>
7191e77b396SNikolas Klauser#include <__algorithm/in_fun_result.h>
720f3514af4SNikolas Klauser#include <__algorithm/in_in_out_result.h>
721d3729bb3SNikolas Klauser#include <__algorithm/in_in_result.h>
722610979b3SNikolas Klauser#include <__algorithm/in_out_out_result.h>
7238d23b742SKonstantin Varlamov#include <__algorithm/in_out_result.h>
724134723edSLouis Dionne#include <__algorithm/includes.h>
725134723edSLouis Dionne#include <__algorithm/inplace_merge.h>
726134723edSLouis Dionne#include <__algorithm/is_heap.h>
727134723edSLouis Dionne#include <__algorithm/is_heap_until.h>
728134723edSLouis Dionne#include <__algorithm/is_partitioned.h>
729134723edSLouis Dionne#include <__algorithm/is_permutation.h>
730134723edSLouis Dionne#include <__algorithm/is_sorted.h>
731134723edSLouis Dionne#include <__algorithm/is_sorted_until.h>
7326adbc83eSChristopher Di Bella#include <__algorithm/iter_swap.h>
733134723edSLouis Dionne#include <__algorithm/lexicographical_compare.h>
734134723edSLouis Dionne#include <__algorithm/lower_bound.h>
735134723edSLouis Dionne#include <__algorithm/make_heap.h>
736134723edSLouis Dionne#include <__algorithm/max.h>
737134723edSLouis Dionne#include <__algorithm/max_element.h>
738134723edSLouis Dionne#include <__algorithm/merge.h>
739134723edSLouis Dionne#include <__algorithm/min.h>
740134723edSLouis Dionne#include <__algorithm/min_element.h>
741134723edSLouis Dionne#include <__algorithm/minmax.h>
742134723edSLouis Dionne#include <__algorithm/minmax_element.h>
743134723edSLouis Dionne#include <__algorithm/mismatch.h>
744134723edSLouis Dionne#include <__algorithm/move.h>
745134723edSLouis Dionne#include <__algorithm/move_backward.h>
746134723edSLouis Dionne#include <__algorithm/next_permutation.h>
747134723edSLouis Dionne#include <__algorithm/none_of.h>
748134723edSLouis Dionne#include <__algorithm/nth_element.h>
749134723edSLouis Dionne#include <__algorithm/partial_sort.h>
750134723edSLouis Dionne#include <__algorithm/partial_sort_copy.h>
751134723edSLouis Dionne#include <__algorithm/partition.h>
752134723edSLouis Dionne#include <__algorithm/partition_copy.h>
753134723edSLouis Dionne#include <__algorithm/partition_point.h>
754134723edSLouis Dionne#include <__algorithm/pop_heap.h>
755134723edSLouis Dionne#include <__algorithm/prev_permutation.h>
756134723edSLouis Dionne#include <__algorithm/push_heap.h>
757*3b470d1cSNikolas Klauser#include <__algorithm/ranges_min_element.h>
7589d905319SNikolas Klauser#include <__algorithm/ranges_swap_ranges.h>
759134723edSLouis Dionne#include <__algorithm/remove.h>
760134723edSLouis Dionne#include <__algorithm/remove_copy.h>
761134723edSLouis Dionne#include <__algorithm/remove_copy_if.h>
762134723edSLouis Dionne#include <__algorithm/remove_if.h>
763134723edSLouis Dionne#include <__algorithm/replace.h>
764134723edSLouis Dionne#include <__algorithm/replace_copy.h>
765134723edSLouis Dionne#include <__algorithm/replace_copy_if.h>
766134723edSLouis Dionne#include <__algorithm/replace_if.h>
767134723edSLouis Dionne#include <__algorithm/reverse.h>
768134723edSLouis Dionne#include <__algorithm/reverse_copy.h>
769134723edSLouis Dionne#include <__algorithm/rotate.h>
770134723edSLouis Dionne#include <__algorithm/rotate_copy.h>
771134723edSLouis Dionne#include <__algorithm/sample.h>
772134723edSLouis Dionne#include <__algorithm/search.h>
773134723edSLouis Dionne#include <__algorithm/search_n.h>
774134723edSLouis Dionne#include <__algorithm/set_difference.h>
775134723edSLouis Dionne#include <__algorithm/set_intersection.h>
776134723edSLouis Dionne#include <__algorithm/set_symmetric_difference.h>
777134723edSLouis Dionne#include <__algorithm/set_union.h>
778134723edSLouis Dionne#include <__algorithm/shift_left.h>
779134723edSLouis Dionne#include <__algorithm/shift_right.h>
780134723edSLouis Dionne#include <__algorithm/shuffle.h>
781134723edSLouis Dionne#include <__algorithm/sift_down.h>
782134723edSLouis Dionne#include <__algorithm/sort.h>
783134723edSLouis Dionne#include <__algorithm/sort_heap.h>
784134723edSLouis Dionne#include <__algorithm/stable_partition.h>
785134723edSLouis Dionne#include <__algorithm/stable_sort.h>
7866adbc83eSChristopher Di Bella#include <__algorithm/swap_ranges.h>
787134723edSLouis Dionne#include <__algorithm/transform.h>
788134723edSLouis Dionne#include <__algorithm/unique.h>
7894d81a46fSArthur O'Dwyer#include <__algorithm/unique_copy.h>
790134723edSLouis Dionne#include <__algorithm/unwrap_iter.h>
791134723edSLouis Dionne#include <__algorithm/upper_bound.h>
792c1bd9197SEric Fiselier
793073458b1SHoward Hinnant#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
7943e519524SHoward Hinnant#  pragma GCC system_header
795073458b1SHoward Hinnant#endif
7963e519524SHoward Hinnant
7970a06eb91SLouis Dionne#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
79895689243SLouis Dionne#   include <__pstl_algorithm>
7990a06eb91SLouis Dionne#endif
8000a06eb91SLouis Dionne
8013e519524SHoward Hinnant#endif // _LIBCPP_ALGORITHM
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