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*807766beSNikolas Klauser  template <class I1, class I2>
35*807766beSNikolas Klauser    struct min_max_result;    // since C++20
36*807766beSNikolas Klauser
373b470d1cSNikolas Klauser  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
383b470d1cSNikolas Klauser    indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>             // since C++20
393b470d1cSNikolas Klauser  constexpr I min_element(I first, S last, Comp comp = {}, Proj proj = {});
403b470d1cSNikolas Klauser
413b470d1cSNikolas Klauser  template<forward_range R, class Proj = identity,
423b470d1cSNikolas Klauser    indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> // since C++20
433b470d1cSNikolas Klauser  constexpr borrowed_iterator_t<R> min_element(R&& r, Comp comp = {}, Proj proj = {});
44d3729bb3SNikolas Klauser}
45d3729bb3SNikolas Klauser
463e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
47706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
483e519524SHoward Hinnant    all_of(InputIterator first, InputIterator last, Predicate pred);
493e519524SHoward Hinnant
503e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
51706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
523e519524SHoward Hinnant    any_of(InputIterator first, InputIterator last, Predicate pred);
533e519524SHoward Hinnant
543e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
55706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
563e519524SHoward Hinnant    none_of(InputIterator first, InputIterator last, Predicate pred);
573e519524SHoward Hinnant
583e519524SHoward Hinnanttemplate <class InputIterator, class Function>
591b9a4ffdSMarshall Clow    constexpr Function          // constexpr in C++20
603e519524SHoward Hinnant    for_each(InputIterator first, InputIterator last, Function f);
613e519524SHoward Hinnant
62d5c65ffaSMarshall Clowtemplate<class InputIterator, class Size, class Function>
631b9a4ffdSMarshall Clow    constexpr InputIterator     // constexpr in C++20
641b9a4ffdSMarshall Clow    for_each_n(InputIterator first, Size n, Function f); // C++17
65d5c65ffaSMarshall Clow
663e519524SHoward Hinnanttemplate <class InputIterator, class T>
6749c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
683e519524SHoward Hinnant    find(InputIterator first, InputIterator last, const T& value);
693e519524SHoward Hinnant
703e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
7149c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
723e519524SHoward Hinnant    find_if(InputIterator first, InputIterator last, Predicate pred);
733e519524SHoward Hinnant
743e519524SHoward Hinnanttemplate<class InputIterator, class Predicate>
75b8bc4e15SArthur O'Dwyer    constexpr InputIterator     // constexpr in C++20
763e519524SHoward Hinnant    find_if_not(InputIterator first, InputIterator last, Predicate pred);
773e519524SHoward Hinnant
783e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
79b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
803e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
813e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2);
823e519524SHoward Hinnant
833e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
84b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
853e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
863e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
873e519524SHoward Hinnant
883e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
898694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
903e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
913e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2);
923e519524SHoward Hinnant
933e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
948694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
953e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
963e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
973e519524SHoward Hinnant
983e519524SHoward Hinnanttemplate <class ForwardIterator>
998694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
1003e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last);
1013e519524SHoward Hinnant
1023e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
1038694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
1043e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
1053e519524SHoward Hinnant
1063e519524SHoward Hinnanttemplate <class InputIterator, class T>
107056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type  // constexpr in C++20
1083e519524SHoward Hinnant    count(InputIterator first, InputIterator last, const T& value);
1093e519524SHoward Hinnant
1103e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
111056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20
1123e519524SHoward Hinnant    count_if(InputIterator first, InputIterator last, Predicate pred);
1133e519524SHoward Hinnant
1143e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
1156538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1163e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
1173e519524SHoward Hinnant
1180b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
1196538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1200b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1210b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2); // **C++14**
1220b0bbd2fSMarshall Clow
1233e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1246538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1253e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1,
1263e519524SHoward Hinnant             InputIterator2 first2, BinaryPredicate pred);
1273e519524SHoward Hinnant
1280b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1296538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1300b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1310b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2,
1320b0bbd2fSMarshall Clow             BinaryPredicate pred); // **C++14**
1330b0bbd2fSMarshall Clow
1343e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
1356538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1363e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
1373e519524SHoward Hinnant
1380b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
1396538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1400b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
1410b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2); // **C++14**
1420b0bbd2fSMarshall Clow
1433e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1446538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1453e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1,
1463e519524SHoward Hinnant          InputIterator2 first2, BinaryPredicate pred);
1473e519524SHoward Hinnant
1480b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1496538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1500b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
1510b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2,
1520b0bbd2fSMarshall Clow          BinaryPredicate pred); // **C++14**
1530b0bbd2fSMarshall Clow
1543e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2>
15549c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1563e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1573e519524SHoward Hinnant                   ForwardIterator2 first2);
1583e519524SHoward Hinnant
1590b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2>
16049c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1610b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1620b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2); // **C++14**
1630b0bbd2fSMarshall Clow
1643e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
16549c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1663e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1673e519524SHoward Hinnant                   ForwardIterator2 first2, BinaryPredicate pred);
1683e519524SHoward Hinnant
1690b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
17049c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1710b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1720b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2,
1730b0bbd2fSMarshall Clow                   BinaryPredicate pred);  // **C++14**
1740b0bbd2fSMarshall Clow
1753e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
17612f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1773e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1783e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2);
1793e519524SHoward Hinnant
1803e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
18112f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1823e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1833e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
1843e519524SHoward Hinnant
1853e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T>
18612f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1873e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last, Size count, const T& value);
1883e519524SHoward Hinnant
1893e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T, class BinaryPredicate>
19012f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1913e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last,
1923e519524SHoward Hinnant             Size count, const T& value, BinaryPredicate pred);
1933e519524SHoward Hinnant
1943e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
19513c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1963e519524SHoward Hinnant    copy(InputIterator first, InputIterator last, OutputIterator result);
1973e519524SHoward Hinnant
1983e519524SHoward Hinnanttemplate<class InputIterator, class OutputIterator, class Predicate>
19913c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
2003e519524SHoward Hinnant    copy_if(InputIterator first, InputIterator last,
2013e519524SHoward Hinnant            OutputIterator result, Predicate pred);
2023e519524SHoward Hinnant
2033e519524SHoward Hinnanttemplate<class InputIterator, class Size, class OutputIterator>
20413c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
2053e519524SHoward Hinnant    copy_n(InputIterator first, Size n, OutputIterator result);
2063e519524SHoward Hinnant
2073e519524SHoward Hinnanttemplate <class BidirectionalIterator1, class BidirectionalIterator2>
20813c90a57SLouis Dionne    constexpr BidirectionalIterator2      // constexpr in C++20
2093e519524SHoward Hinnant    copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last,
2103e519524SHoward Hinnant                  BidirectionalIterator2 result);
2113e519524SHoward Hinnant
2123e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
213b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator2    // constexpr in C++20
2143e519524SHoward Hinnant    swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2);
2153e519524SHoward Hinnant
2169d905319SNikolas Klausertemplate<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2>
2179d905319SNikolas Klauser        requires indirectly_swappable<I1, I2>
2189d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<I1, I2>
2199d905319SNikolas Klauser        ranges::swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2);
2209d905319SNikolas Klauser
2219d905319SNikolas Klausertemplate<input_range R1, input_range R2>
2229d905319SNikolas Klauser        requires indirectly_swappable<iterator_t<R1>, iterator_t<R2>>
2239d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
2249d905319SNikolas Klauser        ranges::swap_ranges(R1&& r1, R2&& r2);
2259d905319SNikolas Klauser
2263e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
227b8bc4e15SArthur O'Dwyer    constexpr void                // constexpr in C++20
2283e519524SHoward Hinnant    iter_swap(ForwardIterator1 a, ForwardIterator2 b);
2293e519524SHoward Hinnant
2303e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class UnaryOperation>
23199894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2323e519524SHoward Hinnant    transform(InputIterator first, InputIterator last, OutputIterator result, UnaryOperation op);
2333e519524SHoward Hinnant
2343e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class BinaryOperation>
23599894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2363e519524SHoward Hinnant    transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2,
2373e519524SHoward Hinnant              OutputIterator result, BinaryOperation binary_op);
2383e519524SHoward Hinnant
2393e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
24012c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2413e519524SHoward Hinnant    replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value);
2423e519524SHoward Hinnant
2433e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate, class T>
24412c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2453e519524SHoward Hinnant    replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value);
2463e519524SHoward Hinnant
2473e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
24812c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2493e519524SHoward Hinnant    replace_copy(InputIterator first, InputIterator last, OutputIterator result,
2503e519524SHoward Hinnant                 const T& old_value, const T& new_value);
2513e519524SHoward Hinnant
2523e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate, class T>
25312c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2543e519524SHoward Hinnant    replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value);
2553e519524SHoward Hinnant
2563e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
2574bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2583e519524SHoward Hinnant    fill(ForwardIterator first, ForwardIterator last, const T& value);
2593e519524SHoward Hinnant
2603e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class T>
2614bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2623e519524SHoward Hinnant    fill_n(OutputIterator first, Size n, const T& value);
2633e519524SHoward Hinnant
2643e519524SHoward Hinnanttemplate <class ForwardIterator, class Generator>
2654bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2663e519524SHoward Hinnant    generate(ForwardIterator first, ForwardIterator last, Generator gen);
2673e519524SHoward Hinnant
2683e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class Generator>
2694bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2703e519524SHoward Hinnant    generate_n(OutputIterator first, Size n, Generator gen);
2713e519524SHoward Hinnant
2723e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
273e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2743e519524SHoward Hinnant    remove(ForwardIterator first, ForwardIterator last, const T& value);
2753e519524SHoward Hinnant
2763e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
277e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2783e519524SHoward Hinnant    remove_if(ForwardIterator first, ForwardIterator last, Predicate pred);
2793e519524SHoward Hinnant
2803e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
281e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2823e519524SHoward Hinnant    remove_copy(InputIterator first, InputIterator last, OutputIterator result, const T& value);
2833e519524SHoward Hinnant
2843e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate>
285e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2863e519524SHoward Hinnant    remove_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred);
2873e519524SHoward Hinnant
2883e519524SHoward Hinnanttemplate <class ForwardIterator>
289b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2903e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last);
2913e519524SHoward Hinnant
2923e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
293b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2943e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
2953e519524SHoward Hinnant
2963e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
297b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
2983e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result);
2993e519524SHoward Hinnant
3003e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class BinaryPredicate>
301b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
3023e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result, BinaryPredicate pred);
3033e519524SHoward Hinnant
3043e519524SHoward Hinnanttemplate <class BidirectionalIterator>
305f851db3dSArthur O'Dwyer    constexpr void               // constexpr in C++20
3063e519524SHoward Hinnant    reverse(BidirectionalIterator first, BidirectionalIterator last);
3073e519524SHoward Hinnant
3083e519524SHoward Hinnanttemplate <class BidirectionalIterator, class OutputIterator>
309e8ea8296SMarshall Clow    constexpr OutputIterator       // constexpr in C++20
3103e519524SHoward Hinnant    reverse_copy(BidirectionalIterator first, BidirectionalIterator last, OutputIterator result);
3113e519524SHoward Hinnant
3123e519524SHoward Hinnanttemplate <class ForwardIterator>
313b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator      // constexpr in C++20
3143e519524SHoward Hinnant    rotate(ForwardIterator first, ForwardIterator middle, ForwardIterator last);
3153e519524SHoward Hinnant
3163e519524SHoward Hinnanttemplate <class ForwardIterator, class OutputIterator>
317b8bc4e15SArthur O'Dwyer    constexpr OutputIterator       // constexpr in C++20
3183e519524SHoward Hinnant    rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, OutputIterator result);
3193e519524SHoward Hinnant
3203e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3213e519524SHoward Hinnant    void
3220f37a410SMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last); // deprecated in C++14, removed in C++17
3233e519524SHoward Hinnant
3243e519524SHoward Hinnanttemplate <class RandomAccessIterator, class RandomNumberGenerator>
3253e519524SHoward Hinnant    void
32606965c1fSMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last,
3270f37a410SMarshall Clow                   RandomNumberGenerator& rand);  // deprecated in C++14, removed in C++17
3283e519524SHoward Hinnant
329e7154709SEric Fiseliertemplate<class PopulationIterator, class SampleIterator,
330e7154709SEric Fiselier         class Distance, class UniformRandomBitGenerator>
331e7154709SEric Fiselier    SampleIterator sample(PopulationIterator first, PopulationIterator last,
332e7154709SEric Fiselier                          SampleIterator out, Distance n,
333e7154709SEric Fiselier                          UniformRandomBitGenerator&& g); // C++17
334e7154709SEric Fiselier
335f9d540b0SHoward Hinnanttemplate<class RandomAccessIterator, class UniformRandomNumberGenerator>
336f9d540b0SHoward Hinnant    void shuffle(RandomAccessIterator first, RandomAccessIterator last,
337fb340102SHoward Hinnant                 UniformRandomNumberGenerator&& g);
338f9d540b0SHoward Hinnant
3393fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3403fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3413fbd3eafSArthur O'Dwyer    shift_left(ForwardIterator first, ForwardIterator last,
3423fbd3eafSArthur O'Dwyer               typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3433fbd3eafSArthur O'Dwyer
3443fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3453fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3463fbd3eafSArthur O'Dwyer    shift_right(ForwardIterator first, ForwardIterator last,
3473fbd3eafSArthur O'Dwyer                typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3483fbd3eafSArthur O'Dwyer
3493e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
35049c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3513e519524SHoward Hinnant    is_partitioned(InputIterator first, InputIterator last, Predicate pred);
3523e519524SHoward Hinnant
3533e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
354f851db3dSArthur O'Dwyer    constexpr ForwardIterator  // constexpr in C++20
3553e519524SHoward Hinnant    partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3563e519524SHoward Hinnant
3573e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator1,
3583e519524SHoward Hinnant          class OutputIterator2, class Predicate>
3591b9a4ffdSMarshall Clow    constexpr pair<OutputIterator1, OutputIterator2>   // constexpr in C++20
3603e519524SHoward Hinnant    partition_copy(InputIterator first, InputIterator last,
3613e519524SHoward Hinnant                   OutputIterator1 out_true, OutputIterator2 out_false,
3623e519524SHoward Hinnant                   Predicate pred);
3633e519524SHoward Hinnant
3643e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
3653e519524SHoward Hinnant    ForwardIterator
3663e519524SHoward Hinnant    stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3673e519524SHoward Hinnant
3683e519524SHoward Hinnanttemplate<class ForwardIterator, class Predicate>
369d57c03ddSMarshall Clow    constexpr ForwardIterator  // constexpr in C++20
3703e519524SHoward Hinnant    partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
3713e519524SHoward Hinnant
3723e519524SHoward Hinnanttemplate <class ForwardIterator>
37349c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3743e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last);
3753e519524SHoward Hinnant
3763e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
377b8bc4e15SArthur O'Dwyer    constexpr bool  // constexpr in C++20
3783e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last, Compare comp);
3793e519524SHoward Hinnant
3803e519524SHoward Hinnanttemplate<class ForwardIterator>
381056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3823e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last);
3833e519524SHoward Hinnant
3843e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
385056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3863e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp);
3873e519524SHoward Hinnant
3883e519524SHoward Hinnanttemplate <class RandomAccessIterator>
389493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3903e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last);
3913e519524SHoward Hinnant
3923e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
393493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3943e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
3953e519524SHoward Hinnant
3963e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3973e519524SHoward Hinnant    void
3983e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last);
3993e519524SHoward Hinnant
4003e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
4013e519524SHoward Hinnant    void
4023e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
4033e519524SHoward Hinnant
4043e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4055386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4063e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last);
4073e519524SHoward Hinnant
4083e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
4095386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4103e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp);
4113e519524SHoward Hinnant
4123e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator>
4135386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
4143e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
4153e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last);
4163e519524SHoward Hinnant
4173e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator, class Compare>
4185386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
4193e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
4203e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp);
4213e519524SHoward Hinnant
4223e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4235d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4243e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last);
4253e519524SHoward Hinnant
4263e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
4275d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4283e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp);
4293e519524SHoward Hinnant
4303e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
431d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4323e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value);
4333e519524SHoward Hinnant
4343e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
435d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4363e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4373e519524SHoward Hinnant
4383e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
439d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4403e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value);
4413e519524SHoward Hinnant
4423e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
443d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4443e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4453e519524SHoward Hinnant
4463e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
447d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4483e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value);
4493e519524SHoward Hinnant
4503e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
451d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4523e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4533e519524SHoward Hinnant
4543e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
455d57c03ddSMarshall Clow    constexpr bool                                    // constexpr in C++20
4563e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value);
4573e519524SHoward Hinnant
4583e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
4598da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4603e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4613e519524SHoward Hinnant
4623e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
46314098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4643e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4653e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4663e519524SHoward Hinnant
4673e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
46814098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4693e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4703e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4713e519524SHoward Hinnant
4723e519524SHoward Hinnanttemplate <class BidirectionalIterator>
4733e519524SHoward Hinnant    void
4743e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last);
4753e519524SHoward Hinnant
4763e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
4773e519524SHoward Hinnant    void
4783e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last, Compare comp);
4793e519524SHoward Hinnant
4803e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
4818da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4823e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
4833e519524SHoward Hinnant
4843e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
4858da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4863e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp);
4873e519524SHoward Hinnant
4883e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
48914098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4903e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4913e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4923e519524SHoward Hinnant
4933e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
49414098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4953e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4963e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4973e519524SHoward Hinnant
4983e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
4998da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
5003e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
5013e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5023e519524SHoward Hinnant
5033e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
5048da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
5053e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
5063e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5073e519524SHoward Hinnant
5083e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
50914098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5103e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
5113e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5123e519524SHoward Hinnant
5133e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
51414098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5153e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
5163e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5173e519524SHoward Hinnant
5183e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
51914098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5203e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
5213e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5223e519524SHoward Hinnant
5233e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
52414098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5253e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
5263e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5273e519524SHoward Hinnant
5283e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5295386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5303e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last);
5313e519524SHoward Hinnant
5323e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5335386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5343e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5353e519524SHoward Hinnant
5363e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5375386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5383e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last);
5393e519524SHoward Hinnant
5403e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5415386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5423e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5433e519524SHoward Hinnant
5443e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5455386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5463e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last);
5473e519524SHoward Hinnant
5483e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5495386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5503e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5513e519524SHoward Hinnant
5523e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5535386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5543e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last);
5553e519524SHoward Hinnant
5563e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5575386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5583e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5593e519524SHoward Hinnant
5603e519524SHoward Hinnanttemplate <class RandomAccessIterator>
56149c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5623e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last);
5633e519524SHoward Hinnant
5643e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
56549c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5663e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5673e519524SHoward Hinnant
5683e519524SHoward Hinnanttemplate <class RandomAccessIterator>
56949c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5703e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last);
5713e519524SHoward Hinnant
5723e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
57349c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5743e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5753e519524SHoward Hinnant
5764eb27b79SHoward Hinnanttemplate <class ForwardIterator>
577b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
578b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last);
5794eb27b79SHoward Hinnant
5804eb27b79SHoward Hinnanttemplate <class ForwardIterator, class Compare>
581b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
582b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last, Compare comp);
5834eb27b79SHoward Hinnant
5843e519524SHoward Hinnanttemplate <class T>
585b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
586b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b);
5873e519524SHoward Hinnant
5883e519524SHoward Hinnanttemplate <class T, class Compare>
589b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
590b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b, Compare comp);
5913e519524SHoward Hinnant
5923e519524SHoward Hinnanttemplate<class T>
593b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
594b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t);
5953e519524SHoward Hinnant
5963e519524SHoward Hinnanttemplate<class T, class Compare>
597b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
598b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t, Compare comp);
5993e519524SHoward Hinnant
600146c14acSMarshall Clowtemplate<class T>
601146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi);               // C++17
602146c14acSMarshall Clow
603146c14acSMarshall Clowtemplate<class T, class Compare>
604146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi, Compare comp); // C++17
605146c14acSMarshall Clow
6063e519524SHoward Hinnanttemplate <class ForwardIterator>
607b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
608b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last);
6093e519524SHoward Hinnant
6103e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
611b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
612b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last, Compare comp);
6133e519524SHoward Hinnant
6144eb27b79SHoward Hinnanttemplate <class T>
615b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
616b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b);
6174eb27b79SHoward Hinnant
6184eb27b79SHoward Hinnanttemplate <class T, class Compare>
619b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
620b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b, Compare comp);
6214eb27b79SHoward Hinnant
6224eb27b79SHoward Hinnanttemplate<class T>
623b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
624b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t);
6254eb27b79SHoward Hinnant
6264eb27b79SHoward Hinnanttemplate<class T, class Compare>
627b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
628b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t, Compare comp);
6294eb27b79SHoward Hinnant
6304eb27b79SHoward Hinnanttemplate<class ForwardIterator>
631b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
632b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last);
6334eb27b79SHoward Hinnant
6344eb27b79SHoward Hinnanttemplate<class ForwardIterator, class Compare>
635b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
636b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last, Compare comp);
6374eb27b79SHoward Hinnant
6384eb27b79SHoward Hinnanttemplate<class T>
639b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
640b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b);
6414eb27b79SHoward Hinnant
6424eb27b79SHoward Hinnanttemplate<class T, class Compare>
643b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
644b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b, Compare comp);
6454eb27b79SHoward Hinnant
6464eb27b79SHoward Hinnanttemplate<class T>
647b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
648b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t);
6494eb27b79SHoward Hinnant
6504eb27b79SHoward Hinnanttemplate<class T, class Compare>
651b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
652b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t, Compare comp);
6534eb27b79SHoward Hinnant
6543e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
6551b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6563e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
6573e519524SHoward Hinnant
6583e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
6591b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6603e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1,
6613e519524SHoward Hinnant                            InputIterator2 first2, InputIterator2 last2, Compare comp);
6623e519524SHoward Hinnant
6633e519524SHoward Hinnanttemplate <class BidirectionalIterator>
664f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6653e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last);
6663e519524SHoward Hinnant
6673e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
668f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6693e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6703e519524SHoward Hinnant
6713e519524SHoward Hinnanttemplate <class BidirectionalIterator>
672f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6733e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last);
6743e519524SHoward Hinnant
6753e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
676f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6773e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6783e519524SHoward Hinnant}  // std
6793e519524SHoward Hinnant
6803e519524SHoward Hinnant*/
6813e519524SHoward Hinnant
682ea2206d7SArthur O'Dwyer#include <__bits>
6833e519524SHoward Hinnant#include <__config>
684134723edSLouis Dionne#include <__debug>
685a1d07d57SHoward Hinnant#include <cstddef>
686bfbd73f8SArthur O'Dwyer#include <cstring>
687bfbd73f8SArthur O'Dwyer#include <functional>
688bfbd73f8SArthur O'Dwyer#include <initializer_list>
689bfbd73f8SArthur O'Dwyer#include <iterator>
690bfbd73f8SArthur O'Dwyer#include <memory>
691bfbd73f8SArthur O'Dwyer#include <type_traits>
692ea2206d7SArthur O'Dwyer#include <utility>
693f56972e2SMarshall Clow#include <version>
6945d1a701dSHoward Hinnant
695134723edSLouis Dionne#include <__algorithm/adjacent_find.h>
696134723edSLouis Dionne#include <__algorithm/all_of.h>
697134723edSLouis Dionne#include <__algorithm/any_of.h>
698134723edSLouis Dionne#include <__algorithm/binary_search.h>
699134723edSLouis Dionne#include <__algorithm/clamp.h>
700134723edSLouis Dionne#include <__algorithm/comp.h>
701134723edSLouis Dionne#include <__algorithm/comp_ref_type.h>
702134723edSLouis Dionne#include <__algorithm/copy.h>
703134723edSLouis Dionne#include <__algorithm/copy_backward.h>
704134723edSLouis Dionne#include <__algorithm/copy_if.h>
705134723edSLouis Dionne#include <__algorithm/copy_n.h>
706134723edSLouis Dionne#include <__algorithm/count.h>
707134723edSLouis Dionne#include <__algorithm/count_if.h>
708134723edSLouis Dionne#include <__algorithm/equal.h>
709134723edSLouis Dionne#include <__algorithm/equal_range.h>
710134723edSLouis Dionne#include <__algorithm/fill.h>
7114d81a46fSArthur O'Dwyer#include <__algorithm/fill_n.h>
712134723edSLouis Dionne#include <__algorithm/find.h>
713134723edSLouis Dionne#include <__algorithm/find_end.h>
714134723edSLouis Dionne#include <__algorithm/find_first_of.h>
715134723edSLouis Dionne#include <__algorithm/find_if.h>
716134723edSLouis Dionne#include <__algorithm/find_if_not.h>
717134723edSLouis Dionne#include <__algorithm/for_each.h>
718134723edSLouis Dionne#include <__algorithm/for_each_n.h>
719134723edSLouis Dionne#include <__algorithm/generate.h>
7204d81a46fSArthur O'Dwyer#include <__algorithm/generate_n.h>
721134723edSLouis Dionne#include <__algorithm/half_positive.h>
7221e77b396SNikolas Klauser#include <__algorithm/in_fun_result.h>
723f3514af4SNikolas Klauser#include <__algorithm/in_in_out_result.h>
724d3729bb3SNikolas Klauser#include <__algorithm/in_in_result.h>
725610979b3SNikolas Klauser#include <__algorithm/in_out_out_result.h>
7268d23b742SKonstantin Varlamov#include <__algorithm/in_out_result.h>
727134723edSLouis Dionne#include <__algorithm/includes.h>
728134723edSLouis Dionne#include <__algorithm/inplace_merge.h>
729134723edSLouis Dionne#include <__algorithm/is_heap.h>
730134723edSLouis Dionne#include <__algorithm/is_heap_until.h>
731134723edSLouis Dionne#include <__algorithm/is_partitioned.h>
732134723edSLouis Dionne#include <__algorithm/is_permutation.h>
733134723edSLouis Dionne#include <__algorithm/is_sorted.h>
734134723edSLouis Dionne#include <__algorithm/is_sorted_until.h>
7356adbc83eSChristopher Di Bella#include <__algorithm/iter_swap.h>
736134723edSLouis Dionne#include <__algorithm/lexicographical_compare.h>
737134723edSLouis Dionne#include <__algorithm/lower_bound.h>
738134723edSLouis Dionne#include <__algorithm/make_heap.h>
739134723edSLouis Dionne#include <__algorithm/max.h>
740134723edSLouis Dionne#include <__algorithm/max_element.h>
741134723edSLouis Dionne#include <__algorithm/merge.h>
742134723edSLouis Dionne#include <__algorithm/min.h>
743134723edSLouis Dionne#include <__algorithm/min_element.h>
744*807766beSNikolas Klauser#include <__algorithm/min_max_result.h>
745134723edSLouis Dionne#include <__algorithm/minmax.h>
746134723edSLouis Dionne#include <__algorithm/minmax_element.h>
747134723edSLouis Dionne#include <__algorithm/mismatch.h>
748134723edSLouis Dionne#include <__algorithm/move.h>
749134723edSLouis Dionne#include <__algorithm/move_backward.h>
750134723edSLouis Dionne#include <__algorithm/next_permutation.h>
751134723edSLouis Dionne#include <__algorithm/none_of.h>
752134723edSLouis Dionne#include <__algorithm/nth_element.h>
753134723edSLouis Dionne#include <__algorithm/partial_sort.h>
754134723edSLouis Dionne#include <__algorithm/partial_sort_copy.h>
755134723edSLouis Dionne#include <__algorithm/partition.h>
756134723edSLouis Dionne#include <__algorithm/partition_copy.h>
757134723edSLouis Dionne#include <__algorithm/partition_point.h>
758134723edSLouis Dionne#include <__algorithm/pop_heap.h>
759134723edSLouis Dionne#include <__algorithm/prev_permutation.h>
760134723edSLouis Dionne#include <__algorithm/push_heap.h>
7613b470d1cSNikolas Klauser#include <__algorithm/ranges_min_element.h>
7629d905319SNikolas Klauser#include <__algorithm/ranges_swap_ranges.h>
763134723edSLouis Dionne#include <__algorithm/remove.h>
764134723edSLouis Dionne#include <__algorithm/remove_copy.h>
765134723edSLouis Dionne#include <__algorithm/remove_copy_if.h>
766134723edSLouis Dionne#include <__algorithm/remove_if.h>
767134723edSLouis Dionne#include <__algorithm/replace.h>
768134723edSLouis Dionne#include <__algorithm/replace_copy.h>
769134723edSLouis Dionne#include <__algorithm/replace_copy_if.h>
770134723edSLouis Dionne#include <__algorithm/replace_if.h>
771134723edSLouis Dionne#include <__algorithm/reverse.h>
772134723edSLouis Dionne#include <__algorithm/reverse_copy.h>
773134723edSLouis Dionne#include <__algorithm/rotate.h>
774134723edSLouis Dionne#include <__algorithm/rotate_copy.h>
775134723edSLouis Dionne#include <__algorithm/sample.h>
776134723edSLouis Dionne#include <__algorithm/search.h>
777134723edSLouis Dionne#include <__algorithm/search_n.h>
778134723edSLouis Dionne#include <__algorithm/set_difference.h>
779134723edSLouis Dionne#include <__algorithm/set_intersection.h>
780134723edSLouis Dionne#include <__algorithm/set_symmetric_difference.h>
781134723edSLouis Dionne#include <__algorithm/set_union.h>
782134723edSLouis Dionne#include <__algorithm/shift_left.h>
783134723edSLouis Dionne#include <__algorithm/shift_right.h>
784134723edSLouis Dionne#include <__algorithm/shuffle.h>
785134723edSLouis Dionne#include <__algorithm/sift_down.h>
786134723edSLouis Dionne#include <__algorithm/sort.h>
787134723edSLouis Dionne#include <__algorithm/sort_heap.h>
788134723edSLouis Dionne#include <__algorithm/stable_partition.h>
789134723edSLouis Dionne#include <__algorithm/stable_sort.h>
7906adbc83eSChristopher Di Bella#include <__algorithm/swap_ranges.h>
791134723edSLouis Dionne#include <__algorithm/transform.h>
792134723edSLouis Dionne#include <__algorithm/unique.h>
7934d81a46fSArthur O'Dwyer#include <__algorithm/unique_copy.h>
794134723edSLouis Dionne#include <__algorithm/unwrap_iter.h>
795134723edSLouis Dionne#include <__algorithm/upper_bound.h>
796c1bd9197SEric Fiselier
797073458b1SHoward Hinnant#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
7983e519524SHoward Hinnant#  pragma GCC system_header
799073458b1SHoward Hinnant#endif
8003e519524SHoward Hinnant
8010a06eb91SLouis Dionne#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
80295689243SLouis Dionne#   include <__pstl_algorithm>
8030a06eb91SLouis Dionne#endif
8040a06eb91SLouis Dionne
8053e519524SHoward Hinnant#endif // _LIBCPP_ALGORITHM
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