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
21*d3729bb3SNikolas Klausernamespace ranges {
22*d3729bb3SNikolas Klauser  template <class I1, class I2>
23*d3729bb3SNikolas Klauser    struct in_in_result; // since C++20
24*d3729bb3SNikolas Klauser}
25*d3729bb3SNikolas Klauser
263e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
27706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
283e519524SHoward Hinnant    all_of(InputIterator first, InputIterator last, Predicate pred);
293e519524SHoward Hinnant
303e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
31706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
323e519524SHoward Hinnant    any_of(InputIterator first, InputIterator last, Predicate pred);
333e519524SHoward Hinnant
343e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
35706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
363e519524SHoward Hinnant    none_of(InputIterator first, InputIterator last, Predicate pred);
373e519524SHoward Hinnant
383e519524SHoward Hinnanttemplate <class InputIterator, class Function>
391b9a4ffdSMarshall Clow    constexpr Function          // constexpr in C++20
403e519524SHoward Hinnant    for_each(InputIterator first, InputIterator last, Function f);
413e519524SHoward Hinnant
42d5c65ffaSMarshall Clowtemplate<class InputIterator, class Size, class Function>
431b9a4ffdSMarshall Clow    constexpr InputIterator     // constexpr in C++20
441b9a4ffdSMarshall Clow    for_each_n(InputIterator first, Size n, Function f); // C++17
45d5c65ffaSMarshall Clow
463e519524SHoward Hinnanttemplate <class InputIterator, class T>
4749c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
483e519524SHoward Hinnant    find(InputIterator first, InputIterator last, const T& value);
493e519524SHoward Hinnant
503e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
5149c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
523e519524SHoward Hinnant    find_if(InputIterator first, InputIterator last, Predicate pred);
533e519524SHoward Hinnant
543e519524SHoward Hinnanttemplate<class InputIterator, class Predicate>
55b8bc4e15SArthur O'Dwyer    constexpr InputIterator     // constexpr in C++20
563e519524SHoward Hinnant    find_if_not(InputIterator first, InputIterator last, Predicate pred);
573e519524SHoward Hinnant
583e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
59b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
603e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
613e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2);
623e519524SHoward Hinnant
633e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
64b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
653e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
663e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
673e519524SHoward Hinnant
683e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
698694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
703e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
713e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2);
723e519524SHoward Hinnant
733e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
748694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
753e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
763e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
773e519524SHoward Hinnant
783e519524SHoward Hinnanttemplate <class ForwardIterator>
798694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
803e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last);
813e519524SHoward Hinnant
823e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
838694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
843e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
853e519524SHoward Hinnant
863e519524SHoward Hinnanttemplate <class InputIterator, class T>
87056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type  // constexpr in C++20
883e519524SHoward Hinnant    count(InputIterator first, InputIterator last, const T& value);
893e519524SHoward Hinnant
903e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
91056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20
923e519524SHoward Hinnant    count_if(InputIterator first, InputIterator last, Predicate pred);
933e519524SHoward Hinnant
943e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
956538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
963e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
973e519524SHoward Hinnant
980b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
996538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1000b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1010b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2); // **C++14**
1020b0bbd2fSMarshall Clow
1033e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1046538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1053e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1,
1063e519524SHoward Hinnant             InputIterator2 first2, BinaryPredicate pred);
1073e519524SHoward Hinnant
1080b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1096538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1100b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1110b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2,
1120b0bbd2fSMarshall Clow             BinaryPredicate pred); // **C++14**
1130b0bbd2fSMarshall Clow
1143e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
1156538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1163e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
1173e519524SHoward Hinnant
1180b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
1196538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1200b0bbd2fSMarshall Clow    equal(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 bool      // constexpr in C++20
1253e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1,
1263e519524SHoward Hinnant          InputIterator2 first2, BinaryPredicate pred);
1273e519524SHoward Hinnant
1280b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1296538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1300b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
1310b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2,
1320b0bbd2fSMarshall Clow          BinaryPredicate pred); // **C++14**
1330b0bbd2fSMarshall Clow
1343e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2>
13549c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1363e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1373e519524SHoward Hinnant                   ForwardIterator2 first2);
1383e519524SHoward Hinnant
1390b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2>
14049c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1410b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1420b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2); // **C++14**
1430b0bbd2fSMarshall Clow
1443e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
14549c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1463e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1473e519524SHoward Hinnant                   ForwardIterator2 first2, BinaryPredicate pred);
1483e519524SHoward Hinnant
1490b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
15049c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1510b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1520b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2,
1530b0bbd2fSMarshall Clow                   BinaryPredicate pred);  // **C++14**
1540b0bbd2fSMarshall Clow
1553e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
15612f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1573e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1583e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2);
1593e519524SHoward Hinnant
1603e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
16112f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1623e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1633e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
1643e519524SHoward Hinnant
1653e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T>
16612f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1673e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last, Size count, const T& value);
1683e519524SHoward Hinnant
1693e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T, class BinaryPredicate>
17012f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1713e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last,
1723e519524SHoward Hinnant             Size count, const T& value, BinaryPredicate pred);
1733e519524SHoward Hinnant
1743e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
17513c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1763e519524SHoward Hinnant    copy(InputIterator first, InputIterator last, OutputIterator result);
1773e519524SHoward Hinnant
1783e519524SHoward Hinnanttemplate<class InputIterator, class OutputIterator, class Predicate>
17913c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1803e519524SHoward Hinnant    copy_if(InputIterator first, InputIterator last,
1813e519524SHoward Hinnant            OutputIterator result, Predicate pred);
1823e519524SHoward Hinnant
1833e519524SHoward Hinnanttemplate<class InputIterator, class Size, class OutputIterator>
18413c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1853e519524SHoward Hinnant    copy_n(InputIterator first, Size n, OutputIterator result);
1863e519524SHoward Hinnant
1873e519524SHoward Hinnanttemplate <class BidirectionalIterator1, class BidirectionalIterator2>
18813c90a57SLouis Dionne    constexpr BidirectionalIterator2      // constexpr in C++20
1893e519524SHoward Hinnant    copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last,
1903e519524SHoward Hinnant                  BidirectionalIterator2 result);
1913e519524SHoward Hinnant
1923e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
193b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator2    // constexpr in C++20
1943e519524SHoward Hinnant    swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2);
1953e519524SHoward Hinnant
1963e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
197b8bc4e15SArthur O'Dwyer    constexpr void                // constexpr in C++20
1983e519524SHoward Hinnant    iter_swap(ForwardIterator1 a, ForwardIterator2 b);
1993e519524SHoward Hinnant
2003e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class UnaryOperation>
20199894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2023e519524SHoward Hinnant    transform(InputIterator first, InputIterator last, OutputIterator result, UnaryOperation op);
2033e519524SHoward Hinnant
2043e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class BinaryOperation>
20599894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2063e519524SHoward Hinnant    transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2,
2073e519524SHoward Hinnant              OutputIterator result, BinaryOperation binary_op);
2083e519524SHoward Hinnant
2093e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
21012c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2113e519524SHoward Hinnant    replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value);
2123e519524SHoward Hinnant
2133e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate, class T>
21412c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2153e519524SHoward Hinnant    replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value);
2163e519524SHoward Hinnant
2173e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
21812c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2193e519524SHoward Hinnant    replace_copy(InputIterator first, InputIterator last, OutputIterator result,
2203e519524SHoward Hinnant                 const T& old_value, const T& new_value);
2213e519524SHoward Hinnant
2223e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate, class T>
22312c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2243e519524SHoward Hinnant    replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value);
2253e519524SHoward Hinnant
2263e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
2274bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2283e519524SHoward Hinnant    fill(ForwardIterator first, ForwardIterator last, const T& value);
2293e519524SHoward Hinnant
2303e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class T>
2314bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2323e519524SHoward Hinnant    fill_n(OutputIterator first, Size n, const T& value);
2333e519524SHoward Hinnant
2343e519524SHoward Hinnanttemplate <class ForwardIterator, class Generator>
2354bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2363e519524SHoward Hinnant    generate(ForwardIterator first, ForwardIterator last, Generator gen);
2373e519524SHoward Hinnant
2383e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class Generator>
2394bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2403e519524SHoward Hinnant    generate_n(OutputIterator first, Size n, Generator gen);
2413e519524SHoward Hinnant
2423e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
243e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2443e519524SHoward Hinnant    remove(ForwardIterator first, ForwardIterator last, const T& value);
2453e519524SHoward Hinnant
2463e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
247e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2483e519524SHoward Hinnant    remove_if(ForwardIterator first, ForwardIterator last, Predicate pred);
2493e519524SHoward Hinnant
2503e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
251e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2523e519524SHoward Hinnant    remove_copy(InputIterator first, InputIterator last, OutputIterator result, const T& value);
2533e519524SHoward Hinnant
2543e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate>
255e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2563e519524SHoward Hinnant    remove_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred);
2573e519524SHoward Hinnant
2583e519524SHoward Hinnanttemplate <class ForwardIterator>
259b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2603e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last);
2613e519524SHoward Hinnant
2623e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
263b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2643e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
2653e519524SHoward Hinnant
2663e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
267b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
2683e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result);
2693e519524SHoward Hinnant
2703e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class BinaryPredicate>
271b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
2723e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result, BinaryPredicate pred);
2733e519524SHoward Hinnant
2743e519524SHoward Hinnanttemplate <class BidirectionalIterator>
275f851db3dSArthur O'Dwyer    constexpr void               // constexpr in C++20
2763e519524SHoward Hinnant    reverse(BidirectionalIterator first, BidirectionalIterator last);
2773e519524SHoward Hinnant
2783e519524SHoward Hinnanttemplate <class BidirectionalIterator, class OutputIterator>
279e8ea8296SMarshall Clow    constexpr OutputIterator       // constexpr in C++20
2803e519524SHoward Hinnant    reverse_copy(BidirectionalIterator first, BidirectionalIterator last, OutputIterator result);
2813e519524SHoward Hinnant
2823e519524SHoward Hinnanttemplate <class ForwardIterator>
283b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator      // constexpr in C++20
2843e519524SHoward Hinnant    rotate(ForwardIterator first, ForwardIterator middle, ForwardIterator last);
2853e519524SHoward Hinnant
2863e519524SHoward Hinnanttemplate <class ForwardIterator, class OutputIterator>
287b8bc4e15SArthur O'Dwyer    constexpr OutputIterator       // constexpr in C++20
2883e519524SHoward Hinnant    rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, OutputIterator result);
2893e519524SHoward Hinnant
2903e519524SHoward Hinnanttemplate <class RandomAccessIterator>
2913e519524SHoward Hinnant    void
2920f37a410SMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last); // deprecated in C++14, removed in C++17
2933e519524SHoward Hinnant
2943e519524SHoward Hinnanttemplate <class RandomAccessIterator, class RandomNumberGenerator>
2953e519524SHoward Hinnant    void
29606965c1fSMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last,
2970f37a410SMarshall Clow                   RandomNumberGenerator& rand);  // deprecated in C++14, removed in C++17
2983e519524SHoward Hinnant
299e7154709SEric Fiseliertemplate<class PopulationIterator, class SampleIterator,
300e7154709SEric Fiselier         class Distance, class UniformRandomBitGenerator>
301e7154709SEric Fiselier    SampleIterator sample(PopulationIterator first, PopulationIterator last,
302e7154709SEric Fiselier                          SampleIterator out, Distance n,
303e7154709SEric Fiselier                          UniformRandomBitGenerator&& g); // C++17
304e7154709SEric Fiselier
305f9d540b0SHoward Hinnanttemplate<class RandomAccessIterator, class UniformRandomNumberGenerator>
306f9d540b0SHoward Hinnant    void shuffle(RandomAccessIterator first, RandomAccessIterator last,
307fb340102SHoward Hinnant                 UniformRandomNumberGenerator&& g);
308f9d540b0SHoward Hinnant
3093fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3103fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3113fbd3eafSArthur O'Dwyer    shift_left(ForwardIterator first, ForwardIterator last,
3123fbd3eafSArthur O'Dwyer               typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3133fbd3eafSArthur O'Dwyer
3143fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3153fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3163fbd3eafSArthur O'Dwyer    shift_right(ForwardIterator first, ForwardIterator last,
3173fbd3eafSArthur O'Dwyer                typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3183fbd3eafSArthur O'Dwyer
3193e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
32049c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3213e519524SHoward Hinnant    is_partitioned(InputIterator first, InputIterator last, Predicate pred);
3223e519524SHoward Hinnant
3233e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
324f851db3dSArthur O'Dwyer    constexpr ForwardIterator  // constexpr in C++20
3253e519524SHoward Hinnant    partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3263e519524SHoward Hinnant
3273e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator1,
3283e519524SHoward Hinnant          class OutputIterator2, class Predicate>
3291b9a4ffdSMarshall Clow    constexpr pair<OutputIterator1, OutputIterator2>   // constexpr in C++20
3303e519524SHoward Hinnant    partition_copy(InputIterator first, InputIterator last,
3313e519524SHoward Hinnant                   OutputIterator1 out_true, OutputIterator2 out_false,
3323e519524SHoward Hinnant                   Predicate pred);
3333e519524SHoward Hinnant
3343e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
3353e519524SHoward Hinnant    ForwardIterator
3363e519524SHoward Hinnant    stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3373e519524SHoward Hinnant
3383e519524SHoward Hinnanttemplate<class ForwardIterator, class Predicate>
339d57c03ddSMarshall Clow    constexpr ForwardIterator  // constexpr in C++20
3403e519524SHoward Hinnant    partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
3413e519524SHoward Hinnant
3423e519524SHoward Hinnanttemplate <class ForwardIterator>
34349c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3443e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last);
3453e519524SHoward Hinnant
3463e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
347b8bc4e15SArthur O'Dwyer    constexpr bool  // constexpr in C++20
3483e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last, Compare comp);
3493e519524SHoward Hinnant
3503e519524SHoward Hinnanttemplate<class ForwardIterator>
351056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3523e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last);
3533e519524SHoward Hinnant
3543e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
355056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3563e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp);
3573e519524SHoward Hinnant
3583e519524SHoward Hinnanttemplate <class RandomAccessIterator>
359493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3603e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last);
3613e519524SHoward Hinnant
3623e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
363493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3643e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
3653e519524SHoward Hinnant
3663e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3673e519524SHoward Hinnant    void
3683e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last);
3693e519524SHoward Hinnant
3703e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
3713e519524SHoward Hinnant    void
3723e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
3733e519524SHoward Hinnant
3743e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3755386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
3763e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last);
3773e519524SHoward Hinnant
3783e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
3795386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
3803e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp);
3813e519524SHoward Hinnant
3823e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator>
3835386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
3843e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
3853e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last);
3863e519524SHoward Hinnant
3873e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator, class Compare>
3885386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
3893e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
3903e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp);
3913e519524SHoward Hinnant
3923e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3935d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
3943e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last);
3953e519524SHoward Hinnant
3963e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
3975d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
3983e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp);
3993e519524SHoward Hinnant
4003e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
401d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4023e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value);
4033e519524SHoward Hinnant
4043e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
405d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4063e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4073e519524SHoward Hinnant
4083e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
409d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4103e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value);
4113e519524SHoward Hinnant
4123e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
413d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4143e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4153e519524SHoward Hinnant
4163e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
417d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4183e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value);
4193e519524SHoward Hinnant
4203e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
421d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4223e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4233e519524SHoward Hinnant
4243e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
425d57c03ddSMarshall Clow    constexpr bool                                    // constexpr in C++20
4263e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value);
4273e519524SHoward Hinnant
4283e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
4298da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4303e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4313e519524SHoward Hinnant
4323e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
43314098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4343e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4353e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4363e519524SHoward Hinnant
4373e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
43814098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4393e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4403e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4413e519524SHoward Hinnant
4423e519524SHoward Hinnanttemplate <class BidirectionalIterator>
4433e519524SHoward Hinnant    void
4443e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last);
4453e519524SHoward Hinnant
4463e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
4473e519524SHoward Hinnant    void
4483e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last, Compare comp);
4493e519524SHoward Hinnant
4503e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
4518da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4523e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
4533e519524SHoward Hinnant
4543e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
4558da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4563e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp);
4573e519524SHoward Hinnant
4583e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
45914098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4603e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4613e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4623e519524SHoward Hinnant
4633e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
46414098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4653e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4663e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4673e519524SHoward Hinnant
4683e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
4698da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
4703e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
4713e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4723e519524SHoward Hinnant
4733e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
4748da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
4753e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
4763e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4773e519524SHoward Hinnant
4783e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
47914098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
4803e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
4813e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4823e519524SHoward Hinnant
4833e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
48414098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
4853e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
4863e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4873e519524SHoward Hinnant
4883e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
48914098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
4903e519524SHoward Hinnant    set_symmetric_difference(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_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
4963e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4973e519524SHoward Hinnant
4983e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4995386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5003e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last);
5013e519524SHoward Hinnant
5023e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5035386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5043e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5053e519524SHoward Hinnant
5063e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5075386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5083e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last);
5093e519524SHoward Hinnant
5103e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5115386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5123e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5133e519524SHoward Hinnant
5143e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5155386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5163e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last);
5173e519524SHoward Hinnant
5183e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5195386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5203e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5213e519524SHoward Hinnant
5223e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5235386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5243e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last);
5253e519524SHoward Hinnant
5263e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5275386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5283e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5293e519524SHoward Hinnant
5303e519524SHoward Hinnanttemplate <class RandomAccessIterator>
53149c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5323e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last);
5333e519524SHoward Hinnant
5343e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
53549c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5363e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5373e519524SHoward Hinnant
5383e519524SHoward Hinnanttemplate <class RandomAccessIterator>
53949c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5403e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last);
5413e519524SHoward Hinnant
5423e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
54349c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5443e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5453e519524SHoward Hinnant
5464eb27b79SHoward Hinnanttemplate <class ForwardIterator>
547b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
548b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last);
5494eb27b79SHoward Hinnant
5504eb27b79SHoward Hinnanttemplate <class ForwardIterator, class Compare>
551b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
552b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last, Compare comp);
5534eb27b79SHoward Hinnant
5543e519524SHoward Hinnanttemplate <class T>
555b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
556b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b);
5573e519524SHoward Hinnant
5583e519524SHoward Hinnanttemplate <class T, class Compare>
559b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
560b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b, Compare comp);
5613e519524SHoward Hinnant
5623e519524SHoward Hinnanttemplate<class T>
563b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
564b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t);
5653e519524SHoward Hinnant
5663e519524SHoward Hinnanttemplate<class T, class Compare>
567b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
568b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t, Compare comp);
5693e519524SHoward Hinnant
570146c14acSMarshall Clowtemplate<class T>
571146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi);               // C++17
572146c14acSMarshall Clow
573146c14acSMarshall Clowtemplate<class T, class Compare>
574146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi, Compare comp); // C++17
575146c14acSMarshall Clow
5763e519524SHoward Hinnanttemplate <class ForwardIterator>
577b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
578b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last);
5793e519524SHoward Hinnant
5803e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
581b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
582b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last, Compare comp);
5833e519524SHoward Hinnant
5844eb27b79SHoward Hinnanttemplate <class T>
585b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
586b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b);
5874eb27b79SHoward Hinnant
5884eb27b79SHoward Hinnanttemplate <class T, class Compare>
589b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
590b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b, Compare comp);
5914eb27b79SHoward Hinnant
5924eb27b79SHoward Hinnanttemplate<class T>
593b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
594b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t);
5954eb27b79SHoward Hinnant
5964eb27b79SHoward Hinnanttemplate<class T, class Compare>
597b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
598b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t, Compare comp);
5994eb27b79SHoward Hinnant
6004eb27b79SHoward Hinnanttemplate<class ForwardIterator>
601b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
602b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last);
6034eb27b79SHoward Hinnant
6044eb27b79SHoward Hinnanttemplate<class ForwardIterator, class Compare>
605b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
606b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last, Compare comp);
6074eb27b79SHoward Hinnant
6084eb27b79SHoward Hinnanttemplate<class T>
609b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
610b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b);
6114eb27b79SHoward Hinnant
6124eb27b79SHoward Hinnanttemplate<class T, class Compare>
613b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
614b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b, Compare comp);
6154eb27b79SHoward Hinnant
6164eb27b79SHoward Hinnanttemplate<class T>
617b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
618b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t);
6194eb27b79SHoward Hinnant
6204eb27b79SHoward Hinnanttemplate<class T, class Compare>
621b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
622b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t, Compare comp);
6234eb27b79SHoward Hinnant
6243e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
6251b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6263e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
6273e519524SHoward Hinnant
6283e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
6291b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6303e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1,
6313e519524SHoward Hinnant                            InputIterator2 first2, InputIterator2 last2, Compare comp);
6323e519524SHoward Hinnant
6333e519524SHoward Hinnanttemplate <class BidirectionalIterator>
634f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6353e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last);
6363e519524SHoward Hinnant
6373e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
638f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6393e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6403e519524SHoward Hinnant
6413e519524SHoward Hinnanttemplate <class BidirectionalIterator>
642f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6433e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last);
6443e519524SHoward Hinnant
6453e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
646f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6473e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6483e519524SHoward Hinnant
6498d23b742SKonstantin Varlamovnamespace ranges {
6508d23b742SKonstantin Varlamov// [algorithms.results], algorithm result types
6518d23b742SKonstantin Varlamovtemplate<class InputIterator, class OutputIterator>
6528d23b742SKonstantin Varlamov    struct in_out_result;
6538d23b742SKonstantin Varlamov}
6548d23b742SKonstantin Varlamov
6553e519524SHoward Hinnant}  // std
6563e519524SHoward Hinnant
6573e519524SHoward Hinnant*/
6583e519524SHoward Hinnant
659cf54cb2eSNikolas Klauser#include <__bits> // __libcpp_clz
6603e519524SHoward Hinnant#include <__config>
661134723edSLouis Dionne#include <__debug>
662a1d07d57SHoward Hinnant#include <cstddef>
663bfbd73f8SArthur O'Dwyer#include <cstring>
664bfbd73f8SArthur O'Dwyer#include <functional>
665bfbd73f8SArthur O'Dwyer#include <initializer_list>
666bfbd73f8SArthur O'Dwyer#include <iterator>
667bfbd73f8SArthur O'Dwyer#include <memory>
668bfbd73f8SArthur O'Dwyer#include <type_traits>
669bfbd73f8SArthur O'Dwyer#include <utility> // swap_ranges
670f56972e2SMarshall Clow#include <version>
6715d1a701dSHoward Hinnant
672134723edSLouis Dionne#include <__algorithm/adjacent_find.h>
673134723edSLouis Dionne#include <__algorithm/all_of.h>
674134723edSLouis Dionne#include <__algorithm/any_of.h>
675134723edSLouis Dionne#include <__algorithm/binary_search.h>
676134723edSLouis Dionne#include <__algorithm/clamp.h>
677134723edSLouis Dionne#include <__algorithm/comp.h>
678134723edSLouis Dionne#include <__algorithm/comp_ref_type.h>
679134723edSLouis Dionne#include <__algorithm/copy.h>
680134723edSLouis Dionne#include <__algorithm/copy_backward.h>
681134723edSLouis Dionne#include <__algorithm/copy_if.h>
682134723edSLouis Dionne#include <__algorithm/copy_n.h>
683134723edSLouis Dionne#include <__algorithm/count.h>
684134723edSLouis Dionne#include <__algorithm/count_if.h>
685134723edSLouis Dionne#include <__algorithm/equal.h>
686134723edSLouis Dionne#include <__algorithm/equal_range.h>
687134723edSLouis Dionne#include <__algorithm/fill.h>
6884d81a46fSArthur O'Dwyer#include <__algorithm/fill_n.h>
689134723edSLouis Dionne#include <__algorithm/find.h>
690134723edSLouis Dionne#include <__algorithm/find_end.h>
691134723edSLouis Dionne#include <__algorithm/find_first_of.h>
692134723edSLouis Dionne#include <__algorithm/find_if.h>
693134723edSLouis Dionne#include <__algorithm/find_if_not.h>
694134723edSLouis Dionne#include <__algorithm/for_each.h>
695134723edSLouis Dionne#include <__algorithm/for_each_n.h>
696134723edSLouis Dionne#include <__algorithm/generate.h>
6974d81a46fSArthur O'Dwyer#include <__algorithm/generate_n.h>
698134723edSLouis Dionne#include <__algorithm/half_positive.h>
699*d3729bb3SNikolas Klauser#include <__algorithm/in_in_result.h>
7008d23b742SKonstantin Varlamov#include <__algorithm/in_out_result.h>
701134723edSLouis Dionne#include <__algorithm/includes.h>
702134723edSLouis Dionne#include <__algorithm/inplace_merge.h>
703134723edSLouis Dionne#include <__algorithm/is_heap.h>
704134723edSLouis Dionne#include <__algorithm/is_heap_until.h>
705134723edSLouis Dionne#include <__algorithm/is_partitioned.h>
706134723edSLouis Dionne#include <__algorithm/is_permutation.h>
707134723edSLouis Dionne#include <__algorithm/is_sorted.h>
708134723edSLouis Dionne#include <__algorithm/is_sorted_until.h>
7096adbc83eSChristopher Di Bella#include <__algorithm/iter_swap.h>
710134723edSLouis Dionne#include <__algorithm/lexicographical_compare.h>
711134723edSLouis Dionne#include <__algorithm/lower_bound.h>
712134723edSLouis Dionne#include <__algorithm/make_heap.h>
713134723edSLouis Dionne#include <__algorithm/max.h>
714134723edSLouis Dionne#include <__algorithm/max_element.h>
715134723edSLouis Dionne#include <__algorithm/merge.h>
716134723edSLouis Dionne#include <__algorithm/min.h>
717134723edSLouis Dionne#include <__algorithm/min_element.h>
718134723edSLouis Dionne#include <__algorithm/minmax.h>
719134723edSLouis Dionne#include <__algorithm/minmax_element.h>
720134723edSLouis Dionne#include <__algorithm/mismatch.h>
721134723edSLouis Dionne#include <__algorithm/move.h>
722134723edSLouis Dionne#include <__algorithm/move_backward.h>
723134723edSLouis Dionne#include <__algorithm/next_permutation.h>
724134723edSLouis Dionne#include <__algorithm/none_of.h>
725134723edSLouis Dionne#include <__algorithm/nth_element.h>
726134723edSLouis Dionne#include <__algorithm/partial_sort.h>
727134723edSLouis Dionne#include <__algorithm/partial_sort_copy.h>
728134723edSLouis Dionne#include <__algorithm/partition.h>
729134723edSLouis Dionne#include <__algorithm/partition_copy.h>
730134723edSLouis Dionne#include <__algorithm/partition_point.h>
731134723edSLouis Dionne#include <__algorithm/pop_heap.h>
732134723edSLouis Dionne#include <__algorithm/prev_permutation.h>
733134723edSLouis Dionne#include <__algorithm/push_heap.h>
734134723edSLouis Dionne#include <__algorithm/remove.h>
735134723edSLouis Dionne#include <__algorithm/remove_copy.h>
736134723edSLouis Dionne#include <__algorithm/remove_copy_if.h>
737134723edSLouis Dionne#include <__algorithm/remove_if.h>
738134723edSLouis Dionne#include <__algorithm/replace.h>
739134723edSLouis Dionne#include <__algorithm/replace_copy.h>
740134723edSLouis Dionne#include <__algorithm/replace_copy_if.h>
741134723edSLouis Dionne#include <__algorithm/replace_if.h>
742134723edSLouis Dionne#include <__algorithm/reverse.h>
743134723edSLouis Dionne#include <__algorithm/reverse_copy.h>
744134723edSLouis Dionne#include <__algorithm/rotate.h>
745134723edSLouis Dionne#include <__algorithm/rotate_copy.h>
746134723edSLouis Dionne#include <__algorithm/sample.h>
747134723edSLouis Dionne#include <__algorithm/search.h>
748134723edSLouis Dionne#include <__algorithm/search_n.h>
749134723edSLouis Dionne#include <__algorithm/set_difference.h>
750134723edSLouis Dionne#include <__algorithm/set_intersection.h>
751134723edSLouis Dionne#include <__algorithm/set_symmetric_difference.h>
752134723edSLouis Dionne#include <__algorithm/set_union.h>
753134723edSLouis Dionne#include <__algorithm/shift_left.h>
754134723edSLouis Dionne#include <__algorithm/shift_right.h>
755134723edSLouis Dionne#include <__algorithm/shuffle.h>
756134723edSLouis Dionne#include <__algorithm/sift_down.h>
757134723edSLouis Dionne#include <__algorithm/sort.h>
758134723edSLouis Dionne#include <__algorithm/sort_heap.h>
759134723edSLouis Dionne#include <__algorithm/stable_partition.h>
760134723edSLouis Dionne#include <__algorithm/stable_sort.h>
7616adbc83eSChristopher Di Bella#include <__algorithm/swap_ranges.h>
762134723edSLouis Dionne#include <__algorithm/transform.h>
763134723edSLouis Dionne#include <__algorithm/unique.h>
7644d81a46fSArthur O'Dwyer#include <__algorithm/unique_copy.h>
765134723edSLouis Dionne#include <__algorithm/unwrap_iter.h>
766134723edSLouis Dionne#include <__algorithm/upper_bound.h>
767c1bd9197SEric Fiselier
768073458b1SHoward Hinnant#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
7693e519524SHoward Hinnant#pragma GCC system_header
770073458b1SHoward Hinnant#endif
7713e519524SHoward Hinnant
7720a06eb91SLouis Dionne#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
77395689243SLouis Dionne#   include <__pstl_algorithm>
7740a06eb91SLouis Dionne#endif
7750a06eb91SLouis Dionne
7763e519524SHoward Hinnant#endif // _LIBCPP_ALGORITHM
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