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 {
22d3729bb3SNikolas Klauser  template <class I1, class I2>
23d3729bb3SNikolas Klauser    struct in_in_result;     // since C++20
24f3514af4SNikolas Klauser
25f3514af4SNikolas Klauser  template <class I1, class I2, class O>
26f3514af4SNikolas Klauser    struct in_in_out_result; // since C++20
27610979b3SNikolas Klauser
28610979b3SNikolas Klauser  template <class I, class O1, class O2>
29610979b3SNikolas Klauser    struct in_out_out_result; // since C++20
30d3729bb3SNikolas Klauser}
31d3729bb3SNikolas Klauser
323e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
33706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
343e519524SHoward Hinnant    all_of(InputIterator first, InputIterator last, Predicate pred);
353e519524SHoward Hinnant
363e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
37706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
383e519524SHoward Hinnant    any_of(InputIterator first, InputIterator last, Predicate pred);
393e519524SHoward Hinnant
403e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
41706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
423e519524SHoward Hinnant    none_of(InputIterator first, InputIterator last, Predicate pred);
433e519524SHoward Hinnant
443e519524SHoward Hinnanttemplate <class InputIterator, class Function>
451b9a4ffdSMarshall Clow    constexpr Function          // constexpr in C++20
463e519524SHoward Hinnant    for_each(InputIterator first, InputIterator last, Function f);
473e519524SHoward Hinnant
48d5c65ffaSMarshall Clowtemplate<class InputIterator, class Size, class Function>
491b9a4ffdSMarshall Clow    constexpr InputIterator     // constexpr in C++20
501b9a4ffdSMarshall Clow    for_each_n(InputIterator first, Size n, Function f); // C++17
51d5c65ffaSMarshall Clow
523e519524SHoward Hinnanttemplate <class InputIterator, class T>
5349c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
543e519524SHoward Hinnant    find(InputIterator first, InputIterator last, const T& value);
553e519524SHoward Hinnant
563e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
5749c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
583e519524SHoward Hinnant    find_if(InputIterator first, InputIterator last, Predicate pred);
593e519524SHoward Hinnant
603e519524SHoward Hinnanttemplate<class InputIterator, class Predicate>
61b8bc4e15SArthur O'Dwyer    constexpr InputIterator     // constexpr in C++20
623e519524SHoward Hinnant    find_if_not(InputIterator first, InputIterator last, Predicate pred);
633e519524SHoward Hinnant
643e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
65b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
663e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
673e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2);
683e519524SHoward Hinnant
693e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
70b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
713e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
723e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
733e519524SHoward Hinnant
743e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
758694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
763e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
773e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2);
783e519524SHoward Hinnant
793e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
808694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
813e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
823e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
833e519524SHoward Hinnant
843e519524SHoward Hinnanttemplate <class ForwardIterator>
858694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
863e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last);
873e519524SHoward Hinnant
883e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
898694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
903e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
913e519524SHoward Hinnant
923e519524SHoward Hinnanttemplate <class InputIterator, class T>
93056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type  // constexpr in C++20
943e519524SHoward Hinnant    count(InputIterator first, InputIterator last, const T& value);
953e519524SHoward Hinnant
963e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
97056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20
983e519524SHoward Hinnant    count_if(InputIterator first, InputIterator last, Predicate pred);
993e519524SHoward Hinnant
1003e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
1016538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1023e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
1033e519524SHoward Hinnant
1040b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
1056538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1060b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1070b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2); // **C++14**
1080b0bbd2fSMarshall Clow
1093e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1106538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1113e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1,
1123e519524SHoward Hinnant             InputIterator2 first2, BinaryPredicate pred);
1133e519524SHoward Hinnant
1140b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1156538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
1160b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
1170b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2,
1180b0bbd2fSMarshall Clow             BinaryPredicate pred); // **C++14**
1190b0bbd2fSMarshall Clow
1203e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
1216538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1223e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
1233e519524SHoward Hinnant
1240b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
1256538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1260b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
1270b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2); // **C++14**
1280b0bbd2fSMarshall Clow
1293e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1306538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1313e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1,
1323e519524SHoward Hinnant          InputIterator2 first2, BinaryPredicate pred);
1333e519524SHoward Hinnant
1340b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
1356538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
1360b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
1370b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2,
1380b0bbd2fSMarshall Clow          BinaryPredicate pred); // **C++14**
1390b0bbd2fSMarshall Clow
1403e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2>
14149c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1423e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1433e519524SHoward Hinnant                   ForwardIterator2 first2);
1443e519524SHoward Hinnant
1450b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2>
14649c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1470b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1480b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2); // **C++14**
1490b0bbd2fSMarshall Clow
1503e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
15149c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1523e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1533e519524SHoward Hinnant                   ForwardIterator2 first2, BinaryPredicate pred);
1543e519524SHoward Hinnant
1550b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
15649c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
1570b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
1580b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2,
1590b0bbd2fSMarshall Clow                   BinaryPredicate pred);  // **C++14**
1600b0bbd2fSMarshall Clow
1613e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
16212f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1633e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1643e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2);
1653e519524SHoward Hinnant
1663e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
16712f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
1683e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
1693e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
1703e519524SHoward Hinnant
1713e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T>
17212f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1733e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last, Size count, const T& value);
1743e519524SHoward Hinnant
1753e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T, class BinaryPredicate>
17612f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
1773e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last,
1783e519524SHoward Hinnant             Size count, const T& value, BinaryPredicate pred);
1793e519524SHoward Hinnant
1803e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
18113c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1823e519524SHoward Hinnant    copy(InputIterator first, InputIterator last, OutputIterator result);
1833e519524SHoward Hinnant
1843e519524SHoward Hinnanttemplate<class InputIterator, class OutputIterator, class Predicate>
18513c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1863e519524SHoward Hinnant    copy_if(InputIterator first, InputIterator last,
1873e519524SHoward Hinnant            OutputIterator result, Predicate pred);
1883e519524SHoward Hinnant
1893e519524SHoward Hinnanttemplate<class InputIterator, class Size, class OutputIterator>
19013c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
1913e519524SHoward Hinnant    copy_n(InputIterator first, Size n, OutputIterator result);
1923e519524SHoward Hinnant
1933e519524SHoward Hinnanttemplate <class BidirectionalIterator1, class BidirectionalIterator2>
19413c90a57SLouis Dionne    constexpr BidirectionalIterator2      // constexpr in C++20
1953e519524SHoward Hinnant    copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last,
1963e519524SHoward Hinnant                  BidirectionalIterator2 result);
1973e519524SHoward Hinnant
1983e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
199b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator2    // constexpr in C++20
2003e519524SHoward Hinnant    swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2);
2013e519524SHoward Hinnant
202*9d905319SNikolas Klausertemplate<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2>
203*9d905319SNikolas Klauser        requires indirectly_swappable<I1, I2>
204*9d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<I1, I2>
205*9d905319SNikolas Klauser        ranges::swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2);
206*9d905319SNikolas Klauser
207*9d905319SNikolas Klausertemplate<input_range R1, input_range R2>
208*9d905319SNikolas Klauser        requires indirectly_swappable<iterator_t<R1>, iterator_t<R2>>
209*9d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
210*9d905319SNikolas Klauser        ranges::swap_ranges(R1&& r1, R2&& r2);
211*9d905319SNikolas Klauser
2123e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
213b8bc4e15SArthur O'Dwyer    constexpr void                // constexpr in C++20
2143e519524SHoward Hinnant    iter_swap(ForwardIterator1 a, ForwardIterator2 b);
2153e519524SHoward Hinnant
2163e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class UnaryOperation>
21799894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2183e519524SHoward Hinnant    transform(InputIterator first, InputIterator last, OutputIterator result, UnaryOperation op);
2193e519524SHoward Hinnant
2203e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class BinaryOperation>
22199894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2223e519524SHoward Hinnant    transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2,
2233e519524SHoward Hinnant              OutputIterator result, BinaryOperation binary_op);
2243e519524SHoward Hinnant
2253e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
22612c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2273e519524SHoward Hinnant    replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value);
2283e519524SHoward Hinnant
2293e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate, class T>
23012c7423fSMarshall Clow    constexpr void      // constexpr in C++20
2313e519524SHoward Hinnant    replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value);
2323e519524SHoward Hinnant
2333e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
23412c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2353e519524SHoward Hinnant    replace_copy(InputIterator first, InputIterator last, OutputIterator result,
2363e519524SHoward Hinnant                 const T& old_value, const T& new_value);
2373e519524SHoward Hinnant
2383e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate, class T>
23912c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2403e519524SHoward Hinnant    replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value);
2413e519524SHoward Hinnant
2423e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
2434bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2443e519524SHoward Hinnant    fill(ForwardIterator first, ForwardIterator last, const T& value);
2453e519524SHoward Hinnant
2463e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class T>
2474bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2483e519524SHoward Hinnant    fill_n(OutputIterator first, Size n, const T& value);
2493e519524SHoward Hinnant
2503e519524SHoward Hinnanttemplate <class ForwardIterator, class Generator>
2514bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
2523e519524SHoward Hinnant    generate(ForwardIterator first, ForwardIterator last, Generator gen);
2533e519524SHoward Hinnant
2543e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class Generator>
2554bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
2563e519524SHoward Hinnant    generate_n(OutputIterator first, Size n, Generator gen);
2573e519524SHoward Hinnant
2583e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
259e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2603e519524SHoward Hinnant    remove(ForwardIterator first, ForwardIterator last, const T& value);
2613e519524SHoward Hinnant
2623e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
263e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
2643e519524SHoward Hinnant    remove_if(ForwardIterator first, ForwardIterator last, Predicate pred);
2653e519524SHoward Hinnant
2663e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
267e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2683e519524SHoward Hinnant    remove_copy(InputIterator first, InputIterator last, OutputIterator result, const T& value);
2693e519524SHoward Hinnant
2703e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate>
271e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
2723e519524SHoward Hinnant    remove_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred);
2733e519524SHoward Hinnant
2743e519524SHoward Hinnanttemplate <class ForwardIterator>
275b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2763e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last);
2773e519524SHoward Hinnant
2783e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
279b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
2803e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
2813e519524SHoward Hinnant
2823e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
283b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
2843e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result);
2853e519524SHoward Hinnant
2863e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class BinaryPredicate>
287b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
2883e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result, BinaryPredicate pred);
2893e519524SHoward Hinnant
2903e519524SHoward Hinnanttemplate <class BidirectionalIterator>
291f851db3dSArthur O'Dwyer    constexpr void               // constexpr in C++20
2923e519524SHoward Hinnant    reverse(BidirectionalIterator first, BidirectionalIterator last);
2933e519524SHoward Hinnant
2943e519524SHoward Hinnanttemplate <class BidirectionalIterator, class OutputIterator>
295e8ea8296SMarshall Clow    constexpr OutputIterator       // constexpr in C++20
2963e519524SHoward Hinnant    reverse_copy(BidirectionalIterator first, BidirectionalIterator last, OutputIterator result);
2973e519524SHoward Hinnant
2983e519524SHoward Hinnanttemplate <class ForwardIterator>
299b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator      // constexpr in C++20
3003e519524SHoward Hinnant    rotate(ForwardIterator first, ForwardIterator middle, ForwardIterator last);
3013e519524SHoward Hinnant
3023e519524SHoward Hinnanttemplate <class ForwardIterator, class OutputIterator>
303b8bc4e15SArthur O'Dwyer    constexpr OutputIterator       // constexpr in C++20
3043e519524SHoward Hinnant    rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, OutputIterator result);
3053e519524SHoward Hinnant
3063e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3073e519524SHoward Hinnant    void
3080f37a410SMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last); // deprecated in C++14, removed in C++17
3093e519524SHoward Hinnant
3103e519524SHoward Hinnanttemplate <class RandomAccessIterator, class RandomNumberGenerator>
3113e519524SHoward Hinnant    void
31206965c1fSMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last,
3130f37a410SMarshall Clow                   RandomNumberGenerator& rand);  // deprecated in C++14, removed in C++17
3143e519524SHoward Hinnant
315e7154709SEric Fiseliertemplate<class PopulationIterator, class SampleIterator,
316e7154709SEric Fiselier         class Distance, class UniformRandomBitGenerator>
317e7154709SEric Fiselier    SampleIterator sample(PopulationIterator first, PopulationIterator last,
318e7154709SEric Fiselier                          SampleIterator out, Distance n,
319e7154709SEric Fiselier                          UniformRandomBitGenerator&& g); // C++17
320e7154709SEric Fiselier
321f9d540b0SHoward Hinnanttemplate<class RandomAccessIterator, class UniformRandomNumberGenerator>
322f9d540b0SHoward Hinnant    void shuffle(RandomAccessIterator first, RandomAccessIterator last,
323fb340102SHoward Hinnant                 UniformRandomNumberGenerator&& g);
324f9d540b0SHoward Hinnant
3253fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3263fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3273fbd3eafSArthur O'Dwyer    shift_left(ForwardIterator first, ForwardIterator last,
3283fbd3eafSArthur O'Dwyer               typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3293fbd3eafSArthur O'Dwyer
3303fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
3313fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
3323fbd3eafSArthur O'Dwyer    shift_right(ForwardIterator first, ForwardIterator last,
3333fbd3eafSArthur O'Dwyer                typename iterator_traits<ForwardIterator>::difference_type n); // C++20
3343fbd3eafSArthur O'Dwyer
3353e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
33649c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3373e519524SHoward Hinnant    is_partitioned(InputIterator first, InputIterator last, Predicate pred);
3383e519524SHoward Hinnant
3393e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
340f851db3dSArthur O'Dwyer    constexpr ForwardIterator  // constexpr in C++20
3413e519524SHoward Hinnant    partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3423e519524SHoward Hinnant
3433e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator1,
3443e519524SHoward Hinnant          class OutputIterator2, class Predicate>
3451b9a4ffdSMarshall Clow    constexpr pair<OutputIterator1, OutputIterator2>   // constexpr in C++20
3463e519524SHoward Hinnant    partition_copy(InputIterator first, InputIterator last,
3473e519524SHoward Hinnant                   OutputIterator1 out_true, OutputIterator2 out_false,
3483e519524SHoward Hinnant                   Predicate pred);
3493e519524SHoward Hinnant
3503e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
3513e519524SHoward Hinnant    ForwardIterator
3523e519524SHoward Hinnant    stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred);
3533e519524SHoward Hinnant
3543e519524SHoward Hinnanttemplate<class ForwardIterator, class Predicate>
355d57c03ddSMarshall Clow    constexpr ForwardIterator  // constexpr in C++20
3563e519524SHoward Hinnant    partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
3573e519524SHoward Hinnant
3583e519524SHoward Hinnanttemplate <class ForwardIterator>
35949c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
3603e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last);
3613e519524SHoward Hinnant
3623e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
363b8bc4e15SArthur O'Dwyer    constexpr bool  // constexpr in C++20
3643e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last, Compare comp);
3653e519524SHoward Hinnant
3663e519524SHoward Hinnanttemplate<class ForwardIterator>
367056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3683e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last);
3693e519524SHoward Hinnant
3703e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
371056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
3723e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp);
3733e519524SHoward Hinnant
3743e519524SHoward Hinnanttemplate <class RandomAccessIterator>
375493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3763e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last);
3773e519524SHoward Hinnant
3783e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
379493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
3803e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
3813e519524SHoward Hinnant
3823e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3833e519524SHoward Hinnant    void
3843e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last);
3853e519524SHoward Hinnant
3863e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
3873e519524SHoward Hinnant    void
3883e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
3893e519524SHoward Hinnant
3903e519524SHoward Hinnanttemplate <class RandomAccessIterator>
3915386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
3923e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last);
3933e519524SHoward Hinnant
3943e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
3955386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
3963e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp);
3973e519524SHoward Hinnant
3983e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator>
3995386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
4003e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
4013e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last);
4023e519524SHoward Hinnant
4033e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator, class Compare>
4045386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
4053e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
4063e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp);
4073e519524SHoward Hinnant
4083e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4095d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4103e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last);
4113e519524SHoward Hinnant
4123e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
4135d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
4143e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp);
4153e519524SHoward Hinnant
4163e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
417d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4183e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value);
4193e519524SHoward Hinnant
4203e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
421d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4223e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4233e519524SHoward Hinnant
4243e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
425d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4263e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value);
4273e519524SHoward Hinnant
4283e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
429d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
4303e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4313e519524SHoward Hinnant
4323e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
433d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4343e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value);
4353e519524SHoward Hinnant
4363e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
437d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
4383e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4393e519524SHoward Hinnant
4403e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
441d57c03ddSMarshall Clow    constexpr bool                                    // constexpr in C++20
4423e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value);
4433e519524SHoward Hinnant
4443e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
4458da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4463e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
4473e519524SHoward Hinnant
4483e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
44914098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4503e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4513e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4523e519524SHoward Hinnant
4533e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
45414098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4553e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
4563e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4573e519524SHoward Hinnant
4583e519524SHoward Hinnanttemplate <class BidirectionalIterator>
4593e519524SHoward Hinnant    void
4603e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last);
4613e519524SHoward Hinnant
4623e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
4633e519524SHoward Hinnant    void
4643e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last, Compare comp);
4653e519524SHoward Hinnant
4663e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
4678da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4683e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
4693e519524SHoward Hinnant
4703e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
4718da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
4723e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp);
4733e519524SHoward Hinnant
4743e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
47514098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4763e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4773e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4783e519524SHoward Hinnant
4793e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
48014098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
4813e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
4823e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4833e519524SHoward Hinnant
4843e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
4858da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
4863e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
4873e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4883e519524SHoward Hinnant
4893e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
4908da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
4913e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
4923e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
4933e519524SHoward Hinnant
4943e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
49514098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
4963e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
4973e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result);
4983e519524SHoward Hinnant
4993e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
50014098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5013e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
5023e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5033e519524SHoward Hinnant
5043e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
50514098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5063e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
5073e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5083e519524SHoward Hinnant
5093e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
51014098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
5113e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
5123e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5133e519524SHoward Hinnant
5143e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5155386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5163e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last);
5173e519524SHoward Hinnant
5183e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5195386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5203e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5213e519524SHoward Hinnant
5223e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5235386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5243e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last);
5253e519524SHoward Hinnant
5263e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5275386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5283e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5293e519524SHoward Hinnant
5303e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5315386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5323e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last);
5333e519524SHoward Hinnant
5343e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5355386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5363e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5373e519524SHoward Hinnant
5383e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5395386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5403e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last);
5413e519524SHoward Hinnant
5423e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5435386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
5443e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5453e519524SHoward Hinnant
5463e519524SHoward Hinnanttemplate <class RandomAccessIterator>
54749c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5483e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last);
5493e519524SHoward Hinnant
5503e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
55149c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
5523e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5533e519524SHoward Hinnant
5543e519524SHoward Hinnanttemplate <class RandomAccessIterator>
55549c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5563e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last);
5573e519524SHoward Hinnant
5583e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
55949c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
5603e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
5613e519524SHoward Hinnant
5624eb27b79SHoward Hinnanttemplate <class ForwardIterator>
563b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
564b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last);
5654eb27b79SHoward Hinnant
5664eb27b79SHoward Hinnanttemplate <class ForwardIterator, class Compare>
567b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
568b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last, Compare comp);
5694eb27b79SHoward Hinnant
5703e519524SHoward Hinnanttemplate <class T>
571b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
572b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b);
5733e519524SHoward Hinnant
5743e519524SHoward Hinnanttemplate <class T, class Compare>
575b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
576b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b, Compare comp);
5773e519524SHoward Hinnant
5783e519524SHoward Hinnanttemplate<class T>
579b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
580b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t);
5813e519524SHoward Hinnant
5823e519524SHoward Hinnanttemplate<class T, class Compare>
583b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
584b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t, Compare comp);
5853e519524SHoward Hinnant
586146c14acSMarshall Clowtemplate<class T>
587146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi);               // C++17
588146c14acSMarshall Clow
589146c14acSMarshall Clowtemplate<class T, class Compare>
590146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi, Compare comp); // C++17
591146c14acSMarshall Clow
5923e519524SHoward Hinnanttemplate <class ForwardIterator>
593b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
594b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last);
5953e519524SHoward Hinnant
5963e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
597b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
598b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last, Compare comp);
5993e519524SHoward Hinnant
6004eb27b79SHoward Hinnanttemplate <class T>
601b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
602b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b);
6034eb27b79SHoward Hinnant
6044eb27b79SHoward Hinnanttemplate <class T, class Compare>
605b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
606b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b, Compare comp);
6074eb27b79SHoward Hinnant
6084eb27b79SHoward Hinnanttemplate<class T>
609b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
610b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t);
6114eb27b79SHoward Hinnant
6124eb27b79SHoward Hinnanttemplate<class T, class Compare>
613b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
614b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t, Compare comp);
6154eb27b79SHoward Hinnant
6164eb27b79SHoward Hinnanttemplate<class ForwardIterator>
617b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
618b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last);
6194eb27b79SHoward Hinnant
6204eb27b79SHoward Hinnanttemplate<class ForwardIterator, class Compare>
621b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
622b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last, Compare comp);
6234eb27b79SHoward Hinnant
6244eb27b79SHoward Hinnanttemplate<class T>
625b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
626b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b);
6274eb27b79SHoward Hinnant
6284eb27b79SHoward Hinnanttemplate<class T, class Compare>
629b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
630b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b, Compare comp);
6314eb27b79SHoward Hinnant
6324eb27b79SHoward Hinnanttemplate<class T>
633b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
634b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t);
6354eb27b79SHoward Hinnant
6364eb27b79SHoward Hinnanttemplate<class T, class Compare>
637b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
638b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t, Compare comp);
6394eb27b79SHoward Hinnant
6403e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
6411b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6423e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
6433e519524SHoward Hinnant
6443e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
6451b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
6463e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1,
6473e519524SHoward Hinnant                            InputIterator2 first2, InputIterator2 last2, Compare comp);
6483e519524SHoward Hinnant
6493e519524SHoward Hinnanttemplate <class BidirectionalIterator>
650f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6513e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last);
6523e519524SHoward Hinnant
6533e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
654f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6553e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6563e519524SHoward Hinnant
6573e519524SHoward Hinnanttemplate <class BidirectionalIterator>
658f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6593e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last);
6603e519524SHoward Hinnant
6613e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
662f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
6633e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
6643e519524SHoward Hinnant
6658d23b742SKonstantin Varlamovnamespace ranges {
6668d23b742SKonstantin Varlamov// [algorithms.results], algorithm result types
6678d23b742SKonstantin Varlamovtemplate<class InputIterator, class OutputIterator>
6688d23b742SKonstantin Varlamov    struct in_out_result;
6698d23b742SKonstantin Varlamov}
6708d23b742SKonstantin Varlamov
6713e519524SHoward Hinnant}  // std
6723e519524SHoward Hinnant
6733e519524SHoward Hinnant*/
6743e519524SHoward Hinnant
675ea2206d7SArthur O'Dwyer#include <__bits>
6763e519524SHoward Hinnant#include <__config>
677134723edSLouis Dionne#include <__debug>
678a1d07d57SHoward Hinnant#include <cstddef>
679bfbd73f8SArthur O'Dwyer#include <cstring>
680bfbd73f8SArthur O'Dwyer#include <functional>
681bfbd73f8SArthur O'Dwyer#include <initializer_list>
682bfbd73f8SArthur O'Dwyer#include <iterator>
683bfbd73f8SArthur O'Dwyer#include <memory>
684bfbd73f8SArthur O'Dwyer#include <type_traits>
685ea2206d7SArthur O'Dwyer#include <utility>
686f56972e2SMarshall Clow#include <version>
6875d1a701dSHoward Hinnant
688134723edSLouis Dionne#include <__algorithm/adjacent_find.h>
689134723edSLouis Dionne#include <__algorithm/all_of.h>
690134723edSLouis Dionne#include <__algorithm/any_of.h>
691134723edSLouis Dionne#include <__algorithm/binary_search.h>
692134723edSLouis Dionne#include <__algorithm/clamp.h>
693134723edSLouis Dionne#include <__algorithm/comp.h>
694134723edSLouis Dionne#include <__algorithm/comp_ref_type.h>
695134723edSLouis Dionne#include <__algorithm/copy.h>
696134723edSLouis Dionne#include <__algorithm/copy_backward.h>
697134723edSLouis Dionne#include <__algorithm/copy_if.h>
698134723edSLouis Dionne#include <__algorithm/copy_n.h>
699134723edSLouis Dionne#include <__algorithm/count.h>
700134723edSLouis Dionne#include <__algorithm/count_if.h>
701134723edSLouis Dionne#include <__algorithm/equal.h>
702134723edSLouis Dionne#include <__algorithm/equal_range.h>
703134723edSLouis Dionne#include <__algorithm/fill.h>
7044d81a46fSArthur O'Dwyer#include <__algorithm/fill_n.h>
705134723edSLouis Dionne#include <__algorithm/find.h>
706134723edSLouis Dionne#include <__algorithm/find_end.h>
707134723edSLouis Dionne#include <__algorithm/find_first_of.h>
708134723edSLouis Dionne#include <__algorithm/find_if.h>
709134723edSLouis Dionne#include <__algorithm/find_if_not.h>
710134723edSLouis Dionne#include <__algorithm/for_each.h>
711134723edSLouis Dionne#include <__algorithm/for_each_n.h>
712134723edSLouis Dionne#include <__algorithm/generate.h>
7134d81a46fSArthur O'Dwyer#include <__algorithm/generate_n.h>
714134723edSLouis Dionne#include <__algorithm/half_positive.h>
715f3514af4SNikolas Klauser#include <__algorithm/in_in_out_result.h>
716d3729bb3SNikolas Klauser#include <__algorithm/in_in_result.h>
717610979b3SNikolas Klauser#include <__algorithm/in_out_out_result.h>
7188d23b742SKonstantin Varlamov#include <__algorithm/in_out_result.h>
719134723edSLouis Dionne#include <__algorithm/includes.h>
720134723edSLouis Dionne#include <__algorithm/inplace_merge.h>
721134723edSLouis Dionne#include <__algorithm/is_heap.h>
722134723edSLouis Dionne#include <__algorithm/is_heap_until.h>
723134723edSLouis Dionne#include <__algorithm/is_partitioned.h>
724134723edSLouis Dionne#include <__algorithm/is_permutation.h>
725134723edSLouis Dionne#include <__algorithm/is_sorted.h>
726134723edSLouis Dionne#include <__algorithm/is_sorted_until.h>
7276adbc83eSChristopher Di Bella#include <__algorithm/iter_swap.h>
728134723edSLouis Dionne#include <__algorithm/lexicographical_compare.h>
729134723edSLouis Dionne#include <__algorithm/lower_bound.h>
730134723edSLouis Dionne#include <__algorithm/make_heap.h>
731134723edSLouis Dionne#include <__algorithm/max.h>
732134723edSLouis Dionne#include <__algorithm/max_element.h>
733134723edSLouis Dionne#include <__algorithm/merge.h>
734134723edSLouis Dionne#include <__algorithm/min.h>
735134723edSLouis Dionne#include <__algorithm/min_element.h>
736134723edSLouis Dionne#include <__algorithm/minmax.h>
737134723edSLouis Dionne#include <__algorithm/minmax_element.h>
738134723edSLouis Dionne#include <__algorithm/mismatch.h>
739134723edSLouis Dionne#include <__algorithm/move.h>
740134723edSLouis Dionne#include <__algorithm/move_backward.h>
741134723edSLouis Dionne#include <__algorithm/next_permutation.h>
742134723edSLouis Dionne#include <__algorithm/none_of.h>
743134723edSLouis Dionne#include <__algorithm/nth_element.h>
744134723edSLouis Dionne#include <__algorithm/partial_sort.h>
745134723edSLouis Dionne#include <__algorithm/partial_sort_copy.h>
746134723edSLouis Dionne#include <__algorithm/partition.h>
747134723edSLouis Dionne#include <__algorithm/partition_copy.h>
748134723edSLouis Dionne#include <__algorithm/partition_point.h>
749134723edSLouis Dionne#include <__algorithm/pop_heap.h>
750134723edSLouis Dionne#include <__algorithm/prev_permutation.h>
751134723edSLouis Dionne#include <__algorithm/push_heap.h>
752*9d905319SNikolas Klauser#include <__algorithm/ranges_swap_ranges.h>
753134723edSLouis Dionne#include <__algorithm/remove.h>
754134723edSLouis Dionne#include <__algorithm/remove_copy.h>
755134723edSLouis Dionne#include <__algorithm/remove_copy_if.h>
756134723edSLouis Dionne#include <__algorithm/remove_if.h>
757134723edSLouis Dionne#include <__algorithm/replace.h>
758134723edSLouis Dionne#include <__algorithm/replace_copy.h>
759134723edSLouis Dionne#include <__algorithm/replace_copy_if.h>
760134723edSLouis Dionne#include <__algorithm/replace_if.h>
761134723edSLouis Dionne#include <__algorithm/reverse.h>
762134723edSLouis Dionne#include <__algorithm/reverse_copy.h>
763134723edSLouis Dionne#include <__algorithm/rotate.h>
764134723edSLouis Dionne#include <__algorithm/rotate_copy.h>
765134723edSLouis Dionne#include <__algorithm/sample.h>
766134723edSLouis Dionne#include <__algorithm/search.h>
767134723edSLouis Dionne#include <__algorithm/search_n.h>
768134723edSLouis Dionne#include <__algorithm/set_difference.h>
769134723edSLouis Dionne#include <__algorithm/set_intersection.h>
770134723edSLouis Dionne#include <__algorithm/set_symmetric_difference.h>
771134723edSLouis Dionne#include <__algorithm/set_union.h>
772134723edSLouis Dionne#include <__algorithm/shift_left.h>
773134723edSLouis Dionne#include <__algorithm/shift_right.h>
774134723edSLouis Dionne#include <__algorithm/shuffle.h>
775134723edSLouis Dionne#include <__algorithm/sift_down.h>
776134723edSLouis Dionne#include <__algorithm/sort.h>
777134723edSLouis Dionne#include <__algorithm/sort_heap.h>
778134723edSLouis Dionne#include <__algorithm/stable_partition.h>
779134723edSLouis Dionne#include <__algorithm/stable_sort.h>
7806adbc83eSChristopher Di Bella#include <__algorithm/swap_ranges.h>
781134723edSLouis Dionne#include <__algorithm/transform.h>
782134723edSLouis Dionne#include <__algorithm/unique.h>
7834d81a46fSArthur O'Dwyer#include <__algorithm/unique_copy.h>
784134723edSLouis Dionne#include <__algorithm/unwrap_iter.h>
785134723edSLouis Dionne#include <__algorithm/upper_bound.h>
786c1bd9197SEric Fiselier
787073458b1SHoward Hinnant#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
7883e519524SHoward Hinnant#  pragma GCC system_header
789073458b1SHoward Hinnant#endif
7903e519524SHoward Hinnant
7910a06eb91SLouis Dionne#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
79295689243SLouis Dionne#   include <__pstl_algorithm>
7930a06eb91SLouis Dionne#endif
7940a06eb91SLouis Dionne
7953e519524SHoward Hinnant#endif // _LIBCPP_ALGORITHM
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