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1//===-- A self contained equivalent of <algorithm> --------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8// This file is minimalist on purpose but can receive a few more function if
9// they prove useful.
10//===----------------------------------------------------------------------===//
11
12#ifndef LLVM_LIBC_SRC___SUPPORT_CPP_ALGORITHM_H
13#define LLVM_LIBC_SRC___SUPPORT_CPP_ALGORITHM_H
14
15#include "src/__support/macros/attributes.h" // LIBC_INLINE
16#include "src/__support/macros/config.h"
17
18namespace LIBC_NAMESPACE_DECL {
19namespace cpp {
20
21template <class T> LIBC_INLINE constexpr const T &max(const T &a, const T &b) {
22 return (a < b) ? b : a;
23}
24
25template <class T> LIBC_INLINE constexpr const T &min(const T &a, const T &b) {
26 return (a < b) ? a : b;
27}
28
29template <class T> LIBC_INLINE constexpr T abs(T a) { return a < 0 ? -a : a; }
30
31template <class InputIt, class UnaryPred>
32LIBC_INLINE constexpr InputIt find_if_not(InputIt first, InputIt last,
33 UnaryPred q) {
34 for (; first != last; ++first)
35 if (!q(*first))
36 return first;
37
38 return last;
39}
40
41template <class InputIt, class UnaryPred>
42LIBC_INLINE constexpr bool all_of(InputIt first, InputIt last, UnaryPred p) {
43 return find_if_not(first, last, p) == last;
44}
45
46} // namespace cpp
47} // namespace LIBC_NAMESPACE_DECL
48
49#endif // LLVM_LIBC_SRC___SUPPORT_CPP_ALGORITHM_H
50

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source code of libc/src/__support/CPP/algorithm.h