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 18 namespace LIBC_NAMESPACE_DECL { 19 namespace cpp { 20 21 template <class T> LIBC_INLINE constexpr const T &max(const T &a, const T &b) { 22 return (a < b) ? b : a; 23 } 24 25 template <class T> LIBC_INLINE constexpr const T &min(const T &a, const T &b) { 26 return (a < b) ? a : b; 27 } 28 29 template <class InputIt, class UnaryPred> 30 LIBC_INLINE constexpr InputIt find_if_not(InputIt first, InputIt last, 31 UnaryPred q) { 32 for (; first != last; ++first) 33 if (!q(*first)) 34 return first; 35 36 return last; 37 } 38 39 template <class InputIt, class UnaryPred> 40 LIBC_INLINE constexpr bool all_of(InputIt first, InputIt last, UnaryPred p) { 41 return find_if_not(first, last, p) == last; 42 } 43 44 } // namespace cpp 45 } // namespace LIBC_NAMESPACE_DECL 46 47 #endif // LLVM_LIBC_SRC___SUPPORT_CPP_ALGORITHM_H 48