14824e7fdSDimitry Andric // -*- C++ -*- 24824e7fdSDimitry Andric //===----------------------------------------------------------------------===// 34824e7fdSDimitry Andric // 44824e7fdSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 54824e7fdSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 64824e7fdSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 74824e7fdSDimitry Andric // 84824e7fdSDimitry Andric //===----------------------------------------------------------------------===// 94824e7fdSDimitry Andric 104824e7fdSDimitry Andric #ifndef _LIBCPP___NUMERIC_ACCUMULATE_H 114824e7fdSDimitry Andric #define _LIBCPP___NUMERIC_ACCUMULATE_H 124824e7fdSDimitry Andric 134824e7fdSDimitry Andric #include <__config> 144824e7fdSDimitry Andric #include <__utility/move.h> 154824e7fdSDimitry Andric 164824e7fdSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 174824e7fdSDimitry Andric # pragma GCC system_header 184824e7fdSDimitry Andric #endif 194824e7fdSDimitry Andric 2006c3fb27SDimitry Andric _LIBCPP_PUSH_MACROS 2106c3fb27SDimitry Andric #include <__undef_macros> 2206c3fb27SDimitry Andric 234824e7fdSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 244824e7fdSDimitry Andric 254824e7fdSDimitry Andric template <class _InputIterator, class _Tp> 26*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp 27*cb14a3feSDimitry Andric accumulate(_InputIterator __first, _InputIterator __last, _Tp __init) { 284824e7fdSDimitry Andric for (; __first != __last; ++__first) 2906c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 305f757f3fSDimitry Andric __init = std::move(__init) + *__first; 314824e7fdSDimitry Andric #else 324824e7fdSDimitry Andric __init = __init + *__first; 334824e7fdSDimitry Andric #endif 344824e7fdSDimitry Andric return __init; 354824e7fdSDimitry Andric } 364824e7fdSDimitry Andric 374824e7fdSDimitry Andric template <class _InputIterator, class _Tp, class _BinaryOperation> 38*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp 39*cb14a3feSDimitry Andric accumulate(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op) { 404824e7fdSDimitry Andric for (; __first != __last; ++__first) 4106c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 425f757f3fSDimitry Andric __init = __binary_op(std::move(__init), *__first); 434824e7fdSDimitry Andric #else 444824e7fdSDimitry Andric __init = __binary_op(__init, *__first); 454824e7fdSDimitry Andric #endif 464824e7fdSDimitry Andric return __init; 474824e7fdSDimitry Andric } 484824e7fdSDimitry Andric 494824e7fdSDimitry Andric _LIBCPP_END_NAMESPACE_STD 504824e7fdSDimitry Andric 5106c3fb27SDimitry Andric _LIBCPP_POP_MACROS 5206c3fb27SDimitry Andric 534824e7fdSDimitry Andric #endif // _LIBCPP___NUMERIC_ACCUMULATE_H 54