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 204824e7fdSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 214824e7fdSDimitry Andric 224824e7fdSDimitry Andric template <class _InputIterator, class _Tp> 23*bdd1243dSDimitry Andric _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 244824e7fdSDimitry Andric _Tp 254824e7fdSDimitry Andric accumulate(_InputIterator __first, _InputIterator __last, _Tp __init) 264824e7fdSDimitry Andric { 274824e7fdSDimitry Andric for (; __first != __last; ++__first) 284824e7fdSDimitry Andric #if _LIBCPP_STD_VER > 17 294824e7fdSDimitry Andric __init = _VSTD::move(__init) + *__first; 304824e7fdSDimitry Andric #else 314824e7fdSDimitry Andric __init = __init + *__first; 324824e7fdSDimitry Andric #endif 334824e7fdSDimitry Andric return __init; 344824e7fdSDimitry Andric } 354824e7fdSDimitry Andric 364824e7fdSDimitry Andric template <class _InputIterator, class _Tp, class _BinaryOperation> 37*bdd1243dSDimitry Andric _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 384824e7fdSDimitry Andric _Tp 394824e7fdSDimitry Andric accumulate(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op) 404824e7fdSDimitry Andric { 414824e7fdSDimitry Andric for (; __first != __last; ++__first) 424824e7fdSDimitry Andric #if _LIBCPP_STD_VER > 17 434824e7fdSDimitry Andric __init = __binary_op(_VSTD::move(__init), *__first); 444824e7fdSDimitry Andric #else 454824e7fdSDimitry Andric __init = __binary_op(__init, *__first); 464824e7fdSDimitry Andric #endif 474824e7fdSDimitry Andric return __init; 484824e7fdSDimitry Andric } 494824e7fdSDimitry Andric 504824e7fdSDimitry Andric _LIBCPP_END_NAMESPACE_STD 514824e7fdSDimitry Andric 524824e7fdSDimitry Andric #endif // _LIBCPP___NUMERIC_ACCUMULATE_H 53