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authormikhnenko <mikhnenko@yandex-team.com>2023-11-04 00:34:43 +0300
committermikhnenko <mikhnenko@yandex-team.com>2023-11-04 00:56:50 +0300
commit1b85f8248fcbe51733270e55a66115495f55e962 (patch)
tree5a15497b81da50ab1729df98ea80b44e6d17e8f2 /contrib/libs/cxxsupp/libcxxmsvc/include/__numeric/exclusive_scan.h
parent7f0f6f3bb94e4546f9c87b9ba3bed8721b1cd5de (diff)
downloadydb-1b85f8248fcbe51733270e55a66115495f55e962.tar.gz
Use ym2 for sysincls generating
Diffstat (limited to 'contrib/libs/cxxsupp/libcxxmsvc/include/__numeric/exclusive_scan.h')
-rw-r--r--contrib/libs/cxxsupp/libcxxmsvc/include/__numeric/exclusive_scan.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/contrib/libs/cxxsupp/libcxxmsvc/include/__numeric/exclusive_scan.h b/contrib/libs/cxxsupp/libcxxmsvc/include/__numeric/exclusive_scan.h
new file mode 100644
index 0000000000..c0c89b3880
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxxmsvc/include/__numeric/exclusive_scan.h
@@ -0,0 +1,53 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_EXCLUSIVE_SCAN_H
+#define _LIBCPP___NUMERIC_EXCLUSIVE_SCAN_H
+
+#include <__config>
+#include <__functional/operations.h>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 14
+
+template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator
+exclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Tp __init, _BinaryOp __b) {
+ if (__first != __last) {
+ _Tp __tmp(__b(__init, *__first));
+ while (true) {
+ *__result = _VSTD::move(__init);
+ ++__result;
+ ++__first;
+ if (__first == __last)
+ break;
+ __init = _VSTD::move(__tmp);
+ __tmp = __b(__init, *__first);
+ }
+ }
+ return __result;
+}
+
+template <class _InputIterator, class _OutputIterator, class _Tp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator
+exclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Tp __init) {
+ return _VSTD::exclusive_scan(__first, __last, __result, __init, _VSTD::plus<>());
+}
+
+#endif // _LIBCPP_STD_VER > 14
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_EXCLUSIVE_SCAN_H