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authormikhnenko <[email protected]>2023-09-20 11:01:13 +0300
committermikhnenko <[email protected]>2023-09-20 11:29:08 +0300
commitf5b051f5e09f00265229985ba5fd47aa5c8959ff (patch)
tree7e11605ad566f09451623a1ac34cc644bae804ab /contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/push_heap.h
parent8ed995cdfb22a3dfa790b0a6ae7750d9dc85db7b (diff)
Split libcxx on msvc/other
Diffstat (limited to 'contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/push_heap.h')
-rw-r--r--contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/push_heap.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/push_heap.h b/contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/push_heap.h
new file mode 100644
index 00000000000..66973e082f1
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/push_heap.h
@@ -0,0 +1,70 @@
+//===----------------------------------------------------------------------===//
+//
+// 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___ALGORITHM_PUSH_HEAP_H
+#define _LIBCPP___ALGORITHM_PUSH_HEAP_H
+
+#include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
+#include <__config>
+#include <__iterator/iterator_traits.h>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _Compare, class _RandomAccessIterator>
+_LIBCPP_CONSTEXPR_AFTER_CXX11 void
+__sift_up(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp,
+ typename iterator_traits<_RandomAccessIterator>::difference_type __len)
+{
+ typedef typename iterator_traits<_RandomAccessIterator>::value_type value_type;
+ if (__len > 1)
+ {
+ __len = (__len - 2) / 2;
+ _RandomAccessIterator __ptr = __first + __len;
+ if (__comp(*__ptr, *--__last))
+ {
+ value_type __t(_VSTD::move(*__last));
+ do
+ {
+ *__last = _VSTD::move(*__ptr);
+ __last = __ptr;
+ if (__len == 0)
+ break;
+ __len = (__len - 1) / 2;
+ __ptr = __first + __len;
+ } while (__comp(*__ptr, __t));
+ *__last = _VSTD::move(__t);
+ }
+ }
+}
+
+template <class _RandomAccessIterator, class _Compare>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+void
+push_heap(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
+{
+ typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
+ _VSTD::__sift_up<_Comp_ref>(__first, __last, __comp, __last - __first);
+}
+
+template <class _RandomAccessIterator>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+void
+push_heap(_RandomAccessIterator __first, _RandomAccessIterator __last)
+{
+ _VSTD::push_heap(__first, __last, __less<typename iterator_traits<_RandomAccessIterator>::value_type>());
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___ALGORITHM_PUSH_HEAP_H