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authorDimitry Andric <dim@FreeBSD.org>2022-07-14 18:58:48 +0000
committerDimitry Andric <dim@FreeBSD.org>2023-02-08 19:03:59 +0000
commit753f127f3ace09432b2baeffd71a308760641a62 (patch)
tree97694ab339c0ca6145ebb429c7505019565b9a60 /contrib/llvm-project/libcxx/include/__algorithm/ranges_make_heap.h
parent81ad626541db97eb356e2c1d4a20eb2a26a766ab (diff)
parent1f917f69ff07f09b6dbb670971f57f8efe718b84 (diff)
Diffstat (limited to 'contrib/llvm-project/libcxx/include/__algorithm/ranges_make_heap.h')
-rw-r--r--contrib/llvm-project/libcxx/include/__algorithm/ranges_make_heap.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/__algorithm/ranges_make_heap.h b/contrib/llvm-project/libcxx/include/__algorithm/ranges_make_heap.h
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+++ b/contrib/llvm-project/libcxx/include/__algorithm/ranges_make_heap.h
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+// 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_RANGES_MAKE_HEAP_H
+#define _LIBCPP___ALGORITHM_RANGES_MAKE_HEAP_H
+
+#include <__algorithm/make_heap.h>
+#include <__algorithm/make_projected.h>
+#include <__concepts/same_as.h>
+#include <__config>
+#include <__functional/identity.h>
+#include <__functional/invoke.h>
+#include <__functional/ranges_operations.h>
+#include <__iterator/concepts.h>
+#include <__iterator/iterator_traits.h>
+#include <__iterator/next.h>
+#include <__iterator/projected.h>
+#include <__iterator/sortable.h>
+#include <__ranges/access.h>
+#include <__ranges/concepts.h>
+#include <__ranges/dangling.h>
+#include <__utility/forward.h>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace ranges {
+namespace __make_heap {
+
+struct __fn {
+ template <class _Iter, class _Sent, class _Comp, class _Proj>
+ _LIBCPP_HIDE_FROM_ABI constexpr static
+ _Iter __make_heap_fn_impl(_Iter __first, _Sent __last, _Comp& __comp, _Proj& __proj) {
+ auto __last_iter = ranges::next(__first, __last);
+
+ auto&& __projected_comp = ranges::__make_projected_comp(__comp, __proj);
+ std::__make_heap(std::move(__first), __last_iter, __projected_comp);
+
+ return __last_iter;
+ }
+
+ template <random_access_iterator _Iter, sentinel_for<_Iter> _Sent, class _Comp = ranges::less, class _Proj = identity>
+ requires sortable<_Iter, _Comp, _Proj>
+ _LIBCPP_HIDE_FROM_ABI constexpr
+ _Iter operator()(_Iter __first, _Sent __last, _Comp __comp = {}, _Proj __proj = {}) const {
+ return __make_heap_fn_impl(std::move(__first), std::move(__last), __comp, __proj);
+ }
+
+ template <random_access_range _Range, class _Comp = ranges::less, class _Proj = identity>
+ requires sortable<iterator_t<_Range>, _Comp, _Proj>
+ _LIBCPP_HIDE_FROM_ABI constexpr
+ borrowed_iterator_t<_Range> operator()(_Range&& __r, _Comp __comp = {}, _Proj __proj = {}) const {
+ return __make_heap_fn_impl(ranges::begin(__r), ranges::end(__r), __comp, __proj);
+ }
+};
+
+} // namespace __make_heap
+
+inline namespace __cpo {
+ inline constexpr auto make_heap = __make_heap::__fn{};
+} // namespace __cpo
+} // namespace ranges
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
+
+#endif // _LIBCPP___ALGORITHM_RANGES_MAKE_HEAP_H