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8670b53e11
Benchmark results: ``` ---------------------------------------------------------------- Benchmark old new ---------------------------------------------------------------- bm_vector_bool_ranges_find/1 5.64 ns 6.08 ns bm_vector_bool_ranges_find/2 16.5 ns 6.03 ns bm_vector_bool_ranges_find/3 20.3 ns 6.07 ns bm_vector_bool_ranges_find/4 22.2 ns 6.08 ns bm_vector_bool_ranges_find/5 23.5 ns 6.05 ns bm_vector_bool_ranges_find/6 24.4 ns 6.10 ns bm_vector_bool_ranges_find/7 26.7 ns 6.10 ns bm_vector_bool_ranges_find/8 25.0 ns 6.08 ns bm_vector_bool_ranges_find/16 27.9 ns 6.07 ns bm_vector_bool_ranges_find/64 44.5 ns 5.35 ns bm_vector_bool_ranges_find/512 243 ns 25.7 ns bm_vector_bool_ranges_find/4096 1858 ns 35.6 ns bm_vector_bool_ranges_find/32768 15461 ns 93.5 ns bm_vector_bool_ranges_find/262144 126462 ns 571 ns bm_vector_bool_ranges_find/1048576 497736 ns 2272 ns ``` Reviewed By: #libc, Mordante Spies: var-const, Mordante, libcxx-commits Differential Revision: https://reviews.llvm.org/D156039
31 lines
836 B
C++
31 lines
836 B
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___BIT_INVERT_IF_H
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#define _LIBCPP___BIT_INVERT_IF_H
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#include <__concepts/arithmetic.h>
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#include <__config>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <bool _Invert, class _Tp>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp __invert_if(_Tp __v) {
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if (_Invert)
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return ~__v;
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return __v;
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}
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___BIT_INVERT_IF_H
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