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06ee65af9e
release/18.x branch, commit 78b99c73ee4b96fe9ce0e294d4632326afb2db42 This adds the flag `-D_LIBCPP_HARDENING_MODE` which is determined based on the Zig optimization mode. This commit also fixes libunwind, libcxx, and libcxxabi to properly report sub compilation errors.
46 lines
1.3 KiB
C++
Vendored
46 lines
1.3 KiB
C++
Vendored
//===----------------------------------------------------------------------===//
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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___MATH_ABS_H
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#define _LIBCPP___MATH_ABS_H
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#include <__config>
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#include <__type_traits/enable_if.h>
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#include <__type_traits/is_integral.h>
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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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namespace __math {
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// fabs
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_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI float fabs(float __x) _NOEXCEPT { return __builtin_fabsf(__x); }
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template <class = int>
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_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI double fabs(double __x) _NOEXCEPT {
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return __builtin_fabs(__x);
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}
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_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI long double fabs(long double __x) _NOEXCEPT {
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return __builtin_fabsl(__x);
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}
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template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0>
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_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI double fabs(_A1 __x) _NOEXCEPT {
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return __builtin_fabs((double)__x);
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}
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} // namespace __math
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___MATH_ABS_H
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