e78f53d1e8
This reverts commit 68c04b0ae6.
This disables the IWYU mapping that caused the failure, since
the headers aren't reachable for now.
This is the first part of the "Freezing C++03 headers" proposal
explained in
https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc/77319/58.
This patch mechanically copies the headers as of the LLVM 19.1 release
into a subdirectory of libc++ so that we can start using these headers
when building in C++03 mode. We are going to be backporting important
changes to that copy of the headers until the LLVM 21 release. After the
LLVM 21 release, only critical bugfixes will be fixed in the C++03 copy
of the headers.
This patch only performs a copy of the headers -- these headers are
still unused by the rest of the codebase.
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
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___MATH_ERROR_FUNCTIONS_H
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#define _LIBCPP___MATH_ERROR_FUNCTIONS_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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// erf
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inline _LIBCPP_HIDE_FROM_ABI float erf(float __x) _NOEXCEPT { return __builtin_erff(__x); }
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template <class = int>
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_LIBCPP_HIDE_FROM_ABI double erf(double __x) _NOEXCEPT {
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return __builtin_erf(__x);
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}
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inline _LIBCPP_HIDE_FROM_ABI long double erf(long double __x) _NOEXCEPT { return __builtin_erfl(__x); }
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template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0>
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inline _LIBCPP_HIDE_FROM_ABI double erf(_A1 __x) _NOEXCEPT {
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return __builtin_erf((double)__x);
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}
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// erfc
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inline _LIBCPP_HIDE_FROM_ABI float erfc(float __x) _NOEXCEPT { return __builtin_erfcf(__x); }
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template <class = int>
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_LIBCPP_HIDE_FROM_ABI double erfc(double __x) _NOEXCEPT {
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return __builtin_erfc(__x);
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}
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inline _LIBCPP_HIDE_FROM_ABI long double erfc(long double __x) _NOEXCEPT { return __builtin_erfcl(__x); }
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template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0>
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inline _LIBCPP_HIDE_FROM_ABI double erfc(_A1 __x) _NOEXCEPT {
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return __builtin_erfc((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_ERROR_FUNCTIONS_H
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