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Diffstat (limited to 'contrib/llvm-project/libcxx/include/__math/error_functions.h')
| -rw-r--r-- | contrib/llvm-project/libcxx/include/__math/error_functions.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/__math/error_functions.h b/contrib/llvm-project/libcxx/include/__math/error_functions.h new file mode 100644 index 000000000000..6b528bb29000 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__math/error_functions.h @@ -0,0 +1,60 @@ +//===----------------------------------------------------------------------===// +// +// 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___MATH_ERROR_FUNCTIONS_H +#define _LIBCPP___MATH_ERROR_FUNCTIONS_H + +#include <__config> +#include <__type_traits/enable_if.h> +#include <__type_traits/is_integral.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace __math { + +// erf + +inline _LIBCPP_HIDE_FROM_ABI float erf(float __x) _NOEXCEPT { return __builtin_erff(__x); } + +template <class = int> +_LIBCPP_HIDE_FROM_ABI double erf(double __x) _NOEXCEPT { + return __builtin_erf(__x); +} + +inline _LIBCPP_HIDE_FROM_ABI long double erf(long double __x) _NOEXCEPT { return __builtin_erfl(__x); } + +template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> +inline _LIBCPP_HIDE_FROM_ABI double erf(_A1 __x) _NOEXCEPT { + return __builtin_erf((double)__x); +} + +// erfc + +inline _LIBCPP_HIDE_FROM_ABI float erfc(float __x) _NOEXCEPT { return __builtin_erfcf(__x); } + +template <class = int> +_LIBCPP_HIDE_FROM_ABI double erfc(double __x) _NOEXCEPT { + return __builtin_erfc(__x); +} + +inline _LIBCPP_HIDE_FROM_ABI long double erfc(long double __x) _NOEXCEPT { return __builtin_erfcl(__x); } + +template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> +inline _LIBCPP_HIDE_FROM_ABI double erfc(_A1 __x) _NOEXCEPT { + return __builtin_erfc((double)__x); +} + +} // namespace __math + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___MATH_ERROR_FUNCTIONS_H |
