1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___MATH_TRIGONOMETRIC_FUNCTIONS_H 10 #define _LIBCPP___MATH_TRIGONOMETRIC_FUNCTIONS_H 11 12 #include <__config> 13 #include <__type_traits/enable_if.h> 14 #include <__type_traits/is_integral.h> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 # pragma GCC system_header 18 #endif 19 20 _LIBCPP_BEGIN_NAMESPACE_STD 21 22 namespace __math { 23 24 // cos 25 26 inline _LIBCPP_HIDE_FROM_ABI float cos(float __x) _NOEXCEPT { return __builtin_cosf(__x); } 27 28 template <class = int> 29 _LIBCPP_HIDE_FROM_ABI double cos(double __x) _NOEXCEPT { 30 return __builtin_cos(__x); 31 } 32 33 inline _LIBCPP_HIDE_FROM_ABI long double cos(long double __x) _NOEXCEPT { return __builtin_cosl(__x); } 34 35 template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> 36 inline _LIBCPP_HIDE_FROM_ABI double cos(_A1 __x) _NOEXCEPT { 37 return __builtin_cos((double)__x); 38 } 39 40 // sin 41 42 inline _LIBCPP_HIDE_FROM_ABI float sin(float __x) _NOEXCEPT { return __builtin_sinf(__x); } 43 44 template <class = int> 45 _LIBCPP_HIDE_FROM_ABI double sin(double __x) _NOEXCEPT { 46 return __builtin_sin(__x); 47 } 48 49 inline _LIBCPP_HIDE_FROM_ABI long double sin(long double __x) _NOEXCEPT { return __builtin_sinl(__x); } 50 51 template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> 52 inline _LIBCPP_HIDE_FROM_ABI double sin(_A1 __x) _NOEXCEPT { 53 return __builtin_sin((double)__x); 54 } 55 56 // tan 57 58 inline _LIBCPP_HIDE_FROM_ABI float tan(float __x) _NOEXCEPT { return __builtin_tanf(__x); } 59 60 template <class = int> 61 _LIBCPP_HIDE_FROM_ABI double tan(double __x) _NOEXCEPT { 62 return __builtin_tan(__x); 63 } 64 65 inline _LIBCPP_HIDE_FROM_ABI long double tan(long double __x) _NOEXCEPT { return __builtin_tanl(__x); } 66 67 template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> 68 inline _LIBCPP_HIDE_FROM_ABI double tan(_A1 __x) _NOEXCEPT { 69 return __builtin_tan((double)__x); 70 } 71 72 } // namespace __math 73 74 _LIBCPP_END_NAMESPACE_STD 75 76 #endif // _LIBCPP___MATH_TRIGONOMETRIC_FUNCTIONS_H 77