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 22namespace __math { 23 24// cos 25 26inline _LIBCPP_HIDE_FROM_ABI float cos(float __x) _NOEXCEPT { return __builtin_cosf(__x); } 27 28template <class = int> 29_LIBCPP_HIDE_FROM_ABI double cos(double __x) _NOEXCEPT { 30 return __builtin_cos(__x); 31} 32 33inline _LIBCPP_HIDE_FROM_ABI long double cos(long double __x) _NOEXCEPT { return __builtin_cosl(__x); } 34 35template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> 36inline _LIBCPP_HIDE_FROM_ABI double cos(_A1 __x) _NOEXCEPT { 37 return __builtin_cos((double)__x); 38} 39 40// sin 41 42inline _LIBCPP_HIDE_FROM_ABI float sin(float __x) _NOEXCEPT { return __builtin_sinf(__x); } 43 44template <class = int> 45_LIBCPP_HIDE_FROM_ABI double sin(double __x) _NOEXCEPT { 46 return __builtin_sin(__x); 47} 48 49inline _LIBCPP_HIDE_FROM_ABI long double sin(long double __x) _NOEXCEPT { return __builtin_sinl(__x); } 50 51template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> 52inline _LIBCPP_HIDE_FROM_ABI double sin(_A1 __x) _NOEXCEPT { 53 return __builtin_sin((double)__x); 54} 55 56// tan 57 58inline _LIBCPP_HIDE_FROM_ABI float tan(float __x) _NOEXCEPT { return __builtin_tanf(__x); } 59 60template <class = int> 61_LIBCPP_HIDE_FROM_ABI double tan(double __x) _NOEXCEPT { 62 return __builtin_tan(__x); 63} 64 65inline _LIBCPP_HIDE_FROM_ABI long double tan(long double __x) _NOEXCEPT { return __builtin_tanl(__x); } 66 67template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> 68inline _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