77 lines · c
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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___MATH_TRIGONOMETRIC_FUNCTIONS_H10#define _LIBCPP___MATH_TRIGONOMETRIC_FUNCTIONS_H11 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_header18#endif19 20_LIBCPP_BEGIN_NAMESPACE_STD21 22namespace __math {23 24// cos25 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// sin41 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// tan57 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 __math73 74_LIBCPP_END_NAMESPACE_STD75 76#endif // _LIBCPP___MATH_TRIGONOMETRIC_FUNCTIONS_H77