[libcxx-commits] [libcxx] 650da4a - [libc++][math.h] Use builtins for all the functions
Nikolas Klauser via libcxx-commits
libcxx-commits at lists.llvm.org
Tue Nov 29 15:50:17 PST 2022
Author: Nikolas Klauser
Date: 2022-11-30T00:50:08+01:00
New Revision: 650da4a690f9966e86eaf1b5c9868fe1f06e6903
URL: https://github.com/llvm/llvm-project/commit/650da4a690f9966e86eaf1b5c9868fe1f06e6903
DIFF: https://github.com/llvm/llvm-project/commit/650da4a690f9966e86eaf1b5c9868fe1f06e6903.diff
LOG: [libc++][math.h] Use builtins for all the functions
This allows compiling libc++, even when the C library doesn't support floating point math.
Reviewed By: ldionne, #libc
Spies: daltenty, xingxue, libcxx-commits, michaelplatings
Differential Revision: https://reviews.llvm.org/D136393
Added:
Modified:
libcxx/include/math.h
Removed:
################################################################################
diff --git a/libcxx/include/math.h b/libcxx/include/math.h
index 46a0a813ed055..839be4d11f6bb 100644
--- a/libcxx/include/math.h
+++ b/libcxx/include/math.h
@@ -539,44 +539,44 @@ inline _LIBCPP_HIDE_FROM_ABI bool isunordered(_A1 __x, _A2 __y) _NOEXCEPT {
// acos
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float acos(float __x) _NOEXCEPT {return ::acosf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double acos(long double __x) _NOEXCEPT {return ::acosl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float acos(float __x) _NOEXCEPT {return __builtin_acosf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double acos(long double __x) _NOEXCEPT {return __builtin_acosl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-acos(_A1 __x) _NOEXCEPT {return ::acos((double)__x);}
+acos(_A1 __x) _NOEXCEPT {return __builtin_acos((double)__x);}
// asin
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float asin(float __x) _NOEXCEPT {return ::asinf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double asin(long double __x) _NOEXCEPT {return ::asinl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float asin(float __x) _NOEXCEPT {return __builtin_asinf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double asin(long double __x) _NOEXCEPT {return __builtin_asinl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-asin(_A1 __x) _NOEXCEPT {return ::asin((double)__x);}
+asin(_A1 __x) _NOEXCEPT {return __builtin_asin((double)__x);}
// atan
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float atan(float __x) _NOEXCEPT {return ::atanf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double atan(long double __x) _NOEXCEPT {return ::atanl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float atan(float __x) _NOEXCEPT {return __builtin_atanf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double atan(long double __x) _NOEXCEPT {return __builtin_atanl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-atan(_A1 __x) _NOEXCEPT {return ::atan((double)__x);}
+atan(_A1 __x) _NOEXCEPT {return __builtin_atan((double)__x);}
// atan2
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float atan2(float __y, float __x) _NOEXCEPT {return ::atan2f(__y, __x);}
-inline _LIBCPP_HIDE_FROM_ABI long double atan2(long double __y, long double __x) _NOEXCEPT {return ::atan2l(__y, __x);}
+inline _LIBCPP_HIDE_FROM_ABI float atan2(float __y, float __x) _NOEXCEPT {return __builtin_atan2f(__y, __x);}
+inline _LIBCPP_HIDE_FROM_ABI long double atan2(long double __y, long double __x) _NOEXCEPT {return __builtin_atan2l(__y, __x);}
# endif
template <class _A1, class _A2>
@@ -598,80 +598,80 @@ atan2(_A1 __y, _A2 __x) _NOEXCEPT
// ceil
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float ceil(float __x) _NOEXCEPT {return ::ceilf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double ceil(long double __x) _NOEXCEPT {return ::ceill(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float ceil(float __x) _NOEXCEPT {return __builtin_ceilf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double ceil(long double __x) _NOEXCEPT {return __builtin_ceill(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-ceil(_A1 __x) _NOEXCEPT {return ::ceil((double)__x);}
+ceil(_A1 __x) _NOEXCEPT {return __builtin_ceil((double)__x);}
// cos
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float cos(float __x) _NOEXCEPT {return ::cosf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double cos(long double __x) _NOEXCEPT {return ::cosl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float cos(float __x) _NOEXCEPT {return __builtin_cosf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double cos(long double __x) _NOEXCEPT {return __builtin_cosl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-cos(_A1 __x) _NOEXCEPT {return ::cos((double)__x);}
+cos(_A1 __x) _NOEXCEPT {return __builtin_cos((double)__x);}
// cosh
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float cosh(float __x) _NOEXCEPT {return ::coshf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double cosh(long double __x) _NOEXCEPT {return ::coshl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float cosh(float __x) _NOEXCEPT {return __builtin_coshf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double cosh(long double __x) _NOEXCEPT {return __builtin_coshl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-cosh(_A1 __x) _NOEXCEPT {return ::cosh((double)__x);}
+cosh(_A1 __x) _NOEXCEPT {return __builtin_cosh((double)__x);}
// exp
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float exp(float __x) _NOEXCEPT {return ::expf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double exp(long double __x) _NOEXCEPT {return ::expl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float exp(float __x) _NOEXCEPT {return __builtin_expf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double exp(long double __x) _NOEXCEPT {return __builtin_expl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-exp(_A1 __x) _NOEXCEPT {return ::exp((double)__x);}
+exp(_A1 __x) _NOEXCEPT {return __builtin_exp((double)__x);}
// fabs
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float fabs(float __x) _NOEXCEPT {return ::fabsf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double fabs(long double __x) _NOEXCEPT {return ::fabsl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float fabs(float __x) _NOEXCEPT {return __builtin_fabsf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double fabs(long double __x) _NOEXCEPT {return __builtin_fabsl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-fabs(_A1 __x) _NOEXCEPT {return ::fabs((double)__x);}
+fabs(_A1 __x) _NOEXCEPT {return __builtin_fabs((double)__x);}
// floor
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float floor(float __x) _NOEXCEPT {return ::floorf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double floor(long double __x) _NOEXCEPT {return ::floorl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float floor(float __x) _NOEXCEPT {return __builtin_floorf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double floor(long double __x) _NOEXCEPT {return __builtin_floorl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-floor(_A1 __x) _NOEXCEPT {return ::floor((double)__x);}
+floor(_A1 __x) _NOEXCEPT {return __builtin_floor((double)__x);}
// fmod
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float fmod(float __x, float __y) _NOEXCEPT {return ::fmodf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double fmod(long double __x, long double __y) _NOEXCEPT {return ::fmodl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float fmod(float __x, float __y) _NOEXCEPT {return __builtin_fmodf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double fmod(long double __x, long double __y) _NOEXCEPT {return __builtin_fmodl(__x, __y);}
# endif
template <class _A1, class _A2>
@@ -693,63 +693,63 @@ fmod(_A1 __x, _A2 __y) _NOEXCEPT
// frexp
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float frexp(float __x, int* __e) _NOEXCEPT {return ::frexpf(__x, __e);}
-inline _LIBCPP_HIDE_FROM_ABI long double frexp(long double __x, int* __e) _NOEXCEPT {return ::frexpl(__x, __e);}
+inline _LIBCPP_HIDE_FROM_ABI float frexp(float __x, int* __e) _NOEXCEPT {return __builtin_frexpf(__x, __e);}
+inline _LIBCPP_HIDE_FROM_ABI long double frexp(long double __x, int* __e) _NOEXCEPT {return __builtin_frexpl(__x, __e);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-frexp(_A1 __x, int* __e) _NOEXCEPT {return ::frexp((double)__x, __e);}
+frexp(_A1 __x, int* __e) _NOEXCEPT {return __builtin_frexp((double)__x, __e);}
// ldexp
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float ldexp(float __x, int __e) _NOEXCEPT {return ::ldexpf(__x, __e);}
-inline _LIBCPP_HIDE_FROM_ABI long double ldexp(long double __x, int __e) _NOEXCEPT {return ::ldexpl(__x, __e);}
+inline _LIBCPP_HIDE_FROM_ABI float ldexp(float __x, int __e) _NOEXCEPT {return __builtin_ldexpf(__x, __e);}
+inline _LIBCPP_HIDE_FROM_ABI long double ldexp(long double __x, int __e) _NOEXCEPT {return __builtin_ldexpl(__x, __e);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-ldexp(_A1 __x, int __e) _NOEXCEPT {return ::ldexp((double)__x, __e);}
+ldexp(_A1 __x, int __e) _NOEXCEPT {return __builtin_ldexp((double)__x, __e);}
// log
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float log(float __x) _NOEXCEPT {return ::logf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double log(long double __x) _NOEXCEPT {return ::logl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float log(float __x) _NOEXCEPT {return __builtin_logf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double log(long double __x) _NOEXCEPT {return __builtin_logl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-log(_A1 __x) _NOEXCEPT {return ::log((double)__x);}
+log(_A1 __x) _NOEXCEPT {return __builtin_log((double)__x);}
// log10
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float log10(float __x) _NOEXCEPT {return ::log10f(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double log10(long double __x) _NOEXCEPT {return ::log10l(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float log10(float __x) _NOEXCEPT {return __builtin_log10f(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double log10(long double __x) _NOEXCEPT {return __builtin_log10l(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-log10(_A1 __x) _NOEXCEPT {return ::log10((double)__x);}
+log10(_A1 __x) _NOEXCEPT {return __builtin_log10((double)__x);}
// modf
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float modf(float __x, float* __y) _NOEXCEPT {return ::modff(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double modf(long double __x, long double* __y) _NOEXCEPT {return ::modfl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float modf(float __x, float* __y) _NOEXCEPT {return __builtin_modff(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double modf(long double __x, long double* __y) _NOEXCEPT {return __builtin_modfl(__x, __y);}
# endif
// pow
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float pow(float __x, float __y) _NOEXCEPT {return ::powf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double pow(long double __x, long double __y) _NOEXCEPT {return ::powl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float pow(float __x, float __y) _NOEXCEPT {return __builtin_powf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double pow(long double __x, long double __y) _NOEXCEPT {return __builtin_powl(__x, __y);}
# endif
template <class _A1, class _A2>
@@ -771,102 +771,102 @@ pow(_A1 __x, _A2 __y) _NOEXCEPT
// sin
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float sin(float __x) _NOEXCEPT {return ::sinf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double sin(long double __x) _NOEXCEPT {return ::sinl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float sin(float __x) _NOEXCEPT {return __builtin_sinf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double sin(long double __x) _NOEXCEPT {return __builtin_sinl(__x);}
#endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-sin(_A1 __x) _NOEXCEPT {return ::sin((double)__x);}
+sin(_A1 __x) _NOEXCEPT {return __builtin_sin((double)__x);}
// sinh
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float sinh(float __x) _NOEXCEPT {return ::sinhf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double sinh(long double __x) _NOEXCEPT {return ::sinhl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float sinh(float __x) _NOEXCEPT {return __builtin_sinhf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double sinh(long double __x) _NOEXCEPT {return __builtin_sinhl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-sinh(_A1 __x) _NOEXCEPT {return ::sinh((double)__x);}
+sinh(_A1 __x) _NOEXCEPT {return __builtin_sinh((double)__x);}
// sqrt
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float sqrt(float __x) _NOEXCEPT {return ::sqrtf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double sqrt(long double __x) _NOEXCEPT {return ::sqrtl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float sqrt(float __x) _NOEXCEPT {return __builtin_sqrtf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double sqrt(long double __x) _NOEXCEPT {return __builtin_sqrtl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-sqrt(_A1 __x) _NOEXCEPT {return ::sqrt((double)__x);}
+sqrt(_A1 __x) _NOEXCEPT {return __builtin_sqrt((double)__x);}
// tan
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float tan(float __x) _NOEXCEPT {return ::tanf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double tan(long double __x) _NOEXCEPT {return ::tanl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float tan(float __x) _NOEXCEPT {return __builtin_tanf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double tan(long double __x) _NOEXCEPT {return __builtin_tanl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-tan(_A1 __x) _NOEXCEPT {return ::tan((double)__x);}
+tan(_A1 __x) _NOEXCEPT {return __builtin_tan((double)__x);}
// tanh
# if !defined(__sun__)
-inline _LIBCPP_HIDE_FROM_ABI float tanh(float __x) _NOEXCEPT {return ::tanhf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double tanh(long double __x) _NOEXCEPT {return ::tanhl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float tanh(float __x) _NOEXCEPT {return __builtin_tanhf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double tanh(long double __x) _NOEXCEPT {return __builtin_tanhl(__x);}
# endif
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-tanh(_A1 __x) _NOEXCEPT {return ::tanh((double)__x);}
+tanh(_A1 __x) _NOEXCEPT {return __builtin_tanh((double)__x);}
// acosh
-inline _LIBCPP_HIDE_FROM_ABI float acosh(float __x) _NOEXCEPT {return ::acoshf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double acosh(long double __x) _NOEXCEPT {return ::acoshl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float acosh(float __x) _NOEXCEPT {return __builtin_acoshf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double acosh(long double __x) _NOEXCEPT {return __builtin_acoshl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-acosh(_A1 __x) _NOEXCEPT {return ::acosh((double)__x);}
+acosh(_A1 __x) _NOEXCEPT {return __builtin_acosh((double)__x);}
// asinh
-inline _LIBCPP_HIDE_FROM_ABI float asinh(float __x) _NOEXCEPT {return ::asinhf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double asinh(long double __x) _NOEXCEPT {return ::asinhl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float asinh(float __x) _NOEXCEPT {return __builtin_asinhf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double asinh(long double __x) _NOEXCEPT {return __builtin_asinhl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-asinh(_A1 __x) _NOEXCEPT {return ::asinh((double)__x);}
+asinh(_A1 __x) _NOEXCEPT {return __builtin_asinh((double)__x);}
// atanh
-inline _LIBCPP_HIDE_FROM_ABI float atanh(float __x) _NOEXCEPT {return ::atanhf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double atanh(long double __x) _NOEXCEPT {return ::atanhl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float atanh(float __x) _NOEXCEPT {return __builtin_atanhf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double atanh(long double __x) _NOEXCEPT {return __builtin_atanhl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-atanh(_A1 __x) _NOEXCEPT {return ::atanh((double)__x);}
+atanh(_A1 __x) _NOEXCEPT {return __builtin_atanh((double)__x);}
// cbrt
-inline _LIBCPP_HIDE_FROM_ABI float cbrt(float __x) _NOEXCEPT {return ::cbrtf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double cbrt(long double __x) _NOEXCEPT {return ::cbrtl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float cbrt(float __x) _NOEXCEPT {return __builtin_cbrtf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double cbrt(long double __x) _NOEXCEPT {return __builtin_cbrtl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-cbrt(_A1 __x) _NOEXCEPT {return ::cbrt((double)__x);}
+cbrt(_A1 __x) _NOEXCEPT {return __builtin_cbrt((double)__x);}
// copysign
@@ -923,48 +923,48 @@ typename std::__enable_if_t
// erf
-inline _LIBCPP_HIDE_FROM_ABI float erf(float __x) _NOEXCEPT {return ::erff(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double erf(long double __x) _NOEXCEPT {return ::erfl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float erf(float __x) _NOEXCEPT {return __builtin_erff(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double erf(long double __x) _NOEXCEPT {return __builtin_erfl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-erf(_A1 __x) _NOEXCEPT {return ::erf((double)__x);}
+erf(_A1 __x) _NOEXCEPT {return __builtin_erf((double)__x);}
// erfc
-inline _LIBCPP_HIDE_FROM_ABI float erfc(float __x) _NOEXCEPT {return ::erfcf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double erfc(long double __x) _NOEXCEPT {return ::erfcl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float erfc(float __x) _NOEXCEPT {return __builtin_erfcf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double erfc(long double __x) _NOEXCEPT {return __builtin_erfcl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-erfc(_A1 __x) _NOEXCEPT {return ::erfc((double)__x);}
+erfc(_A1 __x) _NOEXCEPT {return __builtin_erfc((double)__x);}
// exp2
-inline _LIBCPP_HIDE_FROM_ABI float exp2(float __x) _NOEXCEPT {return ::exp2f(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double exp2(long double __x) _NOEXCEPT {return ::exp2l(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float exp2(float __x) _NOEXCEPT {return __builtin_exp2f(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double exp2(long double __x) _NOEXCEPT {return __builtin_exp2l(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-exp2(_A1 __x) _NOEXCEPT {return ::exp2((double)__x);}
+exp2(_A1 __x) _NOEXCEPT {return __builtin_exp2((double)__x);}
// expm1
-inline _LIBCPP_HIDE_FROM_ABI float expm1(float __x) _NOEXCEPT {return ::expm1f(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double expm1(long double __x) _NOEXCEPT {return ::expm1l(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float expm1(float __x) _NOEXCEPT {return __builtin_expm1f(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double expm1(long double __x) _NOEXCEPT {return __builtin_expm1l(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-expm1(_A1 __x) _NOEXCEPT {return ::expm1((double)__x);}
+expm1(_A1 __x) _NOEXCEPT {return __builtin_expm1((double)__x);}
// fdim
-inline _LIBCPP_HIDE_FROM_ABI float fdim(float __x, float __y) _NOEXCEPT {return ::fdimf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double fdim(long double __x, long double __y) _NOEXCEPT {return ::fdiml(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float fdim(float __x, float __y) _NOEXCEPT {return __builtin_fdimf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double fdim(long double __x, long double __y) _NOEXCEPT {return __builtin_fdiml(__x, __y);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
@@ -1013,8 +1013,8 @@ fma(_A1 __x, _A2 __y, _A3 __z) _NOEXCEPT
// fmax
-inline _LIBCPP_HIDE_FROM_ABI float fmax(float __x, float __y) _NOEXCEPT {return ::fmaxf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double fmax(long double __x, long double __y) _NOEXCEPT {return ::fmaxl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float fmax(float __x, float __y) _NOEXCEPT {return __builtin_fmaxf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double fmax(long double __x, long double __y) _NOEXCEPT {return __builtin_fmaxl(__x, __y);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
@@ -1034,8 +1034,8 @@ fmax(_A1 __x, _A2 __y) _NOEXCEPT
// fmin
-inline _LIBCPP_HIDE_FROM_ABI float fmin(float __x, float __y) _NOEXCEPT {return ::fminf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double fmin(long double __x, long double __y) _NOEXCEPT {return ::fminl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float fmin(float __x, float __y) _NOEXCEPT {return __builtin_fminf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double fmin(long double __x, long double __y) _NOEXCEPT {return __builtin_fminl(__x, __y);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
@@ -1055,8 +1055,8 @@ fmin(_A1 __x, _A2 __y) _NOEXCEPT
// hypot
-inline _LIBCPP_HIDE_FROM_ABI float hypot(float __x, float __y) _NOEXCEPT {return ::hypotf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double hypot(long double __x, long double __y) _NOEXCEPT {return ::hypotl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float hypot(float __x, float __y) _NOEXCEPT {return __builtin_hypotf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double hypot(long double __x, long double __y) _NOEXCEPT {return __builtin_hypotl(__x, __y);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
@@ -1076,23 +1076,23 @@ hypot(_A1 __x, _A2 __y) _NOEXCEPT
// ilogb
-inline _LIBCPP_HIDE_FROM_ABI int ilogb(float __x) _NOEXCEPT {return ::ilogbf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI int ilogb(long double __x) _NOEXCEPT {return ::ilogbl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI int ilogb(float __x) _NOEXCEPT {return __builtin_ilogbf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI int ilogb(long double __x) _NOEXCEPT {return __builtin_ilogbl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, int>::type
-ilogb(_A1 __x) _NOEXCEPT {return ::ilogb((double)__x);}
+ilogb(_A1 __x) _NOEXCEPT {return __builtin_ilogb((double)__x);}
// lgamma
-inline _LIBCPP_HIDE_FROM_ABI float lgamma(float __x) _NOEXCEPT {return ::lgammaf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double lgamma(long double __x) _NOEXCEPT {return ::lgammal(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float lgamma(float __x) _NOEXCEPT {return __builtin_lgammaf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double lgamma(long double __x) _NOEXCEPT {return __builtin_lgammal(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-lgamma(_A1 __x) _NOEXCEPT {return ::lgamma((double)__x);}
+lgamma(_A1 __x) _NOEXCEPT {return __builtin_lgamma((double)__x);}
// llrint
@@ -1134,33 +1134,33 @@ llround(_A1 __x) _NOEXCEPT
// log1p
-inline _LIBCPP_HIDE_FROM_ABI float log1p(float __x) _NOEXCEPT {return ::log1pf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double log1p(long double __x) _NOEXCEPT {return ::log1pl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float log1p(float __x) _NOEXCEPT {return __builtin_log1pf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double log1p(long double __x) _NOEXCEPT {return __builtin_log1pl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-log1p(_A1 __x) _NOEXCEPT {return ::log1p((double)__x);}
+log1p(_A1 __x) _NOEXCEPT {return __builtin_log1p((double)__x);}
// log2
-inline _LIBCPP_HIDE_FROM_ABI float log2(float __x) _NOEXCEPT {return ::log2f(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double log2(long double __x) _NOEXCEPT {return ::log2l(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float log2(float __x) _NOEXCEPT {return __builtin_log2f(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double log2(long double __x) _NOEXCEPT {return __builtin_log2l(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-log2(_A1 __x) _NOEXCEPT {return ::log2((double)__x);}
+log2(_A1 __x) _NOEXCEPT {return __builtin_log2((double)__x);}
// logb
-inline _LIBCPP_HIDE_FROM_ABI float logb(float __x) _NOEXCEPT {return ::logbf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double logb(long double __x) _NOEXCEPT {return ::logbl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float logb(float __x) _NOEXCEPT {return __builtin_logbf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double logb(long double __x) _NOEXCEPT {return __builtin_logbl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-logb(_A1 __x) _NOEXCEPT {return ::logb((double)__x);}
+logb(_A1 __x) _NOEXCEPT {return __builtin_logb((double)__x);}
// lrint
@@ -1204,18 +1204,18 @@ lround(_A1 __x) _NOEXCEPT
// nearbyint
-inline _LIBCPP_HIDE_FROM_ABI float nearbyint(float __x) _NOEXCEPT {return ::nearbyintf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double nearbyint(long double __x) _NOEXCEPT {return ::nearbyintl(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float nearbyint(float __x) _NOEXCEPT {return __builtin_nearbyintf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double nearbyint(long double __x) _NOEXCEPT {return __builtin_nearbyintl(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-nearbyint(_A1 __x) _NOEXCEPT {return ::nearbyint((double)__x);}
+nearbyint(_A1 __x) _NOEXCEPT {return __builtin_nearbyint((double)__x);}
// nextafter
-inline _LIBCPP_HIDE_FROM_ABI float nextafter(float __x, float __y) _NOEXCEPT {return ::nextafterf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double nextafter(long double __x, long double __y) _NOEXCEPT {return ::nextafterl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float nextafter(float __x, float __y) _NOEXCEPT {return __builtin_nextafterf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double nextafter(long double __x, long double __y) _NOEXCEPT {return __builtin_nextafterl(__x, __y);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
@@ -1235,18 +1235,18 @@ nextafter(_A1 __x, _A2 __y) _NOEXCEPT
// nexttoward
-inline _LIBCPP_HIDE_FROM_ABI float nexttoward(float __x, long double __y) _NOEXCEPT {return ::nexttowardf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double nexttoward(long double __x, long double __y) _NOEXCEPT {return ::nexttowardl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float nexttoward(float __x, long double __y) _NOEXCEPT {return __builtin_nexttowardf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double nexttoward(long double __x, long double __y) _NOEXCEPT {return __builtin_nexttowardl(__x, __y);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-nexttoward(_A1 __x, long double __y) _NOEXCEPT {return ::nexttoward((double)__x, __y);}
+nexttoward(_A1 __x, long double __y) _NOEXCEPT {return __builtin_nexttoward((double)__x, __y);}
// remainder
-inline _LIBCPP_HIDE_FROM_ABI float remainder(float __x, float __y) _NOEXCEPT {return ::remainderf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double remainder(long double __x, long double __y) _NOEXCEPT {return ::remainderl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float remainder(float __x, float __y) _NOEXCEPT {return __builtin_remainderf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double remainder(long double __x, long double __y) _NOEXCEPT {return __builtin_remainderl(__x, __y);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
@@ -1266,8 +1266,8 @@ remainder(_A1 __x, _A2 __y) _NOEXCEPT
// remquo
-inline _LIBCPP_HIDE_FROM_ABI float remquo(float __x, float __y, int* __z) _NOEXCEPT {return ::remquof(__x, __y, __z);}
-inline _LIBCPP_HIDE_FROM_ABI long double remquo(long double __x, long double __y, int* __z) _NOEXCEPT {return ::remquol(__x, __y, __z);}
+inline _LIBCPP_HIDE_FROM_ABI float remquo(float __x, float __y, int* __z) _NOEXCEPT {return __builtin_remquof(__x, __y, __z);}
+inline _LIBCPP_HIDE_FROM_ABI long double remquo(long double __x, long double __y, int* __z) _NOEXCEPT {return __builtin_remquol(__x, __y, __z);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
@@ -1325,33 +1325,33 @@ round(_A1 __x) _NOEXCEPT
// scalbln
-inline _LIBCPP_HIDE_FROM_ABI float scalbln(float __x, long __y) _NOEXCEPT {return ::scalblnf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double scalbln(long double __x, long __y) _NOEXCEPT {return ::scalblnl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float scalbln(float __x, long __y) _NOEXCEPT {return __builtin_scalblnf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double scalbln(long double __x, long __y) _NOEXCEPT {return __builtin_scalblnl(__x, __y);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-scalbln(_A1 __x, long __y) _NOEXCEPT {return ::scalbln((double)__x, __y);}
+scalbln(_A1 __x, long __y) _NOEXCEPT {return __builtin_scalbln((double)__x, __y);}
// scalbn
-inline _LIBCPP_HIDE_FROM_ABI float scalbn(float __x, int __y) _NOEXCEPT {return ::scalbnf(__x, __y);}
-inline _LIBCPP_HIDE_FROM_ABI long double scalbn(long double __x, int __y) _NOEXCEPT {return ::scalbnl(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI float scalbn(float __x, int __y) _NOEXCEPT {return __builtin_scalbnf(__x, __y);}
+inline _LIBCPP_HIDE_FROM_ABI long double scalbn(long double __x, int __y) _NOEXCEPT {return __builtin_scalbnl(__x, __y);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-scalbn(_A1 __x, int __y) _NOEXCEPT {return ::scalbn((double)__x, __y);}
+scalbn(_A1 __x, int __y) _NOEXCEPT {return __builtin_scalbn((double)__x, __y);}
// tgamma
-inline _LIBCPP_HIDE_FROM_ABI float tgamma(float __x) _NOEXCEPT {return ::tgammaf(__x);}
-inline _LIBCPP_HIDE_FROM_ABI long double tgamma(long double __x) _NOEXCEPT {return ::tgammal(__x);}
+inline _LIBCPP_HIDE_FROM_ABI float tgamma(float __x) _NOEXCEPT {return __builtin_tgammaf(__x);}
+inline _LIBCPP_HIDE_FROM_ABI long double tgamma(long double __x) _NOEXCEPT {return __builtin_tgammal(__x);}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
-tgamma(_A1 __x) _NOEXCEPT {return ::tgamma((double)__x);}
+tgamma(_A1 __x) _NOEXCEPT {return __builtin_tgamma((double)__x);}
// trunc
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