Louis Dionne 226409c628 [libc++] Only include_next C library headers when they exist
Some platforms don't provide all C library headers. In practice, libc++
only requires a few C library headers to exist, and only a few functions
on those headers. Missing functions that libc++ doesn't need for its own
implementation are handled properly by the using_if_exists attribute,
however a missing header is currently a hard error when we try to
do #include_next.

This patch should make libc++ more flexible on platforms that do not
provide C headers that libc++ doesn't actually require for its own
implementation. The only downside is that it may move some errors from
the #include_next point to later in the compilation if we actually try
to use something that isn't provided, which could be somewhat confusing.
However, these errors should be caught by folks trying to port libc++
over to a new platform (when running the libc++ test suite), not by end
users.

Differential Revision: https://reviews.llvm.org/D136683
2022-11-15 10:58:11 -05:00

1767 lines
48 KiB
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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_H
#define _LIBCPP_MATH_H
/*
math.h synopsis
Macros:
HUGE_VAL
HUGE_VALF // C99
HUGE_VALL // C99
INFINITY // C99
NAN // C99
FP_INFINITE // C99
FP_NAN // C99
FP_NORMAL // C99
FP_SUBNORMAL // C99
FP_ZERO // C99
FP_FAST_FMA // C99
FP_FAST_FMAF // C99
FP_FAST_FMAL // C99
FP_ILOGB0 // C99
FP_ILOGBNAN // C99
MATH_ERRNO // C99
MATH_ERREXCEPT // C99
math_errhandling // C99
Types:
float_t // C99
double_t // C99
// C90
floating_point abs(floating_point x);
floating_point acos (arithmetic x);
float acosf(float x);
long double acosl(long double x);
floating_point asin (arithmetic x);
float asinf(float x);
long double asinl(long double x);
floating_point atan (arithmetic x);
float atanf(float x);
long double atanl(long double x);
floating_point atan2 (arithmetic y, arithmetic x);
float atan2f(float y, float x);
long double atan2l(long double y, long double x);
floating_point ceil (arithmetic x);
float ceilf(float x);
long double ceill(long double x);
floating_point cos (arithmetic x);
float cosf(float x);
long double cosl(long double x);
floating_point cosh (arithmetic x);
float coshf(float x);
long double coshl(long double x);
floating_point exp (arithmetic x);
float expf(float x);
long double expl(long double x);
floating_point fabs (arithmetic x);
float fabsf(float x);
long double fabsl(long double x);
floating_point floor (arithmetic x);
float floorf(float x);
long double floorl(long double x);
floating_point fmod (arithmetic x, arithmetic y);
float fmodf(float x, float y);
long double fmodl(long double x, long double y);
floating_point frexp (arithmetic value, int* exp);
float frexpf(float value, int* exp);
long double frexpl(long double value, int* exp);
floating_point ldexp (arithmetic value, int exp);
float ldexpf(float value, int exp);
long double ldexpl(long double value, int exp);
floating_point log (arithmetic x);
float logf(float x);
long double logl(long double x);
floating_point log10 (arithmetic x);
float log10f(float x);
long double log10l(long double x);
floating_point modf (floating_point value, floating_point* iptr);
float modff(float value, float* iptr);
long double modfl(long double value, long double* iptr);
floating_point pow (arithmetic x, arithmetic y);
float powf(float x, float y);
long double powl(long double x, long double y);
floating_point sin (arithmetic x);
float sinf(float x);
long double sinl(long double x);
floating_point sinh (arithmetic x);
float sinhf(float x);
long double sinhl(long double x);
floating_point sqrt (arithmetic x);
float sqrtf(float x);
long double sqrtl(long double x);
floating_point tan (arithmetic x);
float tanf(float x);
long double tanl(long double x);
floating_point tanh (arithmetic x);
float tanhf(float x);
long double tanhl(long double x);
// C99
bool signbit(arithmetic x);
int fpclassify(arithmetic x);
bool isfinite(arithmetic x);
bool isinf(arithmetic x);
bool isnan(arithmetic x);
bool isnormal(arithmetic x);
bool isgreater(arithmetic x, arithmetic y);
bool isgreaterequal(arithmetic x, arithmetic y);
bool isless(arithmetic x, arithmetic y);
bool islessequal(arithmetic x, arithmetic y);
bool islessgreater(arithmetic x, arithmetic y);
bool isunordered(arithmetic x, arithmetic y);
floating_point acosh (arithmetic x);
float acoshf(float x);
long double acoshl(long double x);
floating_point asinh (arithmetic x);
float asinhf(float x);
long double asinhl(long double x);
floating_point atanh (arithmetic x);
float atanhf(float x);
long double atanhl(long double x);
floating_point cbrt (arithmetic x);
float cbrtf(float x);
long double cbrtl(long double x);
floating_point copysign (arithmetic x, arithmetic y);
float copysignf(float x, float y);
long double copysignl(long double x, long double y);
floating_point erf (arithmetic x);
float erff(float x);
long double erfl(long double x);
floating_point erfc (arithmetic x);
float erfcf(float x);
long double erfcl(long double x);
floating_point exp2 (arithmetic x);
float exp2f(float x);
long double exp2l(long double x);
floating_point expm1 (arithmetic x);
float expm1f(float x);
long double expm1l(long double x);
floating_point fdim (arithmetic x, arithmetic y);
float fdimf(float x, float y);
long double fdiml(long double x, long double y);
floating_point fma (arithmetic x, arithmetic y, arithmetic z);
float fmaf(float x, float y, float z);
long double fmal(long double x, long double y, long double z);
floating_point fmax (arithmetic x, arithmetic y);
float fmaxf(float x, float y);
long double fmaxl(long double x, long double y);
floating_point fmin (arithmetic x, arithmetic y);
float fminf(float x, float y);
long double fminl(long double x, long double y);
floating_point hypot (arithmetic x, arithmetic y);
float hypotf(float x, float y);
long double hypotl(long double x, long double y);
int ilogb (arithmetic x);
int ilogbf(float x);
int ilogbl(long double x);
floating_point lgamma (arithmetic x);
float lgammaf(float x);
long double lgammal(long double x);
long long llrint (arithmetic x);
long long llrintf(float x);
long long llrintl(long double x);
long long llround (arithmetic x);
long long llroundf(float x);
long long llroundl(long double x);
floating_point log1p (arithmetic x);
float log1pf(float x);
long double log1pl(long double x);
floating_point log2 (arithmetic x);
float log2f(float x);
long double log2l(long double x);
floating_point logb (arithmetic x);
float logbf(float x);
long double logbl(long double x);
long lrint (arithmetic x);
long lrintf(float x);
long lrintl(long double x);
long lround (arithmetic x);
long lroundf(float x);
long lroundl(long double x);
double nan (const char* str);
float nanf(const char* str);
long double nanl(const char* str);
floating_point nearbyint (arithmetic x);
float nearbyintf(float x);
long double nearbyintl(long double x);
floating_point nextafter (arithmetic x, arithmetic y);
float nextafterf(float x, float y);
long double nextafterl(long double x, long double y);
floating_point nexttoward (arithmetic x, long double y);
float nexttowardf(float x, long double y);
long double nexttowardl(long double x, long double y);
floating_point remainder (arithmetic x, arithmetic y);
float remainderf(float x, float y);
long double remainderl(long double x, long double y);
floating_point remquo (arithmetic x, arithmetic y, int* pquo);
float remquof(float x, float y, int* pquo);
long double remquol(long double x, long double y, int* pquo);
floating_point rint (arithmetic x);
float rintf(float x);
long double rintl(long double x);
floating_point round (arithmetic x);
float roundf(float x);
long double roundl(long double x);
floating_point scalbln (arithmetic x, long ex);
float scalblnf(float x, long ex);
long double scalblnl(long double x, long ex);
floating_point scalbn (arithmetic x, int ex);
float scalbnf(float x, int ex);
long double scalbnl(long double x, int ex);
floating_point tgamma (arithmetic x);
float tgammaf(float x);
long double tgammal(long double x);
floating_point trunc (arithmetic x);
float truncf(float x);
long double truncl(long double x);
*/
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
# if __has_include_next(<math.h>)
# include_next <math.h>
# endif
#ifdef __cplusplus
// We support including .h headers inside 'extern "C"' contexts, so switch
// back to C++ linkage before including these C++ headers.
extern "C++" {
#include <__type_traits/promote.h>
#include <limits>
#include <stdlib.h>
#include <type_traits>
// signbit
#ifdef signbit
template <class _A1>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_signbit(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_signbit)
return __builtin_signbit(__x);
#else
return signbit(__x);
#endif
}
#undef signbit
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
signbit(_A1 __x) _NOEXCEPT
{
return __libcpp_signbit(__x);
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<
std::is_integral<_A1>::value && std::is_signed<_A1>::value, bool>::type
signbit(_A1 __x) _NOEXCEPT
{ return __x < 0; }
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<
std::is_integral<_A1>::value && !std::is_signed<_A1>::value, bool>::type
signbit(_A1) _NOEXCEPT
{ return false; }
#elif defined(_LIBCPP_MSVCRT)
template <typename _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
signbit(_A1 __x) _NOEXCEPT
{
return ::signbit(__x);
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<
std::is_integral<_A1>::value && std::is_signed<_A1>::value, bool>::type
signbit(_A1 __x) _NOEXCEPT
{ return __x < 0; }
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<
std::is_integral<_A1>::value && !std::is_signed<_A1>::value, bool>::type
signbit(_A1) _NOEXCEPT
{ return false; }
#endif // signbit
// fpclassify
#ifdef fpclassify
template <class _A1>
_LIBCPP_HIDE_FROM_ABI
int
__libcpp_fpclassify(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_fpclassify)
return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL,
FP_ZERO, __x);
#else
return fpclassify(__x);
#endif
}
#undef fpclassify
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_floating_point<_A1>::value, int>::type
fpclassify(_A1 __x) _NOEXCEPT
{
return __libcpp_fpclassify(__x);
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, int>::type
fpclassify(_A1 __x) _NOEXCEPT
{ return __x == 0 ? FP_ZERO : FP_NORMAL; }
#elif defined(_LIBCPP_MSVCRT)
template <typename _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
fpclassify(_A1 __x) _NOEXCEPT
{
return ::fpclassify(__x);
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, int>::type
fpclassify(_A1 __x) _NOEXCEPT
{ return __x == 0 ? FP_ZERO : FP_NORMAL; }
#endif // fpclassify
// isfinite
#ifdef isfinite
template <class _A1>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_isfinite(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_isfinite)
return __builtin_isfinite(__x);
#else
return isfinite(__x);
#endif
}
#undef isfinite
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<
std::is_arithmetic<_A1>::value && std::numeric_limits<_A1>::has_infinity,
bool>::type
isfinite(_A1 __x) _NOEXCEPT
{
return __libcpp_isfinite((typename std::__promote<_A1>::type)__x);
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<
std::is_arithmetic<_A1>::value && !std::numeric_limits<_A1>::has_infinity,
bool>::type
isfinite(_A1) _NOEXCEPT
{ return true; }
#endif // isfinite
// isinf
#ifdef isinf
template <class _A1>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_isinf(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_isinf)
return __builtin_isinf(__x);
#else
return isinf(__x);
#endif
}
#undef isinf
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<
std::is_arithmetic<_A1>::value && std::numeric_limits<_A1>::has_infinity,
bool>::type
isinf(_A1 __x) _NOEXCEPT
{
return __libcpp_isinf((typename std::__promote<_A1>::type)__x);
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<
std::is_arithmetic<_A1>::value && !std::numeric_limits<_A1>::has_infinity,
bool>::type
isinf(_A1) _NOEXCEPT
{ return false; }
#ifdef _LIBCPP_PREFERRED_OVERLOAD
inline _LIBCPP_HIDE_FROM_ABI
bool
isinf(float __x) _NOEXCEPT { return __libcpp_isinf(__x); }
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD
bool
isinf(double __x) _NOEXCEPT { return __libcpp_isinf(__x); }
inline _LIBCPP_HIDE_FROM_ABI
bool
isinf(long double __x) _NOEXCEPT { return __libcpp_isinf(__x); }
#endif
#endif // isinf
// isnan
#ifdef isnan
template <class _A1>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_isnan(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_isnan)
return __builtin_isnan(__x);
#else
return isnan(__x);
#endif
}
#undef isnan
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
isnan(_A1 __x) _NOEXCEPT
{
return __libcpp_isnan(__x);
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, bool>::type
isnan(_A1) _NOEXCEPT
{ return false; }
#ifdef _LIBCPP_PREFERRED_OVERLOAD
inline _LIBCPP_HIDE_FROM_ABI
bool
isnan(float __x) _NOEXCEPT { return __libcpp_isnan(__x); }
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD
bool
isnan(double __x) _NOEXCEPT { return __libcpp_isnan(__x); }
inline _LIBCPP_HIDE_FROM_ABI
bool
isnan(long double __x) _NOEXCEPT { return __libcpp_isnan(__x); }
#endif
#endif // isnan
// isnormal
#ifdef isnormal
template <class _A1>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_isnormal(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_isnormal)
return __builtin_isnormal(__x);
#else
return isnormal(__x);
#endif
}
#undef isnormal
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
isnormal(_A1 __x) _NOEXCEPT
{
return __libcpp_isnormal(__x);
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, bool>::type
isnormal(_A1 __x) _NOEXCEPT
{ return __x != 0; }
#endif // isnormal
// isgreater
#ifdef isgreater
template <class _A1, class _A2>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_isgreater(_A1 __x, _A2 __y) _NOEXCEPT
{
return isgreater(__x, __y);
}
#undef isgreater
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
bool
>::type
isgreater(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type type;
return __libcpp_isgreater((type)__x, (type)__y);
}
#endif // isgreater
// isgreaterequal
#ifdef isgreaterequal
template <class _A1, class _A2>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_isgreaterequal(_A1 __x, _A2 __y) _NOEXCEPT
{
return isgreaterequal(__x, __y);
}
#undef isgreaterequal
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
bool
>::type
isgreaterequal(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type type;
return __libcpp_isgreaterequal((type)__x, (type)__y);
}
#endif // isgreaterequal
// isless
#ifdef isless
template <class _A1, class _A2>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_isless(_A1 __x, _A2 __y) _NOEXCEPT
{
return isless(__x, __y);
}
#undef isless
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
bool
>::type
isless(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type type;
return __libcpp_isless((type)__x, (type)__y);
}
#endif // isless
// islessequal
#ifdef islessequal
template <class _A1, class _A2>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_islessequal(_A1 __x, _A2 __y) _NOEXCEPT
{
return islessequal(__x, __y);
}
#undef islessequal
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
bool
>::type
islessequal(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type type;
return __libcpp_islessequal((type)__x, (type)__y);
}
#endif // islessequal
// islessgreater
#ifdef islessgreater
template <class _A1, class _A2>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_islessgreater(_A1 __x, _A2 __y) _NOEXCEPT
{
return islessgreater(__x, __y);
}
#undef islessgreater
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
bool
>::type
islessgreater(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type type;
return __libcpp_islessgreater((type)__x, (type)__y);
}
#endif // islessgreater
// isunordered
#ifdef isunordered
template <class _A1, class _A2>
_LIBCPP_HIDE_FROM_ABI
bool
__libcpp_isunordered(_A1 __x, _A2 __y) _NOEXCEPT
{
return isunordered(__x, __y);
}
#undef isunordered
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
bool
>::type
isunordered(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type type;
return __libcpp_isunordered((type)__x, (type)__y);
}
#endif // isunordered
// abs
//
// handled in stdlib.h
// div
//
// handled in stdlib.h
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# endif
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
atan2(_A1 __y, _A2 __x) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::atan2((__result_type)__y, (__result_type)__x);
}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# endif
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
fmod(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::fmod((__result_type)__x, (__result_type)__y);
}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
# endif
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
pow(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::pow((__result_type)__x, (__result_type)__y);
}
// 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);}
#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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
# 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);}
// 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);}
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);}
// 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);}
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);}
// 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);}
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);}
// 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);}
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);}
// copysign
#if __has_builtin(__builtin_copysignf)
_LIBCPP_CONSTEXPR
#endif
inline _LIBCPP_HIDE_FROM_ABI float __libcpp_copysign(float __x, float __y) _NOEXCEPT {
#if __has_builtin(__builtin_copysignf)
return __builtin_copysignf(__x, __y);
#else
return ::copysignf(__x, __y);
#endif
}
#if __has_builtin(__builtin_copysign)
_LIBCPP_CONSTEXPR
#endif
inline _LIBCPP_HIDE_FROM_ABI double __libcpp_copysign(double __x, double __y) _NOEXCEPT {
#if __has_builtin(__builtin_copysign)
return __builtin_copysign(__x, __y);
#else
return ::copysign(__x, __y);
#endif
}
#if __has_builtin(__builtin_copysignl)
_LIBCPP_CONSTEXPR
#endif
inline _LIBCPP_HIDE_FROM_ABI long double __libcpp_copysign(long double __x, long double __y) _NOEXCEPT {
#if __has_builtin(__builtin_copysignl)
return __builtin_copysignl(__x, __y);
#else
return ::copysignl(__x, __y);
#endif
}
template <class _A1, class _A2>
#if __has_builtin(__builtin_copysign)
_LIBCPP_CONSTEXPR
#endif
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
__libcpp_copysign(_A1 __x, _A2 __y) _NOEXCEPT {
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
#if __has_builtin(__builtin_copysign)
return __builtin_copysign((__result_type)__x, (__result_type)__y);
#else
return ::copysign((__result_type)__x, (__result_type)__y);
#endif
}
inline _LIBCPP_HIDE_FROM_ABI float copysign(float __x, float __y) _NOEXCEPT {
return ::__libcpp_copysign(__x, __y);
}
inline _LIBCPP_HIDE_FROM_ABI long double copysign(long double __x, long double __y) _NOEXCEPT {
return ::__libcpp_copysign(__x, __y);
}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
copysign(_A1 __x, _A2 __y) _NOEXCEPT {
return ::__libcpp_copysign(__x, __y);
}
// 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);}
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);}
// 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);}
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);}
// 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);}
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);}
// 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);}
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);}
// 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);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
fdim(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::fdim((__result_type)__x, (__result_type)__y);
}
// fma
inline _LIBCPP_HIDE_FROM_ABI float fma(float __x, float __y, float __z) _NOEXCEPT
{
#if __has_builtin(__builtin_fmaf)
return __builtin_fmaf(__x, __y, __z);
#else
return ::fmaf(__x, __y, __z);
#endif
}
inline _LIBCPP_HIDE_FROM_ABI long double fma(long double __x, long double __y, long double __z) _NOEXCEPT
{
#if __has_builtin(__builtin_fmal)
return __builtin_fmal(__x, __y, __z);
#else
return ::fmal(__x, __y, __z);
#endif
}
template <class _A1, class _A2, class _A3>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value &&
std::is_arithmetic<_A3>::value,
std::__promote<_A1, _A2, _A3>
>::type
fma(_A1 __x, _A2 __y, _A3 __z) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2, _A3>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value &&
std::_IsSame<_A3, __result_type>::value)), "");
#if __has_builtin(__builtin_fma)
return __builtin_fma((__result_type)__x, (__result_type)__y, (__result_type)__z);
#else
return ::fma((__result_type)__x, (__result_type)__y, (__result_type)__z);
#endif
}
// 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);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
fmax(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::fmax((__result_type)__x, (__result_type)__y);
}
// 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);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
fmin(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::fmin((__result_type)__x, (__result_type)__y);
}
// 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);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
hypot(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::hypot((__result_type)__x, (__result_type)__y);
}
// 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);}
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);}
// 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);}
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);}
// llrint
inline _LIBCPP_HIDE_FROM_ABI long long llrint(float __x) _NOEXCEPT
{
#if __has_builtin(__builtin_llrintf)
return __builtin_llrintf(__x);
#else
return ::llrintf(__x);
#endif
}
inline _LIBCPP_HIDE_FROM_ABI long long llrint(long double __x) _NOEXCEPT
{
#if __has_builtin(__builtin_llrintl)
return __builtin_llrintl(__x);
#else
return ::llrintl(__x);
#endif
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, long long>::type
llrint(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_llrint)
return __builtin_llrint((double)__x);
#else
return ::llrint((double)__x);
#endif
}
// llround
inline _LIBCPP_HIDE_FROM_ABI long long llround(float __x) _NOEXCEPT
{
#if __has_builtin(__builtin_llroundf)
return __builtin_llroundf(__x);
#else
return ::llroundf(__x);
#endif
}
inline _LIBCPP_HIDE_FROM_ABI long long llround(long double __x) _NOEXCEPT
{
#if __has_builtin(__builtin_llroundl)
return __builtin_llroundl(__x);
#else
return ::llroundl(__x);
#endif
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, long long>::type
llround(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_llround)
return __builtin_llround((double)__x);
#else
return ::llround((double)__x);
#endif
}
// 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);}
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);}
// 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);}
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);}
// 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);}
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);}
// lrint
inline _LIBCPP_HIDE_FROM_ABI long lrint(float __x) _NOEXCEPT
{
#if __has_builtin(__builtin_lrintf)
return __builtin_lrintf(__x);
#else
return ::lrintf(__x);
#endif
}
inline _LIBCPP_HIDE_FROM_ABI long lrint(long double __x) _NOEXCEPT
{
#if __has_builtin(__builtin_lrintl)
return __builtin_lrintl(__x);
#else
return ::lrintl(__x);
#endif
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, long>::type
lrint(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_lrint)
return __builtin_lrint((double)__x);
#else
return ::lrint((double)__x);
#endif
}
// lround
inline _LIBCPP_HIDE_FROM_ABI long lround(float __x) _NOEXCEPT
{
#if __has_builtin(__builtin_lroundf)
return __builtin_lroundf(__x);
#else
return ::lroundf(__x);
#endif
}
inline _LIBCPP_HIDE_FROM_ABI long lround(long double __x) _NOEXCEPT
{
#if __has_builtin(__builtin_lroundl)
return __builtin_lroundl(__x);
#else
return ::lroundl(__x);
#endif
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, long>::type
lround(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_lround)
return __builtin_lround((double)__x);
#else
return ::lround((double)__x);
#endif
}
// nan
// 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);}
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);}
// 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);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
nextafter(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::nextafter((__result_type)__x, (__result_type)__y);
}
// 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);}
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);}
// 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);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
remainder(_A1 __x, _A2 __y) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::remainder((__result_type)__x, (__result_type)__y);
}
// 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);}
template <class _A1, class _A2>
inline _LIBCPP_HIDE_FROM_ABI
typename std::__enable_if_t
<
std::is_arithmetic<_A1>::value &&
std::is_arithmetic<_A2>::value,
std::__promote<_A1, _A2>
>::type
remquo(_A1 __x, _A2 __y, int* __z) _NOEXCEPT
{
typedef typename std::__promote<_A1, _A2>::type __result_type;
static_assert((!(std::_IsSame<_A1, __result_type>::value &&
std::_IsSame<_A2, __result_type>::value)), "");
return ::remquo((__result_type)__x, (__result_type)__y, __z);
}
// rint
inline _LIBCPP_HIDE_FROM_ABI float rint(float __x) _NOEXCEPT
{
#if __has_builtin(__builtin_rintf)
return __builtin_rintf(__x);
#else
return ::rintf(__x);
#endif
}
inline _LIBCPP_HIDE_FROM_ABI long double rint(long double __x) _NOEXCEPT
{
#if __has_builtin(__builtin_rintl)
return __builtin_rintl(__x);
#else
return ::rintl(__x);
#endif
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
rint(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_rint)
return __builtin_rint((double)__x);
#else
return ::rint((double)__x);
#endif
}
// round
inline _LIBCPP_HIDE_FROM_ABI float round(float __x) _NOEXCEPT
{
#if __has_builtin(__builtin_round)
return __builtin_round(__x);
#else
return ::round(__x);
#endif
}
inline _LIBCPP_HIDE_FROM_ABI long double round(long double __x) _NOEXCEPT
{
#if __has_builtin(__builtin_roundl)
return __builtin_roundl(__x);
#else
return ::roundl(__x);
#endif
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
round(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_round)
return __builtin_round((double)__x);
#else
return ::round((double)__x);
#endif
}
// 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);}
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);}
// 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);}
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);}
// 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);}
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);}
// trunc
inline _LIBCPP_HIDE_FROM_ABI float trunc(float __x) _NOEXCEPT
{
#if __has_builtin(__builtin_trunc)
return __builtin_trunc(__x);
#else
return ::trunc(__x);
#endif
}
inline _LIBCPP_HIDE_FROM_ABI long double trunc(long double __x) _NOEXCEPT
{
#if __has_builtin(__builtin_truncl)
return __builtin_truncl(__x);
#else
return ::truncl(__x);
#endif
}
template <class _A1>
inline _LIBCPP_HIDE_FROM_ABI
typename std::enable_if<std::is_integral<_A1>::value, double>::type
trunc(_A1 __x) _NOEXCEPT
{
#if __has_builtin(__builtin_trunc)
return __builtin_trunc((double)__x);
#else
return ::trunc((double)__x);
#endif
}
} // extern "C++"
#endif // __cplusplus
#else // _LIBCPP_MATH_H
// This include lives outside the header guard in order to support an MSVC
// extension which allows users to do:
//
// #define _USE_MATH_DEFINES
// #include <math.h>
//
// and receive the definitions of mathematical constants, even if <math.h>
// has previously been included.
#if defined(_LIBCPP_MSVCRT) && defined(_USE_MATH_DEFINES)
#include_next <math.h>
#endif
#endif // _LIBCPP_MATH_H