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|
// -*- C++ -*- header.
// Copyright (C) 2016 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file bits/float128.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{xxxxx}
*/
#ifndef _GLIBCXX_BITS_FLOAT128_H
#define _GLIBCXX_BITS_FLOAT128_H 1
#pragma GCC system_header
#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128)
#include <limits>
#include <iosfwd>
#include <quadmath.h>
// From <limits>
#define __glibcxx_max_digits10(T) \
(2 + (T) * 643L / 2136)
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
inline __float128
acos(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return acosq(__x); }
inline __float128
asin(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return asinq(__x); }
inline __float128
atan(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return atanq(__x); }
inline __float128
atan2(__float128 __y, __float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return atan2q(__y, __x); }
inline __float128
cbrt(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return cbrtq(__x); }
inline __float128
ceil(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return ceilq(__x); }
inline __float128
copysign(__float128 __x, __float128 __y) _GLIBCXX_USE_NOEXCEPT
{ return copysignq(__x, __y); }
inline __float128
cos(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return cosq(__x); }
inline __float128
cosh(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return coshq(__x); }
inline __float128
exp(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return expq(__x); }
inline __float128
erf(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return erfq(__x); }
inline __float128
erfc(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return erfcq(__x); }
inline __float128
expm1(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return expm1q(__x); }
inline __float128
fabs(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return fabsq(__x); }
inline __float128
fdim(__float128 __x, __float128 __y) _GLIBCXX_USE_NOEXCEPT
{ return fdimq(__x, __y); }
inline __float128
floor(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return floorq(__x); }
inline __float128
fma(__float128 __m, __float128 __x, __float128 __b) _GLIBCXX_USE_NOEXCEPT
{ return fmaq(__m, __x, __b); }
inline __float128
fmax(__float128 __x, __float128 __y) _GLIBCXX_USE_NOEXCEPT
{ return fmaxq(__x, __y); }
inline __float128
fmin(__float128 __x, __float128 __y) _GLIBCXX_USE_NOEXCEPT
{ return fminq(__x, __y); }
inline __float128
fmod(__float128 __x, __float128 __y) _GLIBCXX_USE_NOEXCEPT
{ return fmodq(__x, __y); }
inline __float128
frexp(__float128 __x, int* __exp) _GLIBCXX_USE_NOEXCEPT
{ return frexpq(__x, __exp); }
inline __float128
hypot(__float128 __x, __float128 __y) _GLIBCXX_USE_NOEXCEPT
{ return hypotq(__x, __y); }
inline int
isinf(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return isinfq(__x); }
inline int
ilogb(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return ilogbq(__x); }
inline int
isnan(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return isnanq(__x); }
inline __float128
j0(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return j0q(__x); }
inline __float128
j1(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return j1q(__x); }
inline __float128
jn(int __n, __float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return jnq(__n, __x); }
inline __float128
ldexp(__float128 __x, int __exp) _GLIBCXX_USE_NOEXCEPT
{ return ldexpq(__x, __exp); }
inline __float128
lgamma(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return lgammaq(__x); }
inline long long int
llrint(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return llrintq(__x); }
inline long long int
llround(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return llroundq(__x); }
#ifndef NO_LOGBQ
inline __float128
logb(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return logbq(__x); }
#endif
inline __float128
log(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return logq(__x); }
inline __float128
log10(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return log10q(__x); }
inline __float128
log2(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return log2q(__x); }
inline __float128
log1p(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return log1pq(__x); }
inline long int
lrint(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return lrintq(__x); }
inline long int
lround(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return lroundq(__x); }
inline __float128
modf(__float128 __x, __float128* __iptr) _GLIBCXX_USE_NOEXCEPT
{ return modfq(__x, __iptr); }
inline __float128
nanq(const char* __str) _GLIBCXX_USE_NOEXCEPT
{ return __builtin_nanq(__str); }
inline __float128
nearbyint(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return nearbyintq(__x); }
inline __float128
nextafter(__float128 __x, __float128 __y) _GLIBCXX_USE_NOEXCEPT
{ return nextafterq(__x, __y); }
inline __float128
pow(__float128 __x, __float128 __y) _GLIBCXX_USE_NOEXCEPT
{ return powq(__x, __y); }
inline __float128
remainder(__float128 __x, __float128 __y) _GLIBCXX_USE_NOEXCEPT
{ return remainderq(__x, __y); }
inline __float128
remquo(__float128 __x, __float128 __y, int* __n) _GLIBCXX_USE_NOEXCEPT
{ return remquoq(__x, __y, __n); }
inline __float128
rint(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return rintq(__x); }
inline __float128
round(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return roundq(__x); }
inline __float128
scalbln(__float128 __x, long int __n) _GLIBCXX_USE_NOEXCEPT
{ return scalblnq(__x, __n); }
inline __float128
scalbn(__float128 __x, int __n) _GLIBCXX_USE_NOEXCEPT
{ return scalbnq(__x, __n); }
inline int
signbit(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return signbitq(__x); }
inline void
sincos(__float128 __x, __float128 * __sin, __float128 * __cos)
_GLIBCXX_USE_NOEXCEPT
{ return sincosq(__x, __sin, __cos); }
inline __float128
sin(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return sinq(__x); }
inline __float128
sinh(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return sinhq(__x); }
inline __float128
sqrt(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return sqrtq(__x); }
inline __float128
tan(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return tanq(__x); }
inline __float128
tanh(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return tanhq(__x); }
inline __float128
tgamma(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return tgammaq(__x); }
inline __float128
trunc(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return truncq(__x); }
inline __float128
y0(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return y0q(__x); }
inline __float128
y1(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return y1q(__x); }
inline __float128
yn(int __n, __float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return ynq(__n, __x); }
inline __float128
mod(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return __x * __x; }
inline __float128
arg(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return __x < 0.0Q ? M_PIq : 0.0Q; }
inline _GLIBCXX_USE_CONSTEXPR __float128
imag(__float128) _GLIBCXX_USE_NOEXCEPT
{ return 0.0Q; }
inline _GLIBCXX_USE_CONSTEXPR __float128
real(__float128 __x) _GLIBCXX_USE_NOEXCEPT
{ return __x; }
/// numeric_limits<__float128> specialization.
template<>
struct numeric_limits<__float128>
{
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true;
static _GLIBCXX_CONSTEXPR __float128
min() _GLIBCXX_USE_NOEXCEPT { return FLT128_MIN; }
static _GLIBCXX_CONSTEXPR __float128
max() _GLIBCXX_USE_NOEXCEPT { return FLT128_MAX; }
#if __cplusplus >= 201103L
static _GLIBCXX_CONSTEXPR __float128
lowest() _GLIBCXX_USE_NOEXCEPT { return -FLT128_MAX; }
#endif
static _GLIBCXX_USE_CONSTEXPR int digits = FLT128_MANT_DIG;
static _GLIBCXX_USE_CONSTEXPR int digits10 = FLT128_DIG;
#if __cplusplus >= 201103L
static _GLIBCXX_USE_CONSTEXPR int max_digits10
= __glibcxx_max_digits10 (FLT128_MANT_DIG);
#endif
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true;
static _GLIBCXX_USE_CONSTEXPR bool is_integer = false;
static _GLIBCXX_USE_CONSTEXPR bool is_exact = false;
static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__;
static _GLIBCXX_CONSTEXPR __float128
epsilon() _GLIBCXX_USE_NOEXCEPT { return FLT128_EPSILON; }
static _GLIBCXX_CONSTEXPR __float128
round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5Q; }
static _GLIBCXX_USE_CONSTEXPR int min_exponent = FLT128_MIN_EXP;
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = FLT128_MIN_10_EXP;
static _GLIBCXX_USE_CONSTEXPR int max_exponent = FLT128_MAX_EXP;
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = FLT128_MAX_10_EXP;
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = true;
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = true;
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN;
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm
= denorm_present;
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = true;
static _GLIBCXX_CONSTEXPR __float128
infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_infq(); }
static _GLIBCXX_CONSTEXPR __float128
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanq(""); }
static _GLIBCXX_CONSTEXPR __float128
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansq(""); }
static _GLIBCXX_CONSTEXPR __float128
denorm_min() _GLIBCXX_USE_NOEXCEPT { return FLT128_DENORM_MIN; }
static _GLIBCXX_USE_CONSTEXPR bool is_iec559
= has_infinity && has_quiet_NaN && has_denorm == denorm_present;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false;
static _GLIBCXX_USE_CONSTEXPR bool traps = false;//???
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before =
false;//???
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style =
round_to_nearest;
};
template<typename _CharT, typename _Traits = std::char_traits<_CharT>>
std::basic_ostream<_CharT, _Traits>&
operator<<(std::basic_ostream<_CharT, _Traits>& __os,
__float128 __x);
template<typename _CharT, typename _Traits = std::char_traits<_CharT>>
std::basic_istream<_CharT, _Traits>&
operator>>(std::basic_istream<_CharT, _Traits>& __is, __float128& __x);
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
// From <limits>
#undef __glibcxx_max_digits10
#include <bits/numeric_limits.h>
namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
/**
* @brief Part of std::numeric_limits.
* The idea is that types with, say, non-constexpr or even dynamic epsilon()
* can participate in this.
* I think variable templates could be specialized with non-constexpr types
* but I need something to work in C++11 and variable templates won't allow
* extraction of variable max from a mp number.
*/
// Constexpr function template versions of std::numeric_limits.
template<>
_GLIBCXX_CONSTEXPR bool
__is_specialized<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::is_specialized; }
template<>
_GLIBCXX_CONSTEXPR __float128
__min<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::min(); }
template<>
_GLIBCXX_CONSTEXPR __float128
__max<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::max(); }
template<>
_GLIBCXX_CONSTEXPR __float128
__lowest<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::lowest(); }
template<>
_GLIBCXX_CONSTEXPR int
__digits<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::digits; }
template<>
_GLIBCXX_CONSTEXPR int
__digits10<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::digits10; }
template<>
_GLIBCXX_CONSTEXPR int
__max_digits10<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::max_digits10; }
template<>
_GLIBCXX_CONSTEXPR bool
__is_signed<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::is_signed; }
template<>
_GLIBCXX_CONSTEXPR bool
__is_integer<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::is_integer; }
template<>
_GLIBCXX_CONSTEXPR bool
__is_exact<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::is_exact; }
template<>
_GLIBCXX_CONSTEXPR int
__radix<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::radix; }
template<>
_GLIBCXX_CONSTEXPR __float128
__epsilon<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::epsilon(); }
template<>
_GLIBCXX_CONSTEXPR __float128
__round_error<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::round_error(); }
template<>
_GLIBCXX_CONSTEXPR int
__min_exponent<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::min_exponent; }
template<>
_GLIBCXX_CONSTEXPR int
__min_exponent10<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::min_exponent10; }
template<>
_GLIBCXX_CONSTEXPR int
__max_exponent<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::max_exponent; }
template<>
_GLIBCXX_CONSTEXPR int
__max_exponent10<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::max_exponent10; }
template<>
_GLIBCXX_CONSTEXPR bool
__has_infinity<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::has_infinity; }
template<>
_GLIBCXX_CONSTEXPR bool
__has_quiet_NaN<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::has_quiet_NaN; }
template<>
_GLIBCXX_CONSTEXPR bool
__has_signaling_NaN<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::has_signaling_NaN; }
template<>
_GLIBCXX_CONSTEXPR std::float_denorm_style
__has_denorm<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::has_denorm; }
template<>
_GLIBCXX_CONSTEXPR bool
__has_denorm_loss<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::has_denorm_loss; }
template<>
_GLIBCXX_CONSTEXPR __float128
__infinity<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::infinity(); }
template<>
_GLIBCXX_CONSTEXPR __float128
__quiet_NaN<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::quiet_NaN(); }
template<>
_GLIBCXX_CONSTEXPR __float128
__signaling_NaN<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::signaling_NaN(); }
template<>
_GLIBCXX_CONSTEXPR __float128
__denorm_min<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::denorm_min(); }
template<>
_GLIBCXX_CONSTEXPR bool
__is_iec559<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::is_iec559; }
template<>
_GLIBCXX_CONSTEXPR bool
__is_bounded<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::is_bounded; }
template<>
_GLIBCXX_CONSTEXPR bool
__is_modulo<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::is_modulo; }
template<>
_GLIBCXX_CONSTEXPR bool
__traps<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::traps; }
template<>
_GLIBCXX_CONSTEXPR bool
__tinyness_before<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::tinyness_before; }
template<>
_GLIBCXX_CONSTEXPR std::float_round_style
__round_style<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::numeric_limits<__float128>::round_style; }
// Extra bits to help with numerics...
// These depend math functions which aren't constexpr for __float128.
// These are specializations of the functions in bits/numeric_limits.h
template<>
__float128
__sqrt_max<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::sqrt(__max(__float128{})); }
#ifdef NO_CBRT
template<>
__float128
__cbrt_max<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::pow(__max(__float128{}), 1 / 3.0Q); }
#else
template<>
__float128
__cbrt_max<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::cbrt(__max(__float128{})); }
#endif
template<>
__float128
__root_max(__float128 __root) _GLIBCXX_USE_NOEXCEPT
{ return std::pow(__max(__float128{}), 1 / __root); }
template<>
__float128
__log_max<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::log(__max(__float128{})); }
template<>
__float128
__log10_max<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::log10(__max(__float128{})); }
template<>
__float128
__sqrt_min<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::sqrt(__min(__float128{})); }
#ifdef NO_CBRT
template<>
__float128
__cbrt_max<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::pow(__min(__float128{}), 1 / 3.0Q); }
#else
template<>
__float128
__cbrt_min<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::cbrt(__min(__float128{})); }
#endif
template<>
__float128
__root_min(__float128 __root) _GLIBCXX_USE_NOEXCEPT
{ return std::pow(__min(__float128{}), 1 / __root); }
template<>
__float128
__log_min<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::log(__min(__float128{})); }
template<>
__float128
__log10_min<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::log10(__min(__float128{})); }
template<>
__float128
__sqrt_eps<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::sqrt(__epsilon(__float128{})); }
#ifdef NO_CBRT
template<>
__float128
__cbrt_max<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::pow(__epsilon(__float128{}), 1 / 3.0Q); }
#else
template<>
__float128
__cbrt_eps<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::cbrt(__epsilon(__float128{})); }
#endif
template<>
__float128
__root_eps(__float128 __root) _GLIBCXX_USE_NOEXCEPT
{ return std::pow(__epsilon(__float128{}), 1 / __root); }
template<>
__float128
__log_eps<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::log(__epsilon(__float128{})); }
template<>
__float128
__log10_eps<__float128>(__float128) _GLIBCXX_USE_NOEXCEPT
{ return std::log10(__epsilon(__float128{})); }
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace __gnu_cxx
#endif // __STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128
#include <bits/float128.tcc>
#endif // _GLIBCXX_BITS_FLOAT128_H
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