743 lines
29 KiB
Plaintext
743 lines
29 KiB
Plaintext
///////////////////////////////////////////////////////////////
|
|
// Copyright 2013 John Maddock. Distributed under the Boost
|
|
// Software License, Version 1.0. (See accompanying file
|
|
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_
|
|
|
|
#ifndef BOOST_MP_FLOAT128_HPP
|
|
#define BOOST_MP_FLOAT128_HPP
|
|
|
|
#include <boost/config.hpp>
|
|
#include <boost/scoped_array.hpp>
|
|
#include <boost/functional/hash.hpp>
|
|
#include <boost/multiprecision/number.hpp>
|
|
|
|
#if defined(BOOST_INTEL) && !defined(BOOST_MP_USE_FLOAT128) && !defined(BOOST_MP_USE_QUAD)
|
|
# if defined(BOOST_INTEL_CXX_VERSION) && (BOOST_INTEL_CXX_VERSION >= 1310) && defined(__GNUC__)
|
|
# if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6))
|
|
# define BOOST_MP_USE_FLOAT128
|
|
# endif
|
|
# endif
|
|
|
|
# ifndef BOOST_MP_USE_FLOAT128
|
|
# define BOOST_MP_USE_QUAD
|
|
# endif
|
|
#endif
|
|
|
|
#if defined(__GNUC__) && !defined(BOOST_MP_USE_FLOAT128) && !defined(BOOST_MP_USE_QUAD)
|
|
# define BOOST_MP_USE_FLOAT128
|
|
#endif
|
|
|
|
#if !defined(BOOST_MP_USE_FLOAT128) && !defined(BOOST_MP_USE_QUAD)
|
|
# error "Sorry compiler is neither GCC, not Intel, don't know how to configure this header."
|
|
#endif
|
|
#if defined(BOOST_MP_USE_FLOAT128) && defined(BOOST_MP_USE_QUAD)
|
|
# error "Oh dear, both BOOST_MP_USE_FLOAT128 and BOOST_MP_USE_QUAD are defined, which one should I be using?"
|
|
#endif
|
|
|
|
#if defined(BOOST_MP_USE_FLOAT128)
|
|
|
|
extern "C" {
|
|
#include <quadmath.h>
|
|
}
|
|
|
|
typedef __float128 float128_type;
|
|
|
|
#elif defined(BOOST_MP_USE_QUAD)
|
|
|
|
#include <boost/multiprecision/detail/float_string_cvt.hpp>
|
|
|
|
typedef _Quad float128_type;
|
|
|
|
extern "C" {
|
|
_Quad __ldexpq(_Quad, int);
|
|
_Quad __frexpq(_Quad, int*);
|
|
_Quad __fabsq(_Quad);
|
|
_Quad __floorq(_Quad);
|
|
_Quad __ceilq(_Quad);
|
|
_Quad __sqrtq(_Quad);
|
|
_Quad __truncq(_Quad);
|
|
_Quad __expq(_Quad);
|
|
_Quad __powq(_Quad, _Quad);
|
|
_Quad __logq(_Quad);
|
|
_Quad __log10q(_Quad);
|
|
_Quad __sinq(_Quad);
|
|
_Quad __cosq(_Quad);
|
|
_Quad __tanq(_Quad);
|
|
_Quad __asinq(_Quad);
|
|
_Quad __acosq(_Quad);
|
|
_Quad __atanq(_Quad);
|
|
_Quad __sinhq(_Quad);
|
|
_Quad __coshq(_Quad);
|
|
_Quad __tanhq(_Quad);
|
|
_Quad __fmodq(_Quad, _Quad);
|
|
_Quad __atan2q(_Quad, _Quad);
|
|
|
|
#define ldexpq __ldexpq
|
|
#define frexpq __frexpq
|
|
#define fabsq __fabsq
|
|
#define floorq __floorq
|
|
#define ceilq __ceilq
|
|
#define sqrtq __sqrtq
|
|
#define truncq __truncq
|
|
#define expq __expq
|
|
#define powq __powq
|
|
#define logq __logq
|
|
#define log10q __log10q
|
|
#define sinq __sinq
|
|
#define cosq __cosq
|
|
#define tanq __tanq
|
|
#define asinq __asinq
|
|
#define acosq __acosq
|
|
#define atanq __atanq
|
|
#define sinhq __sinhq
|
|
#define coshq __coshq
|
|
#define tanhq __tanhq
|
|
#define fmodq __fmodq
|
|
#define atan2q __atan2q
|
|
}
|
|
|
|
inline _Quad isnanq(_Quad v)
|
|
{
|
|
return v != v;
|
|
}
|
|
inline _Quad isinfq(_Quad v)
|
|
{
|
|
return __fabsq(v) > 1.18973149535723176508575932662800702e4932Q;
|
|
}
|
|
|
|
#endif
|
|
|
|
namespace boost{
|
|
namespace multiprecision{
|
|
namespace backends{
|
|
|
|
struct float128_backend;
|
|
|
|
}
|
|
|
|
using backends::float128_backend;
|
|
|
|
template<>
|
|
struct number_category<backends::float128_backend> : public mpl::int_<number_kind_floating_point> {};
|
|
template<>
|
|
struct number_category<float128_type> : public mpl::int_<number_kind_floating_point> {};
|
|
|
|
typedef number<float128_backend, et_off> float128;
|
|
|
|
namespace backends{
|
|
|
|
struct float128_backend
|
|
{
|
|
typedef mpl::list<signed char, short, int, long, boost::long_long_type> signed_types;
|
|
typedef mpl::list<unsigned char, unsigned short,
|
|
unsigned int, unsigned long, boost::ulong_long_type> unsigned_types;
|
|
typedef mpl::list<float, double, long double> float_types;
|
|
typedef int exponent_type;
|
|
|
|
private:
|
|
float128_type m_value;
|
|
public:
|
|
BOOST_CONSTEXPR float128_backend() BOOST_NOEXCEPT : m_value(0) {}
|
|
BOOST_CONSTEXPR float128_backend(const float128_backend& o) BOOST_NOEXCEPT : m_value(o.m_value) {}
|
|
float128_backend& operator = (const float128_backend& o) BOOST_NOEXCEPT
|
|
{
|
|
m_value = o.m_value;
|
|
return *this;
|
|
}
|
|
template <class T>
|
|
BOOST_CONSTEXPR float128_backend(const T& i, const typename enable_if_c<is_convertible<T, float128_type>::value>::type* = 0) BOOST_NOEXCEPT_IF(noexcept(std::declval<float128_type&>() = std::declval<const T&>()))
|
|
: m_value(i) {}
|
|
template <class T>
|
|
typename enable_if_c<is_arithmetic<T>::value || is_convertible<T, float128_type>::value, float128_backend&>::type operator = (const T& i) BOOST_NOEXCEPT_IF(noexcept(std::declval<float128_type&>() = std::declval<const T&>()))
|
|
{
|
|
m_value = i;
|
|
return *this;
|
|
}
|
|
float128_backend(long double const& f)
|
|
{
|
|
if(boost::math::isinf(f))
|
|
m_value = (f < 0) ? -1.0Q / 0.0Q : 1.0Q / 0.0Q;
|
|
else
|
|
m_value = f;
|
|
}
|
|
float128_backend& operator=(long double const& f)
|
|
{
|
|
if(boost::math::isinf(f))
|
|
m_value = (f < 0) ? -1.0Q / 0.0Q : 1.0Q / 0.0Q;
|
|
else
|
|
m_value = f;
|
|
return *this;
|
|
}
|
|
float128_backend& operator = (const char* s)
|
|
{
|
|
#ifndef BOOST_MP_USE_QUAD
|
|
char* p_end;
|
|
m_value = strtoflt128(s, &p_end);
|
|
if(p_end - s != (std::ptrdiff_t)std::strlen(s))
|
|
{
|
|
BOOST_THROW_EXCEPTION(std::runtime_error("Unable to interpret input string as a floating point value"));
|
|
}
|
|
#else
|
|
boost::multiprecision::detail::convert_from_string(*this, s);
|
|
#endif
|
|
return *this;
|
|
}
|
|
void swap(float128_backend& o) BOOST_NOEXCEPT
|
|
{
|
|
std::swap(m_value, o.value());
|
|
}
|
|
std::string str(std::streamsize digits, std::ios_base::fmtflags f)const
|
|
{
|
|
#ifndef BOOST_MP_USE_QUAD
|
|
char buf[100];
|
|
boost::scoped_array<char> buf2;
|
|
std::string format = "%";
|
|
if(f & std::ios_base::showpos)
|
|
format += "+";
|
|
if(f & std::ios_base::showpoint)
|
|
format += "#";
|
|
format += ".*";
|
|
if(digits == 0)
|
|
digits = 36;
|
|
format += "Q";
|
|
if(f & std::ios_base::scientific)
|
|
format += "e";
|
|
else if(f & std::ios_base::fixed)
|
|
format += "f";
|
|
else
|
|
format += "g";
|
|
|
|
int v = quadmath_snprintf (buf, 100, format.c_str(), digits, m_value);
|
|
|
|
if((v < 0) || (v >= 99))
|
|
{
|
|
int v_max = v;
|
|
buf2.reset(new char[v+3]);
|
|
v = quadmath_snprintf (&buf2[0], v_max + 3, format.c_str(), digits, m_value);
|
|
if(v >= v_max + 3)
|
|
{
|
|
BOOST_THROW_EXCEPTION(std::runtime_error("Formatting of float128_type failed."));
|
|
}
|
|
return &buf2[0];
|
|
}
|
|
return buf;
|
|
#else
|
|
return boost::multiprecision::detail::convert_to_string(*this, digits ? digits : 37, f);
|
|
#endif
|
|
}
|
|
void negate() BOOST_NOEXCEPT
|
|
{
|
|
m_value = -m_value;
|
|
}
|
|
int compare(const float128_backend& o)const
|
|
{
|
|
return m_value == o.m_value ? 0 : m_value < o.m_value ? -1 : 1;
|
|
}
|
|
template <class T>
|
|
int compare(const T& i)const
|
|
{
|
|
return m_value == i ? 0 : m_value < i ? -1 : 1;
|
|
}
|
|
float128_type& value()
|
|
{
|
|
return m_value;
|
|
}
|
|
const float128_type& value()const
|
|
{
|
|
return m_value;
|
|
}
|
|
};
|
|
|
|
inline void eval_add(float128_backend& result, const float128_backend& a)
|
|
{
|
|
result.value() += a.value();
|
|
}
|
|
template <class A>
|
|
inline void eval_add(float128_backend& result, const A& a)
|
|
{
|
|
result.value() += a;
|
|
}
|
|
inline void eval_subtract(float128_backend& result, const float128_backend& a)
|
|
{
|
|
result.value() -= a.value();
|
|
}
|
|
template <class A>
|
|
inline void eval_subtract(float128_backend& result, const A& a)
|
|
{
|
|
result.value() -= a;
|
|
}
|
|
inline void eval_multiply(float128_backend& result, const float128_backend& a)
|
|
{
|
|
result.value() *= a.value();
|
|
}
|
|
template <class A>
|
|
inline void eval_multiply(float128_backend& result, const A& a)
|
|
{
|
|
result.value() *= a;
|
|
}
|
|
inline void eval_divide(float128_backend& result, const float128_backend& a)
|
|
{
|
|
result.value() /= a.value();
|
|
}
|
|
template <class A>
|
|
inline void eval_divide(float128_backend& result, const A& a)
|
|
{
|
|
result.value() /= a;
|
|
}
|
|
|
|
inline void eval_add(float128_backend& result, const float128_backend& a, const float128_backend& b)
|
|
{
|
|
result.value() = a.value() + b.value();
|
|
}
|
|
template <class A>
|
|
inline void eval_add(float128_backend& result, const float128_backend& a, const A& b)
|
|
{
|
|
result.value() = a.value() + b;
|
|
}
|
|
inline void eval_subtract(float128_backend& result, const float128_backend& a, const float128_backend& b)
|
|
{
|
|
result.value() = a.value() - b.value();
|
|
}
|
|
template <class A>
|
|
inline void eval_subtract(float128_backend& result, const float128_backend& a, const A& b)
|
|
{
|
|
result.value() = a.value() - b;
|
|
}
|
|
template <class A>
|
|
inline void eval_subtract(float128_backend& result, const A& a, const float128_backend& b)
|
|
{
|
|
result.value() = a - b.value();
|
|
}
|
|
inline void eval_multiply(float128_backend& result, const float128_backend& a, const float128_backend& b)
|
|
{
|
|
result.value() = a.value() * b.value();
|
|
}
|
|
template <class A>
|
|
inline void eval_multiply(float128_backend& result, const float128_backend& a, const A& b)
|
|
{
|
|
result.value() = a.value() * b;
|
|
}
|
|
inline void eval_divide(float128_backend& result, const float128_backend& a, const float128_backend& b)
|
|
{
|
|
result.value() = a.value() / b.value();
|
|
}
|
|
|
|
template <class R>
|
|
inline void eval_convert_to(R* result, const float128_backend& val)
|
|
{
|
|
*result = static_cast<R>(val.value());
|
|
}
|
|
|
|
inline void eval_frexp(float128_backend& result, const float128_backend& arg, int* exp)
|
|
{
|
|
result.value() = frexpq(arg.value(), exp);
|
|
}
|
|
|
|
inline void eval_ldexp(float128_backend& result, const float128_backend& arg, int exp)
|
|
{
|
|
result.value() = ldexpq(arg.value(), exp);
|
|
}
|
|
|
|
inline void eval_floor(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = floorq(arg.value());
|
|
}
|
|
inline void eval_ceil(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = ceilq(arg.value());
|
|
}
|
|
inline void eval_sqrt(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = sqrtq(arg.value());
|
|
}
|
|
inline int eval_fpclassify(const float128_backend& arg)
|
|
{
|
|
if(isnanq(arg.value()))
|
|
return FP_NAN;
|
|
else if(isinfq(arg.value()))
|
|
return FP_INFINITE;
|
|
else if(arg.value() == 0)
|
|
return FP_ZERO;
|
|
|
|
float128_backend t(arg);
|
|
if(t.value() < 0)
|
|
t.negate();
|
|
if(t.value() < 3.36210314311209350626267781732175260e-4932Q)
|
|
return FP_SUBNORMAL;
|
|
return FP_NORMAL;
|
|
}
|
|
|
|
inline void eval_increment(float128_backend& arg)
|
|
{
|
|
++arg.value();
|
|
}
|
|
inline void eval_decrement(float128_backend& arg)
|
|
{
|
|
--arg.value();
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* abs/fabs:
|
|
*
|
|
*********************************************************************/
|
|
|
|
inline void eval_abs(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = fabsq(arg.value());
|
|
}
|
|
inline void eval_fabs(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = fabsq(arg.value());
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Floating point functions:
|
|
*
|
|
*********************************************************************/
|
|
|
|
inline void eval_trunc(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
if(isnanq(arg.value()) || isinfq(arg.value()))
|
|
{
|
|
result = boost::math::policies::raise_rounding_error(
|
|
"boost::multiprecision::trunc<%1%>(%1%)", 0,
|
|
number<float128_backend, et_off>(arg),
|
|
number<float128_backend, et_off>(arg),
|
|
boost::math::policies::policy<>()).backend();
|
|
return;
|
|
}
|
|
result.value() = truncq(arg.value());
|
|
}
|
|
/*
|
|
//
|
|
// This doesn't actually work... rely on our own default version instead.
|
|
//
|
|
inline void eval_round(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
if(isnanq(arg.value()) || isinf(arg.value()))
|
|
{
|
|
result = boost::math::policies::raise_rounding_error(
|
|
"boost::multiprecision::trunc<%1%>(%1%)", 0,
|
|
number<float128_backend, et_off>(arg),
|
|
number<float128_backend, et_off>(arg),
|
|
boost::math::policies::policy<>()).backend();
|
|
return;
|
|
}
|
|
result.value() = roundq(arg.value());
|
|
}
|
|
*/
|
|
|
|
inline void eval_exp(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = expq(arg.value());
|
|
}
|
|
inline void eval_log(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = logq(arg.value());
|
|
}
|
|
inline void eval_log10(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = log10q(arg.value());
|
|
}
|
|
inline void eval_sin(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = sinq(arg.value());
|
|
}
|
|
inline void eval_cos(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = cosq(arg.value());
|
|
}
|
|
inline void eval_tan(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = tanq(arg.value());
|
|
}
|
|
inline void eval_asin(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = asinq(arg.value());
|
|
}
|
|
inline void eval_acos(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = acosq(arg.value());
|
|
}
|
|
inline void eval_atan(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = atanq(arg.value());
|
|
}
|
|
inline void eval_sinh(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = sinhq(arg.value());
|
|
}
|
|
inline void eval_cosh(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = coshq(arg.value());
|
|
}
|
|
inline void eval_tanh(float128_backend& result, const float128_backend& arg)
|
|
{
|
|
result.value() = tanhq(arg.value());
|
|
}
|
|
inline void eval_fmod(float128_backend& result, const float128_backend& a, const float128_backend& b)
|
|
{
|
|
result.value() = fmodq(a.value(), b.value());
|
|
}
|
|
inline void eval_pow(float128_backend& result, const float128_backend& a, const float128_backend& b)
|
|
{
|
|
result.value() = powq(a.value(), b.value());
|
|
}
|
|
inline void eval_atan2(float128_backend& result, const float128_backend& a, const float128_backend& b)
|
|
{
|
|
result.value() = atan2q(a.value(), b.value());
|
|
}
|
|
inline void eval_multiply_add(float128_backend& result, const float128_backend& a, const float128_backend& b, const float128_backend& c)
|
|
{
|
|
result.value() = fmaq(a.value(), b.value(), c.value());
|
|
}
|
|
|
|
inline std::size_t hash_value(const float128_backend& val)
|
|
{
|
|
return boost::hash_value(static_cast<double>(val.value()));
|
|
}
|
|
|
|
} // namespace backends
|
|
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> asinh BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return asinhq(arg.backend().value());
|
|
}
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> acosh BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return acoshq(arg.backend().value());
|
|
}
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> atanh BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return atanhq(arg.backend().value());
|
|
}
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> cbrt BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return cbrtq(arg.backend().value());
|
|
}
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> erf BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return erfq(arg.backend().value());
|
|
}
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> erfc BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return erfcq(arg.backend().value());
|
|
}
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> expm1 BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return expm1q(arg.backend().value());
|
|
}
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> lgamma BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return lgammaq(arg.backend().value());
|
|
}
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> tgamma BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return tgammaq(arg.backend().value());
|
|
}
|
|
template<boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<float128_backend, ExpressionTemplates> log1p BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return log1pq(arg.backend().value());
|
|
}
|
|
|
|
template <multiprecision::expression_template_option ExpressionTemplates>
|
|
inline int signbit BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates>& arg)
|
|
{
|
|
return ::signbitq(arg.backend().value());
|
|
}
|
|
|
|
template <multiprecision::expression_template_option ExpressionTemplates>
|
|
inline boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> copysign BOOST_PREVENT_MACRO_SUBSTITUTION(const boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates>& a, const boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates>& b)
|
|
{
|
|
return ::copysignq(a.backend().value(), b.backend().value());
|
|
}
|
|
|
|
inline void eval_remainder(float128_backend& result, const float128_backend& a, const float128_backend& b)
|
|
{
|
|
result.value() = remainderq(a.value(), b.value());
|
|
}
|
|
inline void eval_remainder(float128_backend& result, const float128_backend& a, const float128_backend& b, int* pi)
|
|
{
|
|
result.value() = remquoq(a.value(), b.value(), pi);
|
|
}
|
|
|
|
} // namespace multiprecision
|
|
|
|
namespace math {
|
|
|
|
using boost::multiprecision::signbit;
|
|
using boost::multiprecision::copysign;
|
|
|
|
} // namespace math
|
|
|
|
} // namespace boost
|
|
|
|
namespace boost{
|
|
namespace archive{
|
|
|
|
class binary_oarchive;
|
|
class binary_iarchive;
|
|
|
|
}
|
|
|
|
namespace serialization{ namespace float128_detail{
|
|
|
|
template <class Archive>
|
|
void do_serialize(Archive& ar, boost::multiprecision::backends::float128_backend& val, const mpl::false_&, const mpl::false_&)
|
|
{
|
|
// saving
|
|
// non-binary
|
|
std::string s(val.str(0, std::ios_base::scientific));
|
|
ar & s;
|
|
}
|
|
template <class Archive>
|
|
void do_serialize(Archive& ar, boost::multiprecision::backends::float128_backend& val, const mpl::true_&, const mpl::false_&)
|
|
{
|
|
// loading
|
|
// non-binary
|
|
std::string s;
|
|
ar & s;
|
|
val = s.c_str();
|
|
}
|
|
|
|
template <class Archive>
|
|
void do_serialize(Archive& ar, boost::multiprecision::backends::float128_backend& val, const mpl::false_&, const mpl::true_&)
|
|
{
|
|
// saving
|
|
// binary
|
|
ar.save_binary(&val, sizeof(val));
|
|
}
|
|
template <class Archive>
|
|
void do_serialize(Archive& ar, boost::multiprecision::backends::float128_backend& val, const mpl::true_&, const mpl::true_&)
|
|
{
|
|
// loading
|
|
// binary
|
|
ar.load_binary(&val, sizeof(val));
|
|
}
|
|
|
|
} // detail
|
|
|
|
template <class Archive>
|
|
void serialize(Archive& ar, boost::multiprecision::backends::float128_backend& val, unsigned int /*version*/)
|
|
{
|
|
typedef typename Archive::is_loading load_tag;
|
|
typedef typename mpl::bool_<boost::is_same<Archive, boost::archive::binary_oarchive>::value || boost::is_same<Archive, boost::archive::binary_iarchive>::value> binary_tag;
|
|
|
|
float128_detail::do_serialize(ar, val, load_tag(), binary_tag());
|
|
}
|
|
|
|
} // namepsace archive
|
|
|
|
} // namespace boost
|
|
|
|
namespace std{
|
|
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
class numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >
|
|
{
|
|
typedef boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> number_type;
|
|
public:
|
|
BOOST_STATIC_CONSTEXPR bool is_specialized = true;
|
|
static number_type (min)() BOOST_NOEXCEPT { return 3.36210314311209350626267781732175260e-4932Q; }
|
|
static number_type (max)() BOOST_NOEXCEPT { return 1.18973149535723176508575932662800702e4932Q; }
|
|
static number_type lowest() BOOST_NOEXCEPT { return -(max)(); }
|
|
BOOST_STATIC_CONSTEXPR int digits = 113;
|
|
BOOST_STATIC_CONSTEXPR int digits10 = 33;
|
|
BOOST_STATIC_CONSTEXPR int max_digits10 = 36;
|
|
BOOST_STATIC_CONSTEXPR bool is_signed = true;
|
|
BOOST_STATIC_CONSTEXPR bool is_integer = false;
|
|
BOOST_STATIC_CONSTEXPR bool is_exact = false;
|
|
BOOST_STATIC_CONSTEXPR int radix = 2;
|
|
static number_type epsilon() { return 1.92592994438723585305597794258492732e-34Q; }
|
|
static number_type round_error() { return 0.5; }
|
|
BOOST_STATIC_CONSTEXPR int min_exponent = -16381;
|
|
BOOST_STATIC_CONSTEXPR int min_exponent10 = min_exponent * 301L / 1000L;
|
|
BOOST_STATIC_CONSTEXPR int max_exponent = 16384;
|
|
BOOST_STATIC_CONSTEXPR int max_exponent10 = max_exponent * 301L / 1000L;
|
|
BOOST_STATIC_CONSTEXPR bool has_infinity = true;
|
|
BOOST_STATIC_CONSTEXPR bool has_quiet_NaN = true;
|
|
BOOST_STATIC_CONSTEXPR bool has_signaling_NaN = false;
|
|
BOOST_STATIC_CONSTEXPR float_denorm_style has_denorm = denorm_present;
|
|
BOOST_STATIC_CONSTEXPR bool has_denorm_loss = true;
|
|
static number_type infinity() { return 1.0q / 0.0q; }
|
|
static number_type quiet_NaN() { return number_type("nan"); }
|
|
static number_type signaling_NaN() { return 0; }
|
|
static number_type denorm_min() { return 6.475175119438025110924438958227646552e-4966Q; }
|
|
BOOST_STATIC_CONSTEXPR bool is_iec559 = true;
|
|
BOOST_STATIC_CONSTEXPR bool is_bounded = false;
|
|
BOOST_STATIC_CONSTEXPR bool is_modulo = false;
|
|
BOOST_STATIC_CONSTEXPR bool traps = false;
|
|
BOOST_STATIC_CONSTEXPR bool tinyness_before = false;
|
|
BOOST_STATIC_CONSTEXPR float_round_style round_style = round_to_nearest;
|
|
};
|
|
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::is_specialized;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST int numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::digits;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST int numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::digits10;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST int numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::max_digits10;
|
|
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::is_signed;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::is_integer;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::is_exact;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST int numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::radix;
|
|
|
|
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST int numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::min_exponent;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST int numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::max_exponent;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST int numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::min_exponent10;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST int numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::max_exponent10;
|
|
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::has_infinity;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::has_quiet_NaN;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::has_signaling_NaN;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::has_denorm_loss;
|
|
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::is_iec559;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::is_bounded;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::is_modulo;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::traps;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST bool numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::tinyness_before;
|
|
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST float_round_style numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::round_style;
|
|
template <boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
BOOST_CONSTEXPR_OR_CONST float_denorm_style numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::float128_backend, ExpressionTemplates> >::has_denorm;
|
|
|
|
} // namespace std
|
|
|
|
|
|
#endif
|