FM / tools

/usr/include/boost/math/tools

Name	Size	Mode	Actions
detail/	-	0755	rm
atomic.hpp	3255	0644	edit dl rm
big_constant.hpp	3412	0644	edit dl rm
bivariate_statistics.hpp	2858	0644	edit dl rm
complex.hpp	1744	0644	edit dl rm
condition_numbers.hpp	3498	0644	edit dl rm
config.hpp	14579	0644	edit dl rm
convert_from_string.hpp	1656	0644	edit dl rm
cxx03_warn.hpp	5128	0644	edit dl rm
fraction.hpp	8733	0644	edit dl rm
minima.hpp	4319	0644	edit dl rm
norms.hpp	16425	0644	edit dl rm
numerical_differentiation.hpp	533	0644	edit dl rm
polynomial.hpp	21946	0644	edit dl rm
polynomial_gcd.hpp	6044	0644	edit dl rm
precision.hpp	14133	0644	edit dl rm
promotion.hpp	8434	0644	edit dl rm
rational.hpp	13809	0644	edit dl rm
real_cast.hpp	744	0644	edit dl rm
recurrence.hpp	12901	0644	edit dl rm
roots.hpp	34373	0644	edit dl rm
series.hpp	6445	0644	edit dl rm
signal_statistics.hpp	12061	0644	edit dl rm
stats.hpp	2056	0644	edit dl rm
test_value.hpp	5523	0644	edit dl rm
toms748_solve.hpp	18329	0644	edit dl rm
traits.hpp	3001	0644	edit dl rm
tuple.hpp	2040	0644	edit dl rm
univariate_statistics.hpp	12465	0644	edit dl rm
user.hpp	2636	0644	edit dl rm
workaround.hpp	1067	0644	edit dl rm

Edit: /usr/include/boost/math/tools/big_constant.hpp (3412B)

#ifndef BOOST_MATH_TOOLS_BIG_CONSTANT_HPP
#define BOOST_MATH_TOOLS_BIG_CONSTANT_HPP

#include <boost/math/tools/config.hpp>
#ifndef BOOST_MATH_NO_LEXICAL_CAST
#include <boost/lexical_cast.hpp>
#endif
#include <boost/type_traits/is_constructible.hpp>
#include <boost/type_traits/is_convertible.hpp>
#include <boost/type_traits/is_floating_point.hpp>

namespace boost{ namespace math{

namespace tools{

template <class T>
struct numeric_traits : public std::numeric_limits< T > {};

#ifdef BOOST_MATH_USE_FLOAT128
typedef __float128 largest_float;
#define BOOST_MATH_LARGEST_FLOAT_C(x) x##Q
template <>
struct numeric_traits<__float128>
{
   static const int digits = 113;
   static const int digits10 = 33;
   static const int max_exponent = 16384;
   static const bool is_specialized = true;
};
#else
typedef long double largest_float;
#define BOOST_MATH_LARGEST_FLOAT_C(x) x##L
#endif

template <class T>
inline BOOST_CONSTEXPR_OR_CONST T make_big_value(largest_float v, const char*, boost::true_type const&, boost::false_type const&) BOOST_MATH_NOEXCEPT(T)
{
   return static_cast<T>(v);
}
template <class T>
inline BOOST_CONSTEXPR_OR_CONST T make_big_value(largest_float v, const char*, boost::true_type const&, boost::true_type const&) BOOST_MATH_NOEXCEPT(T)
{
   return static_cast<T>(v);
}
#ifndef BOOST_MATH_NO_LEXICAL_CAST
template <class T>
inline T make_big_value(largest_float, const char* s, boost::false_type const&, boost::false_type const&)
{
   return boost::lexical_cast<T>(s);
}
#endif
template <class T>
inline BOOST_MATH_CONSTEXPR T make_big_value(largest_float, const char* s, boost::false_type const&, boost::true_type const&) BOOST_MATH_NOEXCEPT(T)
{
   return T(s);
}

//
// For constants which might fit in a long double (if it's big enough):
//
#define BOOST_MATH_BIG_CONSTANT(T, D, x)\
   boost::math::tools::make_big_value<T>(\
      BOOST_MATH_LARGEST_FLOAT_C(x), \
      BOOST_STRINGIZE(x), \
      boost::integral_constant<bool, (boost::is_convertible<boost::math::tools::largest_float, T>::value) && \
      ((D <= boost::math::tools::numeric_traits<boost::math::tools::largest_float>::digits) \
          || boost::is_floating_point<T>::value \
          || (boost::math::tools::numeric_traits<T>::is_specialized && \
          (boost::math::tools::numeric_traits<T>::digits10 <= boost::math::tools::numeric_traits<boost::math::tools::largest_float>::digits10))) >(), \
      boost::is_constructible<T, const char*>())
//
// For constants too huge for any conceivable long double (and which generate compiler errors if we try and declare them as such):
//
#define BOOST_MATH_HUGE_CONSTANT(T, D, x)\
   boost::math::tools::make_big_value<T>(0.0L, BOOST_STRINGIZE(x), \
   boost::integral_constant<bool, boost::is_floating_point<T>::value || (boost::math::tools::numeric_traits<T>::is_specialized && boost::math::tools::numeric_traits<T>::max_exponent <= boost::math::tools::numeric_traits<boost::math::tools::largest_float>::max_exponent && boost::math::tools::numeric_traits<T>::digits <= boost::math::tools::numeric_traits<boost::math::tools::largest_float>::digits)>(), \
   boost::is_constructible<T, const char*>())

}}} // namespaces

#endif

// Copyright (c) 2011 John Maddock // Use, modification and distribution are subject to the // Boost Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #ifndef BOOST_MATH_TOOLS_BIG_CONSTANT_HPP #define BOOST_MATH_TOOLS_BIG_CONSTANT_HPP #include #ifndef BOOST_MATH_NO_LEXICAL_CAST #include #endif #include #include #include namespace boost{ namespace math{ namespace tools{ template struct numeric_traits : public std::numeric_limits< T > {}; #ifdef BOOST_MATH_USE_FLOAT128 typedef __float128 largest_float; #define BOOST_MATH_LARGEST_FLOAT_C(x) x##Q template <> struct numeric_traits<__float128> { static const int digits = 113; static const int digits10 = 33; static const int max_exponent = 16384; static const bool is_specialized = true; }; #else typedef long double largest_float; #define BOOST_MATH_LARGEST_FLOAT_C(x) x##L #endif template inline BOOST_CONSTEXPR_OR_CONST T make_big_value(largest_float v, const char*, boost::true_type const&, boost::false_type const&) BOOST_MATH_NOEXCEPT(T) { return static_cast(v); } template inline BOOST_CONSTEXPR_OR_CONST T make_big_value(largest_float v, const char*, boost::true_type const&, boost::true_type const&) BOOST_MATH_NOEXCEPT(T) { return static_cast(v); } #ifndef BOOST_MATH_NO_LEXICAL_CAST template inline T make_big_value(largest_float, const char* s, boost::false_type const&, boost::false_type const&) { return boost::lexical_cast(s); } #endif template inline BOOST_MATH_CONSTEXPR T make_big_value(largest_float, const char* s, boost::false_type const&, boost::true_type const&) BOOST_MATH_NOEXCEPT(T) { return T(s); } // // For constants which might fit in a long double (if it's big enough): // #define BOOST_MATH_BIG_CONSTANT(T, D, x)\ boost::math::tools::make_big_value(\ BOOST_MATH_LARGEST_FLOAT_C(x), \ BOOST_STRINGIZE(x), \ boost::integral_constant::value) && \ ((D <= boost::math::tools::numeric_traits::digits) \ || boost::is_floating_point::value \ || (boost::math::tools::numeric_traits::is_specialized && \ (boost::math::tools::numeric_traits::digits10 <= boost::math::tools::numeric_traits::digits10))) >(), \ boost::is_constructible()) // // For constants too huge for any conceivable long double (and which generate compiler errors if we try and declare them as such): // #define BOOST_MATH_HUGE_CONSTANT(T, D, x)\ boost::math::tools::make_big_value(0.0L, BOOST_STRINGIZE(x), \ boost::integral_constant::value || (boost::math::tools::numeric_traits::is_specialized && boost::math::tools::numeric_traits::max_exponent <= boost::math::tools::numeric_traits::max_exponent && boost::math::tools::numeric_traits::digits <= boost::math::tools::numeric_traits::digits)>(), \ boost::is_constructible()) }}} // namespaces #endif