update boost

linx64/include/boost/math/tools/big_constant.hpp

@@ -8,10 +8,13 @@
 #define BOOST_MATH_TOOLS_BIG_CONSTANT_HPP
 
 #include <boost/math/tools/config.hpp>
-#ifndef BOOST_MATH_NO_LEXICAL_CAST
+#ifndef BOOST_MATH_STANDALONE
 #include <boost/lexical_cast.hpp>
 #endif
-#include <boost/type_traits/is_convertible.hpp>
+
+#include <cstdlib>
+#include <type_traits>
+#include <limits>
 
 namespace boost{ namespace math{ 
 
@@ -31,30 +34,39 @@ struct numeric_traits<__float128>
    static const int max_exponent = 16384;
    static const bool is_specialized = true;
 };
-#else
+#elif LDBL_DIG > DBL_DIG
 typedef long double largest_float;
 #define BOOST_MATH_LARGEST_FLOAT_C(x) x##L
+#else
+typedef double largest_float;
+#define BOOST_MATH_LARGEST_FLOAT_C(x) x
 #endif
 
 template <class T>
-inline BOOST_CONSTEXPR_OR_CONST T make_big_value(largest_float v, const char*, mpl::true_ const&, mpl::false_ const&) BOOST_MATH_NOEXCEPT(T)
+inline constexpr T make_big_value(largest_float v, const char*, std::true_type const&, std::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*, mpl::true_ const&, mpl::true_ const&) BOOST_MATH_NOEXCEPT(T)
+inline constexpr T make_big_value(largest_float v, const char*, std::true_type const&, std::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, mpl::false_ const&, mpl::false_ const&)
+inline T make_big_value(largest_float, const char* s, std::false_type const&, std::false_type const&)
 {
    return boost::lexical_cast<T>(s);
 }
+#else
+template <typename T>
+inline T make_big_value(largest_float, const char* s, std::false_type const&, std::false_type const&)
+{
+   static_assert(sizeof(T) == 0, "Type is unsupported in standalone mode. Please disable and try again.");
+}
 #endif
 template <class T>
-inline BOOST_MATH_CONSTEXPR T make_big_value(largest_float, const char* s, mpl::false_ const&, mpl::true_ const&) BOOST_MATH_NOEXCEPT(T)
+inline constexpr T make_big_value(largest_float, const char* s, std::false_type const&, std::true_type const&) BOOST_MATH_NOEXCEPT(T)
 {
    return T(s);
 }
@@ -66,19 +78,19 @@ inline BOOST_MATH_CONSTEXPR T make_big_value(largest_float, const char* s, mpl::
    boost::math::tools::make_big_value<T>(\
       BOOST_MATH_LARGEST_FLOAT_C(x), \
       BOOST_STRINGIZE(x), \
-      mpl::bool_< (is_convertible<boost::math::tools::largest_float, T>::value) && \
+      std::integral_constant<bool, (std::is_convertible<boost::math::tools::largest_float, T>::value) && \
       ((D <= boost::math::tools::numeric_traits<boost::math::tools::largest_float>::digits) \
-          || is_floating_point<T>::value \
+          || std::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_convertible<const char*, T>())
+      std::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), \
-   mpl::bool_<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<const char*, T>())
+   std::integral_constant<bool, std::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)>(), \
+   std::is_constructible<T, const char*>())
 
 }}} // namespaces