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Workaround for lack of numeric_limits specializations of __int128 when in strict ansi mode, rather than GNU mode.

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John Maddock
2017-05-17 18:20:48 +01:00
parent 08b9a6980f
commit fdb0ce2b37
1 changed files with 13 additions and 0 deletions
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13
include/boost/multiprecision/detail/number_base.hpp
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@@ -988,6 +988,19 @@ template <class Backend, expression_template_option ExpressionTemplates>
struct number_category<number<Backend, ExpressionTemplates> > : public number_category<Backend>{};
template <class tag, class A1, class A2, class A3, class A4>
struct number_category<detail::expression<tag, A1, A2, A3, A4> > : public number_category<typename detail::expression<tag, A1, A2, A3, A4>::result_type>{};
//
// Specializations for types which do not always have numberic_limits specializations:
//
#ifdef BOOST_HAS_INT128
template <>
struct number_category<__int128> : public mpl::int_<number_kind_integer> {};
template <>
struct number_category<unsigned __int128> : public mpl::int_<number_kind_integer> {};
#endif
#ifdef BOOST_HAS_FLOAT128
template <>
struct number_category<__float128> : public mpl::int_<number_kind_floating_point> {};
#endif
template <class T>
struct component_type;