Re: [boost] [math] Support for libquadmath/ __float128

Subject: Re: [boost] [math] Support for libquadmath/ __float128
From: Jonathan Wakely (jwakely.boost_at_[hidden])
Date: 2013-03-07 05:05:44

On 7 March 2013 09:20, John Maddock wrote:
>
> I've added minimal __float128 support in Boost.Math Trunk: it's enabled
> whenever BOOST_MATH_USE_FLOAT128 is set, which it is automatically when the
> above macro is detected (which I note libstdc++ doesn't seem to use anywhere
> itself).

It's used in <type_traits>

#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128)
  template<>
    struct __is_floating_point_helper<__float128>
    : public true_type { };
#endif