Subject: Re: [boost] [math] Support for libquadmath/ __float128
From: John Maddock (boost.regex_at_[hidden])
Date: 2013-02-25 11:28:11
>>> I haven't found one - gcc-4.7.2 has all sorts of __SIZEOF_XXX__ defines
>>> for every last type
>> *except*
>>> __float128 and __float80 :-(
>>
> Sorry for a possibly stupid questio, but is it not possible to use any of
> the FLT128_XXX defines listed here:
>
> http://gcc.gnu.org/onlinedocs/libquadmath/Typedef-and-constants.html#Typedef-and-constants
Including that header will only work (as in not generate a compiler error)
if the compiler supports __float128 as a native type, which is what we want
to work out... basically whether the GCC build was configured to support it
or not.
John.