Re: [Multiprecision] number conversion to __int128

From: John Maddock (jz.maddock_at_[hidden])
Date: 2020-05-15 12:59:05

On 15/05/2020 11:03, A.Dmitrovsky via Boost-users wrote:
> Hi,
> Boost::multiprecision docs [1] mentions that the type parameter of 
> number::convert_to method should be "fundamental", pointing to the 
> list of standard types ('A |number| can be converted to any 
> fundamental (built-in) 
> <https://en.cppreference.com/w/cpp/language/types> type)'.
> This is different to number::convert_to reference [2], which states 
> that "Type |T| may be any arithmetic type".
> Can [unsigned] __int128 be treated as "fundamental" on 
> compilers/platforms which support it?

Yes, it was an oversight - I thought I'd fixed this recently actually, 
so I might need to investigate some more...

> [1] 
> https://www.boost.org/doc/libs/1_73_0/libs/multiprecision/doc/html/boost_multiprecision/tut/conversions.html
> [2] 
> https://www.boost.org/doc/libs/1_73_0/libs/multiprecision/doc/html/boost_multiprecision/ref/number.html
> Regards,
> Anton
>
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