Re: [Boost-users] [boost][multiprecision] compile error with gcc 4.8.4

Subject: Re: [Boost-users] [boost][multiprecision] compile error with gcc 4.8.4
From: Rob Conde (rob.conde_at_[hidden])
Date: 2016-08-18 10:05:24

Any luck? It would be great if there was a fix in boost 1.62.

Thanks,

Rob

________________________________
From: Boost-users <boost-users-bounces_at_[hidden]> on behalf of John Maddock <jz.maddock_at_[hidden]>
Sent: Tuesday, August 16, 2016 7:11:07 AM
To: boost-users_at_[hidden]
Subject: Re: [Boost-users] [boost][multiprecision] compile error with gcc 4.8.4

On 16/08/2016 01:59, Rob Conde wrote:
> #include <boost/multiprecision/cpp_int.hpp>
> #include <boost/multiprecision/cpp_bin_float.hpp>
>
> typedef boost::multiprecision::int128_t int128_t;
> typedef boost::multiprecision::cpp_bin_float_quad float128_t;
>
> int main()
> {
>    int128_t intVal;
>    float128_t floatVal(intVal.convert_to<float128_t>());
>    return 0;
> }

That should work, as should:

float128_t f(intVal);

However, while both of these do work with msvc, they fail with GCC, so
there is a bug (or 2) somewhere.  I'll investigate later.

John.
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