How many bytes in a real ?

[Guillaume Chatelet via Digitalmars-d]

On Monday, 24 August 2015 at 21:58:48 UTC, rsw0x wrote:
> On Monday, 24 August 2015 at 21:55:40 UTC, Guillaume Chatelet 
> wrote:
>> On linux x86_64 : real.sizeof == 16 but it looks like only the 
>> first the first 10 bytes are used (ie. 80bits)
>>
>> Is there a way to know the real size of a real ?
>
> http://dlang.org/type.html
> 	largest FP size implemented in hardwareImplementation Note: 80 
> bits for x86 CPUs or double size, whichever is larger

Yep I found this, I'd like to know this information at compile 
time.