sizeof(long double) vs. std::numeric_limits and x86-64 vs x86

[Michael Veksler]

On 09/27/2011 01:46 AM, Ian Lance Taylor wrote:
> Alas, no. On x86_64 long double is an 80-bit floating point number,
> just as on 32-bit x86.  The size is 16 bytes because the x86_64 prefers
> to align large values to 8-byte boundaries.
>
> gcc works this way because the 80-bit floating point format is supported
> directly in hardware, unlike the 128-bit format.
>
>

I suspected that this is the case, but hoped for the better.

Thanks

--

   Michael