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- Subject: Re: Lua number type and 64-bit machines
- From: Gabríel "A." Pétursson <gabrielp@...>
- Date: Fri, 06 Mar 2009 14:43:15 +0000
On Fri, 2009-03-06 at 09:05 -0500, Thomas Harning Jr. wrote:
> On Fri, Mar 6, 2009 at 7:02 AM, Luiz Henrique de Figueiredo
> <lhf@tecgraf.puc-rio.br> wrote:
> >> Lua uses doubles on 32bit machines, shouldn't 64bit machines use long
> >> doubles or even quadruple precision floats ?
> >
> > Do 64-bit machines suppport long doubles in hardware?
>
> The x86_64 architecture does not support long doubles in hardware. As
> for other architectures, I don't know.
The x86_64 and x86 do support long doubles in hardware. Other
architectures do not.
