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- Subject: Re: Lua number type and 64-bit machines
- From: Polarina <gabrielp@...>
- Date: Fri, 06 Mar 2009 15:04:52 +0000
"Floating point numbers may generally be either 32 bits long (C "float"
type), or 64 bits long (C "double" type). However, in order to reduce
round-off errors, the FPU stack registers are all 80 bits wide."
The 80-bit wide FPU stack registers are long double.
On Fri, 2009-03-06 at 09:57 -0500, Javier Guerra wrote:
> On Fri, Mar 6, 2009 at 9:43 AM, Gabríel A. Pétursson <firstname.lastname@example.org> wrote:
> > The x86_64 and x86 do support long doubles in hardware. Other
> > architectures do not.
> [citation requested]