Remove real type

[strtr]

Robert Jacques Wrote:

> On Wed, 21 Apr 2010 23:48:20 -0300, strtr <strtr at spam.com> wrote:
> 
> > abcd Wrote:
> >
> >> On the other hand, being an engineer, I use the reals all the time and
> >> want them to stay. I would use the max precision supported by the cpu
> >> then fixed precision like double any day.
> >>
> >> -sk
> >
> > For me it's the exact opposite, reproducibility/portability is key. My  
> > problem with real is that I am always afraid my floats get upgraded to  
> > them internally somewhere/somehow.
> 
> You do realize that the x86 floating point unit _always_ promotes floats  
> and doubles to reals internally? The only way around it is for the  
> compiler to use MMX/SSE unit for everything instead.

Does this mean that float calculations are always off between intel and amd as intel uses 80bit reals?
(x86 is my target audience)