Remove real type

[strtr]

Walter Bright Wrote:

> strtr 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.
> 
> With numerical work, I suggest getting the correct answer is preferable 
> <g>. Having lots of bits makes it more likely you'll get the right 
> answer. Yes, it is possible to get correct answers with low precision, 
> but it requires an expert and the techniques are pretty advanced.

The funny thing is that getting the exact correct answer is not that big of a deal. I would give a few bits of imprecision for portability over x86