80 bit floating point emulator

[Ola Fosheim Grøstad]

On Sunday, 6 February 2022 at 06:21:22 UTC, Ola Fosheim Grøstad 
wrote:
> On Sunday, 6 February 2022 at 04:30:25 UTC, Walter Bright wrote:
>> P.S. It doesn't have to be fast. It just has to be written in 
>> portable D and produce the same answers as the x87.
>
> Is this paid work? Doesn’t 8087 use CORDIC for mul/div?

Hm, maybe not. This source:

http://www.righto.com/2020/05/die-analysis-of-8087-math-coprocessors.html

says it used only shifts and subtracts for division with 67/68 
bits for the significand/mantissa.

Using CORDIC for "approximate" division might be more recent.