Why don't we switch to C like floating pointed arithmetic instead of automatic expansion to reals?

[Walter Bright via Digitalmars-d]

On 8/5/2016 12:43 AM, Ilya Yaroshenko wrote:
> You are wrong that there are far fewer of those cases. This is naive point of
> view. A lot of netlib math functions require exact IEEE arithmetic. Tinflex
> requires it. Python C backend and Mir library require exact IEEE arithmetic.
> Atmosphere package requires it, Atmosphere is used as reference code for my
> publication in JMS, Springer. And the most important case: no one top scientific
> laboratory will use a language without exact IEEE arithmetic by default.

I'd appreciate it if you could provide links to where these requirements are. I 
can't find anything on Tinflex, for example.