Printing floating points

[Bruce Carneal]

On Wednesday, 27 January 2021 at 09:37:34 UTC, Ola Fosheim 
Grøstad wrote:
> On Wednesday, 27 January 2021 at 09:09:08 UTC, Bruce Carneal 
> wrote:
>
> I haven't made any such assertion. If you ask questions, I'll 
> answer them to my ability. Please stop making assumptions.

Great.  Two questions: 1) Do you believe that a trivial 
domain/co-domain mapping, like those in the examples you gave, 
exists for the problem under discussion? and 2) If so, do you 
have time to provide a proof?