[fpc-pascal] Floating point question

[Michael Van Canneyt]

On Mon, 12 Feb 2024, Thomas Kurz via fpc-pascal wrote:

> I wouldn't say so. Or at least, not generally. Why can't the compiler do what the programer intends to do:
>
> var
>  s: single;
>  d: double;
>  e: extended;
>
> begin
>  s := 8427.0 + 33.0 / 1440.0; // treat all constants all "single"
>  d := 8427.0 + 33.0 / 1440.0; // treat all constants all "double"
>  e := 8427.0 + 33.0 / 1440.0; // treat all constants all "extended"
> end.

You cannot do this in Pascal. 
The evaluation of the expression on the right of := does not
know (and should not know) what the type is of the expression on the left.

Michael.