Re: Supporting fractional values for a unit converter function

Heime <[email protected]> writes:

> On Sunday, March 22nd, 2026 at 2:05 AM, Heime <[email protected]> wrote:
>
>> I want to extend a unit conversion framework that accepts fractional
>> inches by letting value be a Lisp rational (like 7/64) and then treating
>> it as a normal number in the conversion.
>> 
>> To write (units 7/64 :inch :mm) rather than the cumbersome
>> (units ((float 7) / (float 64)) :inch :mm)
>
> Can a function be made to take an argument 7/64 and interpret 
> it inside the function as (/ (float 7) (float 64))?

For this a user have to write (/ 7.0 64) as input.  See 3rd paragraph of
the info node "(elisp) Float Basics".
-- 
Manuel Giraud