Re: POC: rational number type (fractions)

Joe Nelson wrote:
> where the denominator is made positive whenever possible (not possible
> when it's -INT_MAX).

(I meant INT_MIN rather than -INT_MAX.)

Another more-than-one-way-to-do-it task is converting a float to a
fraction.  I translated John Kennedy's method [0] to C, but Github user
adegert sent an alternative [1] that matches the way the CPython
implementation works.

0: https://begriffs.com/pdf/dec2frac.pdf 
1: https://github.com/begriffs/pg_rational/pull/13