Unexpected behaviour of math.floor, round and int functions (rounding)

[2QdxY4RzWzUUiLuE at potatochowder.com]

On 2021-11-18 at 23:16:32 -0300,
René Silva Valdés <rene.silva.valdes at gmail.com> wrote:

> Hello, I would like to report the following issue:
> 
> Working with floats i noticed that:
> 
> int(23.99999999999999/12) returns 1, and
> int(23.999999999999999/12) returns 2
> 
> This implies that int() function is rounding ...

It's not int() that's doing the rounding; that second numerator is being
rounded before being divided by 12:

    Python 3.9.7 (default, Oct 10 2021, 15:13:22) 
    [GCC 11.1.0] on linux
    Type "help", "copyright", "credits" or "license" for more information.
    >>> 23.999999999999999
    24.0
    >>> (23.999999999999999).hex()
    '0x1.8000000000000p+4'