`ulp(float_info.max)`

[clairvoyante]

CPython 3.13.9

Python 3.13.9 (tags/v3.13.9:8183fa5, Oct 14 2025, 14:09:13) [MSC v.1944 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> from sys import float_info
>>> from math import ulp
>>> ulp(float_info.max)
1.99584030953472e+292
>>>

Brython 3.14.0(https://brython.info/tests/console.html)

Brython 3.14.0 on Netscape 5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36 Edg/142.0.0.0
Type "help", "copyright", "credits" or "license" for more information.
>>> from sys import float_info
>>> from math import ulp
>>> ulp(float_info.max)
inf
>>>