Documentation

Function defined in library math

isinf(num)

isinfnum

Returns True if the given value represents positive or negative infinity.

numnumber to check

True if the value is infinite, False otherwise
Code
isinf(inf)
Result
True
Code
isinf(-inf)
Result
True
Code
isinf(42)
Result
False

See also isinf in the official documentation

Logo of PyTamaro

PyTamaro is a project created by the Lugano Computing Education Research Lab at the Software Institute of USI

Privacy Policy • Platform Version c2da2b72 (Thu, 01 Oct 2026 14:24:01 GMT)