Python Documentation Function isinf

Documentation

Function defined in library math

isinf(num)

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

Parameters

numnumber to check

Return

True if the value is infinite, False otherwise

Examples

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 c1acc87b (Thu, 23 Jul 2026 08:39:58 GMT)