Python cmath - isnan() Function
The Python cmath.isnan() function returns True if either the real or the imaginary part of a given complex number is a NaN, and False otherwise.
Syntax
cmath.isnan(x)
Parameters
x |
Required. Specify the value. |
Return Value
Returns true if either the real or the imaginary part of the argument is a NaN, and false otherwise.
Example:
In the example below, isnan() function is used to check if the argument is a NaN or not.
import cmath
print(cmath.isnan(2 + 2j))
print(cmath.isnan(-2))
print(cmath.isnan(1.5j),"\n")
print(cmath.isnan(float("inf")))
print(cmath.isnan(float("-inf")))
print(cmath.isnan(float("nan")))
The output of the above code will be:
False False False False False True
❮ Python cMath Module
