Python cmath.isfinite() Method

Example

Check whether a complex value is finite or not:

#import cmath for complex number operations
import cmath

#find whether a complex number is finite or not
print (cmath.isfinite(2 + 3j))
print (cmath.isfinite(complex(5.0,float('inf'))))
print (cmath.isfinite(float('inf')+ 5j))

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Definition and Usage

The cmath.isfinite() method checks whether a complex value is finite, or not. This method returns a Boolean value: True if the value is finite, otherwise False.

Syntax

cmath.isfinite(x)

Parameter Values

Parameter	Description
x	Required. The value to check if it is finite or not

Technical Details

Return Value:	A `bool` value, `True` if the value is finite, otherwise `False`
Python Version:	3.2

❮ cmath Methods