Python | Decimal is_infinite() method

Python | Decimal is_nan() method

Last Updated : 05 Sep, 2019

Decimal#is_nan() : is_nan() is a Decimal class method which checks whether the Decimal value is NaN value.

Syntax: Decimal.is_nan()

Parameter: Decimal values

Return: true – if the Decimal value is NaN value; otherwise false

Code #1 : Example for is_nan() method

# Python Program explaining  
# is_nan() method 
  
# loading decimal library 
from decimal import *
  
  
# Initializing a decimal value 
a = Decimal(-1) 
  
b = Decimal('nan') 
  
# printing Decimal values 
print ("Decimal value a : ", a) 
print ("Decimal value b : ", b) 
  
  
# Using Decimal.is_nan() method 
print ("\n\nDecimal a with is_nan() method : ", a.is_nan()) 
  
print ("Decimal b with is_nan() method : ", b.is_nan()) 

Output :

Decimal value a :  -1
Decimal value b :  NaN


Decimal a with is_nan() method :  False
Decimal b with is_nan() method :  True

Code #2 : Example for is_nan() method

# Python Program explaining  
# is_nan() method 
  
# loading decimal library 
from decimal import *
  
  
# Initializing a decimal value 
a = Decimal('-3.14') 
  
b = Decimal('321e + 5') 
  
# printing Decimal values 
print ("Decimal value a : ", a) 
print ("Decimal value b : ", b) 
  
  
# Using Decimal.is_nan() method 
print ("\n\nDecimal a with is_nan() method : ", a.is_nan()) 
  
print ("Decimal b with is_nan() method : ", b.is_nan()) 

Output :

Decimal value a :  -3.14
Decimal value b :  3.21E+7


Decimal a with is_nan() method :  False
Decimal b with is_nan() method :  False

Python | Decimal is_infinite() method

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