Python | Decimal is_normal() 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

Python3

# 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

Python3

# 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_normal() method

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