Python | Decimal logb() method
Last Updated :
05 Sep, 2019
Decimal#logb() : logb() is a Decimal class method which returns the adjusted exponent of the Decimal value.
Syntax:
Decimal.logb()
Parameter:
Decimal values
Return:
the adjusted exponent of the Decimal value.
Code #1 : Example for logb() method
from decimal import *
a = Decimal('.9932')
b = Decimal('0.142857')
print ("Decimal value a : ", a)
print ("Decimal value b : ", b)
print ("\n\nDecimal a with logb() method : ", a.logb())
print ("Decimal b with logb() method : ", b.logb())
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Output :
Decimal value a : 0.9932
Decimal value b : 0.142857
Decimal a with logb() method : -1
Decimal b with logb() method : -1
Code #2 : Example for logb() method
from decimal import *
a = Decimal('3.14')
b = Decimal('321e + 5')
print ("Decimal value a : ", a)
print ("Decimal value b : ", b)
print ("\n\nDecimal a with logb() method : ", a.logb())
print ("Decimal b with logb() method : ", b.logb())
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Output :
Decimal value a : 3.14
Decimal value b : 3.21E+7
Decimal a with logb() method : 0
Decimal b with logb() method : 7