Python | Decimal logb() method
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
# Python Program explaining # logb() method # loading decimal library from decimal import * # Initializing a decimal value a = Decimal( '.9932' ) b = Decimal( '0.142857' ) # printing Decimal values print ( "Decimal value a : " , a) print ( "Decimal value b : " , b) # Using Decimal.logb() method 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
# Python Program explaining # logb() 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.logb() method 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
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