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Ruby | BigDecimal exp() function

  • Last Updated : 05 Dec, 2019

BigDecimal#exp() : exp() is a BigDecimal class method which returns the value of e (the base of natural logarithms) raised to the power of decimal, to the specified number of digits of precision.

Syntax: BigDecimal.exp()

Parameter: BigDecimal values

Return: the value of e (the base of natural logarithms) raised to the power of decimal

Example #1 :






# Ruby code for BigDecimal.exp() method
  
# loading library
require 'bigdecimal'
  
# declaring bigdecimal
a = BigDecimal("10")
  
# declaring bigdecimal
b = BigDecimal("1000") *2
  
# declaring bigdecimal
c = BigDecimal("11.43")
  
# exp() method
puts "BigDecimal a exp method : #{Math.exp(a)}\n\n"
  
puts "BigDecimal b exp method : #{Math.exp(b)}\n\n"
  
puts "BigDecimal a exp method : #{Math.exp(c)}\n\n"

Output :

BigDecimal a exp method : 22026.465794806718

BigDecimal b exp method : Infinity

BigDecimal a exp method : 92041.97481768382

Example #2 :




# Ruby code for BigDecimal.exp() method
  
# loading library
require 'bigdecimal'
  
# declaring bigdecimal
a = BigDecimal('12')*12
  
# declaring bigdecimal
b = BigDecimal('10')+(22 ** 7.1) ** 10
  
# declaring bigdecimal
c = -BigDecimal('-3')
  
# exp() method
puts "BigDecimal a exp method : #{Math.exp(a)}\n\n"
  
puts "BigDecimal b exp method : #{Math.exp(b)}\n\n"
  
puts "BigDecimal a exp method : #{Math.exp(c)}\n\n"

Output :

BigDecimal a exp method : 3.454660656717546e+62

BigDecimal b exp method : Infinity

BigDecimal a exp method : 20.085536923187668




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