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Ruby | BigDecimal sub() function

  • Last Updated : 06 Dec, 2019

BigDecimal#sub() : sub() is a BigDecimal class method which returns the subtraction using a specified value.

Syntax: BigDecimal.sub()

Parameter: BigDecimal values

Return: the subtraction using a specified value.

Example #1 :






# Ruby code for BigDecimal.sub() method
  
# loading library
require 'bigdecimal'
  
# declaring bigdecimal
a = BigDecimal("10")
  
# declaring bigdecimal
b = -BigDecimal("10")
  
# declaring bigdecimal
c = -BigDecimal("11.43")
  
# sub() method
puts "BigDecimal a sub method : #{a.sub(b, 2)}\n\n"
  
puts "BigDecimal b sub method : #{b.sub(c, 1)}\n\n"
  
puts "BigDecimal c sub method : #{c.sub(a, 4)}\n\n"

Output :

BigDecimal a sub method : 0.2E2

BigDecimal b sub method : 0.1E1

BigDecimal c sub method : -0.2143E2

Example #2 :




# Ruby code for BigDecimal.sub() 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')
  
# sub() method
puts "BigDecimal a sub method : #{a.sub(b, 2)}\n\n"
  
puts "BigDecimal b sub method : #{b.sub(c, 1)}\n\n"
  
puts "BigDecimal c sub method : #{c.sub(a, 4)}\n\n"

Output :

BigDecimal a sub method : 0.21E96

BigDecimal b sub method : -0.2E96

BigDecimal c sub method : -0.147E3




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