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Ruby | BigDecimal <=> value

  • Last Updated : 08 Jan, 2020

BigDecimal#<=>() : <=>() is a BigDecimal class method which compares two BigDecimal values.

Syntax:  BigDecimal.<=>()

Parameter:  BigDecimal values

Return:  0  if a equals b; 1  if a > b; -1 if a < b

Code #1 : Example for <=>() method




# Ruby code for BigDecimal.<=>() method
   
# loading BigDecimal
require 'bigdecimal'
   
# declaring BigDecimal
a = 42.1**13
   
# declaring BigDecimal
b = -BigDecimal("10")
   
# declaring BigDecimal
c = -(22 ** 7.1) * 10
  
# a > b
puts "BigDecimal a <=> b : #{a<=>b}\n\n"
  
# b > c
puts "BigDecimal b <=> c : #{b<=>c}\n\n"
  
# c < a
puts "BigDecimal a <=> c : #{c<=>a}\n\n"

Output :

BigDecimal a <=> b : 1

BigDecimal b <=> c : 1

BigDecimal a <=> c : -1

Code #2 : Example for <=>() method




# Ruby code for BigDecimal.<=>() method
   
# loading BigDecimal
require 'bigdecimal'
   
# declaring BigDecimal
a = 12**12 - 27
   
# declaring BigDecimal
b = BigDecimal('10')-(22 ** 7.1) ** 10
   
# declaring BigDecimal
c = BigDecimal('-3')
  
# a > b
puts "BigDecimal a <=> b : #{a<=>b}\n\n"
  
# b < c
puts "BigDecimal b <=> c : #{b<=>c}\n\n"

Output :

BigDecimal a <=> b : 1

BigDecimal b <=> c : -1

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