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  1. require 'bigdecimal'
  2.  
  3. class Float
  4.   [:+, :-, :/, :*].each do |op|
  5.     define_method(op) do |other|
  6.       BigDecimal.new(self.to_s).
  7.         send(op, BigDecimal.new(other.to_s))
  8.     end
  9.   end
  10. end
  11.  
  12. a = 1.2
  13. b = 1.0
  14. c = 0.2
  15.  
  16. puts a - b == c
  17. puts a * 10 - b * 10 == c * 10
  18.  
  19. b = BigDecimal.new("1.0")
  20. puts a - b == c
  21. puts a * 10 - b * 10 == c * 10
Success #stdin #stdout 0s 30336KB
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https://ideone.com/NwFtJd
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
public

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