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decimal method for float objects

/ Published in: Ruby
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Extend any float object to allow for decimal conversion

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  1. class Float
  2.   # USAGE : 123123123.123131.decimal # => 123123123.12
  3.   # OR 123123123.123131.decimal 4 # => 123123123.1231
  4.   # Defaults to a scale of 2
  5.   def decimal(prec=2)
  6.     number = self.to_s.split(".")[0]
  7.     scale = self.to_s.split(".")[1][0..(prec-1)]
  8.     "#{number}.#{scale}".to_f
  9.   end
  10. end

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