Module: TNB::Math

Defined in:
lib/TheresNoBox/tnb.rb

Class Method Summary collapse

Class Method Details

.to_currency(amount) ⇒ Object

amount is expected to be an integer.



13
14
15
16
17
18
 
# File 'lib/TheresNoBox/tnb.rb', line 13

def self.to_currency(amount)
  amount = (amount + 0.5).floor
  dollars = (amount / 100).floor
  cents = sprintf('%02d', (amount - (dollars * 100)))
  return '$' << dollars.to_s << '.' << cents
end