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semmons99/gist:927927

Created April 19, 2011 14:04
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gistfile1.rb
def bankers_round(amount)
scaled_amt = amount * BigDecimal("100")
if scaled_amt.frac > BigDecimal("0.5")
return scaled_amt.ceil / BigDecimal("100")
elsif scaled_amt.frac < BigDecimal("0.5")
return scaled_amt.floor / BigDecimal("100")
end
return scaled_amt.floor / BigDecimal("100") if scaled_amt.to_i.even?
scaled_amt.ceil / BigDecimal("100")
end
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