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djo/mround.rb

Created December 13, 2012 17:28
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Helper to round a number to the desired multiple 0.5.
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mround.rb
# Returns a number rounded to the desired multiple 0.5,
# analog of excel's MROUND(A1, 0.05).
def mround(number)
(number * 20).round.to_f / 20
end
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