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@rafaelss
Created February 18, 2009 02:47
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# extracted from
# http://www.codecodex.com/wiki/index.php?title=Round_a_number_to_a_specific_decimal_place#Ruby
class Float
def round_to(x)
(self * 10**x).round.to_f / 10**x
end
def ceil_to(x)
(self * 10**x).ceil.to_f / 10**x
end
def floor_to(x)
(self * 10**x).floor.to_f / 10**x
end
end
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