made it work, more or less, with ruby 1.9

[nyuron.git] / classes / extensions / float.rb

class Float
        if RUBY_VERSION < "1.9"
                alias __old_round__ round
                ## define round as it is in ruby1.9.
                ## the argument specifies the number of digits after zero
                def round(x=0)
                        return self.to_i if x == 0

                        factor = 10 ** x
                        (self * factor).__old_round__.to_f / factor
                end
        end
end