blob: 9bdf5bba7b38dda367bbb8f986a4603df670b299 (
plain) (
tree)
|
|
class Float
alias precisionless_round round
private :precisionless_round
# Rounds the float with the specified precision.
#
# x = 1.337
# x.round # => 1
# x.round(1) # => 1.3
# x.round(2) # => 1.34
def round(precision = nil)
if precision
magnitude = 10.0 ** precision
(self * magnitude).round / magnitude
else
precisionless_round
end
end
end
|