rat.round â integer
rat.round(precision=0) â rational
rat.round(precision=0) â rational
Instance Public methods
Returns the truncated value (toward the nearest integer; 0.5 => 1; -0.5 => -1).
Rational(3).round #=> 3
Rational(2, 3).round #=> 1
Rational(-3, 2).round #=> -2
decimal - 1 2 3 . 4 5 6
^ ^ ^ ^ ^ ^
precision -3 -2 -1 0 +1 +2
'%f' % Rational('-123.456').round(+1) #=> "-123.500000"
'%f' % Rational('-123.456').round(-1) #=> "-120.000000"
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