Rounding modes. kRoundTiesToEven and kRoundTiesAwayFromZero both round
to the nearest representable value unless two values are equally close.
In that case kRoundTiesToEven rounds to the nearest even value, while
kRoundTiesAwayFromZero always rounds away from zero.
Rounding modes. kRoundTiesToEven and kRoundTiesAwayFromZero both round to the nearest representable value unless two values are equally close. In that case kRoundTiesToEven rounds to the nearest even value, while kRoundTiesAwayFromZero always rounds away from zero.