1 SET CURRENT DECFLOAT ROUNDING MODE 2! = 2? 3.0 ROUND_CEILING 3.0 ROUND_DOWN 3.0 ROUND_FLOOR 3.0 ROUND_HALF_DOWN 3.0 ROUND_HALF_EVEN 3.0 ROUND_HALF_UP 3.0 ROUND_UP 3.0 variable 3.0 string-constant