abstract:In mathematics and computer science, the floor and ceiling functions map a real number to the largest previous or the smallest following integer, respectively. More precisely, floor(x) = \lfloor x\rfloor is the largest integer not greater than x and ceiling(x) = \lceil x \rceil is the smallest integer not less than x.
Newfunctionsincluderegularexpressionsyntaxforpatternmatching, new datefunctionssuch as current date, and new numericfunctions such as floor, ceilingandround.