◄Description► ◄Example► ◄Up► ◄Contents► ◄Index► ◄Back► ──────────────────────────────────────────────────────────────────────────── Include: <math.h> Syntax: long double ceill( long double x ); long double floorl( long double x ); Returns: (ceill) the long double result rounded up. (floorl) the long double result rounded down. See also: fmod -♦-