MATHLIB Function
Return the largest integer smaller than or equal to X.
FLOOR(X_FV)
X_FV
A floating point value in the range -2147483648 through 2147483648, inclusive.
Description
Use this function to return the largest integer smaller than or equal to X.
Errors
FLOOR: argument > largest integer; returning 0.0.
FLOOR: argument < smallest integer; returning 0.0.
X is not within the allowable range, so the function returned the value 0.0 and placed one of these messages in the ESL errorlog.