Reference for package '#rtl'

Floor

Return the largest integer smaller than or equal to argument

Declaration

Source position: math.pp line 410

  function Floor(x: Float) : Integer;

Description

Floor returns the largest integer smaller than or equal to x. The absolute value of x should be less than maxint.

Errors

If x is larger than maxint, an overflow will occur.

See also

Name Description
ceil Return the lowest integer number greater than or equal to argument

Example

Program Example13;
{ Program to demonstrate the floor function. }
Uses math;
begin
  Writeln(Floor(-3.7)); // should be -4
  Writeln(Floor(3.7));  // should be 3
  Writeln(Floor(-4.0)); // should be -4
end.