standard.C.math.floor

floor is available since version 1.0.

Prototype:

number floor(number n)

Parameters

n
[in] Number whose floor value is to be calculated

Description:

Returns a number representing the largest value that is less than or equal to n.

Return value:

Returns a number representing the largest value that is less than or equal to n.

Example
import standard.C.math

class Main {
     function Main() {
          var y;
          var n = 2.8;
          var m = -2.8;

          y = floor(n);
          echo "The floor of 2.8 is " + y + "\n";
          y = floor(m);
          echo "The floor of -2.8 is " + y + "\n";

          y = ceil(n);
          echo "The ceil of 2.8 is " + y + "\n";
          y = ceil(m);
          echo "The ceil of -2.8 is " + y ;

     }
} 
 

Results 
The floor of 2.8 is 2
The floor of -2.8 is -3
The ceil of 2.8 is 3
The ceil of -2.8 is -2