floor function

Submitted by Guest (not verified) on Wed, 02/05/2012 - 13:00

Floor function returns the greatest integer not greater than x. For example if the input is 2.25 then output will be 2.00.

Declaration :- double floor(double x);

C programming code for floor

#include <stdio.h>
#include <math.h>
 
int main()
{
  double n, result;
 
  printf("Enter a number to round it down\n");
  scanf("%lf", &n);
 
  result = floor(n);
 
  printf("Original number =  %.2lf\n", n);
  printf("Number rounded down = %.2lf\n", result);
 
  return 0;
}
AttachmentSize
floor.png4.73 KB
Compiler used: 
GCC
Output of program: 
floor