DragonFly On-Line Manual Pages
FLOOR(3) DragonFly Library Functions Manual FLOOR(3)
NAME
floor, floorf, floorl -- round to largest integral value not greater than
x
SYNOPSIS
#include <math.h>
double
floor(double x);
float
floorf(float x);
long double
floorl(long double x);
DESCRIPTION
The floor() function returns the largest integral value less than or
equal to x. The floorf() function is a single precision version of
floor(). The floorl() function is an extended precision version of
floor().
SEE ALSO
abs(3), ceil(3), fabs(3), nextafter(3), rint(3)
STANDARDS
The floor() function conforms to ANSI X3.159-1989 (``ANSI C89'').
HISTORY
A floor() function first appeared in Version 5 AT&T UNIX.
DragonFly 4.1 July 17, 2013 DragonFly 4.1