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
STANDARDS
The floor() function conforms to
ANSI X3.159-1989
(“ANSI C89”).
HISTORY
A floor() function first appeared in
Version 5 AT&T UNIX.