floor(3) BSD Library Functions Manual floor(3)
NAME
floor -- round to largest integral value not greater than x
SYNOPSIS
#include <math.h>
double
floor(double x);
long double
floorl(long double x);
float
floorf(float x);
DESCRIPTION
The floor() functions return the largest integral value less than or
equal to x.
SPECIAL VALUES
floor(+-0) returns +-0.
floor(+-infinity) returns +-infinity.
SEE ALSO
abs(3), ceil(3), fabs(3), rint(3), math(3)
STANDARDS
The floor() functions conform to ISO/IEC 9899:1999(E).
BSD December 11, 2006 BSD
Mac OS X 10.6 - Generated Thu Sep 17 20:19:46 CDT 2009