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).