FLOOR(3M) Mathematical Library Functions FLOOR(3M)
NAME
floor, floorf, floorl - floor function
SYNOPSIS
c99 [
flag... ]
file...
-lm [
library... ]
#include <math.h>
double floor(
double x);
float floorf(
float x);
long double floorl(
long double x);
DESCRIPTION
These functions compute the largest integral value not greater than
x.
RETURN VALUES
Upon successful completion, these functions return the largest
integral value not greater than
x, expressed as a
double,
float, or
long double, as appropriate for the return type of the function.
If
x is NaN, a NaN is returned.
If
x is +-Inf or +-0,
x is returned.
ATTRIBUTES
See
attributes(7) for descriptions of the following attributes:
+----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+----------------------------+-----------------------------+
|Interface Stability | Standard |
+----------------------------+-----------------------------+
|MT-Level | MT-Safe |
+----------------------------+-----------------------------+
SEE ALSO
math.h(3HEAD),
ceil(3M),
feclearexcept(3M),
fetestexcept(3M),
isnan(3M),
attributes(7),
standards(7)SunOS 5.11 July 12, 2006 FLOOR(3M)
