NEARBYINT(3M) Mathematical Library Functions NEARBYINT(3M)
NAME
nearbyint, nearbyintf, nearbyintl - floating-point rounding functions
SYNOPSIS
c99 [
flag... ]
file...
-lm [
library... ]
#include <math.h>
double nearbyint(
double x);
float nearbyintf(
float x);
long double nearbyintl(
long double x);
DESCRIPTION
These functions round their argument to an integer value in floating-
point format, using the current rounding direction and without
raising the inexact floating-point exception.
RETURN VALUES
Upon successful completion, these functions return the rounded
integer value.
If
x is NaN, a NaN is returned.
If
x is +-0, +-0 is returned.
If
x is +-Inf,
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),
feclearexcept(3M),
fetestexcept(3M),
attributes(7),
standards(7)SunOS 5.11 July 12, 2006 NEARBYINT(3M)
