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(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
SEE ALSO
feclearexcept(3M), fetestexcept(3M), math.h(3HEAD), attributes(5), standards(5)
SunOS 5.11 12 Jul 2006 nearbyint(3M)
