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NEARBYINT 3M "Jul 12, 2006" "SunOS 5.11" "Mathematical Library Functions"
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)