RINT(3) BSD Library Functions Manual RINT(3)NAME
nearbyint, nearbyintf, rint, rintf — round to integral value in floating-
point format
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h>
double
nearbyint(double x);
float
nearbyintf(float x);
double
rint(double x);
float
rintf(float x);
DESCRIPTION
The rint() function returns the integral value (represented as a double
precision number) nearest to x according to the prevailing rounding mode.
The nearbyint() and nearbyintf() functions perform the same operation,
except that they do not raise an inexact exception.
SEE ALSOabs(3), ceil(3), fabs(3), floor(3), ieee(3), math(3)HISTORY
A rint() function appeared in Version 6 AT&T UNIX.
BSD November 28, 2009 BSD