RINT(3) OpenBSD Programmer's Manual RINT(3)NAME
rint, rintf, rintl - round to integral value in floating-point format
SYNOPSIS
#include <math.h>
double
rint(double x);
float
rintf(float x);
long double
rintl(long double 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 rintf() function is a single precision version of rint(). The
rintl() function is an extended precision version of rint().
SEE ALSOabs(3), ceil(3), fabs(3), floor(3), math(3)HISTORY
A rint() function appeared in Version 6 AT&T UNIX.
OpenBSD 4.9 August 3, 2009 OpenBSD 4.9