RINT(3) Library Functions Manual RINT(3)

NAME

rint, rintfround to integral value in floating-point format

LIBRARY

Math Library (libm, -lm)

SYNOPSIS

#include <math.h>

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.

SEE ALSO

abs(3), ceil(3), fabs(3), floor(3), math(3)

HISTORY

A rint() function appeared in Version 6 AT&T UNIX.
March 10, 1994 NetBSD 6.1