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
HISTORY
A rint() function appeared in Version 6 AT&T UNIX.