| RINT(3) | Library Functions Manual | RINT(3) | 
NAME
 rint, rintf — round 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.
HISTORY
 A rint() function appeared in Version 6 AT&T UNIX.