rint, rintf -- round to integral value in floating-point format
Math Library (libm, -lm)
#include <math.h>
double
rint(double x);
float
rintf(float x);
The rint() and the rintf() functions return the integral value (represented
as a double or float precision number) nearest to x according to
the prevailing rounding mode.
abs(3), ceil(3), fabs(3), floor(3), ieee(3), math(3)
A rint() function appeared in Version 6 AT&T UNIX.
FreeBSD 5.2.1 March 10, 1994 FreeBSD 5.2.1 [ Back ] |