tail head cat sleep
QR code linking to this page

Manual Pages  — ROUND

NAME

round, roundf, roundl – round to nearest integral value

CONTENTS

LIBRARY

Math Library (libm, -lm)

SYNOPSIS

#include <math.h>

double
round(double x);

float
roundf(float x);

long double
roundl(long double x);

DESCRIPTION

The round(), roundf(), and roundl() functions return the nearest integral value to x; if x lies halfway between two integral values, then these functions return the integral value with the larger absolute value (i.e., they round away from zero).

SEE ALSO

ceil(3), floor(3), ieee(3), lrint(3), lround(3), math(3), rint(3), trunc(3)

STANDARDS

These functions conform to ISO/IEC 9899:1999 ("ISO C99").

HISTORY

The round() and roundf() functions appeared in FreeBSD 5.3 . The roundl() function appeared in FreeBSD 6.0 .

ROUND (3) April 7, 2005

tail head cat sleep
QR code linking to this page


Please direct any comments about this manual page service to Ben Bullock. Privacy policy.

Did you know that 7/5 people don't know how to use fractions?