DragonFly On-Line Manual Pages
ROUND(3) DragonFly Library Functions Manual ROUND(3)
NAME
round, roundf, roundl -- round to nearest integral value
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), lrint(3), lround(3), nextafter(3), rint(3), trunc(3)
STANDARDS
These functions conform to ISO/IEC 9899:1999 (``ISO C99'').
DragonFly 4.1 July 7, 2011 DragonFly 4.1