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”).