NAME
round, roundf,
roundl —
round to nearest integral
value
LIBRARY
library “libm”
SYNOPSIS
#include
<math.h>
double
round(double
x);
float
roundf(float
x);
long double
roundl(long
double x);
DESCRIPTION
Theround(),
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
STANDARDS
The round() and
roundf() functions conform to
ISO/IEC 9899:1999
(“ISO C99”).
HISTORY
The round() and
roundf() functions appeared in
NetBSD 2.0.