NAME
round,
roundf
- round to nearest integral value
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
double
round(
double x
)
float
roundf(
float x
)
DESCRIPTION
The
round(
)
and
roundf(
)
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),
math(3),
rint(3),
trunc(3)
STANDARDS
The
round(
)
and
roundf(
)
functions conform to
ISO/IEC 9899:1999 (``ISO C99'') .
HISTORY
The
round(
)
and
roundf(
)
functions appeared in
NetBSD2.0.