NAME
lrint() — round to nearest long function
SYNOPSIS
#include <math.h>
long lrint(double x);
DESCRIPTION
lrint()
rounds its argument to the nearest integral value, rounding according
to the current rounding direction. If the rounded value is outside
the range of
long,
the numeric result is unspecified.
The ISO/ANSI C committee has approved the
lrint()
function for inclusion in the C9X draft standard.
To use this function, compile either with the default
-Ae
option or with the
-Aa
and
-D_HPUX_SOURCE
options. Make sure your program includes
<math.h>.
Link in the math library by specifying
-lm
on the compiler or linker command line.
RETURN VALUE
The
lrint()
function returns the rounded
long
value, using the current rounding direction.
ERRORS
No errors are defined.
SEE ALSO
ceil(3M),
floor(3M),
fabs(3M),
fmod(3M),
fegetround(3M),
fesetround(3M),
llrint(3M),
lround(3M),
llround(3M),
rint(3M),
round(3M),
trunc(3M),
math(5),
fenv(5).
