lround(3) -- Linux man page
NAME
lround, lroundf, lroundl, llround, llroundf, llroundl - round to nearest integer, away from zero
SYNOPSIS
#include <math.h>
long int lround(double x);
long int lroundf(float x);
long int lroundl(long double x);
long long int llround(double x);
long long int llroundf(float x);
long long int llroundl(long double x);
DESCRIPTION
These functions round their argument to the nearest integer value,
rounding away from zero, regardless of the current rounding direction.
If x is infinite or NaN, or if the rounded value is outside
the range of the return type, the numeric result is unspecified.
A domain error may occur if the magnitude of x is too large.
RETURN VALUE
The rounded integer value.
ERRORS
- EDOM
-
The magnitude of x is too large and
(math_errhandling & MATH_ERRNO)
is non-zero.
CONFORMING TO
C99.
SEE ALSO
ceil(3),
floor(3),
lrint(3),
nearbyint(3),
rint(3),
round(3)
|
