LROUND(3) Linux Programmer's Manual LROUND(3)
NAME
lround, lroundf, lroundl, llround, llroundf, llroundl - round to near-
est integer, away from zero
SYNOPSIS
#include<math.h>
longintlround(double x);
longintlroundf(float x);
longintlroundl(longdouble x);
longlongintllround(double x);
longlongintllroundf(float x);
longlongintllroundl(longdouble 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.
RETURNVALUE
The rounded integer value.
ERRORS
EDOM The magnitude of x is too large and (math_errhandling &
MATH_ERRNO) is non-zero.
CONFORMINGTO
C99.
SEEALSO
ceil(3), floor(3), lrint(3), nearbyint(3), rint(3), round(3)
2001-05-31 LROUND(3)