LROUNDSection: Linux Programmer's Manual (3)Updated: 2001-05-31 |
NAME
lround, lroundf, lroundl, llround, llroundf, llroundl - round to nearest integer, away from zeroSYNOPSIS
#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)