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RedHat 9 (Linux i386) - man page for llrintl (redhat section 3)

LRINT(3)						     Linux Programmer's Manual							  LRINT(3)

NAME
lrint, lrintf, lrintl, llrint, llrintf, llrintl - round to nearest integer
SYNOPSIS
#include <math.h> long int lrint(double x); long int lrintf(float x); long int lrintl(long double x); long long int llrint(double x); long long int llrintf(float x); long long int llrintl(long double x);
DESCRIPTION
These functions round their argument to the nearest integer value, using 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), lround(3), nearbyint(3), rint(3), round(3) 2001-05-31 LRINT(3)