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lround(3) [redhat man page]

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

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) 2001-05-31 LROUND(3)

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

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) 2001-05-31 LROUND(3)
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