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GNU/Linux man pages

Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :

ISBN : 978-2-7460-9712-4
EAN : 9782746097124
(Editions ENI)

GNU/Linux

CentOS 2.1AS

(Slurm)

lround(3)


LROUND

LROUND

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
CONFORMING TO
SEE ALSO

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)



lround(3)