Flashnux

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 4.8

i386

logl(3)


EXP

EXP

NAME
SYNOPSIS
DESCRIPTION
ERRORS
CONFORMING TO
SEE ALSO

NAME

log, logf, logl − natural logarithmic function

SYNOPSIS

#include <math.h>

double log(double x);

float logf(float x);

long double logl(long double x);

DESCRIPTION

The log() function returns the natural logarithm of x.

ERRORS

The log() function can return the following errors:

EDOM

The argument x is negative.

ERANGE

The argument x is zero. The log of zero is not defined (minus infinity).

CONFORMING TO

SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double variants are C99 requirements.

SEE ALSO

sqrt(3), cbrt(3)



logl(3)