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Section: Linux Programmer's Manual (3)
Updated: 2002-07-27
Index Return to Main Contents
 

NAME

log10, log10f, log10l - base-10 logarithmic function  

SYNOPSIS

#include <math.h>

double log10(double x);

float log10f(float x);
long double log10l(long double x);

Link with -lm.  

DESCRIPTION

The log10() function returns the base 10 logarithm of x.  

ERRORS

The log10() 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.
 

CONFORMING TO

SVr4, 4.3BSD, C89. The float and long double variants are C99 requirements.  

SEE ALSO

cbrt(3), clog10(3), sqrt(3)


 

Index

NAME
SYNOPSIS
DESCRIPTION
ERRORS
CONFORMING TO
SEE ALSO

linux.jgfs.net manual pages