LOG10
Section: Linux Programmer's Manual (3)
Updated: 20100920
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NAME
log10, log10f, log10l  base10 logarithmic function
SYNOPSIS
#include <math.h>
double log10(double x);
float log10f(float x);
long double log10l(long double x);
Link with lm.
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
log10f(),
log10l():

_BSD_SOURCE  _SVID_SOURCE  _XOPEN_SOURCE >= 600  _ISOC99_SOURCE 
_POSIX_C_SOURCE >= 200112L;
or
cc std=c99
DESCRIPTION
The
log10()
function returns the base 10 logarithm of
x.
RETURN VALUE
On success, these functions return the base 10 logarithm of
x.
For special cases, including where
x
is 0, 1, negative, infinity, or NaN, see
log(3).
ERRORS
See
math_error(7)
for information on how to determine whether an error has occurred
when calling these functions.
For a discussion of the errors that can occur for these functions, see
log(3).
CONFORMING TO
C99, POSIX.12001.
The variant returning
double
also conforms to
SVr4, 4.3BSD, C89.
SEE ALSO
cbrt(3),
clog10(3),
exp10(3),
log(3),
log2(3),
sqrt(3)
COLOPHON
This page is part of release 3.54 of the Linux
manpages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/manpages/.
Index
 NAME

 SYNOPSIS

 DESCRIPTION

 RETURN VALUE

 ERRORS

 CONFORMING TO

 SEE ALSO

 COLOPHON

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Time: 06:39:15 GMT, January 20, 2018