log10,
log10f
[base 10 logarithms]
SYNOPSIS
#include <math.h> double log10(double x); float log10f(float x);
DESCRIPTION
log10
returns the base 10 logarithm of x.
It is implemented as log(x)/log(10).
log10f is identical, save that it takes and returns float values.
RETURNS
log10
and log10f
return the calculated value. See the
description for “log,
logf
” for information on errors.
COMPLIANCE
log10
is ANSI C. log10f
is an extension.