EXP

NAME

log10, log10f, log10l - base-10 logarithmic function

#include <math.h>

double log10(double x);

float log10f(float x);

long double log10l(long double x);

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

The log10() function can return the following errors:

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