#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)):
For special cases, including where x is 0, 1, negative, infinity, or NaN, see log(3).
For a discussion of the errors that can occur for these functions, see log(3).
|log10(), log10f(), log10l()||Thread safety||MT-Safe|