LOG10(3) Linux Programmers Manual LOG10(3)
log10, log10f, log10l - base-10 logarithmic function
double log10(double x);
float log10f(float x);
long double log10l(long double x);
Link with -lm.
The log10() function returns the base 10 logarithm of x.
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.
SVr4, 4.3BSD, C89. The float and long double variants are C99 require
cbrt(3), clog10(3), exp10(3), sqrt(3)
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