CentOS 5.4

GNU/Linux	CentOS 5.4
	clog10l(3)

CLOG10

NAME

clog10, clog10f, clog10l − base-10 logarithm of a complex number

#define _GNU_SOURCE
#include <complex.h>

double complex clog10(double complex z);
float complex clog10f(float complex z);
long double complex clog10l(long double complex z);

Link with −lm.

The logarithm is defined as log10(cabs(z))+I*carg(z). Please note that z close to zero will cause an overflow.

The function is a GNU extension. It is reserved for future use in C99.