CentOS 5.1

GNU/Linux	CentOS 5.1
	clog2f(3)

CLOG2

NAME

clog2, clog2f, clog2l − base-2 logarithm of a complex number

#include <complex.h>

double complex clog2(double complex z);
float complex clog2f(float complex z);
long double complex clog2l(long double complex z);

Link with −lm.

The logarithm is defined as log2(cabs(z))+I*carg(z). Please note that z close to zero will cause an overflow.

These function names are reserved for future use in C99.

Not yet in glibc, as at version 2.4.