clog2f (3) Linux Manual Page
clog2, clog2f, clog2l – base-2 logarithm of a complex number
Synopsis
#include <complex.h> double complex clog2(double complex z);
float complex clog2f(float complex z);
long double complex clog2l(long double complex z);
Description
The call clog2(z) is equivalent to clog(z)/log(2).The other functions perform the same task for float and long double.
Note that z close to zero will cause an overflow.
Conforming To
These function names are reserved for future use in C99. Not yet in glibc, as at version 2.19.