CLOG2(3) | Linux Programmer's Manual | CLOG2(3) |

# NAME

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)*.

*float*and

*long double*.

*z*close to zero will cause an overflow.

# CONFORMING TO

These function names are reserved for future use in C99.# AVAILABILITY

Not yet in glibc, as at version 2.17.# SEE ALSO

**cabs**(3),

**cexp**(3),

**clog**(3),

**clog10**(3),

**complex**(7)

# COLOPHON

This page is part of release 3.53 of the Linux*man-pages*project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.

2013-07-23 |