clogf man page on Manjaro

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```CLOG(3)			   Linux Programmer's Manual		       CLOG(3)

NAME
clog, clogf, clogl - natural logarithm of a complex number

SYNOPSIS
#include <complex.h>

double complex clog(double complex z);
float complex clogf(float complex z);
long double complex clogl(long double complex z);

DESCRIPTION
The  logarithm  clog()  is  the	inverse	 function  of  the exponential
cexp(3).	 Thus, if y = clog(z), then z = cexp(y).  The  imaginary  part
of y is chosen in the interval [-pi,pi].

One has:

clog(z) = log(cabs(z)) + I * carg(z)

Note that z close to zero will cause an overflow.

VERSIONS
These functions first appeared in glibc in version 2.1.

CONFORMING TO
C99.

cabs(3), cexp(3), clog10(3), clog2(3), complex(7)

COLOPHON
This  page  is  part of release 3.65 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/.

2008-08-11			       CLOG(3)
```
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