ctan (3)

Leading comments

Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)

%%%LICENSE_START(GPL_NOVERSION_ONELINE)
Distributed under GPL
%%%LICENSE_END

(The comments found at the beginning of the groff file "man3/ctan.3".)

NAME

ctan, ctanf, ctanl - complex tangent function

SYNOPSIS

#include <complex.h>

double complex ctan(double complex z);
float complex ctanf(float complex z);
long double complex ctanl(long double complex z);

Link with -lm.

DESCRIPTION

These functions calculate the complex tangent of z.
The complex tangent function is defined as:

    ctan(z) = csin(z) / ccos(z)

VERSIONS

These functions first appeared in glibc in version 2.1.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

Interface	Attribute	Value
ctan(), ctanf(), ctanl()	Thread safety	MT-Safe

CONFORMING TO

C99, POSIX.1-2001, POSIX.1-2008.

SEE ALSO

cabs(3), catan(3), ccos(3), csin(3), complex(7)

COLOPHON

This page is part of release 4.04 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at www.kernel.org/doc/man-pages