ctan man page

ctan, ctanf, ctanl ā€” complex tangent function


#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.


These functions calculate the complex tangent of z.

The complex tangent function is defined as:

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


These functions first appeared in glibc in version 2.1.


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)


This page is part of release 4.15 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 https://www.kernel.org/doc/man-pages/.

Referenced By

catan(3), ccos(3), complex(7), csin(3), tan(3).

The man pages ctanf(3) and ctanl(3) are aliases of ctan(3).

2017-09-15 Linux Programmer's Manual