ctanh, ctanhf, ctanhl — complex hyperbolic tangent


#include <complex.h>

double complex ctanh(double complex z);
float complex ctanhf(float complex z);
long double complex ctanhl(long double complex z);

Link with -lm.


These functions calculate the complex hyperbolic tangent of z.

The complex hyperbolic tangent function is defined mathematically as:

    ctanh(z) = csinh(z) / ccosh(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
ctanh(), ctanhf(), ctanhl() Thread safety MT-Safe

Conforming to

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

See Also

cabs(3), catanh(3), ccosh(3), csinh(3), complex(7)


This page is part of release 5.04 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 https://www.kernel.org/doc/man-pages/.

Referenced By

catanh(3), ccosh(3), complex(7), csinh(3), tanh(3).

The man pages ctanhf(3) and ctanhl(3) are aliases of ctanh(3).

2017-09-15 Linux Programmer's Manual