ctanh(3p)

ctanh3p

Complex hyperbolic tangent functions

Usage

#include <complex.h>

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

Prolog

This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.

Overview

The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.1‐2017 defers to the ISO C standard.

These functions shall compute the complex hyperbolic tangent of z.

Return value

These functions shall return the complex hyperbolic tangent value.

Errors

No errors are defined.

The following sections are informative.

Examples

None.

Application usage

None.

Rationale

None.

Future directions

None.

From man-pages 6.19-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.