CTANH

Section: Linux Programmer's Manual (3)
Updated: 2008-08-11
Index Return to Main Contents
 

NAME

ctanh, ctanhf, ctanhl - complex hyperbolic tangent  

SYNOPSIS

#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.  

DESCRIPTION

The complex hyperbolic tangent function is defined mathematically as:

    ctanh(z) = csinh(z) / ccosh(z)
 

VERSIONS

These functions first appeared in glibc in version 2.1.  

CONFORMING TO

C99.  

SEE ALSO

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

COLOPHON

This page is part of release 3.22 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/.