CTANH(3) Linux Programmers Manual CTANH(3)
ctanh, ctanhf, ctanhl - complex hyperbolic tangent
double complex ctanh(double complex z);
float complex ctanhf(float complex z);
long double complex ctanhl(long double complex z);
Link with -lm.
The complex hyperbolic tangent function is defined mathematically as:
ctanh(z) = csinh(z) / ccosh(z)
cabs(3), ccosh(3), csinh(3), complex(7)
This page is part of release 3.05 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/.