ctanh, ctanhf, ctanhl

#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.

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.

C99.

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

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