ctanh(3) Library Functions Manual ctanh(3) ctanh, ctanhf, ctanhl - (libm -lm) #include double complex ctanh(double complex z); float complex ctanhf(float complex z); long double complex ctanhl(long double complex z); z. : ctanh(z) = csinh(z) / ccosh(z) attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |ctanh(), | | MT-Safe | |ctanhf(), | | | |ctanhl() | | | +------------+------------------------------------+--------------------+ C11, POSIX.1-2008. glibc 2.1. C99 POSIX.1-2001. cabs(3), catanh(3), ccosh(3), csinh(3), complex(7) 3 . . : . 6.18 8 2026 ctanh(3)