man:ctanhl
CTANH(3) Linux Programmer's Manual CTANH(3)
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
These functions calculate the complex hyperbolic tangent of z.
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.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
allbox; lbw27 lb lb l l l. Interface Attribute Value T{ ctanh(), ctanhf(), ctanhl() T} Thread safety MT-Safe
CONFORMING TO
C99, POSIX.1-2001, POSIX.1-2008.
SEE ALSO
cabs(3), catanh(3), ccosh(3), csinh(3), complex(7)
COLOPHON
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2017-09-15 CTANH(3)
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